diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5d646a..561aded 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 2.1.0
+- Updated dependencies.
+- Migrated code to ES6
+
 ## 2.0.2
 - Updated dependencies.
 - Fixed missing /dist directory.
diff --git a/babel-settings.json b/babel-settings.json
new file mode 100644
index 0000000..2a42698
--- /dev/null
+++ b/babel-settings.json
@@ -0,0 +1,7 @@
+{
+  "babelrc": false,
+  "plugins": [
+    "transform-es2015-modules-commonjs",
+    ["transform-object-rest-spread", { "useBuiltIns": true }]
+  ]
+}
diff --git a/build/browserify.js b/build/browserify.js
new file mode 100644
index 0000000..b5dac3e
--- /dev/null
+++ b/build/browserify.js
@@ -0,0 +1,68 @@
+import gulp from 'gulp';
+import header from 'gulp-header';
+import uglify from 'gulp-uglify';
+import gulpIf from 'gulp-if';
+import browserify from 'browserify';
+import babelify from 'babelify';
+import source from 'vinyl-source-stream2';
+import pkg from '../package.json';
+
+const banner = [
+  '/*',
+  ' * <%= pkg.name %> - <%= pkg.description %>',
+  ' * @version v<%= pkg.version %>',
+  ' * @author <%= pkg.author %>',
+  ' * @link <%= pkg.homepage %>',
+  ' * @license <%= pkg.license %>',
+  ' */',
+  ''].join('\n');
+
+function handleErrors(...args) {
+  console.error(args);
+  this.emit('end'); // Keep gulp from hanging on this task
+}
+
+gulp.task('script', () => {
+
+  const isProduction = (process.env.NODE_ENV === 'production');
+
+  const bundleConfig = {
+    name: 'inkjet',
+    entries: [`./index.js`], // require.resolve('babel-polyfill'),
+    dest: './dist',
+    outputName: `inkjet${isProduction ? '.min' : ''}.js`,
+    isUglify: isProduction,
+  };
+
+  let bundler = browserify({
+    entries: bundleConfig.entries,
+    insertGlobals: false,
+    detectGlobals: true,
+    standalone: bundleConfig.name,
+    debug: false
+  });
+
+  let bundle = () => {
+    return bundler
+      .bundle()
+      .on('error', handleErrors)
+      .pipe(source(bundleConfig.outputName))
+      .pipe(header(banner, { pkg: pkg }))
+      .pipe(gulpIf(bundleConfig.isUglify, uglify()))
+      .pipe(gulp.dest(bundleConfig.dest))
+  };
+
+  bundler
+    .transform(babelify.configure({
+        "presets": [
+          ["es2015"],
+        ],
+        "plugins": [
+          "add-module-exports",
+          "transform-es2015-modules-commonjs",
+        ]
+      }
+    ));
+
+  bundle();
+});
diff --git a/dist/inkjet.js b/dist/inkjet.js
index b5a93f2..9eaf814 100644
--- a/dist/inkjet.js
+++ b/dist/inkjet.js
@@ -1,6 +1,6 @@
 /*
  * inkjet - JPEG-image decoding, encoding & EXIF reading library for browser and node.js
- * @version v2.0.2
+ * @version v2.1.0
  * @author Grigoriy Chudnov <g.chudnov@gmail.com> (https://github.com/gchudnov)
  * @link https://github.com/gchudnov/inkjet
  * @license MIT
@@ -8,27 +8,51 @@
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.inkjet = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 'use strict';
 
-var hasWorker = require('./lib/has-worker').HAS_WORKER;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _hasWorker = require('./lib/has-worker');
+
+var _bufferUtils = require('./lib/buffer-utils');
+
+var bufferUtils = _interopRequireWildcard(_bufferUtils);
+
+var _exif = require('./lib/exif');
+
+var _exif2 = _interopRequireDefault(_exif);
+
+var _decode = require('./lib/decode');
+
+var _decode2 = _interopRequireDefault(_decode);
+
+var _encode = require('./lib/encode');
+
+var _encode2 = _interopRequireDefault(_encode);
+
+var _magic = require('./lib/magic');
+
+var _magic2 = _interopRequireDefault(_magic);
+
+var _info = require('./lib/info');
+
+var _info2 = _interopRequireDefault(_info);
+
+var _exifWorker = require('./lib/exif-worker');
+
+var _exifWorker2 = _interopRequireDefault(_exifWorker);
 
-var bufferUtils = require('./lib/buffer-utils');
+var _decodeWorker = require('./lib/decode-worker');
 
-var exif = require('./lib/exif');
-var decode = require('./lib/decode');
-var encode = require('./lib/encode');
-var magic = require('./lib/magic');
-var info = require('./lib/info');
+var _decodeWorker2 = _interopRequireDefault(_decodeWorker);
 
-var exifWorker = require('./lib/exif-worker');
-var decodeWorker = require('./lib/decode-worker');
-var encodeWorker = require('./lib/encode-worker');
+var _encodeWorker = require('./lib/encode-worker');
 
+var _encodeWorker2 = _interopRequireDefault(_encodeWorker);
 
-module.exports.decode = decodeBuffer;
-module.exports.encode = encodeBuffer;
-module.exports.exif = exifBuffer;
-module.exports.magic = magicBuffer;
-module.exports.info = infoBuffer;
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
 
 /**
  * Decode
@@ -40,7 +64,7 @@ module.exports.info = infoBuffer;
  * @callback { width: number, height: number, data: Uint8Array }
  */
 function decodeBuffer(buf, options, cb) {
-  if(typeof options === 'function') {
+  if (typeof options === 'function') {
     cb = options;
     options = {};
   }
@@ -48,11 +72,12 @@ function decodeBuffer(buf, options, cb) {
   try {
     buf = bufferUtils.toUint8Array(buf);
 
-    if(hasWorker) {
-      var wr = require('webworkify')(decodeWorker);
+    if (_hasWorker.hasWorker) {
+      var wr = require('webworkify')(_decodeWorker2.default);
+
+      wr.onmessage = function (_ref) {
+        var msg = _ref.data;
 
-      wr.onmessage = function(ev) {
-        var msg = ev.data;
         var err = msg.err ? new Error(msg.err) : undefined;
         cb(err, msg.result);
       };
@@ -63,14 +88,14 @@ function decodeBuffer(buf, options, cb) {
       };
 
       if (options.transferable) {
-        wr.postMessage(msg, [ buf ]);
+        wr.postMessage(msg, [buf]);
       } else {
         wr.postMessage(msg);
       }
     } else {
-      decode(buf, options, cb);
+      (0, _decode2.default)(buf, options, cb);
     }
-  } catch(err) {
+  } catch (err) {
     cb(err);
   }
 }
@@ -85,7 +110,7 @@ function decodeBuffer(buf, options, cb) {
  * @callback { width: number, height: number, data: Uint8Array }
  */
 function encodeBuffer(buf, options, cb) {
-  if(typeof options === 'function') {
+  if (typeof options === 'function') {
     cb = options;
     options = {};
   }
@@ -93,15 +118,16 @@ function encodeBuffer(buf, options, cb) {
   try {
     buf = bufferUtils.toArrayLike(buf);
 
-    if(!options.hasOwnProperty('width') || !options.hasOwnProperty('height')) {
+    if (!options.hasOwnProperty('width') || !options.hasOwnProperty('height')) {
       return cb(new Error('Provide width & height of the buffer'));
     }
 
-    if(hasWorker) {
-      var wr = require('webworkify')(encodeWorker);
+    if (_hasWorker.hasWorker) {
+      var wr = require('webworkify')(_encodeWorker2.default);
+
+      wr.onmessage = function (_ref2) {
+        var msg = _ref2.data;
 
-      wr.onmessage = function(ev) {
-        var msg = ev.data;
         var err = msg.err ? new Error(msg.err) : undefined;
         cb(err, msg.result);
       };
@@ -112,14 +138,14 @@ function encodeBuffer(buf, options, cb) {
       };
 
       if (options.transferable) {
-        wr.postMessage(msg, [ buf ]);
+        wr.postMessage(msg, [buf]);
       } else {
         wr.postMessage(msg);
       }
     } else {
-      encode(buf, options, cb);
+      (0, _encode2.default)(buf, options, cb);
     }
-  } catch(err) {
+  } catch (err) {
     cb(err);
   }
 }
@@ -134,7 +160,7 @@ function encodeBuffer(buf, options, cb) {
  * @callback Object { name: value, ... }
  */
 function exifBuffer(buf, options, cb) {
-  if(typeof options === 'function') {
+  if (typeof options === 'function') {
     cb = options;
     options = {};
   }
@@ -142,11 +168,12 @@ function exifBuffer(buf, options, cb) {
   try {
     buf = bufferUtils.toArrayBuffer(buf);
 
-    if(hasWorker) {
-      var wr = require('webworkify')(exifWorker);
+    if (_hasWorker.hasWorker) {
+      var wr = require('webworkify')(_exifWorker2.default);
+
+      wr.onmessage = function (_ref3) {
+        var msg = _ref3.data;
 
-      wr.onmessage = function(ev) {
-        var msg = ev.data;
         var err = msg.err ? new Error(msg.err) : undefined;
         cb(err, msg.result);
       };
@@ -156,14 +183,14 @@ function exifBuffer(buf, options, cb) {
       };
 
       if (options.transferable) {
-        wr.postMessage(msg, [ buf ]);
+        wr.postMessage(msg, [buf]);
       } else {
         wr.postMessage(msg);
       }
     } else {
-      exif(buf, options, cb);
+      (0, _exif2.default)(buf, options, cb);
     }
-  } catch(err) {
+  } catch (err) {
     cb(err);
   }
 }
@@ -176,8 +203,8 @@ function exifBuffer(buf, options, cb) {
 function magicBuffer(buf, cb) {
   try {
     buf = bufferUtils.toBuffer(buf);
-    magic.lookup(buf, cb);
-  } catch(err) {
+    (0, _magic2.default)(buf, cb);
+  } catch (err) {
     cb(err);
   }
 }
@@ -190,13 +217,24 @@ function magicBuffer(buf, cb) {
 function infoBuffer(buf, cb) {
   try {
     buf = bufferUtils.toBuffer(buf);
-    info.collect(buf, cb);
-  } catch(err) {
+    (0, _info2.default)(buf, cb);
+  } catch (err) {
     cb(err);
   }
 }
 
-},{"./lib/buffer-utils":5,"./lib/decode":7,"./lib/decode-worker":6,"./lib/encode":9,"./lib/encode-worker":8,"./lib/exif":11,"./lib/exif-worker":10,"./lib/has-worker":12,"./lib/info":13,"./lib/magic":15,"webworkify":60}],2:[function(require,module,exports){
+exports.default = {
+  decode: decodeBuffer,
+  encode: encodeBuffer,
+  exif: exifBuffer,
+  magic: magicBuffer,
+  info: infoBuffer
+};
+module.exports = exports['default'];
+
+},{"./lib/buffer-utils":5,"./lib/decode":7,"./lib/decode-worker":6,"./lib/encode":9,"./lib/encode-worker":8,"./lib/exif":11,"./lib/exif-worker":10,"./lib/has-worker":12,"./lib/info":13,"./lib/magic":15,"webworkify":54}],2:[function(require,module,exports){
+'use strict';
+
 // Generated by CoffeeScript 1.6.2
 /*
 # ExifReader 1.1.1
@@ -206,9 +244,8 @@ function infoBuffer(buf, cb) {
 # See license text at http://www.gnu.org/licenses/lgpl.txt
 */
 
-
-(function() {
-  (typeof exports !== "undefined" && exports !== null ? exports : this).ExifReader = (function() {
+(function () {
+  (typeof exports !== "undefined" && exports !== null ? exports : this).ExifReader = function () {
     ExifReader.prototype._MIN_DATA_BUFFER_LENGTH = 2;
 
     ExifReader.prototype._JPEG_ID_SIZE = 2;
@@ -237,28 +274,28 @@ function infoBuffer(buf, cb) {
       var _this = this;
 
       this._getTagValueAt = {
-        1: function(offset) {
+        1: function _(offset) {
           return _this._getByteAt(offset);
         },
-        2: function(offset) {
+        2: function _(offset) {
           return _this._getAsciiAt(offset);
         },
-        3: function(offset) {
+        3: function _(offset) {
           return _this._getShortAt(offset);
         },
-        4: function(offset) {
+        4: function _(offset) {
           return _this._getLongAt(offset);
         },
-        5: function(offset) {
+        5: function _(offset) {
           return _this._getRationalAt(offset);
         },
-        7: function(offset) {
+        7: function _(offset) {
           return _this._getUndefinedAt(offset);
         },
-        9: function(offset) {
+        9: function _(offset) {
           return _this._getSlongAt(offset);
         },
-        10: function(offset) {
+        10: function _(offset) {
           return _this._getSrationalAt(offset);
         }
       };
@@ -271,8 +308,7 @@ function infoBuffer(buf, cb) {
     # data ArrayBuffer Image file data
     */
 
-
-    ExifReader.prototype.load = function(data) {
+    ExifReader.prototype.load = function (data) {
       return this.loadView(new DataView(data));
     };
 
@@ -283,8 +319,7 @@ function infoBuffer(buf, cb) {
     # @_dataView DataView Image file data view
     */
 
-
-    ExifReader.prototype.loadView = function(_dataView) {
+    ExifReader.prototype.loadView = function (_dataView) {
       this._dataView = _dataView;
       this._tags = {};
       this._checkImageHeader();
@@ -292,7 +327,7 @@ function infoBuffer(buf, cb) {
       return this._dataView = null;
     };
 
-    ExifReader.prototype._checkImageHeader = function() {
+    ExifReader.prototype._checkImageHeader = function () {
       if (this._dataView.byteLength < this._MIN_DATA_BUFFER_LENGTH || this._dataView.getUint16(0, false) !== this._JPEG_ID) {
         throw new Error('Invalid image format');
       }
@@ -302,7 +337,7 @@ function infoBuffer(buf, cb) {
       }
     };
 
-    ExifReader.prototype._parseAppMarkers = function(dataView) {
+    ExifReader.prototype._parseAppMarkers = function (dataView) {
       var appMarkerPosition, fieldLength, _results;
 
       appMarkerPosition = this._JPEG_ID_SIZE;
@@ -324,22 +359,22 @@ function infoBuffer(buf, cb) {
       return _results;
     };
 
-    ExifReader.prototype._isApp1ExifMarker = function(dataView, appMarkerPosition) {
+    ExifReader.prototype._isApp1ExifMarker = function (dataView, appMarkerPosition) {
       return dataView.getUint16(appMarkerPosition, false) === this._APP1_MARKER && dataView.getUint32(appMarkerPosition + this._APP_ID_OFFSET, false) === this._BYTES_Exif && dataView.getUint8(appMarkerPosition + this._APP_ID_OFFSET + 4, false) === 0x00;
     };
 
-    ExifReader.prototype._isAppMarker = function(dataView, appMarkerPosition) {
+    ExifReader.prototype._isAppMarker = function (dataView, appMarkerPosition) {
       var appMarker;
 
       appMarker = dataView.getUint16(appMarkerPosition, false);
       return appMarker >= this._APP0_MARKER && appMarker <= this._APP15_MARKER;
     };
 
-    ExifReader.prototype._hasExifData = function() {
+    ExifReader.prototype._hasExifData = function () {
       return this._tiffHeaderOffset !== 0;
     };
 
-    ExifReader.prototype._readTags = function() {
+    ExifReader.prototype._readTags = function () {
       this._setByteOrder();
       this._read0thIfd();
       this._readExifIfd();
@@ -347,7 +382,7 @@ function infoBuffer(buf, cb) {
       return this._readInteroperabilityIfd();
     };
 
-    ExifReader.prototype._setByteOrder = function() {
+    ExifReader.prototype._setByteOrder = function () {
       if (this._dataView.getUint16(this._tiffHeaderOffset) === this._BYTE_ORDER_BIG_ENDIAN) {
         return this._littleEndian = true;
       } else if (this._dataView.getUint16(this._tiffHeaderOffset) === this._BYTE_ORDER_LITTLE_ENDIAN) {
@@ -357,18 +392,18 @@ function infoBuffer(buf, cb) {
       }
     };
 
-    ExifReader.prototype._read0thIfd = function() {
+    ExifReader.prototype._read0thIfd = function () {
       var ifdOffset;
 
       ifdOffset = this._getIfdOffset();
       return this._readIfd('0th', ifdOffset);
     };
 
-    ExifReader.prototype._getIfdOffset = function() {
+    ExifReader.prototype._getIfdOffset = function () {
       return this._tiffHeaderOffset + this._getLongAt(this._tiffHeaderOffset + 4);
     };
 
-    ExifReader.prototype._readExifIfd = function() {
+    ExifReader.prototype._readExifIfd = function () {
       var ifdOffset;
 
       if (this._tags['Exif IFD Pointer'] != null) {
@@ -377,7 +412,7 @@ function infoBuffer(buf, cb) {
       }
     };
 
-    ExifReader.prototype._readGpsIfd = function() {
+    ExifReader.prototype._readGpsIfd = function () {
       var ifdOffset;
 
       if (this._tags['GPS Info IFD Pointer'] != null) {
@@ -386,7 +421,7 @@ function infoBuffer(buf, cb) {
       }
     };
 
-    ExifReader.prototype._readInteroperabilityIfd = function() {
+    ExifReader.prototype._readInteroperabilityIfd = function () {
       var ifdOffset;
 
       if (this._tags['Interoperability IFD Pointer'] != null) {
@@ -395,7 +430,7 @@ function infoBuffer(buf, cb) {
       }
     };
 
-    ExifReader.prototype._readIfd = function(ifdType, offset) {
+    ExifReader.prototype._readIfd = function (ifdType, offset) {
       var fieldIndex, numberOfFields, tag, _i, _results;
 
       numberOfFields = this._getShortAt(offset);
@@ -414,7 +449,7 @@ function infoBuffer(buf, cb) {
       return _results;
     };
 
-    ExifReader.prototype._readTag = function(ifdType, offset) {
+    ExifReader.prototype._readTag = function (ifdType, offset) {
       var tagCode, tagCount, tagDescription, tagName, tagType, tagValue, tagValueOffset;
 
       tagCode = this._getShortAt(offset);
@@ -433,7 +468,7 @@ function infoBuffer(buf, cb) {
         tagValue = this._splitNullSeparatedAsciiString(tagValue);
       }
       if (this._tagNames[ifdType][tagCode] != null) {
-        if ((this._tagNames[ifdType][tagCode]['name'] != null) && (this._tagNames[ifdType][tagCode]['description'] != null)) {
+        if (this._tagNames[ifdType][tagCode]['name'] != null && this._tagNames[ifdType][tagCode]['description'] != null) {
           tagName = this._tagNames[ifdType][tagCode]['name'];
           tagDescription = this._tagNames[ifdType][tagCode]['description'](tagValue);
         } else {
@@ -458,10 +493,10 @@ function infoBuffer(buf, cb) {
       }
     };
 
-    ExifReader.prototype._getTagValue = function(offset, type, count) {
+    ExifReader.prototype._getTagValue = function (offset, type, count) {
       var tagValue, value, valueIndex;
 
-      value = (function() {
+      value = function () {
         var _i, _results;
 
         _results = [];
@@ -471,7 +506,7 @@ function infoBuffer(buf, cb) {
           _results.push(tagValue);
         }
         return _results;
-      }).call(this);
+      }.call(this);
       if (value.length === 1) {
         value = value[0];
       } else if (type === this._tagTypes['ASCII']) {
@@ -480,10 +515,10 @@ function infoBuffer(buf, cb) {
       return value;
     };
 
-    ExifReader.prototype._getAsciiValue = function(charArray) {
+    ExifReader.prototype._getAsciiValue = function (charArray) {
       var charCode, newCharArray;
 
-      return newCharArray = (function() {
+      return newCharArray = function () {
         var _i, _len, _results;
 
         _results = [];
@@ -492,42 +527,42 @@ function infoBuffer(buf, cb) {
           _results.push(String.fromCharCode(charCode));
         }
         return _results;
-      })();
+      }();
     };
 
-    ExifReader.prototype._getByteAt = function(offset) {
+    ExifReader.prototype._getByteAt = function (offset) {
       return this._dataView.getUint8(offset);
     };
 
-    ExifReader.prototype._getAsciiAt = function(offset) {
+    ExifReader.prototype._getAsciiAt = function (offset) {
       return this._dataView.getUint8(offset);
     };
 
-    ExifReader.prototype._getShortAt = function(offset) {
+    ExifReader.prototype._getShortAt = function (offset) {
       return this._dataView.getUint16(offset, this._littleEndian);
     };
 
-    ExifReader.prototype._getLongAt = function(offset) {
+    ExifReader.prototype._getLongAt = function (offset) {
       return this._dataView.getUint32(offset, this._littleEndian);
     };
 
-    ExifReader.prototype._getRationalAt = function(offset) {
+    ExifReader.prototype._getRationalAt = function (offset) {
       return this._getLongAt(offset) / this._getLongAt(offset + 4);
     };
 
-    ExifReader.prototype._getUndefinedAt = function(offset) {
+    ExifReader.prototype._getUndefinedAt = function (offset) {
       return this._getByteAt(offset);
     };
 
-    ExifReader.prototype._getSlongAt = function(offset) {
+    ExifReader.prototype._getSlongAt = function (offset) {
       return this._dataView.getInt32(offset, this._littleEndian);
     };
 
-    ExifReader.prototype._getSrationalAt = function(offset) {
+    ExifReader.prototype._getSrationalAt = function (offset) {
       return this._getSlongAt(offset) / this._getSlongAt(offset + 4);
     };
 
-    ExifReader.prototype._splitNullSeparatedAsciiString = function(string) {
+    ExifReader.prototype._splitNullSeparatedAsciiString = function (string) {
       var character, i, tagValue, _i, _len;
 
       tagValue = [];
@@ -581,7 +616,7 @@ function infoBuffer(buf, cb) {
         0x0111: 'StripOffsets',
         0x0112: {
           'name': 'Orientation',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 1:
                 return 'top-left';
@@ -612,7 +647,7 @@ function infoBuffer(buf, cb) {
         0x011c: 'PlanarConfiguration',
         0x0128: {
           'name': 'ResolutionUnit',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 2:
                 return 'inches';
@@ -635,7 +670,7 @@ function infoBuffer(buf, cb) {
         0x0212: 'YCbCrSubSampling',
         0x0213: {
           'name': 'YCbCrPositioning',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 1:
                 return 'centered';
@@ -649,7 +684,7 @@ function infoBuffer(buf, cb) {
         0x0214: 'ReferenceBlackWhite',
         0x8298: {
           'name': 'Copyright',
-          'description': function(value) {
+          'description': function description(value) {
             return value.join('; ');
           }
         },
@@ -661,7 +696,7 @@ function infoBuffer(buf, cb) {
         0x829d: 'FNumber',
         0x8822: {
           'name': 'ExposureProgram',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Undefined';
@@ -690,13 +725,13 @@ function infoBuffer(buf, cb) {
         0x8827: 'ISOSpeedRatings',
         0x8828: {
           'name': 'OECF',
-          'description': function(value) {
+          'description': function description(value) {
             return '[Raw OECF table data]';
           }
         },
         0x9000: {
           'name': 'ExifVersion',
-          'description': function(value) {
+          'description': function description(value) {
             var charCode, string, _i, _len;
 
             string = '';
@@ -711,7 +746,7 @@ function infoBuffer(buf, cb) {
         0x9004: 'DateTimeDigitized',
         0x9101: {
           'name': 'ComponentsConfiguration',
-          'description': function(value) {
+          'description': function description(value) {
             var character, string, _i, _len;
 
             string = '';
@@ -749,7 +784,7 @@ function infoBuffer(buf, cb) {
         0x9206: 'SubjectDistance',
         0x9207: {
           'name': 'MeteringMode',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 1:
                 return 'Average';
@@ -772,7 +807,7 @@ function infoBuffer(buf, cb) {
         },
         0x9208: {
           'name': 'LightSource',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 1:
                 return 'Daylight';
@@ -821,7 +856,7 @@ function infoBuffer(buf, cb) {
         },
         0x9209: {
           'name': 'Flash',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0x00:
                 return 'Flash did not fire';
@@ -875,7 +910,7 @@ function infoBuffer(buf, cb) {
         0x920a: 'FocalLength',
         0x9214: {
           'name': 'SubjectArea',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.length) {
               case 2:
                 return "Location; X: " + value[0] + ", Y: " + value[1];
@@ -890,18 +925,18 @@ function infoBuffer(buf, cb) {
         },
         0x927c: {
           'name': 'MakerNote',
-          'description': function(value) {
+          'description': function description(value) {
             return '[Raw maker note data]';
           }
         },
         0x9286: {
           'name': 'UserComment',
-          'description': function(value) {
-            switch (value.slice(0, 8).map(function(charCode) {
-                  return String.fromCharCode(charCode);
-                }).join('')) {
+          'description': function description(value) {
+            switch (value.slice(0, 8).map(function (charCode) {
+              return String.fromCharCode(charCode);
+            }).join('')) {
               case 'ASCII\x00\x00\x00':
-                return value.slice(8, value.length).map(function(charCode) {
+                return value.slice(8, value.length).map(function (charCode) {
                   return String.fromCharCode(charCode);
                 }).join('');
               case 'JIS\x00\x00\x00\x00\x00':
@@ -918,7 +953,7 @@ function infoBuffer(buf, cb) {
         0x9292: 'SubSecTimeDigitized',
         0xa000: {
           'name': 'FlashpixVersion',
-          'description': function(value) {
+          'description': function description(value) {
             var charCode, string, _i, _len;
 
             string = '';
@@ -931,7 +966,7 @@ function infoBuffer(buf, cb) {
         },
         0xa001: {
           'name': 'ColorSpace',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 1:
                 return 'sRGB';
@@ -949,7 +984,7 @@ function infoBuffer(buf, cb) {
         0xa20b: 'FlashEnergy',
         0xa20c: {
           'name': 'SpatialFrequencyResponse',
-          'description': function(value) {
+          'description': function description(value) {
             return '[Raw SFR table data]';
           }
         },
@@ -957,7 +992,7 @@ function infoBuffer(buf, cb) {
         0xa20f: 'FocalPlaneYResolution',
         0xa210: {
           'name': 'FocalPlaneResolutionUnit',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 2:
                 return 'inches';
@@ -970,14 +1005,14 @@ function infoBuffer(buf, cb) {
         },
         0xa214: {
           'name': 'SubjectLocation',
-          'description': function(value) {
+          'description': function description(value) {
             return "X: " + value[0] + ", Y: " + value[1];
           }
         },
         0xa215: 'ExposureIndex',
         0xa217: {
           'name': 'SensingMethod',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 1:
                 return 'Undefined';
@@ -1000,7 +1035,7 @@ function infoBuffer(buf, cb) {
         },
         0xa300: {
           'name': 'FileSource',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 3:
                 return 'DSC';
@@ -1011,7 +1046,7 @@ function infoBuffer(buf, cb) {
         },
         0xa301: {
           'name': 'SceneType',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 1:
                 return 'A directly photographed image';
@@ -1022,13 +1057,13 @@ function infoBuffer(buf, cb) {
         },
         0xa302: {
           'name': 'CFAPattern',
-          'description': function(value) {
+          'description': function description(value) {
             return '[Raw CFA pattern table data]';
           }
         },
         0xa401: {
           'name': 'CustomRendered',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Normal process';
@@ -1041,7 +1076,7 @@ function infoBuffer(buf, cb) {
         },
         0xa402: {
           'name': 'ExposureMode',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Auto exposure';
@@ -1056,7 +1091,7 @@ function infoBuffer(buf, cb) {
         },
         0xa403: {
           'name': 'WhiteBalance',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Auto white balance';
@@ -1069,7 +1104,7 @@ function infoBuffer(buf, cb) {
         },
         0xa404: {
           'name': 'DigitalZoomRatio',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Digital zoom was not used';
@@ -1080,7 +1115,7 @@ function infoBuffer(buf, cb) {
         },
         0xa405: {
           'name': 'FocalLengthIn35mmFilm',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Unknown';
@@ -1091,7 +1126,7 @@ function infoBuffer(buf, cb) {
         },
         0xa406: {
           'name': 'SceneCaptureType',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Standard';
@@ -1108,7 +1143,7 @@ function infoBuffer(buf, cb) {
         },
         0xa407: {
           'name': 'GainControl',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'None';
@@ -1127,7 +1162,7 @@ function infoBuffer(buf, cb) {
         },
         0xa408: {
           'name': 'Contrast',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Normal';
@@ -1142,7 +1177,7 @@ function infoBuffer(buf, cb) {
         },
         0xa409: {
           'name': 'Saturation',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Normal';
@@ -1157,7 +1192,7 @@ function infoBuffer(buf, cb) {
         },
         0xa40a: {
           'name': 'Sharpness',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Normal';
@@ -1172,13 +1207,13 @@ function infoBuffer(buf, cb) {
         },
         0xa40b: {
           'name': 'DeviceSettingDescription',
-          'description': function(value) {
+          'description': function description(value) {
             return '[Raw device settings table data]';
           }
         },
         0xa40c: {
           'name': 'SubjectDistanceRange',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 1:
                 return 'Macro';
@@ -1196,10 +1231,10 @@ function infoBuffer(buf, cb) {
       'gps': {
         0x0000: {
           'name': 'GPSVersionID',
-          'description': function(value) {
+          'description': function description(value) {
             var _ref, _ref1;
 
-            if ((value[0] === (_ref = value[1]) && _ref === 2) && (value[2] === (_ref1 = value[3]) && _ref1 === 0)) {
+            if (value[0] === (_ref = value[1]) && _ref === 2 && value[2] === (_ref1 = value[3]) && _ref1 === 0) {
               return 'Version 2.2';
             } else {
               return 'Unknown';
@@ -1208,7 +1243,7 @@ function infoBuffer(buf, cb) {
         },
         0x0001: {
           'name': 'GPSLatitudeRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'N':
                 return 'North latitude';
@@ -1221,13 +1256,13 @@ function infoBuffer(buf, cb) {
         },
         0x0002: {
           'name': 'GPSLatitude',
-          'description': function(value) {
+          'description': function description(value) {
             return value[0] + value[1] / 60 + value[2] / 3600;
           }
         },
         0x0003: {
           'name': 'GPSLongitudeRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'E':
                 return 'East longitude';
@@ -1240,13 +1275,13 @@ function infoBuffer(buf, cb) {
         },
         0x0004: {
           'name': 'GPSLongitude',
-          'description': function(value) {
+          'description': function description(value) {
             return value[0] + value[1] / 60 + value[2] / 3600;
           }
         },
         0x0005: {
           'name': 'GPSAltitudeRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Sea level';
@@ -1259,19 +1294,19 @@ function infoBuffer(buf, cb) {
         },
         0x0006: {
           'name': 'GPSAltitude',
-          'description': function(value) {
+          'description': function description(value) {
             return value + ' m';
           }
         },
         0x0007: {
           'name': 'GPSTimeStamp',
-          'description': function(value) {
+          'description': function description(value) {
             var padZero;
 
-            padZero = function(num) {
+            padZero = function padZero(num) {
               var i;
 
-              return ((function() {
+              return function () {
                 var _i, _ref, _results;
 
                 _results = [];
@@ -1279,7 +1314,7 @@ function infoBuffer(buf, cb) {
                   _results.push('0');
                 }
                 return _results;
-              })()) + num;
+              }() + num;
             };
             return value.map(padZero).join(':');
           }
@@ -1287,7 +1322,7 @@ function infoBuffer(buf, cb) {
         0x0008: 'GPSSatellites',
         0x0009: {
           'name': 'GPSStatus',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'A':
                 return 'Measurement in progress';
@@ -1300,7 +1335,7 @@ function infoBuffer(buf, cb) {
         },
         0x000a: {
           'name': 'GPSMeasureMode',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case '2':
                 return '2-dimensional measurement';
@@ -1314,7 +1349,7 @@ function infoBuffer(buf, cb) {
         0x000b: 'GPSDOP',
         0x000c: {
           'name': 'GPSSpeedRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'K':
                 return 'Kilometers per hour';
@@ -1330,7 +1365,7 @@ function infoBuffer(buf, cb) {
         0x000d: 'GPSSpeed',
         0x000e: {
           'name': 'GPSTrackRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'T':
                 return 'True direction';
@@ -1344,7 +1379,7 @@ function infoBuffer(buf, cb) {
         0x000f: 'GPSTrack',
         0x0010: {
           'name': 'GPSImgDirectionRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'T':
                 return 'True direction';
@@ -1359,7 +1394,7 @@ function infoBuffer(buf, cb) {
         0x0012: 'GPSMapDatum',
         0x0013: {
           'name': 'GPSDestLatitudeRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'N':
                 return 'North latitude';
@@ -1372,13 +1407,13 @@ function infoBuffer(buf, cb) {
         },
         0x0014: {
           'name': 'GPSDestLatitude',
-          'description': function(value) {
+          'description': function description(value) {
             return value[0] + value[1] / 60 + value[2] / 3600;
           }
         },
         0x0015: {
           'name': 'GPSDestLongitudeRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'E':
                 return 'East longitude';
@@ -1391,13 +1426,13 @@ function infoBuffer(buf, cb) {
         },
         0x0016: {
           'name': 'GPSDestLongitude',
-          'description': function(value) {
+          'description': function description(value) {
             return value[0] + value[1] / 60 + value[2] / 3600;
           }
         },
         0x0017: {
           'name': 'GPSDestBearingRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'T':
                 return 'True direction';
@@ -1411,7 +1446,7 @@ function infoBuffer(buf, cb) {
         0x0018: 'GPSDestBearing',
         0x0019: {
           'name': 'GPSDestDistanceRef',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value.join('')) {
               case 'K':
                 return 'Kilometers';
@@ -1427,15 +1462,15 @@ function infoBuffer(buf, cb) {
         0x001a: 'GPSDestDistance',
         0x001b: {
           'name': 'GPSProcessingMethod',
-          'description': function(value) {
+          'description': function description(value) {
             if (value === 0) {
               return 'Undefined';
             } else {
-              switch (value.slice(0, 8).map(function(charCode) {
-                    return String.fromCharCode(charCode);
-                  }).join('')) {
+              switch (value.slice(0, 8).map(function (charCode) {
+                return String.fromCharCode(charCode);
+              }).join('')) {
                 case 'ASCII\x00\x00\x00':
-                  return value.slice(8, value.length).map(function(charCode) {
+                  return value.slice(8, value.length).map(function (charCode) {
                     return String.fromCharCode(charCode);
                   }).join('');
                 case 'JIS\x00\x00\x00\x00\x00':
@@ -1450,15 +1485,15 @@ function infoBuffer(buf, cb) {
         },
         0x001c: {
           'name': 'GPSAreaInformation',
-          'description': function(value) {
+          'description': function description(value) {
             if (value === 0) {
               return 'Undefined';
             } else {
-              switch (value.slice(0, 8).map(function(charCode) {
-                    return String.fromCharCode(charCode);
-                  }).join('')) {
+              switch (value.slice(0, 8).map(function (charCode) {
+                return String.fromCharCode(charCode);
+              }).join('')) {
                 case 'ASCII\x00\x00\x00':
-                  return value.slice(8, value.length).map(function(charCode) {
+                  return value.slice(8, value.length).map(function (charCode) {
                     return String.fromCharCode(charCode);
                   }).join('');
                 case 'JIS\x00\x00\x00\x00\x00':
@@ -1474,7 +1509,7 @@ function infoBuffer(buf, cb) {
         0x001d: 'GPSDateStamp',
         0x001e: {
           'name': 'GPSDifferential',
-          'description': function(value) {
+          'description': function description(value) {
             switch (value) {
               case 0:
                 return 'Measurement without differential correction';
@@ -1503,8 +1538,7 @@ function infoBuffer(buf, cb) {
     # otherwise throws "Undefined".
     */
 
-
-    ExifReader.prototype.getTagValue = function(name) {
+    ExifReader.prototype.getTagValue = function (name) {
       if (this._tags[name] != null) {
         return this._tags[name].value;
       } else {
@@ -1521,8 +1555,7 @@ function infoBuffer(buf, cb) {
     # otherwise throws "Undefined".
     */
 
-
-    ExifReader.prototype.getTagDescription = function(name) {
+    ExifReader.prototype.getTagDescription = function (name) {
       if (this._tags[name] != null) {
         return this._tags[name].description;
       } else {
@@ -1536,8 +1569,7 @@ function infoBuffer(buf, cb) {
     # Returns the image's tags as an associative array: name -> description.
     */
 
-
-    ExifReader.prototype.getAllTags = function() {
+    ExifReader.prototype.getAllTags = function () {
       return this._tags;
     };
 
@@ -1550,18 +1582,17 @@ function infoBuffer(buf, cb) {
     # E.g., the MakerNote tag can be really large.
     */
 
-
-    ExifReader.prototype.deleteTag = function(name) {
+    ExifReader.prototype.deleteTag = function (name) {
       return delete this._tags[name];
     };
 
     return ExifReader;
-
-  })();
-
-}).call(this);
+  }();
+}).call(undefined);
 
 },{}],3:[function(require,module,exports){
+"use strict";
+
 /*
   Copyright (c) 2008, Adobe Systems Incorporated
   All rights reserved.
@@ -1604,7 +1635,7 @@ Basic GUI blocking jpeg encoder
 //};
 
 function JPEGEncoder(quality) {
-  var self = this;
+	var self = this;
 	var fround = Math.round;
 	var ffloor = Math.floor;
 	var YTable = new Array(64);
@@ -1615,7 +1646,7 @@ function JPEGEncoder(quality) {
 	var UVDC_HT;
 	var YAC_HT;
 	var UVAC_HT;
-	
+
 	var bitcode = new Array(65535);
 	var category = new Array(65535);
 	var outputfDCTQuant = new Array(64);
@@ -1623,698 +1654,604 @@ function JPEGEncoder(quality) {
 	var byteout = [];
 	var bytenew = 0;
 	var bytepos = 7;
-	
+
 	var YDU = new Array(64);
 	var UDU = new Array(64);
 	var VDU = new Array(64);
 	var clt = new Array(256);
 	var RGB_YUV_TABLE = new Array(2048);
 	var currentQuality;
-	
-	var ZigZag = [
-			 0, 1, 5, 6,14,15,27,28,
-			 2, 4, 7,13,16,26,29,42,
-			 3, 8,12,17,25,30,41,43,
-			 9,11,18,24,31,40,44,53,
-			10,19,23,32,39,45,52,54,
-			20,22,33,38,46,51,55,60,
-			21,34,37,47,50,56,59,61,
-			35,36,48,49,57,58,62,63
-		];
-	
-	var std_dc_luminance_nrcodes = [0,0,1,5,1,1,1,1,1,1,0,0,0,0,0,0,0];
-	var std_dc_luminance_values = [0,1,2,3,4,5,6,7,8,9,10,11];
-	var std_ac_luminance_nrcodes = [0,0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,0x7d];
-	var std_ac_luminance_values = [
-			0x01,0x02,0x03,0x00,0x04,0x11,0x05,0x12,
-			0x21,0x31,0x41,0x06,0x13,0x51,0x61,0x07,
-			0x22,0x71,0x14,0x32,0x81,0x91,0xa1,0x08,
-			0x23,0x42,0xb1,0xc1,0x15,0x52,0xd1,0xf0,
-			0x24,0x33,0x62,0x72,0x82,0x09,0x0a,0x16,
-			0x17,0x18,0x19,0x1a,0x25,0x26,0x27,0x28,
-			0x29,0x2a,0x34,0x35,0x36,0x37,0x38,0x39,
-			0x3a,0x43,0x44,0x45,0x46,0x47,0x48,0x49,
-			0x4a,0x53,0x54,0x55,0x56,0x57,0x58,0x59,
-			0x5a,0x63,0x64,0x65,0x66,0x67,0x68,0x69,
-			0x6a,0x73,0x74,0x75,0x76,0x77,0x78,0x79,
-			0x7a,0x83,0x84,0x85,0x86,0x87,0x88,0x89,
-			0x8a,0x92,0x93,0x94,0x95,0x96,0x97,0x98,
-			0x99,0x9a,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7,
-			0xa8,0xa9,0xaa,0xb2,0xb3,0xb4,0xb5,0xb6,
-			0xb7,0xb8,0xb9,0xba,0xc2,0xc3,0xc4,0xc5,
-			0xc6,0xc7,0xc8,0xc9,0xca,0xd2,0xd3,0xd4,
-			0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xe1,0xe2,
-			0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea,
-			0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,
-			0xf9,0xfa
-		];
-	
-	var std_dc_chrominance_nrcodes = [0,0,3,1,1,1,1,1,1,1,1,1,0,0,0,0,0];
-	var std_dc_chrominance_values = [0,1,2,3,4,5,6,7,8,9,10,11];
-	var std_ac_chrominance_nrcodes = [0,0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,0x77];
-	var std_ac_chrominance_values = [
-			0x00,0x01,0x02,0x03,0x11,0x04,0x05,0x21,
-			0x31,0x06,0x12,0x41,0x51,0x07,0x61,0x71,
-			0x13,0x22,0x32,0x81,0x08,0x14,0x42,0x91,
-			0xa1,0xb1,0xc1,0x09,0x23,0x33,0x52,0xf0,
-			0x15,0x62,0x72,0xd1,0x0a,0x16,0x24,0x34,
-			0xe1,0x25,0xf1,0x17,0x18,0x19,0x1a,0x26,
-			0x27,0x28,0x29,0x2a,0x35,0x36,0x37,0x38,
-			0x39,0x3a,0x43,0x44,0x45,0x46,0x47,0x48,
-			0x49,0x4a,0x53,0x54,0x55,0x56,0x57,0x58,
-			0x59,0x5a,0x63,0x64,0x65,0x66,0x67,0x68,
-			0x69,0x6a,0x73,0x74,0x75,0x76,0x77,0x78,
-			0x79,0x7a,0x82,0x83,0x84,0x85,0x86,0x87,
-			0x88,0x89,0x8a,0x92,0x93,0x94,0x95,0x96,
-			0x97,0x98,0x99,0x9a,0xa2,0xa3,0xa4,0xa5,
-			0xa6,0xa7,0xa8,0xa9,0xaa,0xb2,0xb3,0xb4,
-			0xb5,0xb6,0xb7,0xb8,0xb9,0xba,0xc2,0xc3,
-			0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xd2,
-			0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda,
-			0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,
-			0xea,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,
-			0xf9,0xfa
-		];
-	
-	function initQuantTables(sf){
-			var YQT = [
-				16, 11, 10, 16, 24, 40, 51, 61,
-				12, 12, 14, 19, 26, 58, 60, 55,
-				14, 13, 16, 24, 40, 57, 69, 56,
-				14, 17, 22, 29, 51, 87, 80, 62,
-				18, 22, 37, 56, 68,109,103, 77,
-				24, 35, 55, 64, 81,104,113, 92,
-				49, 64, 78, 87,103,121,120,101,
-				72, 92, 95, 98,112,100,103, 99
-			];
-			
-			for (var i = 0; i < 64; i++) {
-				var t = ffloor((YQT[i]*sf+50)/100);
-				if (t < 1) {
-					t = 1;
-				} else if (t > 255) {
-					t = 255;
-				}
-				YTable[ZigZag[i]] = t;
-			}
-			var UVQT = [
-				17, 18, 24, 47, 99, 99, 99, 99,
-				18, 21, 26, 66, 99, 99, 99, 99,
-				24, 26, 56, 99, 99, 99, 99, 99,
-				47, 66, 99, 99, 99, 99, 99, 99,
-				99, 99, 99, 99, 99, 99, 99, 99,
-				99, 99, 99, 99, 99, 99, 99, 99,
-				99, 99, 99, 99, 99, 99, 99, 99,
-				99, 99, 99, 99, 99, 99, 99, 99
-			];
-			for (var j = 0; j < 64; j++) {
-				var u = ffloor((UVQT[j]*sf+50)/100);
-				if (u < 1) {
-					u = 1;
-				} else if (u > 255) {
-					u = 255;
-				}
-				UVTable[ZigZag[j]] = u;
-			}
-			var aasf = [
-				1.0, 1.387039845, 1.306562965, 1.175875602,
-				1.0, 0.785694958, 0.541196100, 0.275899379
-			];
-			var k = 0;
-			for (var row = 0; row < 8; row++)
-			{
-				for (var col = 0; col < 8; col++)
-				{
-					fdtbl_Y[k]  = (1.0 / (YTable [ZigZag[k]] * aasf[row] * aasf[col] * 8.0));
-					fdtbl_UV[k] = (1.0 / (UVTable[ZigZag[k]] * aasf[row] * aasf[col] * 8.0));
-					k++;
-				}
+
+	var ZigZag = [0, 1, 5, 6, 14, 15, 27, 28, 2, 4, 7, 13, 16, 26, 29, 42, 3, 8, 12, 17, 25, 30, 41, 43, 9, 11, 18, 24, 31, 40, 44, 53, 10, 19, 23, 32, 39, 45, 52, 54, 20, 22, 33, 38, 46, 51, 55, 60, 21, 34, 37, 47, 50, 56, 59, 61, 35, 36, 48, 49, 57, 58, 62, 63];
+
+	var std_dc_luminance_nrcodes = [0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0];
+	var std_dc_luminance_values = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];
+	var std_ac_luminance_nrcodes = [0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d];
+	var std_ac_luminance_values = [0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa];
+
+	var std_dc_chrominance_nrcodes = [0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0];
+	var std_dc_chrominance_values = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];
+	var std_ac_chrominance_nrcodes = [0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77];
+	var std_ac_chrominance_values = [0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa];
+
+	function initQuantTables(sf) {
+		var YQT = [16, 11, 10, 16, 24, 40, 51, 61, 12, 12, 14, 19, 26, 58, 60, 55, 14, 13, 16, 24, 40, 57, 69, 56, 14, 17, 22, 29, 51, 87, 80, 62, 18, 22, 37, 56, 68, 109, 103, 77, 24, 35, 55, 64, 81, 104, 113, 92, 49, 64, 78, 87, 103, 121, 120, 101, 72, 92, 95, 98, 112, 100, 103, 99];
+
+		for (var i = 0; i < 64; i++) {
+			var t = ffloor((YQT[i] * sf + 50) / 100);
+			if (t < 1) {
+				t = 1;
+			} else if (t > 255) {
+				t = 255;
 			}
+			YTable[ZigZag[i]] = t;
 		}
-		
-		function computeHuffmanTbl(nrcodes, std_table){
-			var codevalue = 0;
-			var pos_in_table = 0;
-			var HT = new Array();
-			for (var k = 1; k <= 16; k++) {
-				for (var j = 1; j <= nrcodes[k]; j++) {
-					HT[std_table[pos_in_table]] = [];
-					HT[std_table[pos_in_table]][0] = codevalue;
-					HT[std_table[pos_in_table]][1] = k;
-					pos_in_table++;
-					codevalue++;
-				}
-				codevalue*=2;
+		var UVQT = [17, 18, 24, 47, 99, 99, 99, 99, 18, 21, 26, 66, 99, 99, 99, 99, 24, 26, 56, 99, 99, 99, 99, 99, 47, 66, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99];
+		for (var j = 0; j < 64; j++) {
+			var u = ffloor((UVQT[j] * sf + 50) / 100);
+			if (u < 1) {
+				u = 1;
+			} else if (u > 255) {
+				u = 255;
 			}
-			return HT;
+			UVTable[ZigZag[j]] = u;
 		}
-		
-		function initHuffmanTbl()
-		{
-			YDC_HT = computeHuffmanTbl(std_dc_luminance_nrcodes,std_dc_luminance_values);
-			UVDC_HT = computeHuffmanTbl(std_dc_chrominance_nrcodes,std_dc_chrominance_values);
-			YAC_HT = computeHuffmanTbl(std_ac_luminance_nrcodes,std_ac_luminance_values);
-			UVAC_HT = computeHuffmanTbl(std_ac_chrominance_nrcodes,std_ac_chrominance_values);
+		var aasf = [1.0, 1.387039845, 1.306562965, 1.175875602, 1.0, 0.785694958, 0.541196100, 0.275899379];
+		var k = 0;
+		for (var row = 0; row < 8; row++) {
+			for (var col = 0; col < 8; col++) {
+				fdtbl_Y[k] = 1.0 / (YTable[ZigZag[k]] * aasf[row] * aasf[col] * 8.0);
+				fdtbl_UV[k] = 1.0 / (UVTable[ZigZag[k]] * aasf[row] * aasf[col] * 8.0);
+				k++;
+			}
 		}
-	
-		function initCategoryNumber()
-		{
-			var nrlower = 1;
-			var nrupper = 2;
-			for (var cat = 1; cat <= 15; cat++) {
-				//Positive numbers
-				for (var nr = nrlower; nr<nrupper; nr++) {
-					category[32767+nr] = cat;
-					bitcode[32767+nr] = [];
-					bitcode[32767+nr][1] = cat;
-					bitcode[32767+nr][0] = nr;
-				}
-				//Negative numbers
-				for (var nrneg =-(nrupper-1); nrneg<=-nrlower; nrneg++) {
-					category[32767+nrneg] = cat;
-					bitcode[32767+nrneg] = [];
-					bitcode[32767+nrneg][1] = cat;
-					bitcode[32767+nrneg][0] = nrupper-1+nrneg;
-				}
-				nrlower <<= 1;
-				nrupper <<= 1;
+	}
+
+	function computeHuffmanTbl(nrcodes, std_table) {
+		var codevalue = 0;
+		var pos_in_table = 0;
+		var HT = new Array();
+		for (var k = 1; k <= 16; k++) {
+			for (var j = 1; j <= nrcodes[k]; j++) {
+				HT[std_table[pos_in_table]] = [];
+				HT[std_table[pos_in_table]][0] = codevalue;
+				HT[std_table[pos_in_table]][1] = k;
+				pos_in_table++;
+				codevalue++;
 			}
+			codevalue *= 2;
 		}
-		
-		function initRGBYUVTable() {
-			for(var i = 0; i < 256;i++) {
-				RGB_YUV_TABLE[i]      		=  19595 * i;
-				RGB_YUV_TABLE[(i+ 256)>>0] 	=  38470 * i;
-				RGB_YUV_TABLE[(i+ 512)>>0] 	=   7471 * i + 0x8000;
-				RGB_YUV_TABLE[(i+ 768)>>0] 	= -11059 * i;
-				RGB_YUV_TABLE[(i+1024)>>0] 	= -21709 * i;
-				RGB_YUV_TABLE[(i+1280)>>0] 	=  32768 * i + 0x807FFF;
-				RGB_YUV_TABLE[(i+1536)>>0] 	= -27439 * i;
-				RGB_YUV_TABLE[(i+1792)>>0] 	= - 5329 * i;
+		return HT;
+	}
+
+	function initHuffmanTbl() {
+		YDC_HT = computeHuffmanTbl(std_dc_luminance_nrcodes, std_dc_luminance_values);
+		UVDC_HT = computeHuffmanTbl(std_dc_chrominance_nrcodes, std_dc_chrominance_values);
+		YAC_HT = computeHuffmanTbl(std_ac_luminance_nrcodes, std_ac_luminance_values);
+		UVAC_HT = computeHuffmanTbl(std_ac_chrominance_nrcodes, std_ac_chrominance_values);
+	}
+
+	function initCategoryNumber() {
+		var nrlower = 1;
+		var nrupper = 2;
+		for (var cat = 1; cat <= 15; cat++) {
+			//Positive numbers
+			for (var nr = nrlower; nr < nrupper; nr++) {
+				category[32767 + nr] = cat;
+				bitcode[32767 + nr] = [];
+				bitcode[32767 + nr][1] = cat;
+				bitcode[32767 + nr][0] = nr;
+			}
+			//Negative numbers
+			for (var nrneg = -(nrupper - 1); nrneg <= -nrlower; nrneg++) {
+				category[32767 + nrneg] = cat;
+				bitcode[32767 + nrneg] = [];
+				bitcode[32767 + nrneg][1] = cat;
+				bitcode[32767 + nrneg][0] = nrupper - 1 + nrneg;
 			}
+			nrlower <<= 1;
+			nrupper <<= 1;
 		}
-		
-		// IO functions
-		function writeBits(bs)
-		{
-			var value = bs[0];
-			var posval = bs[1]-1;
-			while ( posval >= 0 ) {
-				if (value & (1 << posval) ) {
-					bytenew |= (1 << bytepos);
-				}
-				posval--;
-				bytepos--;
-				if (bytepos < 0) {
-					if (bytenew == 0xFF) {
-						writeByte(0xFF);
-						writeByte(0);
-					}
-					else {
-						writeByte(bytenew);
-					}
-					bytepos=7;
-					bytenew=0;
+	}
+
+	function initRGBYUVTable() {
+		for (var i = 0; i < 256; i++) {
+			RGB_YUV_TABLE[i] = 19595 * i;
+			RGB_YUV_TABLE[i + 256 >> 0] = 38470 * i;
+			RGB_YUV_TABLE[i + 512 >> 0] = 7471 * i + 0x8000;
+			RGB_YUV_TABLE[i + 768 >> 0] = -11059 * i;
+			RGB_YUV_TABLE[i + 1024 >> 0] = -21709 * i;
+			RGB_YUV_TABLE[i + 1280 >> 0] = 32768 * i + 0x807FFF;
+			RGB_YUV_TABLE[i + 1536 >> 0] = -27439 * i;
+			RGB_YUV_TABLE[i + 1792 >> 0] = -5329 * i;
+		}
+	}
+
+	// IO functions
+	function writeBits(bs) {
+		var value = bs[0];
+		var posval = bs[1] - 1;
+		while (posval >= 0) {
+			if (value & 1 << posval) {
+				bytenew |= 1 << bytepos;
+			}
+			posval--;
+			bytepos--;
+			if (bytepos < 0) {
+				if (bytenew == 0xFF) {
+					writeByte(0xFF);
+					writeByte(0);
+				} else {
+					writeByte(bytenew);
 				}
+				bytepos = 7;
+				bytenew = 0;
 			}
 		}
-	
-		function writeByte(value)
-		{
-			//byteout.push(clt[value]); // write char directly instead of converting later
-      byteout.push(value);
+	}
+
+	function writeByte(value) {
+		//byteout.push(clt[value]); // write char directly instead of converting later
+		byteout.push(value);
+	}
+
+	function writeWord(value) {
+		writeByte(value >> 8 & 0xFF);
+		writeByte(value & 0xFF);
+	}
+
+	// DCT & quantization core
+	function fDCTQuant(data, fdtbl) {
+		var d0, d1, d2, d3, d4, d5, d6, d7;
+		/* Pass 1: process rows. */
+		var dataOff = 0;
+		var i;
+		var I8 = 8;
+		var I64 = 64;
+		for (i = 0; i < I8; ++i) {
+			d0 = data[dataOff];
+			d1 = data[dataOff + 1];
+			d2 = data[dataOff + 2];
+			d3 = data[dataOff + 3];
+			d4 = data[dataOff + 4];
+			d5 = data[dataOff + 5];
+			d6 = data[dataOff + 6];
+			d7 = data[dataOff + 7];
+
+			var tmp0 = d0 + d7;
+			var tmp7 = d0 - d7;
+			var tmp1 = d1 + d6;
+			var tmp6 = d1 - d6;
+			var tmp2 = d2 + d5;
+			var tmp5 = d2 - d5;
+			var tmp3 = d3 + d4;
+			var tmp4 = d3 - d4;
+
+			/* Even part */
+			var tmp10 = tmp0 + tmp3; /* phase 2 */
+			var tmp13 = tmp0 - tmp3;
+			var tmp11 = tmp1 + tmp2;
+			var tmp12 = tmp1 - tmp2;
+
+			data[dataOff] = tmp10 + tmp11; /* phase 3 */
+			data[dataOff + 4] = tmp10 - tmp11;
+
+			var z1 = (tmp12 + tmp13) * 0.707106781; /* c4 */
+			data[dataOff + 2] = tmp13 + z1; /* phase 5 */
+			data[dataOff + 6] = tmp13 - z1;
+
+			/* Odd part */
+			tmp10 = tmp4 + tmp5; /* phase 2 */
+			tmp11 = tmp5 + tmp6;
+			tmp12 = tmp6 + tmp7;
+
+			/* The rotator is modified from fig 4-8 to avoid extra negations. */
+			var z5 = (tmp10 - tmp12) * 0.382683433; /* c6 */
+			var z2 = 0.541196100 * tmp10 + z5; /* c2-c6 */
+			var z4 = 1.306562965 * tmp12 + z5; /* c2+c6 */
+			var z3 = tmp11 * 0.707106781; /* c4 */
+
+			var z11 = tmp7 + z3; /* phase 5 */
+			var z13 = tmp7 - z3;
+
+			data[dataOff + 5] = z13 + z2; /* phase 6 */
+			data[dataOff + 3] = z13 - z2;
+			data[dataOff + 1] = z11 + z4;
+			data[dataOff + 7] = z11 - z4;
+
+			dataOff += 8; /* advance pointer to next row */
 		}
-	
-		function writeWord(value)
-		{
-			writeByte((value>>8)&0xFF);
-			writeByte((value   )&0xFF);
+
+		/* Pass 2: process columns. */
+		dataOff = 0;
+		for (i = 0; i < I8; ++i) {
+			d0 = data[dataOff];
+			d1 = data[dataOff + 8];
+			d2 = data[dataOff + 16];
+			d3 = data[dataOff + 24];
+			d4 = data[dataOff + 32];
+			d5 = data[dataOff + 40];
+			d6 = data[dataOff + 48];
+			d7 = data[dataOff + 56];
+
+			var tmp0p2 = d0 + d7;
+			var tmp7p2 = d0 - d7;
+			var tmp1p2 = d1 + d6;
+			var tmp6p2 = d1 - d6;
+			var tmp2p2 = d2 + d5;
+			var tmp5p2 = d2 - d5;
+			var tmp3p2 = d3 + d4;
+			var tmp4p2 = d3 - d4;
+
+			/* Even part */
+			var tmp10p2 = tmp0p2 + tmp3p2; /* phase 2 */
+			var tmp13p2 = tmp0p2 - tmp3p2;
+			var tmp11p2 = tmp1p2 + tmp2p2;
+			var tmp12p2 = tmp1p2 - tmp2p2;
+
+			data[dataOff] = tmp10p2 + tmp11p2; /* phase 3 */
+			data[dataOff + 32] = tmp10p2 - tmp11p2;
+
+			var z1p2 = (tmp12p2 + tmp13p2) * 0.707106781; /* c4 */
+			data[dataOff + 16] = tmp13p2 + z1p2; /* phase 5 */
+			data[dataOff + 48] = tmp13p2 - z1p2;
+
+			/* Odd part */
+			tmp10p2 = tmp4p2 + tmp5p2; /* phase 2 */
+			tmp11p2 = tmp5p2 + tmp6p2;
+			tmp12p2 = tmp6p2 + tmp7p2;
+
+			/* The rotator is modified from fig 4-8 to avoid extra negations. */
+			var z5p2 = (tmp10p2 - tmp12p2) * 0.382683433; /* c6 */
+			var z2p2 = 0.541196100 * tmp10p2 + z5p2; /* c2-c6 */
+			var z4p2 = 1.306562965 * tmp12p2 + z5p2; /* c2+c6 */
+			var z3p2 = tmp11p2 * 0.707106781; /* c4 */
+
+			var z11p2 = tmp7p2 + z3p2; /* phase 5 */
+			var z13p2 = tmp7p2 - z3p2;
+
+			data[dataOff + 40] = z13p2 + z2p2; /* phase 6 */
+			data[dataOff + 24] = z13p2 - z2p2;
+			data[dataOff + 8] = z11p2 + z4p2;
+			data[dataOff + 56] = z11p2 - z4p2;
+
+			dataOff++; /* advance pointer to next column */
 		}
-		
-		// DCT & quantization core
-		function fDCTQuant(data, fdtbl)
-		{
-			var d0, d1, d2, d3, d4, d5, d6, d7;
-			/* Pass 1: process rows. */
-			var dataOff=0;
-			var i;
-			var I8 = 8;
-			var I64 = 64;
-			for (i=0; i<I8; ++i)
-			{
-				d0 = data[dataOff];
-				d1 = data[dataOff+1];
-				d2 = data[dataOff+2];
-				d3 = data[dataOff+3];
-				d4 = data[dataOff+4];
-				d5 = data[dataOff+5];
-				d6 = data[dataOff+6];
-				d7 = data[dataOff+7];
-				
-				var tmp0 = d0 + d7;
-				var tmp7 = d0 - d7;
-				var tmp1 = d1 + d6;
-				var tmp6 = d1 - d6;
-				var tmp2 = d2 + d5;
-				var tmp5 = d2 - d5;
-				var tmp3 = d3 + d4;
-				var tmp4 = d3 - d4;
-	
-				/* Even part */
-				var tmp10 = tmp0 + tmp3;	/* phase 2 */
-				var tmp13 = tmp0 - tmp3;
-				var tmp11 = tmp1 + tmp2;
-				var tmp12 = tmp1 - tmp2;
-	
-				data[dataOff] = tmp10 + tmp11; /* phase 3 */
-				data[dataOff+4] = tmp10 - tmp11;
-	
-				var z1 = (tmp12 + tmp13) * 0.707106781; /* c4 */
-				data[dataOff+2] = tmp13 + z1; /* phase 5 */
-				data[dataOff+6] = tmp13 - z1;
-	
-				/* Odd part */
-				tmp10 = tmp4 + tmp5; /* phase 2 */
-				tmp11 = tmp5 + tmp6;
-				tmp12 = tmp6 + tmp7;
-	
-				/* The rotator is modified from fig 4-8 to avoid extra negations. */
-				var z5 = (tmp10 - tmp12) * 0.382683433; /* c6 */
-				var z2 = 0.541196100 * tmp10 + z5; /* c2-c6 */
-				var z4 = 1.306562965 * tmp12 + z5; /* c2+c6 */
-				var z3 = tmp11 * 0.707106781; /* c4 */
-	
-				var z11 = tmp7 + z3;	/* phase 5 */
-				var z13 = tmp7 - z3;
-	
-				data[dataOff+5] = z13 + z2;	/* phase 6 */
-				data[dataOff+3] = z13 - z2;
-				data[dataOff+1] = z11 + z4;
-				data[dataOff+7] = z11 - z4;
-	
-				dataOff += 8; /* advance pointer to next row */
-			}
-	
-			/* Pass 2: process columns. */
-			dataOff = 0;
-			for (i=0; i<I8; ++i)
-			{
-				d0 = data[dataOff];
-				d1 = data[dataOff + 8];
-				d2 = data[dataOff + 16];
-				d3 = data[dataOff + 24];
-				d4 = data[dataOff + 32];
-				d5 = data[dataOff + 40];
-				d6 = data[dataOff + 48];
-				d7 = data[dataOff + 56];
-				
-				var tmp0p2 = d0 + d7;
-				var tmp7p2 = d0 - d7;
-				var tmp1p2 = d1 + d6;
-				var tmp6p2 = d1 - d6;
-				var tmp2p2 = d2 + d5;
-				var tmp5p2 = d2 - d5;
-				var tmp3p2 = d3 + d4;
-				var tmp4p2 = d3 - d4;
-	
-				/* Even part */
-				var tmp10p2 = tmp0p2 + tmp3p2;	/* phase 2 */
-				var tmp13p2 = tmp0p2 - tmp3p2;
-				var tmp11p2 = tmp1p2 + tmp2p2;
-				var tmp12p2 = tmp1p2 - tmp2p2;
-	
-				data[dataOff] = tmp10p2 + tmp11p2; /* phase 3 */
-				data[dataOff+32] = tmp10p2 - tmp11p2;
-	
-				var z1p2 = (tmp12p2 + tmp13p2) * 0.707106781; /* c4 */
-				data[dataOff+16] = tmp13p2 + z1p2; /* phase 5 */
-				data[dataOff+48] = tmp13p2 - z1p2;
-	
-				/* Odd part */
-				tmp10p2 = tmp4p2 + tmp5p2; /* phase 2 */
-				tmp11p2 = tmp5p2 + tmp6p2;
-				tmp12p2 = tmp6p2 + tmp7p2;
-	
-				/* The rotator is modified from fig 4-8 to avoid extra negations. */
-				var z5p2 = (tmp10p2 - tmp12p2) * 0.382683433; /* c6 */
-				var z2p2 = 0.541196100 * tmp10p2 + z5p2; /* c2-c6 */
-				var z4p2 = 1.306562965 * tmp12p2 + z5p2; /* c2+c6 */
-				var z3p2 = tmp11p2 * 0.707106781; /* c4 */
-	
-				var z11p2 = tmp7p2 + z3p2;	/* phase 5 */
-				var z13p2 = tmp7p2 - z3p2;
-	
-				data[dataOff+40] = z13p2 + z2p2; /* phase 6 */
-				data[dataOff+24] = z13p2 - z2p2;
-				data[dataOff+ 8] = z11p2 + z4p2;
-				data[dataOff+56] = z11p2 - z4p2;
-	
-				dataOff++; /* advance pointer to next column */
-			}
-	
-			// Quantize/descale the coefficients
-			var fDCTQuant;
-			for (i=0; i<I64; ++i)
-			{
-				// Apply the quantization and scaling factor & Round to nearest integer
-				fDCTQuant = data[i]*fdtbl[i];
-				outputfDCTQuant[i] = (fDCTQuant > 0.0) ? ((fDCTQuant + 0.5)|0) : ((fDCTQuant - 0.5)|0);
-				//outputfDCTQuant[i] = fround(fDCTQuant);
 
-			}
-			return outputfDCTQuant;
+		// Quantize/descale the coefficients
+		var fDCTQuant;
+		for (i = 0; i < I64; ++i) {
+			// Apply the quantization and scaling factor & Round to nearest integer
+			fDCTQuant = data[i] * fdtbl[i];
+			outputfDCTQuant[i] = fDCTQuant > 0.0 ? fDCTQuant + 0.5 | 0 : fDCTQuant - 0.5 | 0;
+			//outputfDCTQuant[i] = fround(fDCTQuant);
 		}
-		
-		function writeAPP0()
-		{
-			writeWord(0xFFE0); // marker
-			writeWord(16); // length
-			writeByte(0x4A); // J
-			writeByte(0x46); // F
-			writeByte(0x49); // I
-			writeByte(0x46); // F
-			writeByte(0); // = "JFIF",'\0'
-			writeByte(1); // versionhi
-			writeByte(1); // versionlo
-			writeByte(0); // xyunits
-			writeWord(1); // xdensity
-			writeWord(1); // ydensity
-			writeByte(0); // thumbnwidth
-			writeByte(0); // thumbnheight
+		return outputfDCTQuant;
+	}
+
+	function writeAPP0() {
+		writeWord(0xFFE0); // marker
+		writeWord(16); // length
+		writeByte(0x4A); // J
+		writeByte(0x46); // F
+		writeByte(0x49); // I
+		writeByte(0x46); // F
+		writeByte(0); // = "JFIF",'\0'
+		writeByte(1); // versionhi
+		writeByte(1); // versionlo
+		writeByte(0); // xyunits
+		writeWord(1); // xdensity
+		writeWord(1); // ydensity
+		writeByte(0); // thumbnwidth
+		writeByte(0); // thumbnheight
+	}
+
+	function writeSOF0(width, height) {
+		writeWord(0xFFC0); // marker
+		writeWord(17); // length, truecolor YUV JPG
+		writeByte(8); // precision
+		writeWord(height);
+		writeWord(width);
+		writeByte(3); // nrofcomponents
+		writeByte(1); // IdY
+		writeByte(0x11); // HVY
+		writeByte(0); // QTY
+		writeByte(2); // IdU
+		writeByte(0x11); // HVU
+		writeByte(1); // QTU
+		writeByte(3); // IdV
+		writeByte(0x11); // HVV
+		writeByte(1); // QTV
+	}
+
+	function writeDQT() {
+		writeWord(0xFFDB); // marker
+		writeWord(132); // length
+		writeByte(0);
+		for (var i = 0; i < 64; i++) {
+			writeByte(YTable[i]);
 		}
-	
-		function writeSOF0(width, height)
-		{
-			writeWord(0xFFC0); // marker
-			writeWord(17);   // length, truecolor YUV JPG
-			writeByte(8);    // precision
-			writeWord(height);
-			writeWord(width);
-			writeByte(3);    // nrofcomponents
-			writeByte(1);    // IdY
-			writeByte(0x11); // HVY
-			writeByte(0);    // QTY
-			writeByte(2);    // IdU
-			writeByte(0x11); // HVU
-			writeByte(1);    // QTU
-			writeByte(3);    // IdV
-			writeByte(0x11); // HVV
-			writeByte(1);    // QTV
+		writeByte(1);
+		for (var j = 0; j < 64; j++) {
+			writeByte(UVTable[j]);
 		}
-	
-		function writeDQT()
-		{
-			writeWord(0xFFDB); // marker
-			writeWord(132);	   // length
-			writeByte(0);
-			for (var i=0; i<64; i++) {
-				writeByte(YTable[i]);
-			}
-			writeByte(1);
-			for (var j=0; j<64; j++) {
-				writeByte(UVTable[j]);
-			}
+	}
+
+	function writeDHT() {
+		writeWord(0xFFC4); // marker
+		writeWord(0x01A2); // length
+
+		writeByte(0); // HTYDCinfo
+		for (var i = 0; i < 16; i++) {
+			writeByte(std_dc_luminance_nrcodes[i + 1]);
 		}
-	
-		function writeDHT()
-		{
-			writeWord(0xFFC4); // marker
-			writeWord(0x01A2); // length
-	
-			writeByte(0); // HTYDCinfo
-			for (var i=0; i<16; i++) {
-				writeByte(std_dc_luminance_nrcodes[i+1]);
-			}
-			for (var j=0; j<=11; j++) {
-				writeByte(std_dc_luminance_values[j]);
-			}
-	
-			writeByte(0x10); // HTYACinfo
-			for (var k=0; k<16; k++) {
-				writeByte(std_ac_luminance_nrcodes[k+1]);
-			}
-			for (var l=0; l<=161; l++) {
-				writeByte(std_ac_luminance_values[l]);
-			}
-	
-			writeByte(1); // HTUDCinfo
-			for (var m=0; m<16; m++) {
-				writeByte(std_dc_chrominance_nrcodes[m+1]);
-			}
-			for (var n=0; n<=11; n++) {
-				writeByte(std_dc_chrominance_values[n]);
-			}
-	
-			writeByte(0x11); // HTUACinfo
-			for (var o=0; o<16; o++) {
-				writeByte(std_ac_chrominance_nrcodes[o+1]);
-			}
-			for (var p=0; p<=161; p++) {
-				writeByte(std_ac_chrominance_values[p]);
-			}
+		for (var j = 0; j <= 11; j++) {
+			writeByte(std_dc_luminance_values[j]);
 		}
-	
-		function writeSOS()
-		{
-			writeWord(0xFFDA); // marker
-			writeWord(12); // length
-			writeByte(3); // nrofcomponents
-			writeByte(1); // IdY
-			writeByte(0); // HTY
-			writeByte(2); // IdU
-			writeByte(0x11); // HTU
-			writeByte(3); // IdV
-			writeByte(0x11); // HTV
-			writeByte(0); // Ss
-			writeByte(0x3f); // Se
-			writeByte(0); // Bf
+
+		writeByte(0x10); // HTYACinfo
+		for (var k = 0; k < 16; k++) {
+			writeByte(std_ac_luminance_nrcodes[k + 1]);
 		}
-		
-		function processDU(CDU, fdtbl, DC, HTDC, HTAC){
-			var EOB = HTAC[0x00];
-			var M16zeroes = HTAC[0xF0];
-			var pos;
-			var I16 = 16;
-			var I63 = 63;
-			var I64 = 64;
-			var DU_DCT = fDCTQuant(CDU, fdtbl);
-			//ZigZag reorder
-			for (var j=0;j<I64;++j) {
-				DU[ZigZag[j]]=DU_DCT[j];
-			}
-			var Diff = DU[0] - DC; DC = DU[0];
-			//Encode DC
-			if (Diff==0) {
-				writeBits(HTDC[0]); // Diff might be 0
-			} else {
-				pos = 32767+Diff;
-				writeBits(HTDC[category[pos]]);
-				writeBits(bitcode[pos]);
-			}
-			//Encode ACs
-			var end0pos = 63; // was const... which is crazy
-			for (; (end0pos>0)&&(DU[end0pos]==0); end0pos--) {};
-			//end0pos = first element in reverse order !=0
-			if ( end0pos == 0) {
-				writeBits(EOB);
-				return DC;
-			}
-			var i = 1;
-			var lng;
-			while ( i <= end0pos ) {
-				var startpos = i;
-				for (; (DU[i]==0) && (i<=end0pos); ++i) {}
-				var nrzeroes = i-startpos;
-				if ( nrzeroes >= I16 ) {
-					lng = nrzeroes>>4;
-					for (var nrmarker=1; nrmarker <= lng; ++nrmarker)
-						writeBits(M16zeroes);
-					nrzeroes = nrzeroes&0xF;
-				}
-				pos = 32767+DU[i];
-				writeBits(HTAC[(nrzeroes<<4)+category[pos]]);
-				writeBits(bitcode[pos]);
-				i++;
-			}
-			if ( end0pos != I63 ) {
-				writeBits(EOB);
-			}
-			return DC;
+		for (var l = 0; l <= 161; l++) {
+			writeByte(std_ac_luminance_values[l]);
+		}
+
+		writeByte(1); // HTUDCinfo
+		for (var m = 0; m < 16; m++) {
+			writeByte(std_dc_chrominance_nrcodes[m + 1]);
 		}
+		for (var n = 0; n <= 11; n++) {
+			writeByte(std_dc_chrominance_values[n]);
+		}
+
+		writeByte(0x11); // HTUACinfo
+		for (var o = 0; o < 16; o++) {
+			writeByte(std_ac_chrominance_nrcodes[o + 1]);
+		}
+		for (var p = 0; p <= 161; p++) {
+			writeByte(std_ac_chrominance_values[p]);
+		}
+	}
+
+	function writeSOS() {
+		writeWord(0xFFDA); // marker
+		writeWord(12); // length
+		writeByte(3); // nrofcomponents
+		writeByte(1); // IdY
+		writeByte(0); // HTY
+		writeByte(2); // IdU
+		writeByte(0x11); // HTU
+		writeByte(3); // IdV
+		writeByte(0x11); // HTV
+		writeByte(0); // Ss
+		writeByte(0x3f); // Se
+		writeByte(0); // Bf
+	}
 
-		function initCharLookupTable(){
-			var sfcc = String.fromCharCode;
-			for(var i=0; i < 256; i++){ ///// ACHTUNG // 255
-				clt[i] = sfcc(i);
+	function processDU(CDU, fdtbl, DC, HTDC, HTAC) {
+		var EOB = HTAC[0x00];
+		var M16zeroes = HTAC[0xF0];
+		var pos;
+		var I16 = 16;
+		var I63 = 63;
+		var I64 = 64;
+		var DU_DCT = fDCTQuant(CDU, fdtbl);
+		//ZigZag reorder
+		for (var j = 0; j < I64; ++j) {
+			DU[ZigZag[j]] = DU_DCT[j];
+		}
+		var Diff = DU[0] - DC;DC = DU[0];
+		//Encode DC
+		if (Diff == 0) {
+			writeBits(HTDC[0]); // Diff might be 0
+		} else {
+			pos = 32767 + Diff;
+			writeBits(HTDC[category[pos]]);
+			writeBits(bitcode[pos]);
+		}
+		//Encode ACs
+		var end0pos = 63; // was const... which is crazy
+		for (; end0pos > 0 && DU[end0pos] == 0; end0pos--) {};
+		//end0pos = first element in reverse order !=0
+		if (end0pos == 0) {
+			writeBits(EOB);
+			return DC;
+		}
+		var i = 1;
+		var lng;
+		while (i <= end0pos) {
+			var startpos = i;
+			for (; DU[i] == 0 && i <= end0pos; ++i) {}
+			var nrzeroes = i - startpos;
+			if (nrzeroes >= I16) {
+				lng = nrzeroes >> 4;
+				for (var nrmarker = 1; nrmarker <= lng; ++nrmarker) {
+					writeBits(M16zeroes);
+				}nrzeroes = nrzeroes & 0xF;
 			}
+			pos = 32767 + DU[i];
+			writeBits(HTAC[(nrzeroes << 4) + category[pos]]);
+			writeBits(bitcode[pos]);
+			i++;
 		}
-		
-		this.encode = function(image,quality) // image data object
-		{
-			var time_start = new Date().getTime();
-			
-			if(quality) setQuality(quality);
-			
-			// Initialize bit writer
-			byteout = new Array();
-			bytenew=0;
-			bytepos=7;
-	
-			// Add JPEG headers
-			writeWord(0xFFD8); // SOI
-			writeAPP0();
-			writeDQT();
-			writeSOF0(image.width,image.height);
-			writeDHT();
-			writeSOS();
+		if (end0pos != I63) {
+			writeBits(EOB);
+		}
+		return DC;
+	}
 
-	
-			// Encode 8x8 macroblocks
-			var DCY=0;
-			var DCU=0;
-			var DCV=0;
-			
-			bytenew=0;
-			bytepos=7;
-			
-			
-			this.encode.displayName = "_encode_";
-
-			var imageData = image.data;
-			var width = image.width;
-			var height = image.height;
-
-			var quadWidth = width*4;
-			var tripleWidth = width*3;
-			
-			var x, y = 0;
-			var r, g, b;
-			var start,p, col,row,pos;
-			while(y < height){
-				x = 0;
-				while(x < quadWidth){
+	function initCharLookupTable() {
+		var sfcc = String.fromCharCode;
+		for (var i = 0; i < 256; i++) {
+			///// ACHTUNG // 255
+			clt[i] = sfcc(i);
+		}
+	}
+
+	this.encode = function (image, quality) // image data object
+	{
+		var time_start = new Date().getTime();
+
+		if (quality) setQuality(quality);
+
+		// Initialize bit writer
+		byteout = new Array();
+		bytenew = 0;
+		bytepos = 7;
+
+		// Add JPEG headers
+		writeWord(0xFFD8); // SOI
+		writeAPP0();
+		writeDQT();
+		writeSOF0(image.width, image.height);
+		writeDHT();
+		writeSOS();
+
+		// Encode 8x8 macroblocks
+		var DCY = 0;
+		var DCU = 0;
+		var DCV = 0;
+
+		bytenew = 0;
+		bytepos = 7;
+
+		this.encode.displayName = "_encode_";
+
+		var imageData = image.data;
+		var width = image.width;
+		var height = image.height;
+
+		var quadWidth = width * 4;
+		var tripleWidth = width * 3;
+
+		var x,
+		    y = 0;
+		var r, g, b;
+		var start, p, col, row, pos;
+		while (y < height) {
+			x = 0;
+			while (x < quadWidth) {
 				start = quadWidth * y + x;
 				p = start;
 				col = -1;
 				row = 0;
-				
-				for(pos=0; pos < 64; pos++){
-					row = pos >> 3;// /8
-					col = ( pos & 7 ) * 4; // %8
-					p = start + ( row * quadWidth ) + col;		
-					
-					if(y+row >= height){ // padding bottom
-						p-= (quadWidth*(y+1+row-height));
+
+				for (pos = 0; pos < 64; pos++) {
+					row = pos >> 3; // /8
+					col = (pos & 7) * 4; // %8
+					p = start + row * quadWidth + col;
+
+					if (y + row >= height) {
+						// padding bottom
+						p -= quadWidth * (y + 1 + row - height);
 					}
 
-					if(x+col >= quadWidth){ // padding right	
-						p-= ((x+col) - quadWidth +4)
+					if (x + col >= quadWidth) {
+						// padding right	
+						p -= x + col - quadWidth + 4;
 					}
-					
-					r = imageData[ p++ ];
-					g = imageData[ p++ ];
-					b = imageData[ p++ ];
-					
-					
+
+					r = imageData[p++];
+					g = imageData[p++];
+					b = imageData[p++];
+
 					/* // calculate YUV values dynamically
-					YDU[pos]=((( 0.29900)*r+( 0.58700)*g+( 0.11400)*b))-128; //-0x80
-					UDU[pos]=(((-0.16874)*r+(-0.33126)*g+( 0.50000)*b));
-					VDU[pos]=((( 0.50000)*r+(-0.41869)*g+(-0.08131)*b));
-					*/
-					
-					// use lookup table (slightly faster)
-					YDU[pos] = ((RGB_YUV_TABLE[r]             + RGB_YUV_TABLE[(g +  256)>>0] + RGB_YUV_TABLE[(b +  512)>>0]) >> 16)-128;
-					UDU[pos] = ((RGB_YUV_TABLE[(r +  768)>>0] + RGB_YUV_TABLE[(g + 1024)>>0] + RGB_YUV_TABLE[(b + 1280)>>0]) >> 16)-128;
-					VDU[pos] = ((RGB_YUV_TABLE[(r + 1280)>>0] + RGB_YUV_TABLE[(g + 1536)>>0] + RGB_YUV_TABLE[(b + 1792)>>0]) >> 16)-128;
+     YDU[pos]=((( 0.29900)*r+( 0.58700)*g+( 0.11400)*b))-128; //-0x80
+     UDU[pos]=(((-0.16874)*r+(-0.33126)*g+( 0.50000)*b));
+     VDU[pos]=((( 0.50000)*r+(-0.41869)*g+(-0.08131)*b));
+     */
 
+					// use lookup table (slightly faster)
+					YDU[pos] = (RGB_YUV_TABLE[r] + RGB_YUV_TABLE[g + 256 >> 0] + RGB_YUV_TABLE[b + 512 >> 0] >> 16) - 128;
+					UDU[pos] = (RGB_YUV_TABLE[r + 768 >> 0] + RGB_YUV_TABLE[g + 1024 >> 0] + RGB_YUV_TABLE[b + 1280 >> 0] >> 16) - 128;
+					VDU[pos] = (RGB_YUV_TABLE[r + 1280 >> 0] + RGB_YUV_TABLE[g + 1536 >> 0] + RGB_YUV_TABLE[b + 1792 >> 0] >> 16) - 128;
 				}
-				
+
 				DCY = processDU(YDU, fdtbl_Y, DCY, YDC_HT, YAC_HT);
 				DCU = processDU(UDU, fdtbl_UV, DCU, UVDC_HT, UVAC_HT);
 				DCV = processDU(VDU, fdtbl_UV, DCV, UVDC_HT, UVAC_HT);
-				x+=32;
-				}
-				y+=8;
-			}
-			
-			
-			////////////////////////////////////////////////////////////////
-	
-			// Do the bit alignment of the EOI marker
-			if ( bytepos >= 0 ) {
-				var fillbits = [];
-				fillbits[1] = bytepos+1;
-				fillbits[0] = (1<<(bytepos+1))-1;
-				writeBits(fillbits);
+				x += 32;
 			}
-	
-			writeWord(0xFFD9); //EOI
-
-      return new Uint8Array(byteout);
-      //return new Buffer(byteout);
-      //
-			//var jpegDataUri = 'data:image/jpeg;base64,' + btoa(byteout.join(''));
-			//
-			//byteout = [];
-			//
-			//// benchmarking
-			//var duration = new Date().getTime() - time_start;
-    		////console.log('Encoding time: '+ duration + 'ms');
-    		////
-			//
-			//return jpegDataUri
-	}
-	
-	function setQuality(quality){
+			y += 8;
+		}
+
+		////////////////////////////////////////////////////////////////
+
+		// Do the bit alignment of the EOI marker
+		if (bytepos >= 0) {
+			var fillbits = [];
+			fillbits[1] = bytepos + 1;
+			fillbits[0] = (1 << bytepos + 1) - 1;
+			writeBits(fillbits);
+		}
+
+		writeWord(0xFFD9); //EOI
+
+		return new Uint8Array(byteout);
+		//return new Buffer(byteout);
+		//
+		//var jpegDataUri = 'data:image/jpeg;base64,' + btoa(byteout.join(''));
+		//
+		//byteout = [];
+		//
+		//// benchmarking
+		//var duration = new Date().getTime() - time_start;
+		////console.log('Encoding time: '+ duration + 'ms');
+		////
+		//
+		//return jpegDataUri
+	};
+
+	function setQuality(quality) {
 		if (quality <= 0) {
 			quality = 1;
 		}
 		if (quality > 100) {
 			quality = 100;
 		}
-		
-		if(currentQuality == quality) return // don't recalc if unchanged
-		
+
+		if (currentQuality == quality) return; // don't recalc if unchanged
+
 		var sf = 0;
 		if (quality < 50) {
 			sf = Math.floor(5000 / quality);
 		} else {
-			sf = Math.floor(200 - quality*2);
+			sf = Math.floor(200 - quality * 2);
 		}
-		
+
 		initQuantTables(sf);
 		currentQuality = quality;
 		//console.log('Quality set to: '+quality +'%');
 	}
-	
-	function init(){
+
+	function init() {
 		var time_start = new Date().getTime();
-		if(!quality) quality = 50;
+		if (!quality) quality = 50;
 		// Create tables
-		initCharLookupTable()
+		initCharLookupTable();
 		initHuffmanTbl();
 		initCategoryNumber();
 		initRGBYUVTable();
-		
+
 		setQuality(quality);
 		var duration = new Date().getTime() - time_start;
-    	//console.log('Initialization '+ duration + 'ms');
+		//console.log('Initialization '+ duration + 'ms');
 	}
-	
+
 	init();
-	
 };
 module.exports = encode;
 
 function encode(imgData, qu) {
-  if (typeof qu === 'undefined') qu = 50;
-  var encoder = new JPEGEncoder(qu);
+	if (typeof qu === 'undefined') qu = 50;
+	var encoder = new JPEGEncoder(qu);
 	var data = encoder.encode(imgData, qu);
-  return {
-    data: data,
-    width: imgData.width,
-    height: imgData.height
-  };
+	return {
+		data: data,
+		width: imgData.width,
+		height: imgData.height
+	};
 }
 
 // helper function to get the imageData of an existing image on the current page.
@@ -2330,6 +2267,10 @@ function encode(imgData, qu) {
 //}
 
 },{}],4:[function(require,module,exports){
+"use strict";
+
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
 /**
  * @license
  * Copyright 2015 Mozilla Foundation
@@ -2360,7 +2301,7 @@ function loadURLasArrayBuffer(path, callback) {
     var xhr = new XMLHttpRequest();
     xhr.open("GET", path, true);
     xhr.responseType = "arraybuffer";
-    xhr.onload = function() {
+    xhr.onload = function () {
         callback(xhr.response);
     };
     xhr.send(null);
@@ -2387,30 +2328,31 @@ var JpegImage = function jpegImage() {
         },
         load: function load(path) {
             this._src = path;
-            loadURLasArrayBuffer(path, function(buffer) {
+            loadURLasArrayBuffer(path, function (buffer) {
                 this.parse(new Uint8Array(buffer));
                 if (this.onload) {
                     this.onload();
                 }
             }.bind(this));
         },
-        parse: function(data) {
+        parse: function parse(data) {
             this._parser.parse(data);
         },
-        getData: function(width, height) {
+        getData: function getData(width, height) {
             return this._parser.getData(width, height, false);
         },
         copyToImageData: function copyToImageData(imageData) {
             if (this._parser.numComponents === 2 || this._parser.numComponents > 4) {
                 throw new Error("Unsupported amount of components");
             }
-            var width = imageData.width, height = imageData.height;
+            var width = imageData.width,
+                height = imageData.height;
             var imageDataBytes = width * height * 4;
             var imageDataArray = imageData.data;
             var i, j;
             if (this._parser.numComponents === 1) {
                 var values = this._parser.getData(width, height, false);
-                for (i = 0, j = 0; i < imageDataBytes; ) {
+                for (i = 0, j = 0; i < imageDataBytes;) {
                     var value = values[j++];
                     imageDataArray[i++] = value;
                     imageDataArray[i++] = value;
@@ -2420,7 +2362,7 @@ var JpegImage = function jpegImage() {
                 return;
             }
             var rgb = this._parser.getData(width, height, true);
-            for (i = 0, j = 0; i < imageDataBytes; ) {
+            for (i = 0, j = 0; i < imageDataBytes;) {
                 imageDataArray[i++] = rgb[j++];
                 imageDataArray[i++] = rgb[j++];
                 imageDataArray[i++] = rgb[j++];
@@ -2440,10 +2382,11 @@ module.exports = {
 
 var PDFJS;
 
-(function(PDFJS) {
+(function (PDFJS) {
     "use strict";
+
     var JpegImage = function jpegImage() {
-        var dctZigZag = new Uint8Array([ 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63 ]);
+        var dctZigZag = new Uint8Array([0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63]);
         var dctCos1 = 4017;
         var dctSin1 = 799;
         var dctCos3 = 3406;
@@ -2454,7 +2397,11 @@ var PDFJS;
         var dctSqrt1d2 = 2896;
         function constructor() {}
         function buildHuffmanTable(codeLengths, values) {
-            var k = 0, code = [], i, j, length = 16;
+            var k = 0,
+                code = [],
+                i,
+                j,
+                length = 16;
             while (length > 0 && !codeLengths[length - 1]) {
                 length--;
             }
@@ -2462,7 +2409,8 @@ var PDFJS;
                 children: [],
                 index: 0
             });
-            var p = code[0], q;
+            var p = code[0],
+                q;
             for (i = 0; i < length; i++) {
                 for (j = 0; j < codeLengths[i]; j++) {
                     p = code.pop();
@@ -2502,8 +2450,11 @@ var PDFJS;
             var scanLines = frame.scanLines;
             var mcusPerLine = frame.mcusPerLine;
             var progressive = frame.progressive;
-            var maxH = frame.maxH, maxV = frame.maxV;
-            var startOffset = offset, bitsData = 0, bitsCount = 0;
+            var maxH = frame.maxH,
+                maxV = frame.maxV;
+            var startOffset = offset,
+                bitsData = 0,
+                bitsCount = 0;
             function readBit() {
                 if (bitsCount > 0) {
                     bitsCount--;
@@ -2526,7 +2477,7 @@ var PDFJS;
                     if (typeof node === "number") {
                         return node;
                     }
-                    if (typeof node !== "object") {
+                    if ((typeof node === "undefined" ? "undefined" : _typeof(node)) !== "object") {
                         throw "invalid huffman sequence";
                     }
                 }
@@ -2556,7 +2507,8 @@ var PDFJS;
                 var k = 1;
                 while (k < 64) {
                     var rs = decodeHuffman(component.huffmanTableAC);
-                    var s = rs & 15, r = rs >> 4;
+                    var s = rs & 15,
+                        r = rs >> 4;
                     if (s === 0) {
                         if (r < 15) {
                             break;
@@ -2584,10 +2536,12 @@ var PDFJS;
                     eobrun--;
                     return;
                 }
-                var k = spectralStart, e = spectralEnd;
+                var k = spectralStart,
+                    e = spectralEnd;
                 while (k <= e) {
                     var rs = decodeHuffman(component.huffmanTableAC);
-                    var s = rs & 15, r = rs >> 4;
+                    var s = rs & 15,
+                        r = rs >> 4;
                     if (s === 0) {
                         if (r < 15) {
                             eobrun = receive(r) + (1 << r) - 1;
@@ -2602,7 +2556,8 @@ var PDFJS;
                     k++;
                 }
             }
-            var successiveACState = 0, successiveACNextValue;
+            var successiveACState = 0,
+                successiveACNextValue;
             function decodeACSuccessive(component, offset) {
                 var k = spectralStart;
                 var e = spectralEnd;
@@ -2612,53 +2567,53 @@ var PDFJS;
                 while (k <= e) {
                     var z = dctZigZag[k];
                     switch (successiveACState) {
-                      case 0:
-                        rs = decodeHuffman(component.huffmanTableAC);
-                        s = rs & 15;
-                        r = rs >> 4;
-                        if (s === 0) {
-                            if (r < 15) {
-                                eobrun = receive(r) + (1 << r);
-                                successiveACState = 4;
+                        case 0:
+                            rs = decodeHuffman(component.huffmanTableAC);
+                            s = rs & 15;
+                            r = rs >> 4;
+                            if (s === 0) {
+                                if (r < 15) {
+                                    eobrun = receive(r) + (1 << r);
+                                    successiveACState = 4;
+                                } else {
+                                    r = 16;
+                                    successiveACState = 1;
+                                }
                             } else {
-                                r = 16;
-                                successiveACState = 1;
-                            }
-                        } else {
-                            if (s !== 1) {
-                                throw "invalid ACn encoding";
+                                if (s !== 1) {
+                                    throw "invalid ACn encoding";
+                                }
+                                successiveACNextValue = receiveAndExtend(s);
+                                successiveACState = r ? 2 : 3;
                             }
-                            successiveACNextValue = receiveAndExtend(s);
-                            successiveACState = r ? 2 : 3;
-                        }
-                        continue;
+                            continue;
 
-                      case 1:
-                      case 2:
-                        if (component.blockData[offset + z]) {
-                            component.blockData[offset + z] += readBit() << successive;
-                        } else {
-                            r--;
-                            if (r === 0) {
-                                successiveACState = successiveACState === 2 ? 3 : 0;
+                        case 1:
+                        case 2:
+                            if (component.blockData[offset + z]) {
+                                component.blockData[offset + z] += readBit() << successive;
+                            } else {
+                                r--;
+                                if (r === 0) {
+                                    successiveACState = successiveACState === 2 ? 3 : 0;
+                                }
                             }
-                        }
-                        break;
+                            break;
 
-                      case 3:
-                        if (component.blockData[offset + z]) {
-                            component.blockData[offset + z] += readBit() << successive;
-                        } else {
-                            component.blockData[offset + z] = successiveACNextValue << successive;
-                            successiveACState = 0;
-                        }
-                        break;
+                        case 3:
+                            if (component.blockData[offset + z]) {
+                                component.blockData[offset + z] += readBit() << successive;
+                            } else {
+                                component.blockData[offset + z] = successiveACNextValue << successive;
+                                successiveACState = 0;
+                            }
+                            break;
 
-                      case 4:
-                        if (component.blockData[offset + z]) {
-                            component.blockData[offset + z] += readBit() << successive;
-                        }
-                        break;
+                        case 4:
+                            if (component.blockData[offset + z]) {
+                                component.blockData[offset + z] += readBit() << successive;
+                            }
+                            break;
                     }
                     k++;
                 }
@@ -2695,7 +2650,8 @@ var PDFJS;
             } else {
                 decodeFn = decodeBaseline;
             }
-            var mcu = 0, marker;
+            var mcu = 0,
+                marker;
             var mcuExpected;
             if (componentsLength === 1) {
                 mcuExpected = components[0].blocksPerLine * components[0].blocksPerColumn;
@@ -2746,7 +2702,8 @@ var PDFJS;
             return offset - startOffset;
         }
         function quantizeAndInverse(component, blockBufferOffset, p) {
-            var qt = component.quantizationTable, blockData = component.blockData;
+            var qt = component.quantizationTable,
+                blockData = component.blockData;
             var v0, v1, v2, v3, v4, v5, v6, v7;
             var p0, p1, p2, p3, p4, p5, p6, p7;
             var t;
@@ -2935,13 +2892,15 @@ var PDFJS;
                     frame.mcusPerLine = mcusPerLine;
                     frame.mcusPerColumn = mcusPerColumn;
                 }
-                var offset = 0, length = data.length;
+                var offset = 0,
+                    length = data.length;
                 var jfif = null;
                 var adobe = null;
                 var pixels = null;
                 var frame, resetInterval;
                 var quantizationTables = [];
-                var huffmanTablesAC = [], huffmanTablesDC = [];
+                var huffmanTablesAC = [],
+                    huffmanTablesDC = [];
                 var fileMarker = readUint16();
                 if (fileMarker !== 65496) {
                     throw "SOI not found";
@@ -2950,171 +2909,174 @@ var PDFJS;
                 while (fileMarker !== 65497) {
                     var i, j, l;
                     switch (fileMarker) {
-                      case 65504:
-                      case 65505:
-                      case 65506:
-                      case 65507:
-                      case 65508:
-                      case 65509:
-                      case 65510:
-                      case 65511:
-                      case 65512:
-                      case 65513:
-                      case 65514:
-                      case 65515:
-                      case 65516:
-                      case 65517:
-                      case 65518:
-                      case 65519:
-                      case 65534:
-                        var appData = readDataBlock();
-                        if (fileMarker === 65504) {
-                            if (appData[0] === 74 && appData[1] === 70 && appData[2] === 73 && appData[3] === 70 && appData[4] === 0) {
-                                jfif = {
-                                    version: {
-                                        major: appData[5],
-                                        minor: appData[6]
-                                    },
-                                    densityUnits: appData[7],
-                                    xDensity: appData[8] << 8 | appData[9],
-                                    yDensity: appData[10] << 8 | appData[11],
-                                    thumbWidth: appData[12],
-                                    thumbHeight: appData[13],
-                                    thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
-                                };
+                        case 65504:
+                        case 65505:
+                        case 65506:
+                        case 65507:
+                        case 65508:
+                        case 65509:
+                        case 65510:
+                        case 65511:
+                        case 65512:
+                        case 65513:
+                        case 65514:
+                        case 65515:
+                        case 65516:
+                        case 65517:
+                        case 65518:
+                        case 65519:
+                        case 65534:
+                            var appData = readDataBlock();
+                            if (fileMarker === 65504) {
+                                if (appData[0] === 74 && appData[1] === 70 && appData[2] === 73 && appData[3] === 70 && appData[4] === 0) {
+                                    jfif = {
+                                        version: {
+                                            major: appData[5],
+                                            minor: appData[6]
+                                        },
+                                        densityUnits: appData[7],
+                                        xDensity: appData[8] << 8 | appData[9],
+                                        yDensity: appData[10] << 8 | appData[11],
+                                        thumbWidth: appData[12],
+                                        thumbHeight: appData[13],
+                                        thumbData: appData.subarray(14, 14 + 3 * appData[12] * appData[13])
+                                    };
+                                }
                             }
-                        }
-                        if (fileMarker === 65518) {
-                            if (appData[0] === 65 && appData[1] === 100 && appData[2] === 111 && appData[3] === 98 && appData[4] === 101) {
-                                adobe = {
-                                    version: appData[5] << 8 | appData[6],
-                                    flags0: appData[7] << 8 | appData[8],
-                                    flags1: appData[9] << 8 | appData[10],
-                                    transformCode: appData[11]
-                                };
+                            if (fileMarker === 65518) {
+                                if (appData[0] === 65 && appData[1] === 100 && appData[2] === 111 && appData[3] === 98 && appData[4] === 101) {
+                                    adobe = {
+                                        version: appData[5] << 8 | appData[6],
+                                        flags0: appData[7] << 8 | appData[8],
+                                        flags1: appData[9] << 8 | appData[10],
+                                        transformCode: appData[11]
+                                    };
+                                }
                             }
-                        }
-                        break;
+                            break;
 
-                      case 65499:
-                        var quantizationTablesLength = readUint16();
-                        var quantizationTablesEnd = quantizationTablesLength + offset - 2;
-                        var z;
-                        while (offset < quantizationTablesEnd) {
-                            var quantizationTableSpec = data[offset++];
-                            var tableData = new Uint16Array(64);
-                            if (quantizationTableSpec >> 4 === 0) {
-                                for (j = 0; j < 64; j++) {
-                                    z = dctZigZag[j];
-                                    tableData[z] = data[offset++];
-                                }
-                            } else if (quantizationTableSpec >> 4 === 1) {
-                                for (j = 0; j < 64; j++) {
-                                    z = dctZigZag[j];
-                                    tableData[z] = readUint16();
+                        case 65499:
+                            var quantizationTablesLength = readUint16();
+                            var quantizationTablesEnd = quantizationTablesLength + offset - 2;
+                            var z;
+                            while (offset < quantizationTablesEnd) {
+                                var quantizationTableSpec = data[offset++];
+                                var tableData = new Uint16Array(64);
+                                if (quantizationTableSpec >> 4 === 0) {
+                                    for (j = 0; j < 64; j++) {
+                                        z = dctZigZag[j];
+                                        tableData[z] = data[offset++];
+                                    }
+                                } else if (quantizationTableSpec >> 4 === 1) {
+                                    for (j = 0; j < 64; j++) {
+                                        z = dctZigZag[j];
+                                        tableData[z] = readUint16();
+                                    }
+                                } else {
+                                    throw "DQT: invalid table spec";
                                 }
-                            } else {
-                                throw "DQT: invalid table spec";
+                                quantizationTables[quantizationTableSpec & 15] = tableData;
                             }
-                            quantizationTables[quantizationTableSpec & 15] = tableData;
-                        }
-                        break;
+                            break;
 
-                      case 65472:
-                      case 65473:
-                      case 65474:
-                        if (frame) {
-                            throw "Only single frame JPEGs supported";
-                        }
-                        readUint16();
-                        frame = {};
-                        frame.extended = fileMarker === 65473;
-                        frame.progressive = fileMarker === 65474;
-                        frame.precision = data[offset++];
-                        frame.scanLines = readUint16();
-                        frame.samplesPerLine = readUint16();
-                        frame.components = [];
-                        frame.componentIds = {};
-                        var componentsCount = data[offset++], componentId;
-                        var maxH = 0, maxV = 0;
-                        for (i = 0; i < componentsCount; i++) {
-                            componentId = data[offset];
-                            var h = data[offset + 1] >> 4;
-                            var v = data[offset + 1] & 15;
-                            if (maxH < h) {
-                                maxH = h;
+                        case 65472:
+                        case 65473:
+                        case 65474:
+                            if (frame) {
+                                throw "Only single frame JPEGs supported";
                             }
-                            if (maxV < v) {
-                                maxV = v;
+                            readUint16();
+                            frame = {};
+                            frame.extended = fileMarker === 65473;
+                            frame.progressive = fileMarker === 65474;
+                            frame.precision = data[offset++];
+                            frame.scanLines = readUint16();
+                            frame.samplesPerLine = readUint16();
+                            frame.components = [];
+                            frame.componentIds = {};
+                            var componentsCount = data[offset++],
+                                componentId;
+                            var maxH = 0,
+                                maxV = 0;
+                            for (i = 0; i < componentsCount; i++) {
+                                componentId = data[offset];
+                                var h = data[offset + 1] >> 4;
+                                var v = data[offset + 1] & 15;
+                                if (maxH < h) {
+                                    maxH = h;
+                                }
+                                if (maxV < v) {
+                                    maxV = v;
+                                }
+                                var qId = data[offset + 2];
+                                l = frame.components.push({
+                                    h: h,
+                                    v: v,
+                                    quantizationTable: quantizationTables[qId]
+                                });
+                                frame.componentIds[componentId] = l - 1;
+                                offset += 3;
                             }
-                            var qId = data[offset + 2];
-                            l = frame.components.push({
-                                h: h,
-                                v: v,
-                                quantizationTable: quantizationTables[qId]
-                            });
-                            frame.componentIds[componentId] = l - 1;
-                            offset += 3;
-                        }
-                        frame.maxH = maxH;
-                        frame.maxV = maxV;
-                        prepareComponents(frame);
-                        break;
+                            frame.maxH = maxH;
+                            frame.maxV = maxV;
+                            prepareComponents(frame);
+                            break;
 
-                      case 65476:
-                        var huffmanLength = readUint16();
-                        for (i = 2; i < huffmanLength; ) {
-                            var huffmanTableSpec = data[offset++];
-                            var codeLengths = new Uint8Array(16);
-                            var codeLengthSum = 0;
-                            for (j = 0; j < 16; j++, offset++) {
-                                codeLengthSum += codeLengths[j] = data[offset];
-                            }
-                            var huffmanValues = new Uint8Array(codeLengthSum);
-                            for (j = 0; j < codeLengthSum; j++, offset++) {
-                                huffmanValues[j] = data[offset];
+                        case 65476:
+                            var huffmanLength = readUint16();
+                            for (i = 2; i < huffmanLength;) {
+                                var huffmanTableSpec = data[offset++];
+                                var codeLengths = new Uint8Array(16);
+                                var codeLengthSum = 0;
+                                for (j = 0; j < 16; j++, offset++) {
+                                    codeLengthSum += codeLengths[j] = data[offset];
+                                }
+                                var huffmanValues = new Uint8Array(codeLengthSum);
+                                for (j = 0; j < codeLengthSum; j++, offset++) {
+                                    huffmanValues[j] = data[offset];
+                                }
+                                i += 17 + codeLengthSum;
+                                (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
                             }
-                            i += 17 + codeLengthSum;
-                            (huffmanTableSpec >> 4 === 0 ? huffmanTablesDC : huffmanTablesAC)[huffmanTableSpec & 15] = buildHuffmanTable(codeLengths, huffmanValues);
-                        }
-                        break;
+                            break;
 
-                      case 65501:
-                        readUint16();
-                        resetInterval = readUint16();
-                        break;
-
-                      case 65498:
-                        var scanLength = readUint16();
-                        var selectorsCount = data[offset++];
-                        var components = [], component;
-                        for (i = 0; i < selectorsCount; i++) {
-                            var componentIndex = frame.componentIds[data[offset++]];
-                            component = frame.components[componentIndex];
-                            var tableSpec = data[offset++];
-                            component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
-                            component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
-                            components.push(component);
-                        }
-                        var spectralStart = data[offset++];
-                        var spectralEnd = data[offset++];
-                        var successiveApproximation = data[offset++];
-                        var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15);
-                        offset += processed;
-                        break;
+                        case 65501:
+                            readUint16();
+                            resetInterval = readUint16();
+                            break;
 
-                      case 65535:
-                        if (data[offset] !== 255) {
-                            offset--;
-                        }
-                        break;
+                        case 65498:
+                            var scanLength = readUint16();
+                            var selectorsCount = data[offset++];
+                            var components = [],
+                                component;
+                            for (i = 0; i < selectorsCount; i++) {
+                                var componentIndex = frame.componentIds[data[offset++]];
+                                component = frame.components[componentIndex];
+                                var tableSpec = data[offset++];
+                                component.huffmanTableDC = huffmanTablesDC[tableSpec >> 4];
+                                component.huffmanTableAC = huffmanTablesAC[tableSpec & 15];
+                                components.push(component);
+                            }
+                            var spectralStart = data[offset++];
+                            var spectralEnd = data[offset++];
+                            var successiveApproximation = data[offset++];
+                            var processed = decodeScan(data, offset, frame, components, resetInterval, spectralStart, spectralEnd, successiveApproximation >> 4, successiveApproximation & 15);
+                            offset += processed;
+                            break;
 
-                      default:
-                        if (data[offset - 3] === 255 && data[offset - 2] >= 192 && data[offset - 2] <= 254) {
-                            offset -= 3;
+                        case 65535:
+                            if (data[offset] !== 255) {
+                                offset--;
+                            }
                             break;
-                        }
-                        throw "unknown JPEG marker " + fileMarker.toString(16);
+
+                        default:
+                            if (data[offset - 3] === 255 && data[offset - 2] >= 192 && data[offset - 2] <= 254) {
+                                offset -= 3;
+                                break;
+                            }
+                            throw "unknown JPEG marker " + fileMarker.toString(16);
                     }
                     fileMarker = readUint16();
                 }
@@ -3136,7 +3098,8 @@ var PDFJS;
                 this.numComponents = this.components.length;
             },
             _getLinearizedBlockData: function getLinearizedBlockData(width, height) {
-                var scaleX = this.width / width, scaleY = this.height / height;
+                var scaleX = this.width / width,
+                    scaleY = this.height / height;
                 var component, componentScaleX, componentScaleY, blocksPerScanline;
                 var x, y, i, j, k;
                 var index;
@@ -3169,7 +3132,7 @@ var PDFJS;
                 }
                 var transform = this.decodeTransform;
                 if (transform) {
-                    for (i = 0; i < dataLength; ) {
+                    for (i = 0; i < dataLength;) {
                         for (j = 0, k = 0; j < numComponents; j++, i++, k += 2) {
                             data[i] = (data[i] * transform[k] >> 8) + transform[k + 1];
                         }
@@ -3271,7 +3234,7 @@ var PDFJS;
     }();
     "use strict";
     var ArithmeticDecoder = function ArithmeticDecoderClosure() {
-        var QeTable = [ {
+        var QeTable = [{
             qe: 22017,
             nmps: 1,
             nlps: 1,
@@ -3506,7 +3469,7 @@ var PDFJS;
             nmps: 46,
             nlps: 46,
             switchFlag: 0
-        } ];
+        }];
         function ArithmeticDecoder(data, start, end) {
             this.data = data;
             this.bp = start;
@@ -3546,7 +3509,8 @@ var PDFJS;
                 }
             },
             readBit: function ArithmeticDecoder_readBit(contexts, pos) {
-                var cx_index = contexts[pos] >> 1, cx_mps = contexts[pos] & 1;
+                var cx_index = contexts[pos] >> 1,
+                    cx_mps = contexts[pos] & 1;
                 var qeTableIcx = QeTable[cx_index];
                 var qeIcx = qeTableIcx.qe;
                 var d;
@@ -3615,7 +3579,8 @@ var PDFJS;
                     this.parseCodestream(data, 0, data.length);
                     return;
                 }
-                var position = 0, length = data.length;
+                var position = 0,
+                    length = data.length;
                 while (position < length) {
                     var headerSize = 8;
                     var lbox = readUint32(data, position);
@@ -3635,52 +3600,52 @@ var PDFJS;
                     var dataLength = lbox - headerSize;
                     var jumpDataLength = true;
                     switch (tbox) {
-                      case 1785737832:
-                        jumpDataLength = false;
-                        break;
+                        case 1785737832:
+                            jumpDataLength = false;
+                            break;
 
-                      case 1668246642:
-                        var method = data[position];
-                        var precedence = data[position + 1];
-                        var approximation = data[position + 2];
-                        if (method === 1) {
-                            var colorspace = readUint32(data, position + 3);
-                            switch (colorspace) {
-                              case 16:
-                              case 17:
-                              case 18:
-                                break;
+                        case 1668246642:
+                            var method = data[position];
+                            var precedence = data[position + 1];
+                            var approximation = data[position + 2];
+                            if (method === 1) {
+                                var colorspace = readUint32(data, position + 3);
+                                switch (colorspace) {
+                                    case 16:
+                                    case 17:
+                                    case 18:
+                                        break;
 
-                              default:
-                                warn("Unknown colorspace " + colorspace);
-                                break;
+                                    default:
+                                        warn("Unknown colorspace " + colorspace);
+                                        break;
+                                }
+                            } else if (method === 2) {
+                                info("ICC profile not supported");
                             }
-                        } else if (method === 2) {
-                            info("ICC profile not supported");
-                        }
-                        break;
+                            break;
 
-                      case 1785737827:
-                        this.parseCodestream(data, position, position + dataLength);
-                        break;
+                        case 1785737827:
+                            this.parseCodestream(data, position, position + dataLength);
+                            break;
 
-                      case 1783636e3:
-                        if (218793738 !== readUint32(data, position)) {
-                            warn("Invalid JP2 signature");
-                        }
-                        break;
+                        case 1783636e3:
+                            if (218793738 !== readUint32(data, position)) {
+                                warn("Invalid JP2 signature");
+                            }
+                            break;
 
-                      case 1783634458:
-                      case 1718909296:
-                      case 1920099697:
-                      case 1919251232:
-                      case 1768449138:
-                        break;
+                        case 1783634458:
+                        case 1718909296:
+                        case 1920099697:
+                        case 1919251232:
+                        case 1768449138:
+                            break;
 
-                      default:
-                        var headerType = String.fromCharCode(tbox >> 24 & 255, tbox >> 16 & 255, tbox >> 8 & 255, tbox & 255);
-                        warn("Unsupported header type " + tbox + " (" + headerType + ")");
-                        break;
+                        default:
+                            var headerType = String.fromCharCode(tbox >> 24 & 255, tbox >> 16 & 255, tbox >> 8 & 255, tbox & 255);
+                            warn("Unsupported header type " + tbox + " (" + headerType + ")");
+                            break;
                     }
                     if (jumpDataLength) {
                         position += dataLength;
@@ -3718,253 +3683,259 @@ var PDFJS;
                     while (position + 1 < end) {
                         var code = readUint16(data, position);
                         position += 2;
-                        var length = 0, j, sqcd, spqcds, spqcdSize, scalarExpounded, tile;
+                        var length = 0,
+                            j,
+                            sqcd,
+                            spqcds,
+                            spqcdSize,
+                            scalarExpounded,
+                            tile;
                         switch (code) {
-                          case 65359:
-                            context.mainHeader = true;
-                            break;
-
-                          case 65497:
-                            break;
-
-                          case 65361:
-                            length = readUint16(data, position);
-                            var siz = {};
-                            siz.Xsiz = readUint32(data, position + 4);
-                            siz.Ysiz = readUint32(data, position + 8);
-                            siz.XOsiz = readUint32(data, position + 12);
-                            siz.YOsiz = readUint32(data, position + 16);
-                            siz.XTsiz = readUint32(data, position + 20);
-                            siz.YTsiz = readUint32(data, position + 24);
-                            siz.XTOsiz = readUint32(data, position + 28);
-                            siz.YTOsiz = readUint32(data, position + 32);
-                            var componentsCount = readUint16(data, position + 36);
-                            siz.Csiz = componentsCount;
-                            var components = [];
-                            j = position + 38;
-                            for (var i = 0; i < componentsCount; i++) {
-                                var component = {
-                                    precision: (data[j] & 127) + 1,
-                                    isSigned: !!(data[j] & 128),
-                                    XRsiz: data[j + 1],
-                                    YRsiz: data[j + 1]
-                                };
-                                calculateComponentDimensions(component, siz);
-                                components.push(component);
-                            }
-                            context.SIZ = siz;
-                            context.components = components;
-                            calculateTileGrids(context, components);
-                            context.QCC = [];
-                            context.COC = [];
-                            break;
+                            case 65359:
+                                context.mainHeader = true;
+                                break;
 
-                          case 65372:
-                            length = readUint16(data, position);
-                            var qcd = {};
-                            j = position + 2;
-                            sqcd = data[j++];
-                            switch (sqcd & 31) {
-                              case 0:
-                                spqcdSize = 8;
-                                scalarExpounded = true;
+                            case 65497:
                                 break;
 
-                              case 1:
-                                spqcdSize = 16;
-                                scalarExpounded = false;
+                            case 65361:
+                                length = readUint16(data, position);
+                                var siz = {};
+                                siz.Xsiz = readUint32(data, position + 4);
+                                siz.Ysiz = readUint32(data, position + 8);
+                                siz.XOsiz = readUint32(data, position + 12);
+                                siz.YOsiz = readUint32(data, position + 16);
+                                siz.XTsiz = readUint32(data, position + 20);
+                                siz.YTsiz = readUint32(data, position + 24);
+                                siz.XTOsiz = readUint32(data, position + 28);
+                                siz.YTOsiz = readUint32(data, position + 32);
+                                var componentsCount = readUint16(data, position + 36);
+                                siz.Csiz = componentsCount;
+                                var components = [];
+                                j = position + 38;
+                                for (var i = 0; i < componentsCount; i++) {
+                                    var component = {
+                                        precision: (data[j] & 127) + 1,
+                                        isSigned: !!(data[j] & 128),
+                                        XRsiz: data[j + 1],
+                                        YRsiz: data[j + 1]
+                                    };
+                                    calculateComponentDimensions(component, siz);
+                                    components.push(component);
+                                }
+                                context.SIZ = siz;
+                                context.components = components;
+                                calculateTileGrids(context, components);
+                                context.QCC = [];
+                                context.COC = [];
                                 break;
 
-                              case 2:
-                                spqcdSize = 16;
-                                scalarExpounded = true;
+                            case 65372:
+                                length = readUint16(data, position);
+                                var qcd = {};
+                                j = position + 2;
+                                sqcd = data[j++];
+                                switch (sqcd & 31) {
+                                    case 0:
+                                        spqcdSize = 8;
+                                        scalarExpounded = true;
+                                        break;
+
+                                    case 1:
+                                        spqcdSize = 16;
+                                        scalarExpounded = false;
+                                        break;
+
+                                    case 2:
+                                        spqcdSize = 16;
+                                        scalarExpounded = true;
+                                        break;
+
+                                    default:
+                                        throw new Error("JPX Error: Invalid SQcd value " + sqcd);
+                                }
+                                qcd.noQuantization = spqcdSize === 8;
+                                qcd.scalarExpounded = scalarExpounded;
+                                qcd.guardBits = sqcd >> 5;
+                                spqcds = [];
+                                while (j < length + position) {
+                                    var spqcd = {};
+                                    if (spqcdSize === 8) {
+                                        spqcd.epsilon = data[j++] >> 3;
+                                        spqcd.mu = 0;
+                                    } else {
+                                        spqcd.epsilon = data[j] >> 3;
+                                        spqcd.mu = (data[j] & 7) << 8 | data[j + 1];
+                                        j += 2;
+                                    }
+                                    spqcds.push(spqcd);
+                                }
+                                qcd.SPqcds = spqcds;
+                                if (context.mainHeader) {
+                                    context.QCD = qcd;
+                                } else {
+                                    context.currentTile.QCD = qcd;
+                                    context.currentTile.QCC = [];
+                                }
                                 break;
 
-                              default:
-                                throw new Error("JPX Error: Invalid SQcd value " + sqcd);
-                            }
-                            qcd.noQuantization = spqcdSize === 8;
-                            qcd.scalarExpounded = scalarExpounded;
-                            qcd.guardBits = sqcd >> 5;
-                            spqcds = [];
-                            while (j < length + position) {
-                                var spqcd = {};
-                                if (spqcdSize === 8) {
-                                    spqcd.epsilon = data[j++] >> 3;
-                                    spqcd.mu = 0;
+                            case 65373:
+                                length = readUint16(data, position);
+                                var qcc = {};
+                                j = position + 2;
+                                var cqcc;
+                                if (context.SIZ.Csiz < 257) {
+                                    cqcc = data[j++];
                                 } else {
-                                    spqcd.epsilon = data[j] >> 3;
-                                    spqcd.mu = (data[j] & 7) << 8 | data[j + 1];
+                                    cqcc = readUint16(data, j);
                                     j += 2;
                                 }
-                                spqcds.push(spqcd);
-                            }
-                            qcd.SPqcds = spqcds;
-                            if (context.mainHeader) {
-                                context.QCD = qcd;
-                            } else {
-                                context.currentTile.QCD = qcd;
-                                context.currentTile.QCC = [];
-                            }
-                            break;
+                                sqcd = data[j++];
+                                switch (sqcd & 31) {
+                                    case 0:
+                                        spqcdSize = 8;
+                                        scalarExpounded = true;
+                                        break;
 
-                          case 65373:
-                            length = readUint16(data, position);
-                            var qcc = {};
-                            j = position + 2;
-                            var cqcc;
-                            if (context.SIZ.Csiz < 257) {
-                                cqcc = data[j++];
-                            } else {
-                                cqcc = readUint16(data, j);
-                                j += 2;
-                            }
-                            sqcd = data[j++];
-                            switch (sqcd & 31) {
-                              case 0:
-                                spqcdSize = 8;
-                                scalarExpounded = true;
-                                break;
+                                    case 1:
+                                        spqcdSize = 16;
+                                        scalarExpounded = false;
+                                        break;
 
-                              case 1:
-                                spqcdSize = 16;
-                                scalarExpounded = false;
-                                break;
+                                    case 2:
+                                        spqcdSize = 16;
+                                        scalarExpounded = true;
+                                        break;
 
-                              case 2:
-                                spqcdSize = 16;
-                                scalarExpounded = true;
+                                    default:
+                                        throw new Error("JPX Error: Invalid SQcd value " + sqcd);
+                                }
+                                qcc.noQuantization = spqcdSize === 8;
+                                qcc.scalarExpounded = scalarExpounded;
+                                qcc.guardBits = sqcd >> 5;
+                                spqcds = [];
+                                while (j < length + position) {
+                                    spqcd = {};
+                                    if (spqcdSize === 8) {
+                                        spqcd.epsilon = data[j++] >> 3;
+                                        spqcd.mu = 0;
+                                    } else {
+                                        spqcd.epsilon = data[j] >> 3;
+                                        spqcd.mu = (data[j] & 7) << 8 | data[j + 1];
+                                        j += 2;
+                                    }
+                                    spqcds.push(spqcd);
+                                }
+                                qcc.SPqcds = spqcds;
+                                if (context.mainHeader) {
+                                    context.QCC[cqcc] = qcc;
+                                } else {
+                                    context.currentTile.QCC[cqcc] = qcc;
+                                }
                                 break;
 
-                              default:
-                                throw new Error("JPX Error: Invalid SQcd value " + sqcd);
-                            }
-                            qcc.noQuantization = spqcdSize === 8;
-                            qcc.scalarExpounded = scalarExpounded;
-                            qcc.guardBits = sqcd >> 5;
-                            spqcds = [];
-                            while (j < length + position) {
-                                spqcd = {};
-                                if (spqcdSize === 8) {
-                                    spqcd.epsilon = data[j++] >> 3;
-                                    spqcd.mu = 0;
+                            case 65362:
+                                length = readUint16(data, position);
+                                var cod = {};
+                                j = position + 2;
+                                var scod = data[j++];
+                                cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
+                                cod.sopMarkerUsed = !!(scod & 2);
+                                cod.ephMarkerUsed = !!(scod & 4);
+                                cod.progressionOrder = data[j++];
+                                cod.layersCount = readUint16(data, j);
+                                j += 2;
+                                cod.multipleComponentTransform = data[j++];
+                                cod.decompositionLevelsCount = data[j++];
+                                cod.xcb = (data[j++] & 15) + 2;
+                                cod.ycb = (data[j++] & 15) + 2;
+                                var blockStyle = data[j++];
+                                cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
+                                cod.resetContextProbabilities = !!(blockStyle & 2);
+                                cod.terminationOnEachCodingPass = !!(blockStyle & 4);
+                                cod.verticalyStripe = !!(blockStyle & 8);
+                                cod.predictableTermination = !!(blockStyle & 16);
+                                cod.segmentationSymbolUsed = !!(blockStyle & 32);
+                                cod.reversibleTransformation = data[j++];
+                                if (cod.entropyCoderWithCustomPrecincts) {
+                                    var precinctsSizes = [];
+                                    while (j < length + position) {
+                                        var precinctsSize = data[j++];
+                                        precinctsSizes.push({
+                                            PPx: precinctsSize & 15,
+                                            PPy: precinctsSize >> 4
+                                        });
+                                    }
+                                    cod.precinctsSizes = precinctsSizes;
+                                }
+                                var unsupported = [];
+                                if (cod.selectiveArithmeticCodingBypass) {
+                                    unsupported.push("selectiveArithmeticCodingBypass");
+                                }
+                                if (cod.resetContextProbabilities) {
+                                    unsupported.push("resetContextProbabilities");
+                                }
+                                if (cod.terminationOnEachCodingPass) {
+                                    unsupported.push("terminationOnEachCodingPass");
+                                }
+                                if (cod.verticalyStripe) {
+                                    unsupported.push("verticalyStripe");
+                                }
+                                if (cod.predictableTermination) {
+                                    unsupported.push("predictableTermination");
+                                }
+                                if (unsupported.length > 0) {
+                                    doNotRecover = true;
+                                    throw new Error("JPX Error: Unsupported COD options (" + unsupported.join(", ") + ")");
+                                }
+                                if (context.mainHeader) {
+                                    context.COD = cod;
                                 } else {
-                                    spqcd.epsilon = data[j] >> 3;
-                                    spqcd.mu = (data[j] & 7) << 8 | data[j + 1];
-                                    j += 2;
+                                    context.currentTile.COD = cod;
+                                    context.currentTile.COC = [];
                                 }
-                                spqcds.push(spqcd);
-                            }
-                            qcc.SPqcds = spqcds;
-                            if (context.mainHeader) {
-                                context.QCC[cqcc] = qcc;
-                            } else {
-                                context.currentTile.QCC[cqcc] = qcc;
-                            }
-                            break;
+                                break;
 
-                          case 65362:
-                            length = readUint16(data, position);
-                            var cod = {};
-                            j = position + 2;
-                            var scod = data[j++];
-                            cod.entropyCoderWithCustomPrecincts = !!(scod & 1);
-                            cod.sopMarkerUsed = !!(scod & 2);
-                            cod.ephMarkerUsed = !!(scod & 4);
-                            cod.progressionOrder = data[j++];
-                            cod.layersCount = readUint16(data, j);
-                            j += 2;
-                            cod.multipleComponentTransform = data[j++];
-                            cod.decompositionLevelsCount = data[j++];
-                            cod.xcb = (data[j++] & 15) + 2;
-                            cod.ycb = (data[j++] & 15) + 2;
-                            var blockStyle = data[j++];
-                            cod.selectiveArithmeticCodingBypass = !!(blockStyle & 1);
-                            cod.resetContextProbabilities = !!(blockStyle & 2);
-                            cod.terminationOnEachCodingPass = !!(blockStyle & 4);
-                            cod.verticalyStripe = !!(blockStyle & 8);
-                            cod.predictableTermination = !!(blockStyle & 16);
-                            cod.segmentationSymbolUsed = !!(blockStyle & 32);
-                            cod.reversibleTransformation = data[j++];
-                            if (cod.entropyCoderWithCustomPrecincts) {
-                                var precinctsSizes = [];
-                                while (j < length + position) {
-                                    var precinctsSize = data[j++];
-                                    precinctsSizes.push({
-                                        PPx: precinctsSize & 15,
-                                        PPy: precinctsSize >> 4
-                                    });
+                            case 65424:
+                                length = readUint16(data, position);
+                                tile = {};
+                                tile.index = readUint16(data, position + 2);
+                                tile.length = readUint32(data, position + 4);
+                                tile.dataEnd = tile.length + position - 2;
+                                tile.partIndex = data[position + 8];
+                                tile.partsCount = data[position + 9];
+                                context.mainHeader = false;
+                                if (tile.partIndex === 0) {
+                                    tile.COD = context.COD;
+                                    tile.COC = context.COC.slice(0);
+                                    tile.QCD = context.QCD;
+                                    tile.QCC = context.QCC.slice(0);
                                 }
-                                cod.precinctsSizes = precinctsSizes;
-                            }
-                            var unsupported = [];
-                            if (cod.selectiveArithmeticCodingBypass) {
-                                unsupported.push("selectiveArithmeticCodingBypass");
-                            }
-                            if (cod.resetContextProbabilities) {
-                                unsupported.push("resetContextProbabilities");
-                            }
-                            if (cod.terminationOnEachCodingPass) {
-                                unsupported.push("terminationOnEachCodingPass");
-                            }
-                            if (cod.verticalyStripe) {
-                                unsupported.push("verticalyStripe");
-                            }
-                            if (cod.predictableTermination) {
-                                unsupported.push("predictableTermination");
-                            }
-                            if (unsupported.length > 0) {
-                                doNotRecover = true;
-                                throw new Error("JPX Error: Unsupported COD options (" + unsupported.join(", ") + ")");
-                            }
-                            if (context.mainHeader) {
-                                context.COD = cod;
-                            } else {
-                                context.currentTile.COD = cod;
-                                context.currentTile.COC = [];
-                            }
-                            break;
-
-                          case 65424:
-                            length = readUint16(data, position);
-                            tile = {};
-                            tile.index = readUint16(data, position + 2);
-                            tile.length = readUint32(data, position + 4);
-                            tile.dataEnd = tile.length + position - 2;
-                            tile.partIndex = data[position + 8];
-                            tile.partsCount = data[position + 9];
-                            context.mainHeader = false;
-                            if (tile.partIndex === 0) {
-                                tile.COD = context.COD;
-                                tile.COC = context.COC.slice(0);
-                                tile.QCD = context.QCD;
-                                tile.QCC = context.QCC.slice(0);
-                            }
-                            context.currentTile = tile;
-                            break;
+                                context.currentTile = tile;
+                                break;
 
-                          case 65427:
-                            tile = context.currentTile;
-                            if (tile.partIndex === 0) {
-                                initializeTile(context, tile.index);
-                                buildPackets(context);
-                            }
-                            length = tile.dataEnd - position;
-                            parseTilePackets(context, data, position, length);
-                            break;
+                            case 65427:
+                                tile = context.currentTile;
+                                if (tile.partIndex === 0) {
+                                    initializeTile(context, tile.index);
+                                    buildPackets(context);
+                                }
+                                length = tile.dataEnd - position;
+                                parseTilePackets(context, data, position, length);
+                                break;
 
-                          case 65365:
-                          case 65367:
-                          case 65368:
-                          case 65380:
-                            length = readUint16(data, position);
-                            break;
+                            case 65365:
+                            case 65367:
+                            case 65368:
+                            case 65380:
+                                length = readUint16(data, position);
+                                break;
 
-                          case 65363:
-                            throw new Error("JPX Error: Codestream code 0xFF53 (COC) is " + "not implemented");
+                            case 65363:
+                                throw new Error("JPX Error: Codestream code 0xFF53 (COC) is " + "not implemented");
 
-                          default:
-                            throw new Error("JPX Error: Unknown codestream code: " + code.toString(16));
+                            default:
+                                throw new Error("JPX Error: Unknown codestream code: " + code.toString(16));
                         }
                         position += length;
                     }
@@ -3991,7 +3962,8 @@ var PDFJS;
         }
         function calculateTileGrids(context, components) {
             var siz = context.SIZ;
-            var tile, tiles = [];
+            var tile,
+                tiles = [];
             var numXtiles = Math.ceil((siz.Xsiz - siz.XTOsiz) / siz.XTsiz);
             var numYtiles = Math.ceil((siz.Ysiz - siz.YTOsiz) / siz.YTsiz);
             for (var q = 0; q < numYtiles; q++) {
@@ -4155,18 +4127,21 @@ var PDFJS;
             for (var q = 0; q < componentsCount; q++) {
                 maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
             }
-            var l = 0, r = 0, i = 0, k = 0;
+            var l = 0,
+                r = 0,
+                i = 0,
+                k = 0;
             this.nextPacket = function JpxImage_nextPacket() {
-                for (;l < layersCount; l++) {
-                    for (;r <= maxDecompositionLevelsCount; r++) {
-                        for (;i < componentsCount; i++) {
+                for (; l < layersCount; l++) {
+                    for (; r <= maxDecompositionLevelsCount; r++) {
+                        for (; i < componentsCount; i++) {
                             var component = tile.components[i];
                             if (r > component.codingStyleParameters.decompositionLevelsCount) {
                                 continue;
                             }
                             var resolution = component.resolutions[r];
                             var numprecincts = resolution.precinctParameters.numprecincts;
-                            for (;k < numprecincts; ) {
+                            for (; k < numprecincts;) {
                                 var packet = createPacket(resolution, k, l);
                                 k++;
                                 return packet;
@@ -4190,18 +4165,21 @@ var PDFJS;
             for (var q = 0; q < componentsCount; q++) {
                 maxDecompositionLevelsCount = Math.max(maxDecompositionLevelsCount, tile.components[q].codingStyleParameters.decompositionLevelsCount);
             }
-            var r = 0, l = 0, i = 0, k = 0;
+            var r = 0,
+                l = 0,
+                i = 0,
+                k = 0;
             this.nextPacket = function JpxImage_nextPacket() {
-                for (;r <= maxDecompositionLevelsCount; r++) {
-                    for (;l < layersCount; l++) {
-                        for (;i < componentsCount; i++) {
+                for (; r <= maxDecompositionLevelsCount; r++) {
+                    for (; l < layersCount; l++) {
+                        for (; i < componentsCount; i++) {
                             var component = tile.components[i];
                             if (r > component.codingStyleParameters.decompositionLevelsCount) {
                                 continue;
                             }
                             var resolution = component.resolutions[r];
                             var numprecincts = resolution.precinctParameters.numprecincts;
-                            for (;k < numprecincts; ) {
+                            for (; k < numprecincts;) {
                                 var packet = createPacket(resolution, k, l);
                                 k++;
                                 return packet;
@@ -4243,9 +4221,9 @@ var PDFJS;
             c = 0;
             p = 0;
             this.nextPacket = function JpxImage_nextPacket() {
-                for (;r <= maxDecompositionLevelsCount; r++) {
-                    for (;p < maxNumPrecinctsInLevel[r]; p++) {
-                        for (;c < componentsCount; c++) {
+                for (; r <= maxDecompositionLevelsCount; r++) {
+                    for (; p < maxNumPrecinctsInLevel[r]; p++) {
+                        for (; c < componentsCount; c++) {
                             var component = tile.components[c];
                             if (r > component.codingStyleParameters.decompositionLevelsCount) {
                                 continue;
@@ -4255,7 +4233,7 @@ var PDFJS;
                             if (p >= numprecincts) {
                                 continue;
                             }
-                            for (;l < layersCount; ) {
+                            for (; l < layersCount;) {
                                 var packet = createPacket(resolution, p, l);
                                 l++;
                                 return packet;
@@ -4277,21 +4255,25 @@ var PDFJS;
             var componentsCount = siz.Csiz;
             var precinctsSizes = getPrecinctSizesInImageScale(tile);
             var precinctsIterationSizes = precinctsSizes;
-            var l = 0, r = 0, c = 0, px = 0, py = 0;
+            var l = 0,
+                r = 0,
+                c = 0,
+                px = 0,
+                py = 0;
             this.nextPacket = function JpxImage_nextPacket() {
-                for (;py < precinctsIterationSizes.maxNumHigh; py++) {
-                    for (;px < precinctsIterationSizes.maxNumWide; px++) {
-                        for (;c < componentsCount; c++) {
+                for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+                    for (; px < precinctsIterationSizes.maxNumWide; px++) {
+                        for (; c < componentsCount; c++) {
                             var component = tile.components[c];
                             var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
-                            for (;r <= decompositionLevelsCount; r++) {
+                            for (; r <= decompositionLevelsCount; r++) {
                                 var resolution = component.resolutions[r];
                                 var sizeInImageScale = precinctsSizes.components[c].resolutions[r];
                                 var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
                                 if (k === null) {
                                     continue;
                                 }
-                                for (;l < layersCount; ) {
+                                for (; l < layersCount;) {
                                     var packet = createPacket(resolution, k, l);
                                     l++;
                                     return packet;
@@ -4314,22 +4296,26 @@ var PDFJS;
             var layersCount = tile.codingStyleDefaultParameters.layersCount;
             var componentsCount = siz.Csiz;
             var precinctsSizes = getPrecinctSizesInImageScale(tile);
-            var l = 0, r = 0, c = 0, px = 0, py = 0;
+            var l = 0,
+                r = 0,
+                c = 0,
+                px = 0,
+                py = 0;
             this.nextPacket = function JpxImage_nextPacket() {
-                for (;c < componentsCount; ++c) {
+                for (; c < componentsCount; ++c) {
                     var component = tile.components[c];
                     var precinctsIterationSizes = precinctsSizes.components[c];
                     var decompositionLevelsCount = component.codingStyleParameters.decompositionLevelsCount;
-                    for (;py < precinctsIterationSizes.maxNumHigh; py++) {
-                        for (;px < precinctsIterationSizes.maxNumWide; px++) {
-                            for (;r <= decompositionLevelsCount; r++) {
+                    for (; py < precinctsIterationSizes.maxNumHigh; py++) {
+                        for (; px < precinctsIterationSizes.maxNumWide; px++) {
+                            for (; r <= decompositionLevelsCount; r++) {
                                 var resolution = component.resolutions[r];
                                 var sizeInImageScale = precinctsIterationSizes.resolutions[r];
                                 var k = getPrecinctIndexIfExist(px, py, sizeInImageScale, precinctsIterationSizes, resolution);
                                 if (k === null) {
                                     continue;
                                 }
-                                for (;l < layersCount; ) {
+                                for (; l < layersCount;) {
                                     var packet = createPacket(resolution, k, l);
                                     l++;
                                     return packet;
@@ -4436,7 +4422,7 @@ var PDFJS;
                         subband.resolution = resolution;
                         buildCodeblocks(context, subband, blocksDimensions);
                         subbands.push(subband);
-                        resolution.subbands = [ subband ];
+                        resolution.subbands = [subband];
                     } else {
                         var bscale = 1 << decompositionLevelsCount - r + 1;
                         var resolutionSubbands = [];
@@ -4478,33 +4464,35 @@ var PDFJS;
             }
             var progressionOrder = tile.codingStyleDefaultParameters.progressionOrder;
             switch (progressionOrder) {
-              case 0:
-                tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
-                break;
+                case 0:
+                    tile.packetsIterator = new LayerResolutionComponentPositionIterator(context);
+                    break;
 
-              case 1:
-                tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
-                break;
+                case 1:
+                    tile.packetsIterator = new ResolutionLayerComponentPositionIterator(context);
+                    break;
 
-              case 2:
-                tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
-                break;
+                case 2:
+                    tile.packetsIterator = new ResolutionPositionComponentLayerIterator(context);
+                    break;
 
-              case 3:
-                tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
-                break;
+                case 3:
+                    tile.packetsIterator = new PositionComponentResolutionLayerIterator(context);
+                    break;
 
-              case 4:
-                tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
-                break;
+                case 4:
+                    tile.packetsIterator = new ComponentPositionResolutionLayerIterator(context);
+                    break;
 
-              default:
-                throw new Error("JPX Error: Unsupported progression order " + progressionOrder);
+                default:
+                    throw new Error("JPX Error: Unsupported progression order " + progressionOrder);
             }
         }
         function parseTilePackets(context, data, offset, dataLength) {
             var position = 0;
-            var buffer, bufferSize = 0, skipNextBit = false;
+            var buffer,
+                bufferSize = 0,
+                skipNextBit = false;
             function readBits(count) {
                 while (bufferSize < count) {
                     var b = data[offset + position];
@@ -4577,7 +4565,8 @@ var PDFJS;
                     continue;
                 }
                 var layerNumber = packet.layerNumber;
-                var queue = [], codeblock;
+                var queue = [],
+                    codeblock;
                 for (var i = 0, ii = packet.codeblocks.length; i < ii; i++) {
                     codeblock = packet.codeblocks[i];
                     var precinct = codeblock.precinct;
@@ -4689,7 +4678,9 @@ var PDFJS;
                 var bitModel, currentCodingpassType;
                 bitModel = new BitModel(blockWidth, blockHeight, codeblock.subbandType, codeblock.zeroBitPlanes, mb);
                 currentCodingpassType = 2;
-                var data = codeblock.data, totalLength = 0, codingpasses = 0;
+                var data = codeblock.data,
+                    totalLength = 0,
+                    codingpasses = 0;
                 var j, jj, dataItem;
                 for (j = 0, jj = data.length; j < jj; j++) {
                     dataItem = data[j];
@@ -4708,20 +4699,20 @@ var PDFJS;
                 bitModel.setDecoder(decoder);
                 for (j = 0; j < codingpasses; j++) {
                     switch (currentCodingpassType) {
-                      case 0:
-                        bitModel.runSignificancePropogationPass();
-                        break;
+                        case 0:
+                            bitModel.runSignificancePropogationPass();
+                            break;
 
-                      case 1:
-                        bitModel.runMagnitudeRefinementPass();
-                        break;
+                        case 1:
+                            bitModel.runMagnitudeRefinementPass();
+                            break;
 
-                      case 2:
-                        bitModel.runCleanupPass();
-                        if (segmentationSymbolUsed) {
-                            bitModel.checkSegmentationSymbol();
-                        }
-                        break;
+                        case 2:
+                            bitModel.runCleanupPass();
+                            if (segmentationSymbolUsed) {
+                                bitModel.checkSegmentationSymbol();
+                            }
+                            break;
                     }
                     currentCodingpassType = (currentCodingpassType + 1) % 3;
                 }
@@ -4830,7 +4821,17 @@ var PDFJS;
                     items: out
                 };
                 var shift, offset, max, min, maxK;
-                var pos = 0, j, jj, y0, y1, y2, r, g, b, k, val;
+                var pos = 0,
+                    j,
+                    jj,
+                    y0,
+                    y1,
+                    y2,
+                    r,
+                    g,
+                    b,
+                    k,
+                    val;
                 if (tile.codingStyleDefaultParameters.multipleComponentTransform) {
                     var fourComponents = componentsCount === 4;
                     var y0items = transformedTiles[0].items;
@@ -4924,7 +4925,9 @@ var PDFJS;
             }
             TagTree.prototype = {
                 reset: function TagTree_reset(i, j) {
-                    var currentLevel = 0, value = 0, level;
+                    var currentLevel = 0,
+                        value = 0,
+                        level;
                     while (currentLevel < this.levels.length) {
                         level = this.levels[currentLevel];
                         var index = i + j * level.width;
@@ -5040,9 +5043,9 @@ var PDFJS;
         var BitModel = function BitModelClosure() {
             var UNIFORM_CONTEXT = 17;
             var RUNLENGTH_CONTEXT = 18;
-            var LLAndLHContextsLabel = new Uint8Array([ 0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8 ]);
-            var HLContextLabel = new Uint8Array([ 0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8 ]);
-            var HHContextLabel = new Uint8Array([ 0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8 ]);
+            var LLAndLHContextsLabel = new Uint8Array([0, 5, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 1, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8, 0, 0, 0, 0, 0, 2, 6, 8, 0, 3, 7, 8, 0, 4, 7, 8]);
+            var HLContextLabel = new Uint8Array([0, 3, 4, 0, 5, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 1, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8, 0, 0, 0, 0, 0, 2, 3, 4, 0, 6, 7, 7, 0, 8, 8, 8]);
+            var HHContextLabel = new Uint8Array([0, 1, 2, 0, 1, 2, 2, 0, 2, 2, 2, 0, 0, 0, 0, 0, 3, 4, 5, 0, 4, 5, 5, 0, 5, 5, 5, 0, 0, 0, 0, 0, 6, 7, 7, 0, 7, 7, 7, 0, 7, 7, 7, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8, 0, 0, 0, 0, 0, 8, 8, 8, 0, 8, 8, 8, 0, 8, 8, 8]);
             function BitModel(width, height, subband, zeroBitPlanes, mb) {
                 this.width = width;
                 this.height = height;
@@ -5073,7 +5076,8 @@ var PDFJS;
                 },
                 setNeighborsSignificance: function BitModel_setNeighborsSignificance(row, column, index) {
                     var neighborsSignificance = this.neighborsSignificance;
-                    var width = this.width, height = this.height;
+                    var width = this.width,
+                        height = this.height;
                     var left = column > 0;
                     var right = column + 1 < width;
                     var i;
@@ -5107,7 +5111,8 @@ var PDFJS;
                 },
                 runSignificancePropogationPass: function BitModel_runSignificancePropogationPass() {
                     var decoder = this.decoder;
-                    var width = this.width, height = this.height;
+                    var width = this.width,
+                        height = this.height;
                     var coefficentsMagnitude = this.coefficentsMagnitude;
                     var coefficentsSign = this.coefficentsSign;
                     var neighborsSignificance = this.neighborsSignificance;
@@ -5146,7 +5151,8 @@ var PDFJS;
                     }
                 },
                 decodeSignBit: function BitModel_decodeSignBit(row, column, index) {
-                    var width = this.width, height = this.height;
+                    var width = this.width,
+                        height = this.height;
                     var coefficentsMagnitude = this.coefficentsMagnitude;
                     var coefficentsSign = this.coefficentsSign;
                     var contribution, sign0, sign1, significance1;
@@ -5193,7 +5199,8 @@ var PDFJS;
                 },
                 runMagnitudeRefinementPass: function BitModel_runMagnitudeRefinementPass() {
                     var decoder = this.decoder;
-                    var width = this.width, height = this.height;
+                    var width = this.width,
+                        height = this.height;
                     var coefficentsMagnitude = this.coefficentsMagnitude;
                     var neighborsSignificance = this.neighborsSignificance;
                     var contexts = this.contexts;
@@ -5226,7 +5233,8 @@ var PDFJS;
                 },
                 runCleanupPass: function BitModel_runCleanupPass() {
                     var decoder = this.decoder;
-                    var width = this.width, height = this.height;
+                    var width = this.width,
+                        height = this.height;
                     var neighborsSignificance = this.neighborsSignificance;
                     var coefficentsMagnitude = this.coefficentsMagnitude;
                     var coefficentsSign = this.coefficentsSign;
@@ -5247,8 +5255,10 @@ var PDFJS;
                         for (var j = 0; j < width; j++) {
                             var index0 = indexBase + j;
                             var allEmpty = checkAllEmpty && processingFlags[index0] === 0 && processingFlags[index0 + oneRowDown] === 0 && processingFlags[index0 + twoRowsDown] === 0 && processingFlags[index0 + threeRowsDown] === 0 && neighborsSignificance[index0] === 0 && neighborsSignificance[index0 + oneRowDown] === 0 && neighborsSignificance[index0 + twoRowsDown] === 0 && neighborsSignificance[index0 + threeRowsDown] === 0;
-                            var i1 = 0, index = index0;
-                            var i = i0, sign;
+                            var i1 = 0,
+                                index = index0;
+                            var i = i0,
+                                sign;
                             if (allEmpty) {
                                 var hasSignificantCoefficent = decoder.readBit(contexts, RUNLENGTH_CONTEXT);
                                 if (!hasSignificantCoefficent) {
@@ -5313,8 +5323,10 @@ var PDFJS;
                 return ll;
             };
             Transform.prototype.extend = function extend(buffer, offset, size) {
-                var i1 = offset - 1, j1 = offset + 1;
-                var i2 = offset + size - 2, j2 = offset + size;
+                var i1 = offset - 1,
+                    j1 = offset + 1;
+                var i2 = offset + size - 2,
+                    j2 = offset + size;
                 buffer[i1--] = buffer[j1++];
                 buffer[j2++] = buffer[i2--];
                 buffer[i1--] = buffer[j1++];
@@ -5325,7 +5337,9 @@ var PDFJS;
                 buffer[j2] = buffer[i2];
             };
             Transform.prototype.iterate = function Transform_iterate(ll, hl_lh_hh, u0, v0) {
-                var llWidth = ll.width, llHeight = ll.height, llItems = ll.items;
+                var llWidth = ll.width,
+                    llHeight = ll.height,
+                    llItems = ll.items;
                 var width = hl_lh_hh.width;
                 var height = hl_lh_hh.height;
                 var items = hl_lh_hh.items;
@@ -5358,7 +5372,8 @@ var PDFJS;
                 for (i = 0; i < numBuffers; i++) {
                     colBuffers.push(new Float32Array(height + 2 * bufferPadding));
                 }
-                var b, currentBuffer = 0;
+                var b,
+                    currentBuffer = 0;
                 ll = bufferPadding + height;
                 if (height === 1) {
                     if ((v0 & 1) !== 0) {
@@ -5499,7 +5514,7 @@ var PDFJS;
     var Jbig2Image = function Jbig2ImageClosure() {
         function ContextCache() {}
         ContextCache.prototype = {
-            getContexts: function(id) {
+            getContexts: function getContexts(id) {
                 if (id in this) {
                     return this[id];
                 }
@@ -5549,8 +5564,8 @@ var PDFJS;
             }
             return prev & 2147483647;
         }
-        var SegmentTypes = [ "SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "patternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension" ];
-        var CodingTemplates = [ [ {
+        var SegmentTypes = ["SymbolDictionary", null, null, null, "IntermediateTextRegion", null, "ImmediateTextRegion", "ImmediateLosslessTextRegion", null, null, null, null, null, null, null, null, "patternDictionary", null, null, null, "IntermediateHalftoneRegion", null, "ImmediateHalftoneRegion", "ImmediateLosslessHalftoneRegion", null, null, null, null, null, null, null, null, null, null, null, null, "IntermediateGenericRegion", null, "ImmediateGenericRegion", "ImmediateLosslessGenericRegion", "IntermediateGenericRefinementRegion", null, "ImmediateGenericRefinementRegion", "ImmediateLosslessGenericRefinementRegion", null, null, null, null, "PageInformation", "EndOfPage", "EndOfStripe", "EndOfFile", "Profiles", "Tables", null, null, null, null, null, null, null, null, "Extension"];
+        var CodingTemplates = [[{
             x: -1,
             y: -2
         }, {
@@ -5586,7 +5601,7 @@ var PDFJS;
         }, {
             x: -1,
             y: 0
-        } ], [ {
+        }], [{
             x: -1,
             y: -2
         }, {
@@ -5622,7 +5637,7 @@ var PDFJS;
         }, {
             x: -1,
             y: 0
-        } ], [ {
+        }], [{
             x: -1,
             y: -2
         }, {
@@ -5649,7 +5664,7 @@ var PDFJS;
         }, {
             x: -1,
             y: 0
-        } ], [ {
+        }], [{
             x: -3,
             y: -1
         }, {
@@ -5676,9 +5691,9 @@ var PDFJS;
         }, {
             x: -1,
             y: 0
-        } ] ];
-        var RefinementTemplates = [ {
-            coding: [ {
+        }]];
+        var RefinementTemplates = [{
+            coding: [{
                 x: 0,
                 y: -1
             }, {
@@ -5687,8 +5702,8 @@ var PDFJS;
             }, {
                 x: -1,
                 y: 0
-            } ],
-            reference: [ {
+            }],
+            reference: [{
                 x: 0,
                 y: -1
             }, {
@@ -5712,9 +5727,9 @@ var PDFJS;
             }, {
                 x: 1,
                 y: 1
-            } ]
+            }]
         }, {
-            coding: [ {
+            coding: [{
                 x: -1,
                 y: -1
             }, {
@@ -5726,8 +5741,8 @@ var PDFJS;
             }, {
                 x: -1,
                 y: 0
-            } ],
-            reference: [ {
+            }],
+            reference: [{
                 x: 0,
                 y: -1
             }, {
@@ -5745,14 +5760,21 @@ var PDFJS;
             }, {
                 x: 1,
                 y: 1
-            } ]
-        } ];
-        var ReusedContexts = [ 39717, 1941, 229, 405 ];
-        var RefinementReusedContexts = [ 32, 8 ];
+            }]
+        }];
+        var ReusedContexts = [39717, 1941, 229, 405];
+        var RefinementReusedContexts = [32, 8];
         function decodeBitmapTemplate0(width, height, decodingContext) {
             var decoder = decodingContext.decoder;
             var contexts = decodingContext.contextCache.getContexts("GB");
-            var contextLabel, i, j, pixel, row, row1, row2, bitmap = [];
+            var contextLabel,
+                i,
+                j,
+                pixel,
+                row,
+                row1,
+                row2,
+                bitmap = [];
             var OLD_PIXEL_MASK = 31735;
             for (i = 0; i < height; i++) {
                 row = bitmap[i] = new Uint8Array(width);
@@ -5775,14 +5797,17 @@ var PDFJS;
             }
             var useskip = !!skip;
             var template = CodingTemplates[templateIndex].concat(at);
-            template.sort(function(a, b) {
+            template.sort(function (a, b) {
                 return a.y - b.y || a.x - b.x;
             });
             var templateLength = template.length;
             var templateX = new Int8Array(templateLength);
             var templateY = new Int8Array(templateLength);
             var changingTemplateEntries = [];
-            var reuseMask = 0, minX = 0, maxX = 0, minY = 0;
+            var reuseMask = 0,
+                minX = 0,
+                maxX = 0,
+                minY = 0;
             var c, k;
             for (k = 0; k < templateLength; k++) {
                 templateX[k] = template[k].x;
@@ -5814,7 +5839,13 @@ var PDFJS;
             var bitmap = [];
             var decoder = decodingContext.decoder;
             var contexts = decodingContext.contextCache.getContexts("GB");
-            var ltp = 0, j, i0, j0, contextLabel = 0, bit, shift;
+            var ltp = 0,
+                j,
+                i0,
+                j0,
+                contextLabel = 0,
+                bit,
+                shift;
             for (var i = 0; i < height; i++) {
                 if (prediction) {
                     var sltp = decoder.readBit(contexts, pseudoPixelContext);
@@ -5867,7 +5898,7 @@ var PDFJS;
         function decodeRefinement(width, height, templateIndex, referenceBitmap, offsetX, offsetY, prediction, at, decodingContext) {
             var codingTemplate = RefinementTemplates[templateIndex].coding;
             if (templateIndex === 0) {
-                codingTemplate = codingTemplate.concat([ at[0] ]);
+                codingTemplate = codingTemplate.concat([at[0]]);
             }
             var codingTemplateLength = codingTemplate.length;
             var codingTemplateX = new Int32Array(codingTemplateLength);
@@ -5879,7 +5910,7 @@ var PDFJS;
             }
             var referenceTemplate = RefinementTemplates[templateIndex].reference;
             if (templateIndex === 0) {
-                referenceTemplate = referenceTemplate.concat([ at[1] ]);
+                referenceTemplate = referenceTemplate.concat([at[1]]);
             }
             var referenceTemplateLength = referenceTemplate.length;
             var referenceTemplateX = new Int32Array(referenceTemplateLength);
@@ -5972,7 +6003,8 @@ var PDFJS;
                 }
             }
             var exportedSymbols = [];
-            var flags = [], currentFlag = false;
+            var flags = [],
+                currentFlag = false;
             var totalSymbolsLength = symbols.length + numberOfNewSymbols;
             while (flags.length < totalSymbolsLength) {
                 var runLength = decodeInteger(contextCache, "IAEX", decoder);
@@ -6048,20 +6080,20 @@ var PDFJS;
                             symbolRow = symbolBitmap[s2];
                             var maxWidth = Math.min(width - offsetT, symbolWidth);
                             switch (combinationOperator) {
-                              case 0:
-                                for (t2 = 0; t2 < maxWidth; t2++) {
-                                    row[offsetT + t2] |= symbolRow[t2];
-                                }
-                                break;
+                                case 0:
+                                    for (t2 = 0; t2 < maxWidth; t2++) {
+                                        row[offsetT + t2] |= symbolRow[t2];
+                                    }
+                                    break;
 
-                              case 2:
-                                for (t2 = 0; t2 < maxWidth; t2++) {
-                                    row[offsetT + t2] ^= symbolRow[t2];
-                                }
-                                break;
+                                case 2:
+                                    for (t2 = 0; t2 < maxWidth; t2++) {
+                                        row[offsetT + t2] ^= symbolRow[t2];
+                                    }
+                                    break;
 
-                              default:
-                                error("JBIG2 error: operator " + combinationOperator + " is not supported");
+                                default:
+                                    error("JBIG2 error: operator " + combinationOperator + " is not supported");
                             }
                         }
                         currentS += symbolHeight - 1;
@@ -6073,20 +6105,20 @@ var PDFJS;
                             }
                             symbolRow = symbolBitmap[t2];
                             switch (combinationOperator) {
-                              case 0:
-                                for (s2 = 0; s2 < symbolWidth; s2++) {
-                                    row[offsetS + s2] |= symbolRow[s2];
-                                }
-                                break;
+                                case 0:
+                                    for (s2 = 0; s2 < symbolWidth; s2++) {
+                                        row[offsetS + s2] |= symbolRow[s2];
+                                    }
+                                    break;
 
-                              case 2:
-                                for (s2 = 0; s2 < symbolWidth; s2++) {
-                                    row[offsetS + s2] ^= symbolRow[s2];
-                                }
-                                break;
+                                case 2:
+                                    for (s2 = 0; s2 < symbolWidth; s2++) {
+                                        row[offsetS + s2] ^= symbolRow[s2];
+                                    }
+                                    break;
 
-                              default:
-                                error("JBIG2 error: operator " + combinationOperator + " is not supported");
+                                default:
+                                    error("JBIG2 error: operator " + combinationOperator + " is not supported");
                             }
                         }
                         currentS += symbolWidth - 1;
@@ -6115,7 +6147,7 @@ var PDFJS;
             var pageAssociationFieldSize = !!(flags & 64);
             var referredFlags = data[start + 5];
             var referredToCount = referredFlags >> 5 & 7;
-            var retainBits = [ referredFlags & 31 ];
+            var retainBits = [referredFlags & 31];
             var position = start + 6;
             if (referredFlags === 7) {
                 referredToCount = readUint32(data, position - 1) & 536870911;
@@ -6222,159 +6254,161 @@ var PDFJS;
         var RegionSegmentInformationFieldLength = 17;
         function processSegment(segment, visitor) {
             var header = segment.header;
-            var data = segment.data, position = segment.start, end = segment.end;
+            var data = segment.data,
+                position = segment.start,
+                end = segment.end;
             var args, at, i, atLength;
             switch (header.type) {
-              case 0:
-                var dictionary = {};
-                var dictionaryFlags = readUint16(data, position);
-                dictionary.huffman = !!(dictionaryFlags & 1);
-                dictionary.refinement = !!(dictionaryFlags & 2);
-                dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
-                dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
-                dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
-                dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
-                dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
-                dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
-                dictionary.template = dictionaryFlags >> 10 & 3;
-                dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
-                position += 2;
-                if (!dictionary.huffman) {
-                    atLength = dictionary.template === 0 ? 4 : 1;
-                    at = [];
-                    for (i = 0; i < atLength; i++) {
-                        at.push({
-                            x: readInt8(data, position),
-                            y: readInt8(data, position + 1)
-                        });
-                        position += 2;
+                case 0:
+                    var dictionary = {};
+                    var dictionaryFlags = readUint16(data, position);
+                    dictionary.huffman = !!(dictionaryFlags & 1);
+                    dictionary.refinement = !!(dictionaryFlags & 2);
+                    dictionary.huffmanDHSelector = dictionaryFlags >> 2 & 3;
+                    dictionary.huffmanDWSelector = dictionaryFlags >> 4 & 3;
+                    dictionary.bitmapSizeSelector = dictionaryFlags >> 6 & 1;
+                    dictionary.aggregationInstancesSelector = dictionaryFlags >> 7 & 1;
+                    dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
+                    dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
+                    dictionary.template = dictionaryFlags >> 10 & 3;
+                    dictionary.refinementTemplate = dictionaryFlags >> 12 & 1;
+                    position += 2;
+                    if (!dictionary.huffman) {
+                        atLength = dictionary.template === 0 ? 4 : 1;
+                        at = [];
+                        for (i = 0; i < atLength; i++) {
+                            at.push({
+                                x: readInt8(data, position),
+                                y: readInt8(data, position + 1)
+                            });
+                            position += 2;
+                        }
+                        dictionary.at = at;
                     }
-                    dictionary.at = at;
-                }
-                if (dictionary.refinement && !dictionary.refinementTemplate) {
-                    at = [];
-                    for (i = 0; i < 2; i++) {
-                        at.push({
-                            x: readInt8(data, position),
-                            y: readInt8(data, position + 1)
-                        });
-                        position += 2;
+                    if (dictionary.refinement && !dictionary.refinementTemplate) {
+                        at = [];
+                        for (i = 0; i < 2; i++) {
+                            at.push({
+                                x: readInt8(data, position),
+                                y: readInt8(data, position + 1)
+                            });
+                            position += 2;
+                        }
+                        dictionary.refinementAt = at;
                     }
-                    dictionary.refinementAt = at;
-                }
-                dictionary.numberOfExportedSymbols = readUint32(data, position);
-                position += 4;
-                dictionary.numberOfNewSymbols = readUint32(data, position);
-                position += 4;
-                args = [ dictionary, header.number, header.referredTo, data, position, end ];
-                break;
+                    dictionary.numberOfExportedSymbols = readUint32(data, position);
+                    position += 4;
+                    dictionary.numberOfNewSymbols = readUint32(data, position);
+                    position += 4;
+                    args = [dictionary, header.number, header.referredTo, data, position, end];
+                    break;
 
-              case 6:
-              case 7:
-                var textRegion = {};
-                textRegion.info = readRegionSegmentInformation(data, position);
-                position += RegionSegmentInformationFieldLength;
-                var textRegionSegmentFlags = readUint16(data, position);
-                position += 2;
-                textRegion.huffman = !!(textRegionSegmentFlags & 1);
-                textRegion.refinement = !!(textRegionSegmentFlags & 2);
-                textRegion.stripSize = 1 << (textRegionSegmentFlags >> 2 & 3);
-                textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
-                textRegion.transposed = !!(textRegionSegmentFlags & 64);
-                textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
-                textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
-                textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
-                textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
-                if (textRegion.huffman) {
-                    var textRegionHuffmanFlags = readUint16(data, position);
+                case 6:
+                case 7:
+                    var textRegion = {};
+                    textRegion.info = readRegionSegmentInformation(data, position);
+                    position += RegionSegmentInformationFieldLength;
+                    var textRegionSegmentFlags = readUint16(data, position);
                     position += 2;
-                    textRegion.huffmanFS = textRegionHuffmanFlags & 3;
-                    textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
-                    textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
-                    textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
-                    textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
-                    textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
-                    textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
-                    textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 14);
-                }
-                if (textRegion.refinement && !textRegion.refinementTemplate) {
-                    at = [];
-                    for (i = 0; i < 2; i++) {
-                        at.push({
-                            x: readInt8(data, position),
-                            y: readInt8(data, position + 1)
-                        });
+                    textRegion.huffman = !!(textRegionSegmentFlags & 1);
+                    textRegion.refinement = !!(textRegionSegmentFlags & 2);
+                    textRegion.stripSize = 1 << (textRegionSegmentFlags >> 2 & 3);
+                    textRegion.referenceCorner = textRegionSegmentFlags >> 4 & 3;
+                    textRegion.transposed = !!(textRegionSegmentFlags & 64);
+                    textRegion.combinationOperator = textRegionSegmentFlags >> 7 & 3;
+                    textRegion.defaultPixelValue = textRegionSegmentFlags >> 9 & 1;
+                    textRegion.dsOffset = textRegionSegmentFlags << 17 >> 27;
+                    textRegion.refinementTemplate = textRegionSegmentFlags >> 15 & 1;
+                    if (textRegion.huffman) {
+                        var textRegionHuffmanFlags = readUint16(data, position);
                         position += 2;
+                        textRegion.huffmanFS = textRegionHuffmanFlags & 3;
+                        textRegion.huffmanDS = textRegionHuffmanFlags >> 2 & 3;
+                        textRegion.huffmanDT = textRegionHuffmanFlags >> 4 & 3;
+                        textRegion.huffmanRefinementDW = textRegionHuffmanFlags >> 6 & 3;
+                        textRegion.huffmanRefinementDH = textRegionHuffmanFlags >> 8 & 3;
+                        textRegion.huffmanRefinementDX = textRegionHuffmanFlags >> 10 & 3;
+                        textRegion.huffmanRefinementDY = textRegionHuffmanFlags >> 12 & 3;
+                        textRegion.huffmanRefinementSizeSelector = !!(textRegionHuffmanFlags & 14);
                     }
-                    textRegion.refinementAt = at;
-                }
-                textRegion.numberOfSymbolInstances = readUint32(data, position);
-                position += 4;
-                if (textRegion.huffman) {
-                    error("JBIG2 error: huffman is not supported");
-                }
-                args = [ textRegion, header.referredTo, data, position, end ];
-                break;
-
-              case 38:
-              case 39:
-                var genericRegion = {};
-                genericRegion.info = readRegionSegmentInformation(data, position);
-                position += RegionSegmentInformationFieldLength;
-                var genericRegionSegmentFlags = data[position++];
-                genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
-                genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
-                genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
-                if (!genericRegion.mmr) {
-                    atLength = genericRegion.template === 0 ? 4 : 1;
-                    at = [];
-                    for (i = 0; i < atLength; i++) {
-                        at.push({
-                            x: readInt8(data, position),
-                            y: readInt8(data, position + 1)
-                        });
-                        position += 2;
+                    if (textRegion.refinement && !textRegion.refinementTemplate) {
+                        at = [];
+                        for (i = 0; i < 2; i++) {
+                            at.push({
+                                x: readInt8(data, position),
+                                y: readInt8(data, position + 1)
+                            });
+                            position += 2;
+                        }
+                        textRegion.refinementAt = at;
                     }
-                    genericRegion.at = at;
-                }
-                args = [ genericRegion, data, position, end ];
-                break;
-
-              case 48:
-                var pageInfo = {
-                    width: readUint32(data, position),
-                    height: readUint32(data, position + 4),
-                    resolutionX: readUint32(data, position + 8),
-                    resolutionY: readUint32(data, position + 12)
-                };
-                if (pageInfo.height === 4294967295) {
-                    delete pageInfo.height;
-                }
-                var pageSegmentFlags = data[position + 16];
-                var pageStripingInformatiom = readUint16(data, position + 17);
-                pageInfo.lossless = !!(pageSegmentFlags & 1);
-                pageInfo.refinement = !!(pageSegmentFlags & 2);
-                pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
-                pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
-                pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
-                pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
-                args = [ pageInfo ];
-                break;
+                    textRegion.numberOfSymbolInstances = readUint32(data, position);
+                    position += 4;
+                    if (textRegion.huffman) {
+                        error("JBIG2 error: huffman is not supported");
+                    }
+                    args = [textRegion, header.referredTo, data, position, end];
+                    break;
 
-              case 49:
-                break;
+                case 38:
+                case 39:
+                    var genericRegion = {};
+                    genericRegion.info = readRegionSegmentInformation(data, position);
+                    position += RegionSegmentInformationFieldLength;
+                    var genericRegionSegmentFlags = data[position++];
+                    genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
+                    genericRegion.template = genericRegionSegmentFlags >> 1 & 3;
+                    genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
+                    if (!genericRegion.mmr) {
+                        atLength = genericRegion.template === 0 ? 4 : 1;
+                        at = [];
+                        for (i = 0; i < atLength; i++) {
+                            at.push({
+                                x: readInt8(data, position),
+                                y: readInt8(data, position + 1)
+                            });
+                            position += 2;
+                        }
+                        genericRegion.at = at;
+                    }
+                    args = [genericRegion, data, position, end];
+                    break;
 
-              case 50:
-                break;
+                case 48:
+                    var pageInfo = {
+                        width: readUint32(data, position),
+                        height: readUint32(data, position + 4),
+                        resolutionX: readUint32(data, position + 8),
+                        resolutionY: readUint32(data, position + 12)
+                    };
+                    if (pageInfo.height === 4294967295) {
+                        delete pageInfo.height;
+                    }
+                    var pageSegmentFlags = data[position + 16];
+                    var pageStripingInformatiom = readUint16(data, position + 17);
+                    pageInfo.lossless = !!(pageSegmentFlags & 1);
+                    pageInfo.refinement = !!(pageSegmentFlags & 2);
+                    pageInfo.defaultPixelValue = pageSegmentFlags >> 2 & 1;
+                    pageInfo.combinationOperator = pageSegmentFlags >> 3 & 3;
+                    pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
+                    pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
+                    args = [pageInfo];
+                    break;
 
-              case 51:
-                break;
+                case 49:
+                    break;
 
-              case 62:
-                break;
+                case 50:
+                    break;
 
-              default:
-                error("JBIG2 error: segment type " + header.typeName + "(" + header.type + ") is not implemented");
+                case 51:
+                    break;
+
+                case 62:
+                    break;
+
+                default:
+                    error("JBIG2 error: segment type " + header.typeName + "(" + header.type + ") is not implemented");
             }
             var callbackName = "on" + header.typeName;
             if (callbackName in visitor) {
@@ -6426,7 +6460,8 @@ var PDFJS;
             },
             drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
                 var pageInfo = this.currentPageInfo;
-                var width = regionInfo.width, height = regionInfo.height;
+                var width = regionInfo.width,
+                    height = regionInfo.height;
                 var rowSize = pageInfo.width + 7 >> 3;
                 var combinationOperator = pageInfo.combinationOperatorOverride ? regionInfo.combinationOperator : pageInfo.combinationOperator;
                 var buffer = this.buffer;
@@ -6434,44 +6469,44 @@ var PDFJS;
                 var offset0 = regionInfo.y * rowSize + (regionInfo.x >> 3);
                 var i, j, mask, offset;
                 switch (combinationOperator) {
-                  case 0:
-                    for (i = 0; i < height; i++) {
-                        mask = mask0;
-                        offset = offset0;
-                        for (j = 0; j < width; j++) {
-                            if (bitmap[i][j]) {
-                                buffer[offset] |= mask;
-                            }
-                            mask >>= 1;
-                            if (!mask) {
-                                mask = 128;
-                                offset++;
+                    case 0:
+                        for (i = 0; i < height; i++) {
+                            mask = mask0;
+                            offset = offset0;
+                            for (j = 0; j < width; j++) {
+                                if (bitmap[i][j]) {
+                                    buffer[offset] |= mask;
+                                }
+                                mask >>= 1;
+                                if (!mask) {
+                                    mask = 128;
+                                    offset++;
+                                }
                             }
+                            offset0 += rowSize;
                         }
-                        offset0 += rowSize;
-                    }
-                    break;
+                        break;
 
-                  case 2:
-                    for (i = 0; i < height; i++) {
-                        mask = mask0;
-                        offset = offset0;
-                        for (j = 0; j < width; j++) {
-                            if (bitmap[i][j]) {
-                                buffer[offset] ^= mask;
-                            }
-                            mask >>= 1;
-                            if (!mask) {
-                                mask = 128;
-                                offset++;
+                    case 2:
+                        for (i = 0; i < height; i++) {
+                            mask = mask0;
+                            offset = offset0;
+                            for (j = 0; j < width; j++) {
+                                if (bitmap[i][j]) {
+                                    buffer[offset] ^= mask;
+                                }
+                                mask >>= 1;
+                                if (!mask) {
+                                    mask = 128;
+                                    offset++;
+                                }
                             }
+                            offset0 += rowSize;
                         }
-                        offset0 += rowSize;
-                    }
-                    break;
+                        break;
 
-                  default:
-                    error("JBIG2 error: operator " + combinationOperator + " is not supported");
+                    default:
+                        error("JBIG2 error: operator " + combinationOperator + " is not supported");
                 }
             },
             onImmediateGenericRegion: function SimpleSegmentVisitor_onImmediateGenericRegion(region, data, start, end) {
@@ -6525,7 +6560,8 @@ var PDFJS;
         return Jbig2Image;
     }();
     function log2(x) {
-        var n = 1, i = 0;
+        var n = 1,
+            i = 0;
         while (x > n) {
             n <<= 1;
             i++;
@@ -6550,18 +6586,19 @@ var PDFJS;
         });
         return value;
     }
-    var error = function() {
+    var error = function error() {
         console.error.apply(console, arguments);
         throw new Error("PDFJS error: " + arguments[0]);
     };
-    var warn = function() {
+    var warn = function warn() {
         console.warn.apply(console, arguments);
     };
-    var info = function() {
+    var info = function info() {
         console.info.apply(console, arguments);
     };
     Jbig2Image.prototype.parse = function parseJbig2(data) {
-        var position = 0, end = data.length;
+        var position = 0,
+            end = data.length;
         if (data[position] !== 151 || data[position + 1] !== 74 || data[position + 2] !== 66 || data[position + 3] !== 50 || data[position + 4] !== 13 || data[position + 5] !== 10 || data[position + 6] !== 26 || data[position + 7] !== 10) {
             error("JBIG2 error: invalid header");
         }
@@ -6573,18 +6610,20 @@ var PDFJS;
             header.numberOfPages = readUint32(data, position);
             position += 4;
         }
-        var visitor = this.parseChunks([ {
+        var visitor = this.parseChunks([{
             data: data,
             start: position,
             end: end
-        } ]);
+        }]);
         var width = visitor.currentPageInfo.width;
         var height = visitor.currentPageInfo.height;
         var bitPacked = visitor.buffer;
         var data = new Uint8Array(width * height);
-        var q = 0, k = 0;
+        var q = 0,
+            k = 0;
         for (var i = 0; i < height; i++) {
-            var mask = 0, buffer;
+            var mask = 0,
+                buffer;
             for (var j = 0; j < width; j++) {
                 if (!mask) {
                     mask = 128;
@@ -6608,17 +6647,20 @@ var JpegDecoder = PDFJS.JpegImage;
 var JpxDecoder = PDFJS.JpxImage;
 
 var Jbig2Decoder = PDFJS.Jbig2Image;
+
 },{}],5:[function(require,module,exports){
 (function (Buffer){
-'use strict';
+"use strict";
 
-module.exports.toBuffer = toBuffer;
-module.exports.toArrayBuffer = toArrayBuffer;
-module.exports.toUint8Array = toUint8Array;
-module.exports.toArrayLike = toArrayLike;
-
-module.exports.bufferToArrayBuffer = bufferToArrayBuffer;
-module.exports.arrayBufferToBuffer = arrayBufferToBuffer;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.toBuffer = toBuffer;
+exports.toArrayBuffer = toArrayBuffer;
+exports.toUint8Array = toUint8Array;
+exports.toArrayLike = toArrayLike;
+exports.bufferToArrayBuffer = bufferToArrayBuffer;
+exports.arrayBufferToBuffer = arrayBufferToBuffer;
 
 /**
  * Converts the buffer to Buffer
@@ -6626,11 +6668,11 @@ module.exports.arrayBufferToBuffer = arrayBufferToBuffer;
  * @returns {Buffer}
  */
 function toBuffer(buf) {
-  if(buf instanceof ArrayBuffer) {
+  if (buf instanceof ArrayBuffer) {
     return arrayBufferToBuffer(buf);
-  } else if(Buffer.isBuffer(buf)) {
+  } else if (Buffer.isBuffer(buf)) {
     return buf;
-  } else if(buf instanceof Uint8Array) {
+  } else if (buf instanceof Uint8Array) {
     return new Buffer(buf);
   } else {
     return buf; // type unknown, trust the user
@@ -6643,11 +6685,11 @@ function toBuffer(buf) {
  * @returns {ArrayBuffer}
  */
 function toArrayBuffer(buf) {
-  if(buf instanceof ArrayBuffer) {
+  if (buf instanceof ArrayBuffer) {
     return buf;
-  } else if(Buffer.isBuffer(buf)) {
+  } else if (Buffer.isBuffer(buf)) {
     return bufferToArrayBuffer(buf);
-  } else if(buf instanceof Uint8Array) {
+  } else if (buf instanceof Uint8Array) {
     return bufferToArrayBuffer(buf);
   } else {
     return buf; // type unknown, trust the user
@@ -6660,11 +6702,11 @@ function toArrayBuffer(buf) {
  * @returns {Uint8Array}
  */
 function toUint8Array(buf) {
-  if(buf instanceof Uint8Array) {
+  if (buf instanceof Uint8Array) {
     return buf;
-  } else if(buf instanceof ArrayBuffer) {
+  } else if (buf instanceof ArrayBuffer) {
     return new Uint8Array(buf);
-  } else if(Buffer.isBuffer(buf)) {
+  } else if (Buffer.isBuffer(buf)) {
     return new Uint8Array(buf);
   } else {
     return buf; // type unknown, trust the user
@@ -6677,11 +6719,11 @@ function toUint8Array(buf) {
  * @returns {Buffer|Uint8Array}
  */
 function toArrayLike(buf) {
-  if(buf instanceof Uint8Array) {
+  if (buf instanceof Uint8Array) {
     return buf;
-  } else if(buf instanceof ArrayBuffer) {
+  } else if (buf instanceof ArrayBuffer) {
     return new Uint8Array(buf);
-  } else if(Buffer.isBuffer(buf)) {
+  } else if (Buffer.isBuffer(buf)) {
     return buf;
   } else {
     return buf; // type unknown, trust the user
@@ -6712,15 +6754,19 @@ function arrayBufferToBuffer(arr) {
 }
 
 }).call(this,require("buffer").Buffer)
-},{"buffer":21}],6:[function(require,module,exports){
+},{"buffer":22}],6:[function(require,module,exports){
 'use strict';
 
-module.exports = function(self) {
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+exports.default = function (self) {
   var decode = require('./decode');
+  self.onmessage = function (_ref) {
+    var msg = _ref.data;
 
-  self.onmessage = function (ev) {
-    var msg = ev.data;
-    decode(msg.buf, msg.options, function(err, result) {
+    decode(msg.buf, msg.options, function (err, result) {
       if (err) {
         var errValue = err instanceof Error ? err.message : err; // Error is not clonable
         self.postMessage({ err: errValue });
@@ -6731,13 +6777,18 @@ module.exports = function(self) {
   };
 };
 
+;
+module.exports = exports['default'];
+
 },{"./decode":7}],7:[function(require,module,exports){
 'use strict';
 
-var JpegImage = require('./backend/jpg').JpegImage;
-
-module.exports = decode;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = decode;
 
+var _jpg = require('./backend/jpg');
 
 /**
  * Decode the JPEG data
@@ -6760,7 +6811,7 @@ function decode(buf, options, cb) {
   }
 
   try {
-    var j = new JpegImage();
+    var j = new _jpg.JpegImage();
     j.parse(buf);
 
     var width = options.width || j.width;
@@ -6774,24 +6825,29 @@ function decode(buf, options, cb) {
     };
 
     cb(null, result);
-  } catch(err) {
-    if(typeof err === 'string') {
+  } catch (err) {
+    if (typeof err === 'string') {
       // jpg.js throws 'string' values, convert to an Error
       err = new Error(err);
     }
     cb(err);
   }
 }
+module.exports = exports['default'];
 
 },{"./backend/jpg":4}],8:[function(require,module,exports){
 'use strict';
 
-module.exports = function(self) {
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+exports.default = function (self) {
   var encode = require('./encode');
+  self.onmessage = function (_ref) {
+    var msg = _ref.data;
 
-  self.onmessage = function (ev) {
-    var msg = ev.data;
-    encode(msg.buf, msg.options, function(err, result) {
+    encode(msg.buf, msg.options, function (err, result) {
       if (err) {
         var errValue = err instanceof Error ? err.message : err; // Error is not clonable
         self.postMessage({ err: errValue });
@@ -6802,12 +6858,22 @@ module.exports = function(self) {
   };
 };
 
+;
+module.exports = exports['default'];
+
 },{"./encode":9}],9:[function(require,module,exports){
 'use strict';
 
-var encoder = require('./backend/encoder');
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = encode;
 
-module.exports = encode;
+var _encoder = require('./backend/encoder');
+
+var _encoder2 = _interopRequireDefault(_encoder);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 /**
  * Encode the data to JPEG format
@@ -6825,22 +6891,27 @@ function encode(buf, options, cb) {
       width: options.width,
       height: options.height
     };
-    var data = encoder(imageData, options.quality);
+    var data = (0, _encoder2.default)(imageData, options.quality);
     cb(null, data);
-  } catch(err) {
+  } catch (err) {
     cb(err);
   }
 }
+module.exports = exports['default'];
 
 },{"./backend/encoder":3}],10:[function(require,module,exports){
 'use strict';
 
-module.exports = function(self) {
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+exports.default = function (self) {
   var exif = require('./exif');
+  self.onmessage = function (_ref) {
+    var msg = _ref.data;
 
-  self.onmessage = function (ev) {
-    var msg = ev.data;
-    exif(msg.buf, {}, function(err, result) {
+    exif(msg.buf, {}, function (err, result) {
       if (err) {
         var errValue = err instanceof Error ? err.message : err; // Error is not clonable
         self.postMessage({ err: errValue });
@@ -6851,13 +6922,18 @@ module.exports = function(self) {
   };
 };
 
+;
+module.exports = exports['default'];
+
 },{"./exif":11}],11:[function(require,module,exports){
 'use strict';
 
-var ExifReader = require('./backend/ExifReader').ExifReader;
-
-module.exports = exif;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = exif;
 
+var _ExifReader = require('./backend/ExifReader');
 
 /**
  * Read EXIF data from the provided buffer
@@ -6870,57 +6946,69 @@ module.exports = exif;
  */
 function exif(buf, options, cb) {
   try {
-    var exif = new ExifReader();
-    exif.load(buf);
+    var _exif = new _ExifReader.ExifReader();
+    _exif.load(buf);
 
     // The MakerNote tag can be really large. Remove it to lower memory usage.
-    if(!options.hasOwnProperty('hasMakerNote') || !options.hasMakerNote) {
-      exif.deleteTag('MakerNote');
+    if (!options.hasOwnProperty('hasMakerNote') || !options.hasMakerNote) {
+      _exif.deleteTag('MakerNote');
     }
 
-    var metadata = exif.getAllTags();
+    var metadata = _exif.getAllTags();
 
     cb(null, metadata);
-  } catch(err) {
-    if(err.message === 'No Exif data') {
+  } catch (err) {
+    if (err.message === 'No Exif data') {
       cb(null, {});
     } else {
       cb(err);
     }
   }
 }
+module.exports = exports['default'];
 
 },{"./backend/ExifReader":2}],12:[function(require,module,exports){
 'use strict';
 
-var hasWorker = (typeof window !== 'undefined') && ('Worker' in window);
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+var hasWorker = typeof window !== 'undefined' && 'Worker' in window;
+
 if (hasWorker) {
   try {
     var w = require('webworkify')(function () {});
     w.terminate();
   } catch (e) {
-    hasWorker = false;
+    exports.hasWorker = hasWorker = false;
   }
 }
 
-module.exports.HAS_WORKER = hasWorker;
+exports.hasWorker = hasWorker;
 
-},{"webworkify":60}],13:[function(require,module,exports){
+},{"webworkify":54}],13:[function(require,module,exports){
 'use strict';
 
-var imageinfo = require('imageinfo');
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = info;
+
+var _imageinfo = require('imageinfo');
+
+var _imageinfo2 = _interopRequireDefault(_imageinfo);
 
-module.exports.collect = collect;
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 /**
  * Get image information
  * @param {Buffer} buf Image or image part that contains image parameters
  * @param {function} cb Callback to invoke on completion
  */
-function collect(buf, cb) {
-  setTimeout(function() {
-    var info = imageinfo(buf);
-    if(!info) {
+function info(buf, cb) {
+  setTimeout(function () {
+    var info = (0, _imageinfo2.default)(buf);
+    if (!info) {
       cb(new Error('Cannot get image info'));
     } else {
       cb(null, {
@@ -6933,7 +7021,9 @@ function collect(buf, cb) {
     }
   }, 0);
 }
-},{"imageinfo":27}],14:[function(require,module,exports){
+module.exports = exports['default'];
+
+},{"imageinfo":26}],14:[function(require,module,exports){
 module.exports={
   "474946383961": {
     "mimeType": "image/gif",
@@ -6991,69 +7081,140 @@ module.exports={
 },{}],15:[function(require,module,exports){
 'use strict';
 
-var find = require('lodash.find');
-var db = require('./magic-db');
-var debug = require('debug')('inkjet:magic');
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = magic;
+
+var _magicDb = require('./magic-db');
+
+var _magicDb2 = _interopRequireDefault(_magicDb);
 
-module.exports.lookup = lookup;
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
 /**
  * Lookup the magic number in magic-number DB
  * @param {Buffer} buf Data buffer
  * @param {function} cb Callback to invoke on completion
  */
-function lookup(buf, cb) {
-  setTimeout(function() {
+function magic(buf, cb) {
+  setTimeout(function () {
     var sampleLength = 24;
     var sample = buf.slice(0, sampleLength).toString('hex'); // lookup data
 
-    var keys = Object.keys(db);
-    var found = find(keys, function(it) {
-      debug('%s <---- %s', sample, it);
-      return (sample.indexOf(it) != -1);
+    var found = Object.keys(_magicDb2.default).find(function (it) {
+      return sample.indexOf(it) != -1;
     });
 
-    if(found) {
-      cb(null, db[found]);
+    if (found) {
+      cb(null, _magicDb2.default[found]);
     } else {
       cb(new Error('Magic number not found'));
     }
   }, 0);
 }
+module.exports = exports['default'];
 
-},{"./magic-db":14,"debug":23,"lodash.find":36}],16:[function(require,module,exports){
-// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
-//
-// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
-//
-// Originally from narwhal.js (http://narwhaljs.org)
-// Copyright (c) 2009 Thomas Robinson <280north.com>
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the 'Software'), to
-// deal in the Software without restriction, including without limitation the
-// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-// sell copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+},{"./magic-db":14}],16:[function(require,module,exports){
+(function (global){
+'use strict';
+
+// compare and isBuffer taken from https://github.com/feross/buffer/blob/680e9e5e488f22aac27599a57dc844a6315928dd/index.js
+// original notice:
+
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license  MIT
+ */
+function compare(a, b) {
+  if (a === b) {
+    return 0;
+  }
+
+  var x = a.length;
+  var y = b.length;
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i];
+      y = b[i];
+      break;
+    }
+  }
+
+  if (x < y) {
+    return -1;
+  }
+  if (y < x) {
+    return 1;
+  }
+  return 0;
+}
+function isBuffer(b) {
+  if (global.Buffer && typeof global.Buffer.isBuffer === 'function') {
+    return global.Buffer.isBuffer(b);
+  }
+  return !!(b != null && b._isBuffer);
+}
+
+// based on node assert, original notice:
+
+// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
+//
+// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
+//
+// Originally from narwhal.js (http://narwhaljs.org)
+// Copyright (c) 2009 Thomas Robinson <280north.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the 'Software'), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 // AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-// when used in node, this will actually load the util module we depend on
-// versus loading the builtin util module as happens otherwise
-// this is a bug in node module loading as far as I am concerned
 var util = require('util/');
-
-var pSlice = Array.prototype.slice;
 var hasOwn = Object.prototype.hasOwnProperty;
-
+var pSlice = Array.prototype.slice;
+var functionsHaveNames = (function () {
+  return function foo() {}.name === 'foo';
+}());
+function pToString (obj) {
+  return Object.prototype.toString.call(obj);
+}
+function isView(arrbuf) {
+  if (isBuffer(arrbuf)) {
+    return false;
+  }
+  if (typeof global.ArrayBuffer !== 'function') {
+    return false;
+  }
+  if (typeof ArrayBuffer.isView === 'function') {
+    return ArrayBuffer.isView(arrbuf);
+  }
+  if (!arrbuf) {
+    return false;
+  }
+  if (arrbuf instanceof DataView) {
+    return true;
+  }
+  if (arrbuf.buffer && arrbuf.buffer instanceof ArrayBuffer) {
+    return true;
+  }
+  return false;
+}
 // 1. The assert module provides functions that throw
 // AssertionError's when particular conditions are not met. The
 // assert module must conform to the following interface.
@@ -7065,6 +7226,19 @@ var assert = module.exports = ok;
 //                             actual: actual,
 //                             expected: expected })
 
+var regex = /\s*function\s+([^\(\s]*)\s*/;
+// based on https://github.com/ljharb/function.prototype.name/blob/adeeeec8bfcc6068b187d7d9fb3d5bb1d3a30899/implementation.js
+function getName(func) {
+  if (!util.isFunction(func)) {
+    return;
+  }
+  if (functionsHaveNames) {
+    return func.name;
+  }
+  var str = func.toString();
+  var match = str.match(regex);
+  return match && match[1];
+}
 assert.AssertionError = function AssertionError(options) {
   this.name = 'AssertionError';
   this.actual = options.actual;
@@ -7078,18 +7252,16 @@ assert.AssertionError = function AssertionError(options) {
     this.generatedMessage = true;
   }
   var stackStartFunction = options.stackStartFunction || fail;
-
   if (Error.captureStackTrace) {
     Error.captureStackTrace(this, stackStartFunction);
-  }
-  else {
+  } else {
     // non v8 browsers so we can have a stacktrace
     var err = new Error();
     if (err.stack) {
       var out = err.stack;
 
       // try to strip useless frames
-      var fn_name = stackStartFunction.name;
+      var fn_name = getName(stackStartFunction);
       var idx = out.indexOf('\n' + fn_name);
       if (idx >= 0) {
         // once we have located the function frame
@@ -7106,31 +7278,25 @@ assert.AssertionError = function AssertionError(options) {
 // assert.AssertionError instanceof Error
 util.inherits(assert.AssertionError, Error);
 
-function replacer(key, value) {
-  if (util.isUndefined(value)) {
-    return '' + value;
-  }
-  if (util.isNumber(value) && !isFinite(value)) {
-    return value.toString();
-  }
-  if (util.isFunction(value) || util.isRegExp(value)) {
-    return value.toString();
-  }
-  return value;
-}
-
 function truncate(s, n) {
-  if (util.isString(s)) {
+  if (typeof s === 'string') {
     return s.length < n ? s : s.slice(0, n);
   } else {
     return s;
   }
 }
-
+function inspect(something) {
+  if (functionsHaveNames || !util.isFunction(something)) {
+    return util.inspect(something);
+  }
+  var rawname = getName(something);
+  var name = rawname ? ': ' + rawname : '';
+  return '[Function' +  name + ']';
+}
 function getMessage(self) {
-  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
+  return truncate(inspect(self.actual), 128) + ' ' +
          self.operator + ' ' +
-         truncate(JSON.stringify(self.expected, replacer), 128);
+         truncate(inspect(self.expected), 128);
 }
 
 // At present only the three keys mentioned above are used and
@@ -7190,24 +7356,23 @@ assert.notEqual = function notEqual(actual, expected, message) {
 // assert.deepEqual(actual, expected, message_opt);
 
 assert.deepEqual = function deepEqual(actual, expected, message) {
-  if (!_deepEqual(actual, expected)) {
+  if (!_deepEqual(actual, expected, false)) {
     fail(actual, expected, message, 'deepEqual', assert.deepEqual);
   }
 };
 
-function _deepEqual(actual, expected) {
+assert.deepStrictEqual = function deepStrictEqual(actual, expected, message) {
+  if (!_deepEqual(actual, expected, true)) {
+    fail(actual, expected, message, 'deepStrictEqual', assert.deepStrictEqual);
+  }
+};
+
+function _deepEqual(actual, expected, strict, memos) {
   // 7.1. All identical values are equivalent, as determined by ===.
   if (actual === expected) {
     return true;
-
-  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
-    if (actual.length != expected.length) return false;
-
-    for (var i = 0; i < actual.length; i++) {
-      if (actual[i] !== expected[i]) return false;
-    }
-
-    return true;
+  } else if (isBuffer(actual) && isBuffer(expected)) {
+    return compare(actual, expected) === 0;
 
   // 7.2. If the expected value is a Date object, the actual value is
   // equivalent if it is also a Date object that refers to the same time.
@@ -7226,8 +7391,22 @@ function _deepEqual(actual, expected) {
 
   // 7.4. Other pairs that do not both pass typeof value == 'object',
   // equivalence is determined by ==.
-  } else if (!util.isObject(actual) && !util.isObject(expected)) {
-    return actual == expected;
+  } else if ((actual === null || typeof actual !== 'object') &&
+             (expected === null || typeof expected !== 'object')) {
+    return strict ? actual === expected : actual == expected;
+
+  // If both values are instances of typed arrays, wrap their underlying
+  // ArrayBuffers in a Buffer each to increase performance
+  // This optimization requires the arrays to have the same type as checked by
+  // Object.prototype.toString (aka pToString). Never perform binary
+  // comparisons for Float*Arrays, though, since e.g. +0 === -0 but their
+  // bit patterns are not identical.
+  } else if (isView(actual) && isView(expected) &&
+             pToString(actual) === pToString(expected) &&
+             !(actual instanceof Float32Array ||
+               actual instanceof Float64Array)) {
+    return compare(new Uint8Array(actual.buffer),
+                   new Uint8Array(expected.buffer)) === 0;
 
   // 7.5 For all other Object pairs, including Array objects, equivalence is
   // determined by having the same number of owned properties (as verified
@@ -7235,8 +7414,22 @@ function _deepEqual(actual, expected) {
   // (although not necessarily the same order), equivalent values for every
   // corresponding key, and an identical 'prototype' property. Note: this
   // accounts for both named and indexed properties on Arrays.
+  } else if (isBuffer(actual) !== isBuffer(expected)) {
+    return false;
   } else {
-    return objEquiv(actual, expected);
+    memos = memos || {actual: [], expected: []};
+
+    var actualIndex = memos.actual.indexOf(actual);
+    if (actualIndex !== -1) {
+      if (actualIndex === memos.expected.indexOf(expected)) {
+        return true;
+      }
+    }
+
+    memos.actual.push(actual);
+    memos.expected.push(expected);
+
+    return objEquiv(actual, expected, strict, memos);
   }
 }
 
@@ -7244,44 +7437,44 @@ function isArguments(object) {
   return Object.prototype.toString.call(object) == '[object Arguments]';
 }
 
-function objEquiv(a, b) {
-  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
+function objEquiv(a, b, strict, actualVisitedObjects) {
+  if (a === null || a === undefined || b === null || b === undefined)
     return false;
-  // an identical 'prototype' property.
-  if (a.prototype !== b.prototype) return false;
   // if one is a primitive, the other must be same
-  if (util.isPrimitive(a) || util.isPrimitive(b)) {
+  if (util.isPrimitive(a) || util.isPrimitive(b))
     return a === b;
-  }
-  var aIsArgs = isArguments(a),
-      bIsArgs = isArguments(b);
+  if (strict && Object.getPrototypeOf(a) !== Object.getPrototypeOf(b))
+    return false;
+  var aIsArgs = isArguments(a);
+  var bIsArgs = isArguments(b);
   if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
     return false;
   if (aIsArgs) {
     a = pSlice.call(a);
     b = pSlice.call(b);
-    return _deepEqual(a, b);
+    return _deepEqual(a, b, strict);
   }
-  var ka = objectKeys(a),
-      kb = objectKeys(b),
-      key, i;
+  var ka = objectKeys(a);
+  var kb = objectKeys(b);
+  var key, i;
   // having the same number of owned properties (keys incorporates
   // hasOwnProperty)
-  if (ka.length != kb.length)
+  if (ka.length !== kb.length)
     return false;
   //the same set of keys (although not necessarily the same order),
   ka.sort();
   kb.sort();
   //~~~cheap key test
   for (i = ka.length - 1; i >= 0; i--) {
-    if (ka[i] != kb[i])
+    if (ka[i] !== kb[i])
       return false;
   }
   //equivalent values for every corresponding key, and
   //~~~possibly expensive deep test
   for (i = ka.length - 1; i >= 0; i--) {
     key = ka[i];
-    if (!_deepEqual(a[key], b[key])) return false;
+    if (!_deepEqual(a[key], b[key], strict, actualVisitedObjects))
+      return false;
   }
   return true;
 }
@@ -7290,11 +7483,19 @@ function objEquiv(a, b) {
 // assert.notDeepEqual(actual, expected, message_opt);
 
 assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
-  if (_deepEqual(actual, expected)) {
+  if (_deepEqual(actual, expected, false)) {
     fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
   }
 };
 
+assert.notDeepStrictEqual = notDeepStrictEqual;
+function notDeepStrictEqual(actual, expected, message) {
+  if (_deepEqual(actual, expected, true)) {
+    fail(actual, expected, message, 'notDeepStrictEqual', notDeepStrictEqual);
+  }
+}
+
+
 // 9. The strict equality assertion tests strict equality, as determined by ===.
 // assert.strictEqual(actual, expected, message_opt);
 
@@ -7320,28 +7521,46 @@ function expectedException(actual, expected) {
 
   if (Object.prototype.toString.call(expected) == '[object RegExp]') {
     return expected.test(actual);
-  } else if (actual instanceof expected) {
-    return true;
-  } else if (expected.call({}, actual) === true) {
-    return true;
   }
 
-  return false;
+  try {
+    if (actual instanceof expected) {
+      return true;
+    }
+  } catch (e) {
+    // Ignore.  The instanceof check doesn't work for arrow functions.
+  }
+
+  if (Error.isPrototypeOf(expected)) {
+    return false;
+  }
+
+  return expected.call({}, actual) === true;
+}
+
+function _tryBlock(block) {
+  var error;
+  try {
+    block();
+  } catch (e) {
+    error = e;
+  }
+  return error;
 }
 
 function _throws(shouldThrow, block, expected, message) {
   var actual;
 
-  if (util.isString(expected)) {
+  if (typeof block !== 'function') {
+    throw new TypeError('"block" argument must be a function');
+  }
+
+  if (typeof expected === 'string') {
     message = expected;
     expected = null;
   }
 
-  try {
-    block();
-  } catch (e) {
-    actual = e;
-  }
+  actual = _tryBlock(block);
 
   message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
             (message ? ' ' + message : '.');
@@ -7350,7 +7569,14 @@ function _throws(shouldThrow, block, expected, message) {
     fail(actual, expected, 'Missing expected exception' + message);
   }
 
-  if (!shouldThrow && expectedException(actual, expected)) {
+  var userProvidedMessage = typeof message === 'string';
+  var isUnwantedException = !shouldThrow && util.isError(actual);
+  var isUnexpectedException = !shouldThrow && actual && !expected;
+
+  if ((isUnwantedException &&
+      userProvidedMessage &&
+      expectedException(actual, expected)) ||
+      isUnexpectedException) {
     fail(actual, expected, 'Got unwanted exception' + message);
   }
 
@@ -7364,15 +7590,15 @@ function _throws(shouldThrow, block, expected, message) {
 // assert.throws(block, Error_opt, message_opt);
 
 assert.throws = function(block, /*optional*/error, /*optional*/message) {
-  _throws.apply(this, [true].concat(pSlice.call(arguments)));
+  _throws(true, block, error, message);
 };
 
 // EXTENSION! This is annoying to write outside this module.
-assert.doesNotThrow = function(block, /*optional*/message) {
-  _throws.apply(this, [false].concat(pSlice.call(arguments)));
+assert.doesNotThrow = function(block, /*optional*/error, /*optional*/message) {
+  _throws(false, block, error, message);
 };
 
-assert.ifError = function(err) { if (err) {throw err;}};
+assert.ifError = function(err) { if (err) throw err; };
 
 var objectKeys = Object.keys || function (obj) {
   var keys = [];
@@ -7382,9 +7608,11 @@ var objectKeys = Object.keys || function (obj) {
   return keys;
 };
 
-},{"util/":59}],17:[function(require,module,exports){
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"util/":53}],17:[function(require,module,exports){
 'use strict'
 
+exports.byteLength = byteLength
 exports.toByteArray = toByteArray
 exports.fromByteArray = fromByteArray
 
@@ -7392,23 +7620,17 @@ var lookup = []
 var revLookup = []
 var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
 
-function init () {
-  var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
-  for (var i = 0, len = code.length; i < len; ++i) {
-    lookup[i] = code[i]
-    revLookup[code.charCodeAt(i)] = i
-  }
-
-  revLookup['-'.charCodeAt(0)] = 62
-  revLookup['_'.charCodeAt(0)] = 63
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+  lookup[i] = code[i]
+  revLookup[code.charCodeAt(i)] = i
 }
 
-init()
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
 
-function toByteArray (b64) {
-  var i, j, l, tmp, placeHolders, arr
+function placeHoldersCount (b64) {
   var len = b64.length
-
   if (len % 4 > 0) {
     throw new Error('Invalid string. Length must be a multiple of 4')
   }
@@ -7418,9 +7640,19 @@ function toByteArray (b64) {
   // represent one byte
   // if there is only one, then the three characters before it represent 2 bytes
   // this is just a cheap hack to not do indexOf twice
-  placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
+  return b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
+}
 
+function byteLength (b64) {
   // base64 is 4/3 + up to two characters of the original data
+  return b64.length * 3 / 4 - placeHoldersCount(b64)
+}
+
+function toByteArray (b64) {
+  var i, j, l, tmp, placeHolders, arr
+  var len = b64.length
+  placeHolders = placeHoldersCount(b64)
+
   arr = new Arr(len * 3 / 4 - placeHolders)
 
   // if there are placeholders, only get up to the last complete 4 chars
@@ -7735,7 +7967,7 @@ Zlib.prototype._error = function(status) {
 exports.Zlib = Zlib;
 
 }).call(this,require('_process'),require("buffer").Buffer)
-},{"_process":50,"buffer":21,"pako/lib/zlib/constants":40,"pako/lib/zlib/deflate.js":42,"pako/lib/zlib/inflate.js":44,"pako/lib/zlib/messages":46,"pako/lib/zlib/zstream":48}],20:[function(require,module,exports){
+},{"_process":42,"buffer":22,"pako/lib/zlib/constants":32,"pako/lib/zlib/deflate.js":34,"pako/lib/zlib/inflate.js":36,"pako/lib/zlib/messages":38,"pako/lib/zlib/zstream":40}],20:[function(require,module,exports){
 (function (process,Buffer){
 // Copyright Joyent, Inc. and other Node contributors.
 //
@@ -8349,8 +8581,119 @@ util.inherits(InflateRaw, Zlib);
 util.inherits(Unzip, Zlib);
 
 }).call(this,require('_process'),require("buffer").Buffer)
-},{"./binding":19,"_process":50,"_stream_transform":55,"assert":16,"buffer":21,"util":59}],21:[function(require,module,exports){
+},{"./binding":19,"_process":42,"_stream_transform":48,"assert":16,"buffer":22,"util":53}],21:[function(require,module,exports){
 (function (global){
+'use strict';
+
+var buffer = require('buffer');
+var Buffer = buffer.Buffer;
+var SlowBuffer = buffer.SlowBuffer;
+var MAX_LEN = buffer.kMaxLength || 2147483647;
+exports.alloc = function alloc(size, fill, encoding) {
+  if (typeof Buffer.alloc === 'function') {
+    return Buffer.alloc(size, fill, encoding);
+  }
+  if (typeof encoding === 'number') {
+    throw new TypeError('encoding must not be number');
+  }
+  if (typeof size !== 'number') {
+    throw new TypeError('size must be a number');
+  }
+  if (size > MAX_LEN) {
+    throw new RangeError('size is too large');
+  }
+  var enc = encoding;
+  var _fill = fill;
+  if (_fill === undefined) {
+    enc = undefined;
+    _fill = 0;
+  }
+  var buf = new Buffer(size);
+  if (typeof _fill === 'string') {
+    var fillBuf = new Buffer(_fill, enc);
+    var flen = fillBuf.length;
+    var i = -1;
+    while (++i < size) {
+      buf[i] = fillBuf[i % flen];
+    }
+  } else {
+    buf.fill(_fill);
+  }
+  return buf;
+}
+exports.allocUnsafe = function allocUnsafe(size) {
+  if (typeof Buffer.allocUnsafe === 'function') {
+    return Buffer.allocUnsafe(size);
+  }
+  if (typeof size !== 'number') {
+    throw new TypeError('size must be a number');
+  }
+  if (size > MAX_LEN) {
+    throw new RangeError('size is too large');
+  }
+  return new Buffer(size);
+}
+exports.from = function from(value, encodingOrOffset, length) {
+  if (typeof Buffer.from === 'function' && (!global.Uint8Array || Uint8Array.from !== Buffer.from)) {
+    return Buffer.from(value, encodingOrOffset, length);
+  }
+  if (typeof value === 'number') {
+    throw new TypeError('"value" argument must not be a number');
+  }
+  if (typeof value === 'string') {
+    return new Buffer(value, encodingOrOffset);
+  }
+  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
+    var offset = encodingOrOffset;
+    if (arguments.length === 1) {
+      return new Buffer(value);
+    }
+    if (typeof offset === 'undefined') {
+      offset = 0;
+    }
+    var len = length;
+    if (typeof len === 'undefined') {
+      len = value.byteLength - offset;
+    }
+    if (offset >= value.byteLength) {
+      throw new RangeError('\'offset\' is out of bounds');
+    }
+    if (len > value.byteLength - offset) {
+      throw new RangeError('\'length\' is out of bounds');
+    }
+    return new Buffer(value.slice(offset, offset + len));
+  }
+  if (Buffer.isBuffer(value)) {
+    var out = new Buffer(value.length);
+    value.copy(out, 0, 0, value.length);
+    return out;
+  }
+  if (value) {
+    if (Array.isArray(value) || (typeof ArrayBuffer !== 'undefined' && value.buffer instanceof ArrayBuffer) || 'length' in value) {
+      return new Buffer(value);
+    }
+    if (value.type === 'Buffer' && Array.isArray(value.data)) {
+      return new Buffer(value.data);
+    }
+  }
+
+  throw new TypeError('First argument must be a string, Buffer, ' + 'ArrayBuffer, Array, or array-like object.');
+}
+exports.allocUnsafeSlow = function allocUnsafeSlow(size) {
+  if (typeof Buffer.allocUnsafeSlow === 'function') {
+    return Buffer.allocUnsafeSlow(size);
+  }
+  if (typeof size !== 'number') {
+    throw new TypeError('size must be a number');
+  }
+  if (size >= MAX_LEN) {
+    throw new RangeError('size is too large');
+  }
+  return new SlowBuffer(size);
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"buffer":22}],22:[function(require,module,exports){
 /*!
  * The buffer module from node.js, for the browser.
  *
@@ -8363,80 +8706,57 @@ util.inherits(Unzip, Zlib);
 
 var base64 = require('base64-js')
 var ieee754 = require('ieee754')
-var isArray = require('isarray')
 
 exports.Buffer = Buffer
 exports.SlowBuffer = SlowBuffer
 exports.INSPECT_MAX_BYTES = 50
 
+var K_MAX_LENGTH = 0x7fffffff
+exports.kMaxLength = K_MAX_LENGTH
+
 /**
  * If `Buffer.TYPED_ARRAY_SUPPORT`:
  *   === true    Use Uint8Array implementation (fastest)
- *   === false   Use Object implementation (most compatible, even IE6)
+ *   === false   Print warning and recommend using `buffer` v4.x which has an Object
+ *               implementation (most compatible, even IE6)
  *
  * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
  * Opera 11.6+, iOS 4.2+.
  *
- * Due to various browser bugs, sometimes the Object implementation will be used even
- * when the browser supports typed arrays.
- *
- * Note:
- *
- *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
- *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
- *
- *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
- *
- *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
- *     incorrect length in some situations.
-
- * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
- * get the Object implementation, which is slower but behaves correctly.
+ * We report that the browser does not support typed arrays if the are not subclassable
+ * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+ * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+ * for __proto__ and has a buggy typed array implementation.
  */
-Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
-  ? global.TYPED_ARRAY_SUPPORT
-  : typedArraySupport()
+Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()
 
-/*
- * Export kMaxLength after typed array support is determined.
- */
-exports.kMaxLength = kMaxLength()
+if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
+    typeof console.error === 'function') {
+  console.error(
+    'This browser lacks typed array (Uint8Array) support which is required by ' +
+    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
+  )
+}
 
 function typedArraySupport () {
+  // Can typed array instances can be augmented?
   try {
     var arr = new Uint8Array(1)
-    arr.foo = function () { return 42 }
-    return arr.foo() === 42 && // typed array instances can be augmented
-        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
-        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
+    arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
+    return arr.foo() === 42
   } catch (e) {
     return false
   }
 }
 
-function kMaxLength () {
-  return Buffer.TYPED_ARRAY_SUPPORT
-    ? 0x7fffffff
-    : 0x3fffffff
-}
-
-function createBuffer (that, length) {
-  if (kMaxLength() < length) {
+function createBuffer (length) {
+  if (length > K_MAX_LENGTH) {
     throw new RangeError('Invalid typed array length')
   }
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    // Return an augmented `Uint8Array` instance, for best performance
-    that = new Uint8Array(length)
-    that.__proto__ = Buffer.prototype
-  } else {
-    // Fallback: Return an object instance of the Buffer class
-    if (that === null) {
-      that = new Buffer(length)
-    }
-    that.length = length
-  }
-
-  return that
+  // Return an augmented `Uint8Array` instance
+  var buf = new Uint8Array(length)
+  buf.__proto__ = Buffer.prototype
+  return buf
 }
 
 /**
@@ -8450,10 +8770,6 @@ function createBuffer (that, length) {
  */
 
 function Buffer (arg, encodingOrOffset, length) {
-  if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
-    return new Buffer(arg, encodingOrOffset, length)
-  }
-
   // Common case.
   if (typeof arg === 'number') {
     if (typeof encodingOrOffset === 'string') {
@@ -8461,33 +8777,38 @@ function Buffer (arg, encodingOrOffset, length) {
         'If encoding is specified then the first argument must be a string'
       )
     }
-    return allocUnsafe(this, arg)
+    return allocUnsafe(arg)
   }
-  return from(this, arg, encodingOrOffset, length)
+  return from(arg, encodingOrOffset, length)
 }
 
-Buffer.poolSize = 8192 // not used by this implementation
-
-// TODO: Legacy, not needed anymore. Remove in next major version.
-Buffer._augment = function (arr) {
-  arr.__proto__ = Buffer.prototype
-  return arr
+// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+if (typeof Symbol !== 'undefined' && Symbol.species &&
+    Buffer[Symbol.species] === Buffer) {
+  Object.defineProperty(Buffer, Symbol.species, {
+    value: null,
+    configurable: true,
+    enumerable: false,
+    writable: false
+  })
 }
 
-function from (that, value, encodingOrOffset, length) {
+Buffer.poolSize = 8192 // not used by this implementation
+
+function from (value, encodingOrOffset, length) {
   if (typeof value === 'number') {
     throw new TypeError('"value" argument must not be a number')
   }
 
-  if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
-    return fromArrayBuffer(that, value, encodingOrOffset, length)
+  if (value instanceof ArrayBuffer) {
+    return fromArrayBuffer(value, encodingOrOffset, length)
   }
 
   if (typeof value === 'string') {
-    return fromString(that, value, encodingOrOffset)
+    return fromString(value, encodingOrOffset)
   }
 
-  return fromObject(that, value)
+  return fromObject(value)
 }
 
 /**
@@ -8499,42 +8820,36 @@ function from (that, value, encodingOrOffset, length) {
  * Buffer.from(arrayBuffer[, byteOffset[, length]])
  **/
 Buffer.from = function (value, encodingOrOffset, length) {
-  return from(null, value, encodingOrOffset, length)
+  return from(value, encodingOrOffset, length)
 }
 
-if (Buffer.TYPED_ARRAY_SUPPORT) {
-  Buffer.prototype.__proto__ = Uint8Array.prototype
-  Buffer.__proto__ = Uint8Array
-  if (typeof Symbol !== 'undefined' && Symbol.species &&
-      Buffer[Symbol.species] === Buffer) {
-    // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
-    Object.defineProperty(Buffer, Symbol.species, {
-      value: null,
-      configurable: true
-    })
-  }
-}
+// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+// https://github.com/feross/buffer/pull/148
+Buffer.prototype.__proto__ = Uint8Array.prototype
+Buffer.__proto__ = Uint8Array
 
 function assertSize (size) {
   if (typeof size !== 'number') {
     throw new TypeError('"size" argument must be a number')
+  } else if (size < 0) {
+    throw new RangeError('"size" argument must not be negative')
   }
 }
 
-function alloc (that, size, fill, encoding) {
+function alloc (size, fill, encoding) {
   assertSize(size)
   if (size <= 0) {
-    return createBuffer(that, size)
+    return createBuffer(size)
   }
   if (fill !== undefined) {
     // Only pay attention to encoding if it's a string. This
     // prevents accidentally sending in a number that would
     // be interpretted as a start offset.
     return typeof encoding === 'string'
-      ? createBuffer(that, size).fill(fill, encoding)
-      : createBuffer(that, size).fill(fill)
+      ? createBuffer(size).fill(fill, encoding)
+      : createBuffer(size).fill(fill)
   }
-  return createBuffer(that, size)
+  return createBuffer(size)
 }
 
 /**
@@ -8542,34 +8857,28 @@ function alloc (that, size, fill, encoding) {
  * alloc(size[, fill[, encoding]])
  **/
 Buffer.alloc = function (size, fill, encoding) {
-  return alloc(null, size, fill, encoding)
+  return alloc(size, fill, encoding)
 }
 
-function allocUnsafe (that, size) {
+function allocUnsafe (size) {
   assertSize(size)
-  that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) {
-    for (var i = 0; i < size; i++) {
-      that[i] = 0
-    }
-  }
-  return that
+  return createBuffer(size < 0 ? 0 : checked(size) | 0)
 }
 
 /**
  * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
  * */
 Buffer.allocUnsafe = function (size) {
-  return allocUnsafe(null, size)
+  return allocUnsafe(size)
 }
 /**
  * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
  */
 Buffer.allocUnsafeSlow = function (size) {
-  return allocUnsafe(null, size)
+  return allocUnsafe(size)
 }
 
-function fromString (that, string, encoding) {
+function fromString (string, encoding) {
   if (typeof encoding !== 'string' || encoding === '') {
     encoding = 'utf8'
   }
@@ -8579,24 +8888,30 @@ function fromString (that, string, encoding) {
   }
 
   var length = byteLength(string, encoding) | 0
-  that = createBuffer(that, length)
+  var buf = createBuffer(length)
+
+  var actual = buf.write(string, encoding)
+
+  if (actual !== length) {
+    // Writing a hex string, for example, that contains invalid characters will
+    // cause everything after the first invalid character to be ignored. (e.g.
+    // 'abxxcd' will be treated as 'ab')
+    buf = buf.slice(0, actual)
+  }
 
-  that.write(string, encoding)
-  return that
+  return buf
 }
 
-function fromArrayLike (that, array) {
-  var length = checked(array.length) | 0
-  that = createBuffer(that, length)
+function fromArrayLike (array) {
+  var length = array.length < 0 ? 0 : checked(array.length) | 0
+  var buf = createBuffer(length)
   for (var i = 0; i < length; i += 1) {
-    that[i] = array[i] & 255
+    buf[i] = array[i] & 255
   }
-  return that
+  return buf
 }
 
-function fromArrayBuffer (that, array, byteOffset, length) {
-  array.byteLength // this throws if `array` is not a valid ArrayBuffer
-
+function fromArrayBuffer (array, byteOffset, length) {
   if (byteOffset < 0 || array.byteLength < byteOffset) {
     throw new RangeError('\'offset\' is out of bounds')
   }
@@ -8605,47 +8920,43 @@ function fromArrayBuffer (that, array, byteOffset, length) {
     throw new RangeError('\'length\' is out of bounds')
   }
 
-  if (length === undefined) {
-    array = new Uint8Array(array, byteOffset)
+  var buf
+  if (byteOffset === undefined && length === undefined) {
+    buf = new Uint8Array(array)
+  } else if (length === undefined) {
+    buf = new Uint8Array(array, byteOffset)
   } else {
-    array = new Uint8Array(array, byteOffset, length)
+    buf = new Uint8Array(array, byteOffset, length)
   }
 
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    // Return an augmented `Uint8Array` instance, for best performance
-    that = array
-    that.__proto__ = Buffer.prototype
-  } else {
-    // Fallback: Return an object instance of the Buffer class
-    that = fromArrayLike(that, array)
-  }
-  return that
+  // Return an augmented `Uint8Array` instance
+  buf.__proto__ = Buffer.prototype
+  return buf
 }
 
-function fromObject (that, obj) {
+function fromObject (obj) {
   if (Buffer.isBuffer(obj)) {
     var len = checked(obj.length) | 0
-    that = createBuffer(that, len)
+    var buf = createBuffer(len)
 
-    if (that.length === 0) {
-      return that
+    if (buf.length === 0) {
+      return buf
     }
 
-    obj.copy(that, 0, 0, len)
-    return that
+    obj.copy(buf, 0, 0, len)
+    return buf
   }
 
   if (obj) {
-    if ((typeof ArrayBuffer !== 'undefined' &&
-        obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
+    if (ArrayBuffer.isView(obj) || 'length' in obj) {
       if (typeof obj.length !== 'number' || isnan(obj.length)) {
-        return createBuffer(that, 0)
+        return createBuffer(0)
       }
-      return fromArrayLike(that, obj)
+      return fromArrayLike(obj)
     }
 
-    if (obj.type === 'Buffer' && isArray(obj.data)) {
-      return fromArrayLike(that, obj.data)
+    if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+      return fromArrayLike(obj.data)
     }
   }
 
@@ -8653,11 +8964,11 @@ function fromObject (that, obj) {
 }
 
 function checked (length) {
-  // Note: cannot use `length < kMaxLength` here because that fails when
+  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
   // length is NaN (which is otherwise coerced to zero.)
-  if (length >= kMaxLength()) {
+  if (length >= K_MAX_LENGTH) {
     throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
-                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
+                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
   }
   return length | 0
 }
@@ -8670,7 +8981,7 @@ function SlowBuffer (length) {
 }
 
 Buffer.isBuffer = function isBuffer (b) {
-  return !!(b != null && b._isBuffer)
+  return b != null && b._isBuffer === true
 }
 
 Buffer.compare = function compare (a, b) {
@@ -8702,9 +9013,9 @@ Buffer.isEncoding = function isEncoding (encoding) {
     case 'utf8':
     case 'utf-8':
     case 'ascii':
+    case 'latin1':
     case 'binary':
     case 'base64':
-    case 'raw':
     case 'ucs2':
     case 'ucs-2':
     case 'utf16le':
@@ -8716,7 +9027,7 @@ Buffer.isEncoding = function isEncoding (encoding) {
 }
 
 Buffer.concat = function concat (list, length) {
-  if (!isArray(list)) {
+  if (!Array.isArray(list)) {
     throw new TypeError('"list" argument must be an Array of Buffers')
   }
 
@@ -8727,14 +9038,14 @@ Buffer.concat = function concat (list, length) {
   var i
   if (length === undefined) {
     length = 0
-    for (i = 0; i < list.length; i++) {
+    for (i = 0; i < list.length; ++i) {
       length += list[i].length
     }
   }
 
   var buffer = Buffer.allocUnsafe(length)
   var pos = 0
-  for (i = 0; i < list.length; i++) {
+  for (i = 0; i < list.length; ++i) {
     var buf = list[i]
     if (!Buffer.isBuffer(buf)) {
       throw new TypeError('"list" argument must be an Array of Buffers')
@@ -8749,8 +9060,7 @@ function byteLength (string, encoding) {
   if (Buffer.isBuffer(string)) {
     return string.length
   }
-  if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
-      (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
+  if (ArrayBuffer.isView(string) || string instanceof ArrayBuffer) {
     return string.byteLength
   }
   if (typeof string !== 'string') {
@@ -8765,10 +9075,8 @@ function byteLength (string, encoding) {
   for (;;) {
     switch (encoding) {
       case 'ascii':
+      case 'latin1':
       case 'binary':
-      // Deprecated
-      case 'raw':
-      case 'raws':
         return len
       case 'utf8':
       case 'utf-8':
@@ -8841,8 +9149,9 @@ function slowToString (encoding, start, end) {
       case 'ascii':
         return asciiSlice(this, start, end)
 
+      case 'latin1':
       case 'binary':
-        return binarySlice(this, start, end)
+        return latin1Slice(this, start, end)
 
       case 'base64':
         return base64Slice(this, start, end)
@@ -8861,8 +9170,12 @@ function slowToString (encoding, start, end) {
   }
 }
 
-// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
-// Buffer instances.
+// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+// reliably in a browserify context because there could be multiple different
+// copies of the 'buffer' package in use. This method works even for Buffer
+// instances that were created from another copy of the `buffer` package.
+// See: https://github.com/feross/buffer/issues/154
 Buffer.prototype._isBuffer = true
 
 function swap (b, n, m) {
@@ -8894,8 +9207,22 @@ Buffer.prototype.swap32 = function swap32 () {
   return this
 }
 
+Buffer.prototype.swap64 = function swap64 () {
+  var len = this.length
+  if (len % 8 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 64-bits')
+  }
+  for (var i = 0; i < len; i += 8) {
+    swap(this, i, i + 7)
+    swap(this, i + 1, i + 6)
+    swap(this, i + 2, i + 5)
+    swap(this, i + 3, i + 4)
+  }
+  return this
+}
+
 Buffer.prototype.toString = function toString () {
-  var length = this.length | 0
+  var length = this.length
   if (length === 0) return ''
   if (arguments.length === 0) return utf8Slice(this, 0, length)
   return slowToString.apply(this, arguments)
@@ -8976,7 +9303,72 @@ Buffer.prototype.compare = function compare (target, start, end, thisStart, this
   return 0
 }
 
-function arrayIndexOf (arr, val, byteOffset, encoding) {
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+  // Empty buffer means no match
+  if (buffer.length === 0) return -1
+
+  // Normalize byteOffset
+  if (typeof byteOffset === 'string') {
+    encoding = byteOffset
+    byteOffset = 0
+  } else if (byteOffset > 0x7fffffff) {
+    byteOffset = 0x7fffffff
+  } else if (byteOffset < -0x80000000) {
+    byteOffset = -0x80000000
+  }
+  byteOffset = +byteOffset  // Coerce to Number.
+  if (isNaN(byteOffset)) {
+    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+    byteOffset = dir ? 0 : (buffer.length - 1)
+  }
+
+  // Normalize byteOffset: negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+  if (byteOffset >= buffer.length) {
+    if (dir) return -1
+    else byteOffset = buffer.length - 1
+  } else if (byteOffset < 0) {
+    if (dir) byteOffset = 0
+    else return -1
+  }
+
+  // Normalize val
+  if (typeof val === 'string') {
+    val = Buffer.from(val, encoding)
+  }
+
+  // Finally, search either indexOf (if dir is true) or lastIndexOf
+  if (Buffer.isBuffer(val)) {
+    // Special case: looking for empty string/buffer always fails
+    if (val.length === 0) {
+      return -1
+    }
+    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+  } else if (typeof val === 'number') {
+    val = val & 0xFF // Search for a byte value [0-255]
+    if (typeof Uint8Array.prototype.indexOf === 'function') {
+      if (dir) {
+        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+      } else {
+        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+      }
+    }
+    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
   var indexSize = 1
   var arrLength = arr.length
   var valLength = val.length
@@ -9003,61 +9395,47 @@ function arrayIndexOf (arr, val, byteOffset, encoding) {
     }
   }
 
-  var foundIndex = -1
-  for (var i = 0; byteOffset + i < arrLength; i++) {
-    if (read(arr, byteOffset + i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
-      if (foundIndex === -1) foundIndex = i
-      if (i - foundIndex + 1 === valLength) return (byteOffset + foundIndex) * indexSize
-    } else {
-      if (foundIndex !== -1) i -= i - foundIndex
-      foundIndex = -1
+  var i
+  if (dir) {
+    var foundIndex = -1
+    for (i = byteOffset; i < arrLength; i++) {
+      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+        if (foundIndex === -1) foundIndex = i
+        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+      } else {
+        if (foundIndex !== -1) i -= i - foundIndex
+        foundIndex = -1
+      }
     }
-  }
-  return -1
-}
-
-Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
-  if (typeof byteOffset === 'string') {
-    encoding = byteOffset
-    byteOffset = 0
-  } else if (byteOffset > 0x7fffffff) {
-    byteOffset = 0x7fffffff
-  } else if (byteOffset < -0x80000000) {
-    byteOffset = -0x80000000
-  }
-  byteOffset >>= 0
-
-  if (this.length === 0) return -1
-  if (byteOffset >= this.length) return -1
-
-  // Negative offsets start from the end of the buffer
-  if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0)
-
-  if (typeof val === 'string') {
-    val = Buffer.from(val, encoding)
-  }
-
-  if (Buffer.isBuffer(val)) {
-    // special case: looking for empty string/buffer always fails
-    if (val.length === 0) {
-      return -1
-    }
-    return arrayIndexOf(this, val, byteOffset, encoding)
-  }
-  if (typeof val === 'number') {
-    if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') {
-      return Uint8Array.prototype.indexOf.call(this, val, byteOffset)
+  } else {
+    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+    for (i = byteOffset; i >= 0; i--) {
+      var found = true
+      for (var j = 0; j < valLength; j++) {
+        if (read(arr, i + j) !== read(val, j)) {
+          found = false
+          break
+        }
+      }
+      if (found) return i
     }
-    return arrayIndexOf(this, [ val ], byteOffset, encoding)
   }
 
-  throw new TypeError('val must be string, number or Buffer')
+  return -1
 }
 
 Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
   return this.indexOf(val, byteOffset, encoding) !== -1
 }
 
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
 function hexWrite (buf, string, offset, length) {
   offset = Number(offset) || 0
   var remaining = buf.length - offset
@@ -9072,12 +9450,12 @@ function hexWrite (buf, string, offset, length) {
 
   // must be an even number of digits
   var strLen = string.length
-  if (strLen % 2 !== 0) throw new Error('Invalid hex string')
+  if (strLen % 2 !== 0) throw new TypeError('Invalid hex string')
 
   if (length > strLen / 2) {
     length = strLen / 2
   }
-  for (var i = 0; i < length; i++) {
+  for (var i = 0; i < length; ++i) {
     var parsed = parseInt(string.substr(i * 2, 2), 16)
     if (isNaN(parsed)) return i
     buf[offset + i] = parsed
@@ -9093,7 +9471,7 @@ function asciiWrite (buf, string, offset, length) {
   return blitBuffer(asciiToBytes(string), buf, offset, length)
 }
 
-function binaryWrite (buf, string, offset, length) {
+function latin1Write (buf, string, offset, length) {
   return asciiWrite(buf, string, offset, length)
 }
 
@@ -9118,15 +9496,14 @@ Buffer.prototype.write = function write (string, offset, length, encoding) {
     offset = 0
   // Buffer#write(string, offset[, length][, encoding])
   } else if (isFinite(offset)) {
-    offset = offset | 0
+    offset = offset >>> 0
     if (isFinite(length)) {
-      length = length | 0
+      length = length >>> 0
       if (encoding === undefined) encoding = 'utf8'
     } else {
       encoding = length
       length = undefined
     }
-  // legacy write(string, encoding, offset, length) - remove in v0.13
   } else {
     throw new Error(
       'Buffer.write(string, encoding, offset[, length]) is no longer supported'
@@ -9155,8 +9532,9 @@ Buffer.prototype.write = function write (string, offset, length, encoding) {
       case 'ascii':
         return asciiWrite(this, string, offset, length)
 
+      case 'latin1':
       case 'binary':
-        return binaryWrite(this, string, offset, length)
+        return latin1Write(this, string, offset, length)
 
       case 'base64':
         // Warning: maxLength not taken into account in base64Write
@@ -9291,17 +9669,17 @@ function asciiSlice (buf, start, end) {
   var ret = ''
   end = Math.min(buf.length, end)
 
-  for (var i = start; i < end; i++) {
+  for (var i = start; i < end; ++i) {
     ret += String.fromCharCode(buf[i] & 0x7F)
   }
   return ret
 }
 
-function binarySlice (buf, start, end) {
+function latin1Slice (buf, start, end) {
   var ret = ''
   end = Math.min(buf.length, end)
 
-  for (var i = start; i < end; i++) {
+  for (var i = start; i < end; ++i) {
     ret += String.fromCharCode(buf[i])
   }
   return ret
@@ -9314,7 +9692,7 @@ function hexSlice (buf, start, end) {
   if (!end || end < 0 || end > len) end = len
 
   var out = ''
-  for (var i = start; i < end; i++) {
+  for (var i = start; i < end; ++i) {
     out += toHex(buf[i])
   }
   return out
@@ -9324,7 +9702,7 @@ function utf16leSlice (buf, start, end) {
   var bytes = buf.slice(start, end)
   var res = ''
   for (var i = 0; i < bytes.length; i += 2) {
-    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
+    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
   }
   return res
 }
@@ -9350,18 +9728,9 @@ Buffer.prototype.slice = function slice (start, end) {
 
   if (end < start) end = start
 
-  var newBuf
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    newBuf = this.subarray(start, end)
-    newBuf.__proto__ = Buffer.prototype
-  } else {
-    var sliceLen = end - start
-    newBuf = new Buffer(sliceLen, undefined)
-    for (var i = 0; i < sliceLen; i++) {
-      newBuf[i] = this[i + start]
-    }
-  }
-
+  var newBuf = this.subarray(start, end)
+  // Return an augmented `Uint8Array` instance
+  newBuf.__proto__ = Buffer.prototype
   return newBuf
 }
 
@@ -9374,8 +9743,8 @@ function checkOffset (offset, ext, length) {
 }
 
 Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
   if (!noAssert) checkOffset(offset, byteLength, this.length)
 
   var val = this[offset]
@@ -9389,8 +9758,8 @@ Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert)
 }
 
 Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
   if (!noAssert) {
     checkOffset(offset, byteLength, this.length)
   }
@@ -9405,21 +9774,25 @@ Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert)
 }
 
 Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 1, this.length)
   return this[offset]
 }
 
 Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 2, this.length)
   return this[offset] | (this[offset + 1] << 8)
 }
 
 Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 2, this.length)
   return (this[offset] << 8) | this[offset + 1]
 }
 
 Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 4, this.length)
 
   return ((this[offset]) |
@@ -9429,6 +9802,7 @@ Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
 }
 
 Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 4, this.length)
 
   return (this[offset] * 0x1000000) +
@@ -9438,8 +9812,8 @@ Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
 }
 
 Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
   if (!noAssert) checkOffset(offset, byteLength, this.length)
 
   var val = this[offset]
@@ -9456,8 +9830,8 @@ Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
 }
 
 Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
-  offset = offset | 0
-  byteLength = byteLength | 0
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
   if (!noAssert) checkOffset(offset, byteLength, this.length)
 
   var i = byteLength
@@ -9474,24 +9848,28 @@ Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
 }
 
 Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 1, this.length)
   if (!(this[offset] & 0x80)) return (this[offset])
   return ((0xff - this[offset] + 1) * -1)
 }
 
 Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 2, this.length)
   var val = this[offset] | (this[offset + 1] << 8)
   return (val & 0x8000) ? val | 0xFFFF0000 : val
 }
 
 Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 2, this.length)
   var val = this[offset + 1] | (this[offset] << 8)
   return (val & 0x8000) ? val | 0xFFFF0000 : val
 }
 
 Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 4, this.length)
 
   return (this[offset]) |
@@ -9501,6 +9879,7 @@ Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
 }
 
 Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 4, this.length)
 
   return (this[offset] << 24) |
@@ -9510,21 +9889,25 @@ Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
 }
 
 Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 4, this.length)
   return ieee754.read(this, offset, true, 23, 4)
 }
 
 Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 4, this.length)
   return ieee754.read(this, offset, false, 23, 4)
 }
 
 Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 8, this.length)
   return ieee754.read(this, offset, true, 52, 8)
 }
 
 Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  offset = offset >>> 0
   if (!noAssert) checkOffset(offset, 8, this.length)
   return ieee754.read(this, offset, false, 52, 8)
 }
@@ -9537,8 +9920,8 @@ function checkInt (buf, value, offset, ext, max, min) {
 
 Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
   value = +value
-  offset = offset | 0
-  byteLength = byteLength | 0
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
   if (!noAssert) {
     var maxBytes = Math.pow(2, 8 * byteLength) - 1
     checkInt(this, value, offset, byteLength, maxBytes, 0)
@@ -9556,8 +9939,8 @@ Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength,
 
 Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
   value = +value
-  offset = offset | 0
-  byteLength = byteLength | 0
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
   if (!noAssert) {
     var maxBytes = Math.pow(2, 8 * byteLength) - 1
     checkInt(this, value, offset, byteLength, maxBytes, 0)
@@ -9575,89 +9958,57 @@ Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength,
 
 Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
   this[offset] = (value & 0xff)
   return offset + 1
 }
 
-function objectWriteUInt16 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffff + value + 1
-  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) {
-    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
-      (littleEndian ? i : 1 - i) * 8
-  }
-}
-
 Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-  } else {
-    objectWriteUInt16(this, value, offset, true)
-  }
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
   return offset + 2
 }
 
 Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8)
-    this[offset + 1] = (value & 0xff)
-  } else {
-    objectWriteUInt16(this, value, offset, false)
-  }
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
   return offset + 2
 }
 
-function objectWriteUInt32 (buf, value, offset, littleEndian) {
-  if (value < 0) value = 0xffffffff + value + 1
-  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) {
-    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
-  }
-}
-
 Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset + 3] = (value >>> 24)
-    this[offset + 2] = (value >>> 16)
-    this[offset + 1] = (value >>> 8)
-    this[offset] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, true)
-  }
+  this[offset + 3] = (value >>> 24)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 1] = (value >>> 8)
+  this[offset] = (value & 0xff)
   return offset + 4
 }
 
 Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24)
-    this[offset + 1] = (value >>> 16)
-    this[offset + 2] = (value >>> 8)
-    this[offset + 3] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, false)
-  }
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
   return offset + 4
 }
 
 Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) {
-    var limit = Math.pow(2, 8 * byteLength - 1)
+    var limit = Math.pow(2, (8 * byteLength) - 1)
 
     checkInt(this, value, offset, byteLength, limit - 1, -limit)
   }
@@ -9678,9 +10029,9 @@ Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, no
 
 Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) {
-    var limit = Math.pow(2, 8 * byteLength - 1)
+    var limit = Math.pow(2, (8 * byteLength) - 1)
 
     checkInt(this, value, offset, byteLength, limit - 1, -limit)
   }
@@ -9701,9 +10052,8 @@ Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, no
 
 Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
-  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
   if (value < 0) value = 0xff + value + 1
   this[offset] = (value & 0xff)
   return offset + 1
@@ -9711,58 +10061,42 @@ Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
 
 Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-  } else {
-    objectWriteUInt16(this, value, offset, true)
-  }
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
   return offset + 2
 }
 
 Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 8)
-    this[offset + 1] = (value & 0xff)
-  } else {
-    objectWriteUInt16(this, value, offset, false)
-  }
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
   return offset + 2
 }
 
 Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value & 0xff)
-    this[offset + 1] = (value >>> 8)
-    this[offset + 2] = (value >>> 16)
-    this[offset + 3] = (value >>> 24)
-  } else {
-    objectWriteUInt32(this, value, offset, true)
-  }
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 3] = (value >>> 24)
   return offset + 4
 }
 
 Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
   value = +value
-  offset = offset | 0
+  offset = offset >>> 0
   if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
   if (value < 0) value = 0xffffffff + value + 1
-  if (Buffer.TYPED_ARRAY_SUPPORT) {
-    this[offset] = (value >>> 24)
-    this[offset + 1] = (value >>> 16)
-    this[offset + 2] = (value >>> 8)
-    this[offset + 3] = (value & 0xff)
-  } else {
-    objectWriteUInt32(this, value, offset, false)
-  }
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
   return offset + 4
 }
 
@@ -9772,6 +10106,8 @@ function checkIEEE754 (buf, value, offset, ext, max, min) {
 }
 
 function writeFloat (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
   if (!noAssert) {
     checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
   }
@@ -9788,6 +10124,8 @@ Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert)
 }
 
 function writeDouble (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
   if (!noAssert) {
     checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
   }
@@ -9833,12 +10171,12 @@ Buffer.prototype.copy = function copy (target, targetStart, start, end) {
 
   if (this === target && start < targetStart && targetStart < end) {
     // descending copy from end
-    for (i = len - 1; i >= 0; i--) {
+    for (i = len - 1; i >= 0; --i) {
       target[i + targetStart] = this[i + start]
     }
-  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
+  } else if (len < 1000) {
     // ascending copy from start
-    for (i = 0; i < len; i++) {
+    for (i = 0; i < len; ++i) {
       target[i + targetStart] = this[i + start]
     }
   } else {
@@ -9899,15 +10237,15 @@ Buffer.prototype.fill = function fill (val, start, end, encoding) {
 
   var i
   if (typeof val === 'number') {
-    for (i = start; i < end; i++) {
+    for (i = start; i < end; ++i) {
       this[i] = val
     }
   } else {
     var bytes = Buffer.isBuffer(val)
       ? val
-      : utf8ToBytes(new Buffer(val, encoding).toString())
+      : new Buffer(val, encoding)
     var len = bytes.length
-    for (i = 0; i < end - start; i++) {
+    for (i = 0; i < end - start; ++i) {
       this[i + start] = bytes[i % len]
     }
   }
@@ -9918,7 +10256,7 @@ Buffer.prototype.fill = function fill (val, start, end, encoding) {
 // HELPER FUNCTIONS
 // ================
 
-var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
+var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g
 
 function base64clean (str) {
   // Node strips out invalid characters like \n and \t from the string, base64-js does not
@@ -9949,7 +10287,7 @@ function utf8ToBytes (string, units) {
   var leadSurrogate = null
   var bytes = []
 
-  for (var i = 0; i < length; i++) {
+  for (var i = 0; i < length; ++i) {
     codePoint = string.charCodeAt(i)
 
     // is surrogate component
@@ -10024,7 +10362,7 @@ function utf8ToBytes (string, units) {
 
 function asciiToBytes (str) {
   var byteArray = []
-  for (var i = 0; i < str.length; i++) {
+  for (var i = 0; i < str.length; ++i) {
     // Node's code seems to be doing this and not & 0x7F..
     byteArray.push(str.charCodeAt(i) & 0xFF)
   }
@@ -10034,7 +10372,7 @@ function asciiToBytes (str) {
 function utf16leToBytes (str, units) {
   var c, hi, lo
   var byteArray = []
-  for (var i = 0; i < str.length; i++) {
+  for (var i = 0; i < str.length; ++i) {
     if ((units -= 2) < 0) break
 
     c = str.charCodeAt(i)
@@ -10052,7 +10390,7 @@ function base64ToBytes (str) {
 }
 
 function blitBuffer (src, dst, offset, length) {
-  for (var i = 0; i < length; i++) {
+  for (var i = 0; i < length; ++i) {
     if ((i + offset >= dst.length) || (i >= src.length)) break
     dst[i + offset] = src[i]
   }
@@ -10063,8 +10401,7 @@ function isnan (val) {
   return val !== val // eslint-disable-line no-self-compare
 }
 
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"base64-js":17,"ieee754":26,"isarray":30}],22:[function(require,module,exports){
+},{"base64-js":17,"ieee754":25}],23:[function(require,module,exports){
 (function (Buffer){
 // Copyright Joyent, Inc. and other Node contributors.
 //
@@ -10175,376 +10512,7 @@ function objectToString(o) {
 }
 
 }).call(this,{"isBuffer":require("../../is-buffer/index.js")})
-},{"../../is-buffer/index.js":29}],23:[function(require,module,exports){
-
-/**
- * This is the web browser implementation of `debug()`.
- *
- * Expose `debug()` as the module.
- */
-
-exports = module.exports = require('./debug');
-exports.log = log;
-exports.formatArgs = formatArgs;
-exports.save = save;
-exports.load = load;
-exports.useColors = useColors;
-exports.storage = 'undefined' != typeof chrome
-               && 'undefined' != typeof chrome.storage
-                  ? chrome.storage.local
-                  : localstorage();
-
-/**
- * Colors.
- */
-
-exports.colors = [
-  'lightseagreen',
-  'forestgreen',
-  'goldenrod',
-  'dodgerblue',
-  'darkorchid',
-  'crimson'
-];
-
-/**
- * Currently only WebKit-based Web Inspectors, Firefox >= v31,
- * and the Firebug extension (any Firefox version) are known
- * to support "%c" CSS customizations.
- *
- * TODO: add a `localStorage` variable to explicitly enable/disable colors
- */
-
-function useColors() {
-  // is webkit? http://stackoverflow.com/a/16459606/376773
-  return ('WebkitAppearance' in document.documentElement.style) ||
-    // is firebug? http://stackoverflow.com/a/398120/376773
-    (window.console && (console.firebug || (console.exception && console.table))) ||
-    // is firefox >= v31?
-    // https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
-    (navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31);
-}
-
-/**
- * Map %j to `JSON.stringify()`, since no Web Inspectors do that by default.
- */
-
-exports.formatters.j = function(v) {
-  return JSON.stringify(v);
-};
-
-
-/**
- * Colorize log arguments if enabled.
- *
- * @api public
- */
-
-function formatArgs() {
-  var args = arguments;
-  var useColors = this.useColors;
-
-  args[0] = (useColors ? '%c' : '')
-    + this.namespace
-    + (useColors ? ' %c' : ' ')
-    + args[0]
-    + (useColors ? '%c ' : ' ')
-    + '+' + exports.humanize(this.diff);
-
-  if (!useColors) return args;
-
-  var c = 'color: ' + this.color;
-  args = [args[0], c, 'color: inherit'].concat(Array.prototype.slice.call(args, 1));
-
-  // the final "%c" is somewhat tricky, because there could be other
-  // arguments passed either before or after the %c, so we need to
-  // figure out the correct index to insert the CSS into
-  var index = 0;
-  var lastC = 0;
-  args[0].replace(/%[a-z%]/g, function(match) {
-    if ('%%' === match) return;
-    index++;
-    if ('%c' === match) {
-      // we only are interested in the *last* %c
-      // (the user may have provided their own)
-      lastC = index;
-    }
-  });
-
-  args.splice(lastC, 0, c);
-  return args;
-}
-
-/**
- * Invokes `console.log()` when available.
- * No-op when `console.log` is not a "function".
- *
- * @api public
- */
-
-function log() {
-  // this hackery is required for IE8/9, where
-  // the `console.log` function doesn't have 'apply'
-  return 'object' === typeof console
-    && console.log
-    && Function.prototype.apply.call(console.log, console, arguments);
-}
-
-/**
- * Save `namespaces`.
- *
- * @param {String} namespaces
- * @api private
- */
-
-function save(namespaces) {
-  try {
-    if (null == namespaces) {
-      exports.storage.removeItem('debug');
-    } else {
-      exports.storage.debug = namespaces;
-    }
-  } catch(e) {}
-}
-
-/**
- * Load `namespaces`.
- *
- * @return {String} returns the previously persisted debug modes
- * @api private
- */
-
-function load() {
-  var r;
-  try {
-    r = exports.storage.debug;
-  } catch(e) {}
-  return r;
-}
-
-/**
- * Enable namespaces listed in `localStorage.debug` initially.
- */
-
-exports.enable(load());
-
-/**
- * Localstorage attempts to return the localstorage.
- *
- * This is necessary because safari throws
- * when a user disables cookies/localstorage
- * and you attempt to access it.
- *
- * @return {LocalStorage}
- * @api private
- */
-
-function localstorage(){
-  try {
-    return window.localStorage;
-  } catch (e) {}
-}
-
-},{"./debug":24}],24:[function(require,module,exports){
-
-/**
- * This is the common logic for both the Node.js and web browser
- * implementations of `debug()`.
- *
- * Expose `debug()` as the module.
- */
-
-exports = module.exports = debug;
-exports.coerce = coerce;
-exports.disable = disable;
-exports.enable = enable;
-exports.enabled = enabled;
-exports.humanize = require('ms');
-
-/**
- * The currently active debug mode names, and names to skip.
- */
-
-exports.names = [];
-exports.skips = [];
-
-/**
- * Map of special "%n" handling functions, for the debug "format" argument.
- *
- * Valid key names are a single, lowercased letter, i.e. "n".
- */
-
-exports.formatters = {};
-
-/**
- * Previously assigned color.
- */
-
-var prevColor = 0;
-
-/**
- * Previous log timestamp.
- */
-
-var prevTime;
-
-/**
- * Select a color.
- *
- * @return {Number}
- * @api private
- */
-
-function selectColor() {
-  return exports.colors[prevColor++ % exports.colors.length];
-}
-
-/**
- * Create a debugger with the given `namespace`.
- *
- * @param {String} namespace
- * @return {Function}
- * @api public
- */
-
-function debug(namespace) {
-
-  // define the `disabled` version
-  function disabled() {
-  }
-  disabled.enabled = false;
-
-  // define the `enabled` version
-  function enabled() {
-
-    var self = enabled;
-
-    // set `diff` timestamp
-    var curr = +new Date();
-    var ms = curr - (prevTime || curr);
-    self.diff = ms;
-    self.prev = prevTime;
-    self.curr = curr;
-    prevTime = curr;
-
-    // add the `color` if not set
-    if (null == self.useColors) self.useColors = exports.useColors();
-    if (null == self.color && self.useColors) self.color = selectColor();
-
-    var args = Array.prototype.slice.call(arguments);
-
-    args[0] = exports.coerce(args[0]);
-
-    if ('string' !== typeof args[0]) {
-      // anything else let's inspect with %o
-      args = ['%o'].concat(args);
-    }
-
-    // apply any `formatters` transformations
-    var index = 0;
-    args[0] = args[0].replace(/%([a-z%])/g, function(match, format) {
-      // if we encounter an escaped % then don't increase the array index
-      if (match === '%%') return match;
-      index++;
-      var formatter = exports.formatters[format];
-      if ('function' === typeof formatter) {
-        var val = args[index];
-        match = formatter.call(self, val);
-
-        // now we need to remove `args[index]` since it's inlined in the `format`
-        args.splice(index, 1);
-        index--;
-      }
-      return match;
-    });
-
-    if ('function' === typeof exports.formatArgs) {
-      args = exports.formatArgs.apply(self, args);
-    }
-    var logFn = enabled.log || exports.log || console.log.bind(console);
-    logFn.apply(self, args);
-  }
-  enabled.enabled = true;
-
-  var fn = exports.enabled(namespace) ? enabled : disabled;
-
-  fn.namespace = namespace;
-
-  return fn;
-}
-
-/**
- * Enables a debug mode by namespaces. This can include modes
- * separated by a colon and wildcards.
- *
- * @param {String} namespaces
- * @api public
- */
-
-function enable(namespaces) {
-  exports.save(namespaces);
-
-  var split = (namespaces || '').split(/[\s,]+/);
-  var len = split.length;
-
-  for (var i = 0; i < len; i++) {
-    if (!split[i]) continue; // ignore empty strings
-    namespaces = split[i].replace(/\*/g, '.*?');
-    if (namespaces[0] === '-') {
-      exports.skips.push(new RegExp('^' + namespaces.substr(1) + '$'));
-    } else {
-      exports.names.push(new RegExp('^' + namespaces + '$'));
-    }
-  }
-}
-
-/**
- * Disable debug output.
- *
- * @api public
- */
-
-function disable() {
-  exports.enable('');
-}
-
-/**
- * Returns true if the given mode name is enabled, false otherwise.
- *
- * @param {String} name
- * @return {Boolean}
- * @api public
- */
-
-function enabled(name) {
-  var i, len;
-  for (i = 0, len = exports.skips.length; i < len; i++) {
-    if (exports.skips[i].test(name)) {
-      return false;
-    }
-  }
-  for (i = 0, len = exports.names.length; i < len; i++) {
-    if (exports.names[i].test(name)) {
-      return true;
-    }
-  }
-  return false;
-}
-
-/**
- * Coerce `val`.
- *
- * @param {Mixed} val
- * @return {Mixed}
- * @api private
- */
-
-function coerce(val) {
-  if (val instanceof Error) return val.stack || val.message;
-  return val;
-}
-
-},{"ms":37}],25:[function(require,module,exports){
+},{"../../is-buffer/index.js":28}],24:[function(require,module,exports){
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -10604,8 +10572,12 @@ EventEmitter.prototype.emit = function(type) {
       er = arguments[1];
       if (er instanceof Error) {
         throw er; // Unhandled 'error' event
+      } else {
+        // At least give some kind of context to the user
+        var err = new Error('Uncaught, unspecified "error" event. (' + er + ')');
+        err.context = er;
+        throw err;
       }
-      throw TypeError('Uncaught, unspecified "error" event.');
     }
   }
 
@@ -10844,7 +10816,7 @@ function isUndefined(arg) {
   return arg === void 0;
 }
 
-},{}],26:[function(require,module,exports){
+},{}],25:[function(require,module,exports){
 exports.read = function (buffer, offset, isLE, mLen, nBytes) {
   var e, m
   var eLen = nBytes * 8 - mLen - 1
@@ -10930,7 +10902,7 @@ exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
   buffer[offset + i - d] |= s * 128
 }
 
-},{}],27:[function(require,module,exports){
+},{}],26:[function(require,module,exports){
 (function (Buffer){
 function readUInt32(buffer, offset, bigEndian) {
 	if (buffer.readUInt32) {
@@ -11164,7 +11136,7 @@ module.exports = function imageInfo(buffer, path) {
 
 
 }).call(this,require("buffer").Buffer)
-},{"buffer":21,"zlib":20}],28:[function(require,module,exports){
+},{"buffer":22,"zlib":20}],27:[function(require,module,exports){
 if (typeof Object.create === 'function') {
   // implementation from standard node.js 'util' module
   module.exports = function inherits(ctor, superCtor) {
@@ -11189,3612 +11161,37 @@ if (typeof Object.create === 'function') {
   }
 }
 
-},{}],29:[function(require,module,exports){
-/**
- * Determine if an object is Buffer
- *
- * Author:   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
- * License:  MIT
+},{}],28:[function(require,module,exports){
+/*!
+ * Determine if an object is a Buffer
  *
- * `npm install is-buffer`
- */
-
-module.exports = function (obj) {
-  return !!(obj != null &&
-    (obj._isBuffer || // For Safari 5-7 (missing Object.prototype.constructor)
-      (obj.constructor &&
-      typeof obj.constructor.isBuffer === 'function' &&
-      obj.constructor.isBuffer(obj))
-    ))
-}
-
-},{}],30:[function(require,module,exports){
-var toString = {}.toString;
-
-module.exports = Array.isArray || function (arr) {
-  return toString.call(arr) == '[object Array]';
-};
-
-},{}],31:[function(require,module,exports){
-/**
- * lodash 4.1.2 (Custom Build) <https://lodash.com/>
- * Build: `lodash modularize exports="npm" -o ./`
- * Copyright jQuery Foundation and other contributors <https://jquery.org/>
- * Released under MIT license <https://lodash.com/license>
- * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- */
-
-/** Used as references for various `Number` constants. */
-var MAX_SAFE_INTEGER = 9007199254740991;
-
-/** `Object#toString` result references. */
-var argsTag = '[object Arguments]',
-    funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    stringTag = '[object String]';
-
-/** Used to detect unsigned integer values. */
-var reIsUint = /^(?:0|[1-9]\d*)$/;
-
-/**
- * The base implementation of `_.times` without support for iteratee shorthands
- * or max array length checks.
- *
- * @private
- * @param {number} n The number of times to invoke `iteratee`.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the array of results.
- */
-function baseTimes(n, iteratee) {
-  var index = -1,
-      result = Array(n);
-
-  while (++index < n) {
-    result[index] = iteratee(index);
-  }
-  return result;
-}
-
-/**
- * Checks if `value` is a valid array-like index.
- *
- * @private
- * @param {*} value The value to check.
- * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
- * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
- */
-function isIndex(value, length) {
-  value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
-  length = length == null ? MAX_SAFE_INTEGER : length;
-  return value > -1 && value % 1 == 0 && value < length;
-}
-
-/** Used for built-in method references. */
-var objectProto = Object.prototype;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty = objectProto.hasOwnProperty;
-
-/**
- * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
- * of values.
- */
-var objectToString = objectProto.toString;
-
-/** Built-in value references. */
-var propertyIsEnumerable = objectProto.propertyIsEnumerable;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeGetPrototype = Object.getPrototypeOf,
-    nativeKeys = Object.keys;
-
-/**
- * The base implementation of `_.forEach` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- */
-var baseEach = createBaseEach(baseForOwn);
-
-/**
- * The base implementation of `baseForOwn` which iterates over `object`
- * properties returned by `keysFunc` invoking `iteratee` for each property.
- * Iteratee functions may exit iteration early by explicitly returning `false`.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {Function} keysFunc The function to get the keys of `object`.
- * @returns {Object} Returns `object`.
- */
-var baseFor = createBaseFor();
-
-/**
- * The base implementation of `_.forOwn` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Object} Returns `object`.
- */
-function baseForOwn(object, iteratee) {
-  return object && baseFor(object, iteratee, keys);
-}
-
-/**
- * The base implementation of `_.has` without support for deep paths.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
-function baseHas(object, key) {
-  // Avoid a bug in IE 10-11 where objects with a [[Prototype]] of `null`,
-  // that are composed entirely of index properties, return `false` for
-  // `hasOwnProperty` checks of them.
-  return hasOwnProperty.call(object, key) ||
-    (typeof object == 'object' && key in object && getPrototype(object) === null);
-}
-
-/**
- * The base implementation of `_.keys` which doesn't skip the constructor
- * property of prototypes or treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
-function baseKeys(object) {
-  return nativeKeys(Object(object));
-}
-
-/**
- * The base implementation of `_.property` without support for deep paths.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new function.
- */
-function baseProperty(key) {
-  return function(object) {
-    return object == null ? undefined : object[key];
-  };
-}
-
-/**
- * Creates a `baseEach` or `baseEachRight` function.
- *
- * @private
- * @param {Function} eachFunc The function to iterate over a collection.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new base function.
- */
-function createBaseEach(eachFunc, fromRight) {
-  return function(collection, iteratee) {
-    if (collection == null) {
-      return collection;
-    }
-    if (!isArrayLike(collection)) {
-      return eachFunc(collection, iteratee);
-    }
-    var length = collection.length,
-        index = fromRight ? length : -1,
-        iterable = Object(collection);
-
-    while ((fromRight ? index-- : ++index < length)) {
-      if (iteratee(iterable[index], index, iterable) === false) {
-        break;
-      }
-    }
-    return collection;
-  };
-}
-
-/**
- * Creates a base function for methods like `_.forIn` and `_.forOwn`.
- *
- * @private
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new base function.
- */
-function createBaseFor(fromRight) {
-  return function(object, iteratee, keysFunc) {
-    var index = -1,
-        iterable = Object(object),
-        props = keysFunc(object),
-        length = props.length;
-
-    while (length--) {
-      var key = props[fromRight ? length : ++index];
-      if (iteratee(iterable[key], key, iterable) === false) {
-        break;
-      }
-    }
-    return object;
-  };
-}
-
-/**
- * Gets the "length" property value of `object`.
- *
- * **Note:** This function is used to avoid a
- * [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) that affects
- * Safari on at least iOS 8.1-8.3 ARM64.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {*} Returns the "length" value.
- */
-var getLength = baseProperty('length');
-
-/**
- * Gets the `[[Prototype]]` of `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {null|Object} Returns the `[[Prototype]]`.
- */
-function getPrototype(value) {
-  return nativeGetPrototype(Object(value));
-}
-
-/**
- * Creates an array of index keys for `object` values of arrays,
- * `arguments` objects, and strings, otherwise `null` is returned.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array|null} Returns index keys, else `null`.
- */
-function indexKeys(object) {
-  var length = object ? object.length : undefined;
-  if (isLength(length) &&
-      (isArray(object) || isString(object) || isArguments(object))) {
-    return baseTimes(length, String);
-  }
-  return null;
-}
-
-/**
- * Checks if `value` is likely a prototype object.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
- */
-function isPrototype(value) {
-  var Ctor = value && value.constructor,
-      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
-
-  return value === proto;
-}
-
-/**
- * Checks if `value` is likely an `arguments` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isArguments(function() { return arguments; }());
- * // => true
- *
- * _.isArguments([1, 2, 3]);
- * // => false
- */
-function isArguments(value) {
-  // Safari 8.1 incorrectly makes `arguments.callee` enumerable in strict mode.
-  return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
-    (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
-}
-
-/**
- * Checks if `value` is classified as an `Array` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @type {Function}
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isArray([1, 2, 3]);
- * // => true
- *
- * _.isArray(document.body.children);
- * // => false
- *
- * _.isArray('abc');
- * // => false
- *
- * _.isArray(_.noop);
- * // => false
- */
-var isArray = Array.isArray;
-
-/**
- * Checks if `value` is array-like. A value is considered array-like if it's
- * not a function and has a `value.length` that's an integer greater than or
- * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
- * @example
- *
- * _.isArrayLike([1, 2, 3]);
- * // => true
- *
- * _.isArrayLike(document.body.children);
- * // => true
- *
- * _.isArrayLike('abc');
- * // => true
- *
- * _.isArrayLike(_.noop);
- * // => false
- */
-function isArrayLike(value) {
-  return value != null && isLength(getLength(value)) && !isFunction(value);
-}
-
-/**
- * This method is like `_.isArrayLike` except that it also checks if `value`
- * is an object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array-like object,
- *  else `false`.
- * @example
- *
- * _.isArrayLikeObject([1, 2, 3]);
- * // => true
- *
- * _.isArrayLikeObject(document.body.children);
- * // => true
- *
- * _.isArrayLikeObject('abc');
- * // => false
- *
- * _.isArrayLikeObject(_.noop);
- * // => false
- */
-function isArrayLikeObject(value) {
-  return isObjectLike(value) && isArrayLike(value);
-}
-
-/**
- * Checks if `value` is classified as a `Function` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isFunction(_);
- * // => true
- *
- * _.isFunction(/abc/);
- * // => false
- */
-function isFunction(value) {
-  // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
-  var tag = isObject(value) ? objectToString.call(value) : '';
-  return tag == funcTag || tag == genTag;
-}
-
-/**
- * Checks if `value` is a valid array-like length.
- *
- * **Note:** This function is loosely based on
- * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length,
- *  else `false`.
- * @example
- *
- * _.isLength(3);
- * // => true
- *
- * _.isLength(Number.MIN_VALUE);
- * // => false
- *
- * _.isLength(Infinity);
- * // => false
- *
- * _.isLength('3');
- * // => false
- */
-function isLength(value) {
-  return typeof value == 'number' &&
-    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
-}
-
-/**
- * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
- * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an object, else `false`.
- * @example
- *
- * _.isObject({});
- * // => true
- *
- * _.isObject([1, 2, 3]);
- * // => true
- *
- * _.isObject(_.noop);
- * // => true
- *
- * _.isObject(null);
- * // => false
- */
-function isObject(value) {
-  var type = typeof value;
-  return !!value && (type == 'object' || type == 'function');
-}
-
-/**
- * Checks if `value` is object-like. A value is object-like if it's not `null`
- * and has a `typeof` result of "object".
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
- * @example
- *
- * _.isObjectLike({});
- * // => true
- *
- * _.isObjectLike([1, 2, 3]);
- * // => true
- *
- * _.isObjectLike(_.noop);
- * // => false
- *
- * _.isObjectLike(null);
- * // => false
- */
-function isObjectLike(value) {
-  return !!value && typeof value == 'object';
-}
-
-/**
- * Checks if `value` is classified as a `String` primitive or object.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isString('abc');
- * // => true
- *
- * _.isString(1);
- * // => false
- */
-function isString(value) {
-  return typeof value == 'string' ||
-    (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);
-}
-
-/**
- * Creates an array of the own enumerable property names of `object`.
- *
- * **Note:** Non-object values are coerced to objects. See the
- * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
- * for more details.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- * @example
- *
- * function Foo() {
- *   this.a = 1;
- *   this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.keys(new Foo);
- * // => ['a', 'b'] (iteration order is not guaranteed)
- *
- * _.keys('hi');
- * // => ['0', '1']
- */
-function keys(object) {
-  var isProto = isPrototype(object);
-  if (!(isProto || isArrayLike(object))) {
-    return baseKeys(object);
-  }
-  var indexes = indexKeys(object),
-      skipIndexes = !!indexes,
-      result = indexes || [],
-      length = result.length;
-
-  for (var key in object) {
-    if (baseHas(object, key) &&
-        !(skipIndexes && (key == 'length' || isIndex(key, length))) &&
-        !(isProto && key == 'constructor')) {
-      result.push(key);
-    }
-  }
-  return result;
-}
-
-module.exports = baseEach;
-
-},{}],32:[function(require,module,exports){
-/**
- * lodash 3.0.0 (Custom Build) <https://lodash.com/>
- * Build: `lodash modern modularize exports="npm" -o ./`
- * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
- * Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <https://lodash.com/license>
- */
-
-/**
- * The base implementation of `_.find`, `_.findLast`, `_.findKey`, and `_.findLastKey`,
- * without support for callback shorthands and `this` binding, which iterates
- * over `collection` using the provided `eachFunc`.
- *
- * @private
- * @param {Array|Object|string} collection The collection to search.
- * @param {Function} predicate The function invoked per iteration.
- * @param {Function} eachFunc The function to iterate over `collection`.
- * @param {boolean} [retKey] Specify returning the key of the found element
- *  instead of the element itself.
- * @returns {*} Returns the found element or its key, else `undefined`.
- */
-function baseFind(collection, predicate, eachFunc, retKey) {
-  var result;
-  eachFunc(collection, function(value, key, collection) {
-    if (predicate(value, key, collection)) {
-      result = retKey ? key : value;
-      return false;
-    }
-  });
-  return result;
-}
-
-module.exports = baseFind;
-
-},{}],33:[function(require,module,exports){
-/**
- * lodash 3.6.0 (Custom Build) <https://lodash.com/>
- * Build: `lodash modern modularize exports="npm" -o ./`
- * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
- * Based on Underscore.js 1.8.2 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <https://lodash.com/license>
- */
-
-/**
- * The base implementation of `_.findIndex` and `_.findLastIndex` without
- * support for callback shorthands and `this` binding.
- *
- * @private
- * @param {Array} array The array to search.
- * @param {Function} predicate The function invoked per iteration.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function baseFindIndex(array, predicate, fromRight) {
-  var length = array.length,
-      index = fromRight ? length : -1;
-
-  while ((fromRight ? index-- : ++index < length)) {
-    if (predicate(array[index], index, array)) {
-      return index;
-    }
-  }
-  return -1;
-}
-
-module.exports = baseFindIndex;
-
-},{}],34:[function(require,module,exports){
-(function (global){
-/**
- * lodash 4.6.1 (Custom Build) <https://lodash.com/>
- * Build: `lodash modularize exports="npm" -o ./`
- * Copyright jQuery Foundation and other contributors <https://jquery.org/>
- * Released under MIT license <https://lodash.com/license>
- * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- */
-var stringToPath = require('lodash._stringtopath');
-
-/** Used as the size to enable large array optimizations. */
-var LARGE_ARRAY_SIZE = 200;
-
-/** Used to stand-in for `undefined` hash values. */
-var HASH_UNDEFINED = '__lodash_hash_undefined__';
-
-/** Used to compose bitmasks for comparison styles. */
-var UNORDERED_COMPARE_FLAG = 1,
-    PARTIAL_COMPARE_FLAG = 2;
-
-/** Used as references for various `Number` constants. */
-var MAX_SAFE_INTEGER = 9007199254740991;
-
-/** `Object#toString` result references. */
-var argsTag = '[object Arguments]',
-    arrayTag = '[object Array]',
-    boolTag = '[object Boolean]',
-    dateTag = '[object Date]',
-    errorTag = '[object Error]',
-    funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    mapTag = '[object Map]',
-    numberTag = '[object Number]',
-    objectTag = '[object Object]',
-    promiseTag = '[object Promise]',
-    regexpTag = '[object RegExp]',
-    setTag = '[object Set]',
-    stringTag = '[object String]',
-    symbolTag = '[object Symbol]',
-    weakMapTag = '[object WeakMap]';
-
-var arrayBufferTag = '[object ArrayBuffer]',
-    dataViewTag = '[object DataView]',
-    float32Tag = '[object Float32Array]',
-    float64Tag = '[object Float64Array]',
-    int8Tag = '[object Int8Array]',
-    int16Tag = '[object Int16Array]',
-    int32Tag = '[object Int32Array]',
-    uint8Tag = '[object Uint8Array]',
-    uint8ClampedTag = '[object Uint8ClampedArray]',
-    uint16Tag = '[object Uint16Array]',
-    uint32Tag = '[object Uint32Array]';
-
-/** Used to match property names within property paths. */
-var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
-    reIsPlainProp = /^\w*$/;
-
-/**
- * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
- */
-var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
-
-/** Used to detect host constructors (Safari). */
-var reIsHostCtor = /^\[object .+?Constructor\]$/;
-
-/** Used to detect unsigned integer values. */
-var reIsUint = /^(?:0|[1-9]\d*)$/;
-
-/** Used to identify `toStringTag` values of typed arrays. */
-var typedArrayTags = {};
-typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
-typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
-typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
-typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
-typedArrayTags[uint32Tag] = true;
-typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
-typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
-typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
-typedArrayTags[errorTag] = typedArrayTags[funcTag] =
-typedArrayTags[mapTag] = typedArrayTags[numberTag] =
-typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
-typedArrayTags[setTag] = typedArrayTags[stringTag] =
-typedArrayTags[weakMapTag] = false;
-
-/** Used to determine if values are of the language type `Object`. */
-var objectTypes = {
-  'function': true,
-  'object': true
-};
-
-/** Detect free variable `exports`. */
-var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType)
-  ? exports
-  : undefined;
-
-/** Detect free variable `module`. */
-var freeModule = (objectTypes[typeof module] && module && !module.nodeType)
-  ? module
-  : undefined;
-
-/** Detect free variable `global` from Node.js. */
-var freeGlobal = checkGlobal(freeExports && freeModule && typeof global == 'object' && global);
-
-/** Detect free variable `self`. */
-var freeSelf = checkGlobal(objectTypes[typeof self] && self);
-
-/** Detect free variable `window`. */
-var freeWindow = checkGlobal(objectTypes[typeof window] && window);
-
-/** Detect `this` as the global object. */
-var thisGlobal = checkGlobal(objectTypes[typeof this] && this);
-
-/**
- * Used as a reference to the global object.
- *
- * The `this` value is used if it's the global object to avoid Greasemonkey's
- * restricted `window` object, otherwise the `window` object is used.
- */
-var root = freeGlobal ||
-  ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) ||
-    freeSelf || thisGlobal || Function('return this')();
-
-/**
- * A specialized version of `_.map` for arrays without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the new mapped array.
- */
-function arrayMap(array, iteratee) {
-  var index = -1,
-      length = array.length,
-      result = Array(length);
-
-  while (++index < length) {
-    result[index] = iteratee(array[index], index, array);
-  }
-  return result;
-}
-
-/**
- * A specialized version of `_.some` for arrays without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {boolean} Returns `true` if any element passes the predicate check,
- *  else `false`.
- */
-function arraySome(array, predicate) {
-  var index = -1,
-      length = array.length;
-
-  while (++index < length) {
-    if (predicate(array[index], index, array)) {
-      return true;
-    }
-  }
-  return false;
-}
-
-/**
- * The base implementation of `_.times` without support for iteratee shorthands
- * or max array length checks.
- *
- * @private
- * @param {number} n The number of times to invoke `iteratee`.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the array of results.
- */
-function baseTimes(n, iteratee) {
-  var index = -1,
-      result = Array(n);
-
-  while (++index < n) {
-    result[index] = iteratee(index);
-  }
-  return result;
-}
-
-/**
- * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
- * of key-value pairs for `object` corresponding to the property names of `props`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array} props The property names to get values for.
- * @returns {Object} Returns the new array of key-value pairs.
- */
-function baseToPairs(object, props) {
-  return arrayMap(props, function(key) {
-    return [key, object[key]];
-  });
-}
-
-/**
- * Checks if `value` is a global object.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {null|Object} Returns `value` if it's a global object, else `null`.
- */
-function checkGlobal(value) {
-  return (value && value.Object === Object) ? value : null;
-}
-
-/**
- * Checks if `value` is a host object in IE < 9.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
- */
-function isHostObject(value) {
-  // Many host objects are `Object` objects that can coerce to strings
-  // despite having improperly defined `toString` methods.
-  var result = false;
-  if (value != null && typeof value.toString != 'function') {
-    try {
-      result = !!(value + '');
-    } catch (e) {}
-  }
-  return result;
-}
-
-/**
- * Checks if `value` is a valid array-like index.
- *
- * @private
- * @param {*} value The value to check.
- * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
- * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
- */
-function isIndex(value, length) {
-  value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
-  length = length == null ? MAX_SAFE_INTEGER : length;
-  return value > -1 && value % 1 == 0 && value < length;
-}
-
-/**
- * Converts `map` to an array.
- *
- * @private
- * @param {Object} map The map to convert.
- * @returns {Array} Returns the converted array.
- */
-function mapToArray(map) {
-  var index = -1,
-      result = Array(map.size);
-
-  map.forEach(function(value, key) {
-    result[++index] = [key, value];
-  });
-  return result;
-}
-
-/**
- * Converts `set` to an array.
- *
- * @private
- * @param {Object} set The set to convert.
- * @returns {Array} Returns the converted array.
- */
-function setToArray(set) {
-  var index = -1,
-      result = Array(set.size);
-
-  set.forEach(function(value) {
-    result[++index] = value;
-  });
-  return result;
-}
-
-/** Used for built-in method references. */
-var arrayProto = Array.prototype,
-    objectProto = Object.prototype;
-
-/** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty = objectProto.hasOwnProperty;
-
-/**
- * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
- * of values.
- */
-var objectToString = objectProto.toString;
-
-/** Used to detect if a method is native. */
-var reIsNative = RegExp('^' +
-  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
-  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
-);
-
-/** Built-in value references. */
-var Symbol = root.Symbol,
-    Uint8Array = root.Uint8Array,
-    propertyIsEnumerable = objectProto.propertyIsEnumerable,
-    splice = arrayProto.splice;
-
-/* Built-in method references for those with the same name as other `lodash` methods. */
-var nativeGetPrototype = Object.getPrototypeOf,
-    nativeKeys = Object.keys;
-
-/* Built-in method references that are verified to be native. */
-var DataView = getNative(root, 'DataView'),
-    Map = getNative(root, 'Map'),
-    Promise = getNative(root, 'Promise'),
-    Set = getNative(root, 'Set'),
-    WeakMap = getNative(root, 'WeakMap'),
-    nativeCreate = getNative(Object, 'create');
-
-/** Used to detect maps, sets, and weakmaps. */
-var dataViewCtorString = toSource(DataView),
-    mapCtorString = toSource(Map),
-    promiseCtorString = toSource(Promise),
-    setCtorString = toSource(Set),
-    weakMapCtorString = toSource(WeakMap);
-
-/** Used to convert symbols to primitives and strings. */
-var symbolProto = Symbol ? Symbol.prototype : undefined,
-    symbolValueOf = symbolProto ? symbolProto.valueOf : undefined;
-
-/**
- * Creates a hash object.
- *
- * @private
- * @constructor
- * @returns {Object} Returns the new hash object.
- */
-function Hash() {}
-
-/**
- * Removes `key` and its value from the hash.
- *
- * @private
- * @param {Object} hash The hash to modify.
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function hashDelete(hash, key) {
-  return hashHas(hash, key) && delete hash[key];
-}
-
-/**
- * Gets the hash value for `key`.
- *
- * @private
- * @param {Object} hash The hash to query.
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function hashGet(hash, key) {
-  if (nativeCreate) {
-    var result = hash[key];
-    return result === HASH_UNDEFINED ? undefined : result;
-  }
-  return hasOwnProperty.call(hash, key) ? hash[key] : undefined;
-}
-
-/**
- * Checks if a hash value for `key` exists.
- *
- * @private
- * @param {Object} hash The hash to query.
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function hashHas(hash, key) {
-  return nativeCreate ? hash[key] !== undefined : hasOwnProperty.call(hash, key);
-}
-
-/**
- * Sets the hash `key` to `value`.
- *
- * @private
- * @param {Object} hash The hash to modify.
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- */
-function hashSet(hash, key, value) {
-  hash[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
-}
-
-// Avoid inheriting from `Object.prototype` when possible.
-Hash.prototype = nativeCreate ? nativeCreate(null) : objectProto;
-
-/**
- * Creates a map cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [values] The values to cache.
- */
-function MapCache(values) {
-  var index = -1,
-      length = values ? values.length : 0;
-
-  this.clear();
-  while (++index < length) {
-    var entry = values[index];
-    this.set(entry[0], entry[1]);
-  }
-}
-
-/**
- * Removes all key-value entries from the map.
- *
- * @private
- * @name clear
- * @memberOf MapCache
- */
-function mapClear() {
-  this.__data__ = {
-    'hash': new Hash,
-    'map': Map ? new Map : [],
-    'string': new Hash
-  };
-}
-
-/**
- * Removes `key` and its value from the map.
- *
- * @private
- * @name delete
- * @memberOf MapCache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function mapDelete(key) {
-  var data = this.__data__;
-  if (isKeyable(key)) {
-    return hashDelete(typeof key == 'string' ? data.string : data.hash, key);
-  }
-  return Map ? data.map['delete'](key) : assocDelete(data.map, key);
-}
-
-/**
- * Gets the map value for `key`.
- *
- * @private
- * @name get
- * @memberOf MapCache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function mapGet(key) {
-  var data = this.__data__;
-  if (isKeyable(key)) {
-    return hashGet(typeof key == 'string' ? data.string : data.hash, key);
-  }
-  return Map ? data.map.get(key) : assocGet(data.map, key);
-}
-
-/**
- * Checks if a map value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf MapCache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function mapHas(key) {
-  var data = this.__data__;
-  if (isKeyable(key)) {
-    return hashHas(typeof key == 'string' ? data.string : data.hash, key);
-  }
-  return Map ? data.map.has(key) : assocHas(data.map, key);
-}
-
-/**
- * Sets the map `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf MapCache
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the map cache instance.
- */
-function mapSet(key, value) {
-  var data = this.__data__;
-  if (isKeyable(key)) {
-    hashSet(typeof key == 'string' ? data.string : data.hash, key, value);
-  } else if (Map) {
-    data.map.set(key, value);
-  } else {
-    assocSet(data.map, key, value);
-  }
-  return this;
-}
-
-// Add methods to `MapCache`.
-MapCache.prototype.clear = mapClear;
-MapCache.prototype['delete'] = mapDelete;
-MapCache.prototype.get = mapGet;
-MapCache.prototype.has = mapHas;
-MapCache.prototype.set = mapSet;
-
-/**
- * Creates a stack cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [values] The values to cache.
- */
-function Stack(values) {
-  var index = -1,
-      length = values ? values.length : 0;
-
-  this.clear();
-  while (++index < length) {
-    var entry = values[index];
-    this.set(entry[0], entry[1]);
-  }
-}
-
-/**
- * Removes all key-value entries from the stack.
- *
- * @private
- * @name clear
- * @memberOf Stack
- */
-function stackClear() {
-  this.__data__ = { 'array': [], 'map': null };
-}
-
-/**
- * Removes `key` and its value from the stack.
- *
- * @private
- * @name delete
- * @memberOf Stack
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function stackDelete(key) {
-  var data = this.__data__,
-      array = data.array;
-
-  return array ? assocDelete(array, key) : data.map['delete'](key);
-}
-
-/**
- * Gets the stack value for `key`.
- *
- * @private
- * @name get
- * @memberOf Stack
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function stackGet(key) {
-  var data = this.__data__,
-      array = data.array;
-
-  return array ? assocGet(array, key) : data.map.get(key);
-}
-
-/**
- * Checks if a stack value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf Stack
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function stackHas(key) {
-  var data = this.__data__,
-      array = data.array;
-
-  return array ? assocHas(array, key) : data.map.has(key);
-}
-
-/**
- * Sets the stack `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf Stack
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the stack cache instance.
- */
-function stackSet(key, value) {
-  var data = this.__data__,
-      array = data.array;
-
-  if (array) {
-    if (array.length < (LARGE_ARRAY_SIZE - 1)) {
-      assocSet(array, key, value);
-    } else {
-      data.array = null;
-      data.map = new MapCache(array);
-    }
-  }
-  var map = data.map;
-  if (map) {
-    map.set(key, value);
-  }
-  return this;
-}
-
-// Add methods to `Stack`.
-Stack.prototype.clear = stackClear;
-Stack.prototype['delete'] = stackDelete;
-Stack.prototype.get = stackGet;
-Stack.prototype.has = stackHas;
-Stack.prototype.set = stackSet;
-
-/**
- * Removes `key` and its value from the associative array.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function assocDelete(array, key) {
-  var index = assocIndexOf(array, key);
-  if (index < 0) {
-    return false;
-  }
-  var lastIndex = array.length - 1;
-  if (index == lastIndex) {
-    array.pop();
-  } else {
-    splice.call(array, index, 1);
-  }
-  return true;
-}
-
-/**
- * Gets the associative array value for `key`.
- *
- * @private
- * @param {Array} array The array to query.
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function assocGet(array, key) {
-  var index = assocIndexOf(array, key);
-  return index < 0 ? undefined : array[index][1];
-}
-
-/**
- * Checks if an associative array value for `key` exists.
- *
- * @private
- * @param {Array} array The array to query.
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function assocHas(array, key) {
-  return assocIndexOf(array, key) > -1;
-}
-
-/**
- * Gets the index at which the `key` is found in `array` of key-value pairs.
- *
- * @private
- * @param {Array} array The array to search.
- * @param {*} key The key to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function assocIndexOf(array, key) {
-  var length = array.length;
-  while (length--) {
-    if (eq(array[length][0], key)) {
-      return length;
-    }
-  }
-  return -1;
-}
-
-/**
- * Sets the associative array `key` to `value`.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- */
-function assocSet(array, key, value) {
-  var index = assocIndexOf(array, key);
-  if (index < 0) {
-    array.push([key, value]);
-  } else {
-    array[index][1] = value;
-  }
-}
-
-/**
- * Casts `value` to a path array if it's not one.
- *
- * @private
- * @param {*} value The value to inspect.
- * @returns {Array} Returns the cast property path array.
- */
-function baseCastPath(value) {
-  return isArray(value) ? value : stringToPath(value);
-}
-
-/**
- * The base implementation of `_.get` without support for default values.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @returns {*} Returns the resolved value.
- */
-function baseGet(object, path) {
-  path = isKey(path, object) ? [path] : baseCastPath(path);
-
-  var index = 0,
-      length = path.length;
-
-  while (object != null && index < length) {
-    object = object[path[index++]];
-  }
-  return (index && index == length) ? object : undefined;
-}
-
-/**
- * The base implementation of `_.has` without support for deep paths.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
-function baseHas(object, key) {
-  // Avoid a bug in IE 10-11 where objects with a [[Prototype]] of `null`,
-  // that are composed entirely of index properties, return `false` for
-  // `hasOwnProperty` checks of them.
-  return hasOwnProperty.call(object, key) ||
-    (typeof object == 'object' && key in object && getPrototype(object) === null);
-}
-
-/**
- * The base implementation of `_.hasIn` without support for deep paths.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
-function baseHasIn(object, key) {
-  return key in Object(object);
-}
-
-/**
- * The base implementation of `_.isEqual` which supports partial comparisons
- * and tracks traversed objects.
- *
- * @private
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @param {Function} [customizer] The function to customize comparisons.
- * @param {boolean} [bitmask] The bitmask of comparison flags.
- *  The bitmask may be composed of the following flags:
- *     1 - Unordered comparison
- *     2 - Partial comparison
- * @param {Object} [stack] Tracks traversed `value` and `other` objects.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- */
-function baseIsEqual(value, other, customizer, bitmask, stack) {
-  if (value === other) {
-    return true;
-  }
-  if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
-    return value !== value && other !== other;
-  }
-  return baseIsEqualDeep(value, other, baseIsEqual, customizer, bitmask, stack);
-}
-
-/**
- * A specialized version of `baseIsEqual` for arrays and objects which performs
- * deep comparisons and tracks traversed objects enabling objects with circular
- * references to be compared.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Function} [customizer] The function to customize comparisons.
- * @param {number} [bitmask] The bitmask of comparison flags. See `baseIsEqual`
- *  for more details.
- * @param {Object} [stack] Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function baseIsEqualDeep(object, other, equalFunc, customizer, bitmask, stack) {
-  var objIsArr = isArray(object),
-      othIsArr = isArray(other),
-      objTag = arrayTag,
-      othTag = arrayTag;
-
-  if (!objIsArr) {
-    objTag = getTag(object);
-    objTag = objTag == argsTag ? objectTag : objTag;
-  }
-  if (!othIsArr) {
-    othTag = getTag(other);
-    othTag = othTag == argsTag ? objectTag : othTag;
-  }
-  var objIsObj = objTag == objectTag && !isHostObject(object),
-      othIsObj = othTag == objectTag && !isHostObject(other),
-      isSameTag = objTag == othTag;
-
-  if (isSameTag && !objIsObj) {
-    stack || (stack = new Stack);
-    return (objIsArr || isTypedArray(object))
-      ? equalArrays(object, other, equalFunc, customizer, bitmask, stack)
-      : equalByTag(object, other, objTag, equalFunc, customizer, bitmask, stack);
-  }
-  if (!(bitmask & PARTIAL_COMPARE_FLAG)) {
-    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
-        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
-
-    if (objIsWrapped || othIsWrapped) {
-      var objUnwrapped = objIsWrapped ? object.value() : object,
-          othUnwrapped = othIsWrapped ? other.value() : other;
-
-      stack || (stack = new Stack);
-      return equalFunc(objUnwrapped, othUnwrapped, customizer, bitmask, stack);
-    }
-  }
-  if (!isSameTag) {
-    return false;
-  }
-  stack || (stack = new Stack);
-  return equalObjects(object, other, equalFunc, customizer, bitmask, stack);
-}
-
-/**
- * The base implementation of `_.isMatch` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property values to match.
- * @param {Array} matchData The property names, values, and compare flags to match.
- * @param {Function} [customizer] The function to customize comparisons.
- * @returns {boolean} Returns `true` if `object` is a match, else `false`.
- */
-function baseIsMatch(object, source, matchData, customizer) {
-  var index = matchData.length,
-      length = index,
-      noCustomizer = !customizer;
-
-  if (object == null) {
-    return !length;
-  }
-  object = Object(object);
-  while (index--) {
-    var data = matchData[index];
-    if ((noCustomizer && data[2])
-          ? data[1] !== object[data[0]]
-          : !(data[0] in object)
-        ) {
-      return false;
-    }
-  }
-  while (++index < length) {
-    data = matchData[index];
-    var key = data[0],
-        objValue = object[key],
-        srcValue = data[1];
-
-    if (noCustomizer && data[2]) {
-      if (objValue === undefined && !(key in object)) {
-        return false;
-      }
-    } else {
-      var stack = new Stack;
-      if (customizer) {
-        var result = customizer(objValue, srcValue, key, object, source, stack);
-      }
-      if (!(result === undefined
-            ? baseIsEqual(srcValue, objValue, customizer, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG, stack)
-            : result
-          )) {
-        return false;
-      }
-    }
-  }
-  return true;
-}
-
-/**
- * The base implementation of `_.iteratee`.
- *
- * @private
- * @param {*} [value=_.identity] The value to convert to an iteratee.
- * @returns {Function} Returns the iteratee.
- */
-function baseIteratee(value) {
-  // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
-  // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
-  if (typeof value == 'function') {
-    return value;
-  }
-  if (value == null) {
-    return identity;
-  }
-  if (typeof value == 'object') {
-    return isArray(value)
-      ? baseMatchesProperty(value[0], value[1])
-      : baseMatches(value);
-  }
-  return property(value);
-}
-
-/**
- * The base implementation of `_.keys` which doesn't skip the constructor
- * property of prototypes or treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
-function baseKeys(object) {
-  return nativeKeys(Object(object));
-}
-
-/**
- * The base implementation of `_.matches` which doesn't clone `source`.
- *
- * @private
- * @param {Object} source The object of property values to match.
- * @returns {Function} Returns the new function.
- */
-function baseMatches(source) {
-  var matchData = getMatchData(source);
-  if (matchData.length == 1 && matchData[0][2]) {
-    return matchesStrictComparable(matchData[0][0], matchData[0][1]);
-  }
-  return function(object) {
-    return object === source || baseIsMatch(object, source, matchData);
-  };
-}
-
-/**
- * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
- *
- * @private
- * @param {string} path The path of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new function.
- */
-function baseMatchesProperty(path, srcValue) {
-  if (isKey(path) && isStrictComparable(srcValue)) {
-    return matchesStrictComparable(path, srcValue);
-  }
-  return function(object) {
-    var objValue = get(object, path);
-    return (objValue === undefined && objValue === srcValue)
-      ? hasIn(object, path)
-      : baseIsEqual(srcValue, objValue, undefined, UNORDERED_COMPARE_FLAG | PARTIAL_COMPARE_FLAG);
-  };
-}
-
-/**
- * The base implementation of `_.property` without support for deep paths.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new function.
- */
-function baseProperty(key) {
-  return function(object) {
-    return object == null ? undefined : object[key];
-  };
-}
-
-/**
- * A specialized version of `baseProperty` which supports deep paths.
- *
- * @private
- * @param {Array|string} path The path of the property to get.
- * @returns {Function} Returns the new function.
- */
-function basePropertyDeep(path) {
-  return function(object) {
-    return baseGet(object, path);
-  };
-}
-
-/**
- * A specialized version of `baseIsEqualDeep` for arrays with support for
- * partial deep comparisons.
- *
- * @private
- * @param {Array} array The array to compare.
- * @param {Array} other The other array to compare.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Function} customizer The function to customize comparisons.
- * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
- *  for more details.
- * @param {Object} stack Tracks traversed `array` and `other` objects.
- * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
- */
-function equalArrays(array, other, equalFunc, customizer, bitmask, stack) {
-  var index = -1,
-      isPartial = bitmask & PARTIAL_COMPARE_FLAG,
-      isUnordered = bitmask & UNORDERED_COMPARE_FLAG,
-      arrLength = array.length,
-      othLength = other.length;
-
-  if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
-    return false;
-  }
-  // Assume cyclic values are equal.
-  var stacked = stack.get(array);
-  if (stacked) {
-    return stacked == other;
-  }
-  var result = true;
-  stack.set(array, other);
-
-  // Ignore non-index properties.
-  while (++index < arrLength) {
-    var arrValue = array[index],
-        othValue = other[index];
-
-    if (customizer) {
-      var compared = isPartial
-        ? customizer(othValue, arrValue, index, other, array, stack)
-        : customizer(arrValue, othValue, index, array, other, stack);
-    }
-    if (compared !== undefined) {
-      if (compared) {
-        continue;
-      }
-      result = false;
-      break;
-    }
-    // Recursively compare arrays (susceptible to call stack limits).
-    if (isUnordered) {
-      if (!arraySome(other, function(othValue) {
-            return arrValue === othValue ||
-              equalFunc(arrValue, othValue, customizer, bitmask, stack);
-          })) {
-        result = false;
-        break;
-      }
-    } else if (!(
-          arrValue === othValue ||
-            equalFunc(arrValue, othValue, customizer, bitmask, stack)
-        )) {
-      result = false;
-      break;
-    }
-  }
-  stack['delete'](array);
-  return result;
-}
-
-/**
- * A specialized version of `baseIsEqualDeep` for comparing objects of
- * the same `toStringTag`.
- *
- * **Note:** This function only supports comparing values with tags of
- * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {string} tag The `toStringTag` of the objects to compare.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Function} customizer The function to customize comparisons.
- * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
- *  for more details.
- * @param {Object} stack Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function equalByTag(object, other, tag, equalFunc, customizer, bitmask, stack) {
-  switch (tag) {
-    case dataViewTag:
-      if ((object.byteLength != other.byteLength) ||
-          (object.byteOffset != other.byteOffset)) {
-        return false;
-      }
-      object = object.buffer;
-      other = other.buffer;
-
-    case arrayBufferTag:
-      if ((object.byteLength != other.byteLength) ||
-          !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
-        return false;
-      }
-      return true;
-
-    case boolTag:
-    case dateTag:
-      // Coerce dates and booleans to numbers, dates to milliseconds and
-      // booleans to `1` or `0` treating invalid dates coerced to `NaN` as
-      // not equal.
-      return +object == +other;
-
-    case errorTag:
-      return object.name == other.name && object.message == other.message;
-
-    case numberTag:
-      // Treat `NaN` vs. `NaN` as equal.
-      return (object != +object) ? other != +other : object == +other;
-
-    case regexpTag:
-    case stringTag:
-      // Coerce regexes to strings and treat strings, primitives and objects,
-      // as equal. See http://www.ecma-international.org/ecma-262/6.0/#sec-regexp.prototype.tostring
-      // for more details.
-      return object == (other + '');
-
-    case mapTag:
-      var convert = mapToArray;
-
-    case setTag:
-      var isPartial = bitmask & PARTIAL_COMPARE_FLAG;
-      convert || (convert = setToArray);
-
-      if (object.size != other.size && !isPartial) {
-        return false;
-      }
-      // Assume cyclic values are equal.
-      var stacked = stack.get(object);
-      if (stacked) {
-        return stacked == other;
-      }
-      bitmask |= UNORDERED_COMPARE_FLAG;
-      stack.set(object, other);
-
-      // Recursively compare objects (susceptible to call stack limits).
-      return equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask, stack);
-
-    case symbolTag:
-      if (symbolValueOf) {
-        return symbolValueOf.call(object) == symbolValueOf.call(other);
-      }
-  }
-  return false;
-}
-
-/**
- * A specialized version of `baseIsEqualDeep` for objects with support for
- * partial deep comparisons.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Function} customizer The function to customize comparisons.
- * @param {number} bitmask The bitmask of comparison flags. See `baseIsEqual`
- *  for more details.
- * @param {Object} stack Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
-function equalObjects(object, other, equalFunc, customizer, bitmask, stack) {
-  var isPartial = bitmask & PARTIAL_COMPARE_FLAG,
-      objProps = keys(object),
-      objLength = objProps.length,
-      othProps = keys(other),
-      othLength = othProps.length;
-
-  if (objLength != othLength && !isPartial) {
-    return false;
-  }
-  var index = objLength;
-  while (index--) {
-    var key = objProps[index];
-    if (!(isPartial ? key in other : baseHas(other, key))) {
-      return false;
-    }
-  }
-  // Assume cyclic values are equal.
-  var stacked = stack.get(object);
-  if (stacked) {
-    return stacked == other;
-  }
-  var result = true;
-  stack.set(object, other);
-
-  var skipCtor = isPartial;
-  while (++index < objLength) {
-    key = objProps[index];
-    var objValue = object[key],
-        othValue = other[key];
-
-    if (customizer) {
-      var compared = isPartial
-        ? customizer(othValue, objValue, key, other, object, stack)
-        : customizer(objValue, othValue, key, object, other, stack);
-    }
-    // Recursively compare objects (susceptible to call stack limits).
-    if (!(compared === undefined
-          ? (objValue === othValue || equalFunc(objValue, othValue, customizer, bitmask, stack))
-          : compared
-        )) {
-      result = false;
-      break;
-    }
-    skipCtor || (skipCtor = key == 'constructor');
-  }
-  if (result && !skipCtor) {
-    var objCtor = object.constructor,
-        othCtor = other.constructor;
-
-    // Non `Object` object instances with different constructors are not equal.
-    if (objCtor != othCtor &&
-        ('constructor' in object && 'constructor' in other) &&
-        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
-          typeof othCtor == 'function' && othCtor instanceof othCtor)) {
-      result = false;
-    }
-  }
-  stack['delete'](object);
-  return result;
-}
-
-/**
- * Gets the "length" property value of `object`.
- *
- * **Note:** This function is used to avoid a
- * [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792) that affects
- * Safari on at least iOS 8.1-8.3 ARM64.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {*} Returns the "length" value.
- */
-var getLength = baseProperty('length');
-
-/**
- * Gets the property names, values, and compare flags of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the match data of `object`.
- */
-function getMatchData(object) {
-  var result = toPairs(object),
-      length = result.length;
-
-  while (length--) {
-    result[length][2] = isStrictComparable(result[length][1]);
-  }
-  return result;
-}
-
-/**
- * Gets the native function at `key` of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {string} key The key of the method to get.
- * @returns {*} Returns the function if it's native, else `undefined`.
- */
-function getNative(object, key) {
-  var value = object[key];
-  return isNative(value) ? value : undefined;
-}
-
-/**
- * Gets the `[[Prototype]]` of `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {null|Object} Returns the `[[Prototype]]`.
- */
-function getPrototype(value) {
-  return nativeGetPrototype(Object(value));
-}
-
-/**
- * Gets the `toStringTag` of `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {string} Returns the `toStringTag`.
- */
-function getTag(value) {
-  return objectToString.call(value);
-}
-
-// Fallback for data views, maps, sets, and weak maps in IE 11,
-// for data views in Edge, and promises in Node.js.
-if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
-    (Map && getTag(new Map) != mapTag) ||
-    (Promise && getTag(Promise.resolve()) != promiseTag) ||
-    (Set && getTag(new Set) != setTag) ||
-    (WeakMap && getTag(new WeakMap) != weakMapTag)) {
-  getTag = function(value) {
-    var result = objectToString.call(value),
-        Ctor = result == objectTag ? value.constructor : undefined,
-        ctorString = Ctor ? toSource(Ctor) : undefined;
-
-    if (ctorString) {
-      switch (ctorString) {
-        case dataViewCtorString: return dataViewTag;
-        case mapCtorString: return mapTag;
-        case promiseCtorString: return promiseTag;
-        case setCtorString: return setTag;
-        case weakMapCtorString: return weakMapTag;
-      }
-    }
-    return result;
-  };
-}
-
-/**
- * Checks if `path` exists on `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @param {Function} hasFunc The function to check properties.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- */
-function hasPath(object, path, hasFunc) {
-  path = isKey(path, object) ? [path] : baseCastPath(path);
-
-  var result,
-      index = -1,
-      length = path.length;
-
-  while (++index < length) {
-    var key = path[index];
-    if (!(result = object != null && hasFunc(object, key))) {
-      break;
-    }
-    object = object[key];
-  }
-  if (result) {
-    return result;
-  }
-  var length = object ? object.length : 0;
-  return !!length && isLength(length) && isIndex(key, length) &&
-    (isArray(object) || isString(object) || isArguments(object));
-}
-
-/**
- * Creates an array of index keys for `object` values of arrays,
- * `arguments` objects, and strings, otherwise `null` is returned.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array|null} Returns index keys, else `null`.
- */
-function indexKeys(object) {
-  var length = object ? object.length : undefined;
-  if (isLength(length) &&
-      (isArray(object) || isString(object) || isArguments(object))) {
-    return baseTimes(length, String);
-  }
-  return null;
-}
-
-/**
- * Checks if `value` is a property name and not a property path.
- *
- * @private
- * @param {*} value The value to check.
- * @param {Object} [object] The object to query keys on.
- * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
- */
-function isKey(value, object) {
-  var type = typeof value;
-  if (type == 'number' || type == 'symbol') {
-    return true;
-  }
-  return !isArray(value) &&
-    (isSymbol(value) || reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
-      (object != null && value in Object(object)));
-}
-
-/**
- * Checks if `value` is suitable for use as unique object key.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
- */
-function isKeyable(value) {
-  var type = typeof value;
-  return type == 'number' || type == 'boolean' ||
-    (type == 'string' && value != '__proto__') || value == null;
-}
-
-/**
- * Checks if `value` is likely a prototype object.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
- */
-function isPrototype(value) {
-  var Ctor = value && value.constructor,
-      proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
-
-  return value === proto;
-}
-
-/**
- * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` if suitable for strict
- *  equality comparisons, else `false`.
- */
-function isStrictComparable(value) {
-  return value === value && !isObject(value);
-}
-
-/**
- * A specialized version of `matchesProperty` for source values suitable
- * for strict equality comparisons, i.e. `===`.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new function.
- */
-function matchesStrictComparable(key, srcValue) {
-  return function(object) {
-    if (object == null) {
-      return false;
-    }
-    return object[key] === srcValue &&
-      (srcValue !== undefined || (key in Object(object)));
-  };
-}
-
-/**
- * Converts `func` to its source code.
- *
- * @private
- * @param {Function} func The function to process.
- * @returns {string} Returns the source code.
- */
-function toSource(func) {
-  if (func != null) {
-    try {
-      return funcToString.call(func);
-    } catch (e) {}
-    try {
-      return (func + '');
-    } catch (e) {}
-  }
-  return '';
-}
-
-/**
- * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
- * comparison between two values to determine if they are equivalent.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- * @example
- *
- * var object = { 'user': 'fred' };
- * var other = { 'user': 'fred' };
- *
- * _.eq(object, object);
- * // => true
- *
- * _.eq(object, other);
- * // => false
- *
- * _.eq('a', 'a');
- * // => true
- *
- * _.eq('a', Object('a'));
- * // => false
- *
- * _.eq(NaN, NaN);
- * // => true
- */
-function eq(value, other) {
-  return value === other || (value !== value && other !== other);
-}
-
-/**
- * Checks if `value` is likely an `arguments` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isArguments(function() { return arguments; }());
- * // => true
- *
- * _.isArguments([1, 2, 3]);
- * // => false
- */
-function isArguments(value) {
-  // Safari 8.1 incorrectly makes `arguments.callee` enumerable in strict mode.
-  return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&
-    (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);
-}
-
-/**
- * Checks if `value` is classified as an `Array` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @type {Function}
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isArray([1, 2, 3]);
- * // => true
- *
- * _.isArray(document.body.children);
- * // => false
- *
- * _.isArray('abc');
- * // => false
- *
- * _.isArray(_.noop);
- * // => false
- */
-var isArray = Array.isArray;
-
-/**
- * Checks if `value` is array-like. A value is considered array-like if it's
- * not a function and has a `value.length` that's an integer greater than or
- * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
- * @example
- *
- * _.isArrayLike([1, 2, 3]);
- * // => true
- *
- * _.isArrayLike(document.body.children);
- * // => true
- *
- * _.isArrayLike('abc');
- * // => true
- *
- * _.isArrayLike(_.noop);
- * // => false
- */
-function isArrayLike(value) {
-  return value != null && isLength(getLength(value)) && !isFunction(value);
-}
-
-/**
- * This method is like `_.isArrayLike` except that it also checks if `value`
- * is an object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array-like object,
- *  else `false`.
- * @example
- *
- * _.isArrayLikeObject([1, 2, 3]);
- * // => true
- *
- * _.isArrayLikeObject(document.body.children);
- * // => true
- *
- * _.isArrayLikeObject('abc');
- * // => false
- *
- * _.isArrayLikeObject(_.noop);
- * // => false
- */
-function isArrayLikeObject(value) {
-  return isObjectLike(value) && isArrayLike(value);
-}
-
-/**
- * Checks if `value` is classified as a `Function` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isFunction(_);
- * // => true
- *
- * _.isFunction(/abc/);
- * // => false
- */
-function isFunction(value) {
-  // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
-  var tag = isObject(value) ? objectToString.call(value) : '';
-  return tag == funcTag || tag == genTag;
-}
-
-/**
- * Checks if `value` is a valid array-like length.
- *
- * **Note:** This function is loosely based on
- * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length,
- *  else `false`.
- * @example
- *
- * _.isLength(3);
- * // => true
- *
- * _.isLength(Number.MIN_VALUE);
- * // => false
- *
- * _.isLength(Infinity);
- * // => false
- *
- * _.isLength('3');
- * // => false
- */
-function isLength(value) {
-  return typeof value == 'number' &&
-    value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
-}
-
-/**
- * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
- * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an object, else `false`.
- * @example
- *
- * _.isObject({});
- * // => true
- *
- * _.isObject([1, 2, 3]);
- * // => true
- *
- * _.isObject(_.noop);
- * // => true
- *
- * _.isObject(null);
- * // => false
- */
-function isObject(value) {
-  var type = typeof value;
-  return !!value && (type == 'object' || type == 'function');
-}
-
-/**
- * Checks if `value` is object-like. A value is object-like if it's not `null`
- * and has a `typeof` result of "object".
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
- * @example
- *
- * _.isObjectLike({});
- * // => true
- *
- * _.isObjectLike([1, 2, 3]);
- * // => true
- *
- * _.isObjectLike(_.noop);
- * // => false
- *
- * _.isObjectLike(null);
- * // => false
- */
-function isObjectLike(value) {
-  return !!value && typeof value == 'object';
-}
-
-/**
- * Checks if `value` is a native function.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a native function,
- *  else `false`.
- * @example
- *
- * _.isNative(Array.prototype.push);
- * // => true
- *
- * _.isNative(_);
- * // => false
- */
-function isNative(value) {
-  if (!isObject(value)) {
-    return false;
-  }
-  var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
-  return pattern.test(toSource(value));
-}
-
-/**
- * Checks if `value` is classified as a `String` primitive or object.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isString('abc');
- * // => true
- *
- * _.isString(1);
- * // => false
- */
-function isString(value) {
-  return typeof value == 'string' ||
-    (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);
-}
-
-/**
- * Checks if `value` is classified as a `Symbol` primitive or object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isSymbol(Symbol.iterator);
- * // => true
- *
- * _.isSymbol('abc');
- * // => false
- */
-function isSymbol(value) {
-  return typeof value == 'symbol' ||
-    (isObjectLike(value) && objectToString.call(value) == symbolTag);
-}
-
-/**
- * Checks if `value` is classified as a typed array.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isTypedArray(new Uint8Array);
- * // => true
- *
- * _.isTypedArray([]);
- * // => false
- */
-function isTypedArray(value) {
-  return isObjectLike(value) &&
-    isLength(value.length) && !!typedArrayTags[objectToString.call(value)];
-}
-
-/**
- * Gets the value at `path` of `object`. If the resolved value is
- * `undefined`, the `defaultValue` is used in its place.
- *
- * @static
- * @memberOf _
- * @since 3.7.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @param {*} [defaultValue] The value returned for `undefined` resolved values.
- * @returns {*} Returns the resolved value.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 3 } }] };
- *
- * _.get(object, 'a[0].b.c');
- * // => 3
- *
- * _.get(object, ['a', '0', 'b', 'c']);
- * // => 3
- *
- * _.get(object, 'a.b.c', 'default');
- * // => 'default'
- */
-function get(object, path, defaultValue) {
-  var result = object == null ? undefined : baseGet(object, path);
-  return result === undefined ? defaultValue : result;
-}
-
-/**
- * Checks if `path` is a direct or inherited property of `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- * @example
- *
- * var object = _.create({ 'a': _.create({ 'b': 2 }) });
- *
- * _.hasIn(object, 'a');
- * // => true
- *
- * _.hasIn(object, 'a.b');
- * // => true
- *
- * _.hasIn(object, ['a', 'b']);
- * // => true
- *
- * _.hasIn(object, 'b');
- * // => false
- */
-function hasIn(object, path) {
-  return object != null && hasPath(object, path, baseHasIn);
-}
-
-/**
- * Creates an array of the own enumerable property names of `object`.
- *
- * **Note:** Non-object values are coerced to objects. See the
- * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
- * for more details.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- * @example
- *
- * function Foo() {
- *   this.a = 1;
- *   this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.keys(new Foo);
- * // => ['a', 'b'] (iteration order is not guaranteed)
- *
- * _.keys('hi');
- * // => ['0', '1']
- */
-function keys(object) {
-  var isProto = isPrototype(object);
-  if (!(isProto || isArrayLike(object))) {
-    return baseKeys(object);
-  }
-  var indexes = indexKeys(object),
-      skipIndexes = !!indexes,
-      result = indexes || [],
-      length = result.length;
-
-  for (var key in object) {
-    if (baseHas(object, key) &&
-        !(skipIndexes && (key == 'length' || isIndex(key, length))) &&
-        !(isProto && key == 'constructor')) {
-      result.push(key);
-    }
-  }
-  return result;
-}
-
-/**
- * Creates an array of own enumerable string keyed-value pairs for `object`
- * which can be consumed by `_.fromPairs`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @alias entries
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the new array of key-value pairs.
- * @example
- *
- * function Foo() {
- *   this.a = 1;
- *   this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.toPairs(new Foo);
- * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
- */
-function toPairs(object) {
-  return baseToPairs(object, keys(object));
-}
-
-/**
- * This method returns the first argument given to it.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Util
- * @param {*} value Any value.
- * @returns {*} Returns `value`.
- * @example
- *
- * var object = { 'user': 'fred' };
- *
- * _.identity(object) === object;
- * // => true
- */
-function identity(value) {
-  return value;
-}
-
-/**
- * Creates a function that returns the value at `path` of a given object.
- *
- * @static
- * @memberOf _
- * @since 2.4.0
- * @category Util
- * @param {Array|string} path The path of the property to get.
- * @returns {Function} Returns the new function.
- * @example
- *
- * var objects = [
- *   { 'a': { 'b': 2 } },
- *   { 'a': { 'b': 1 } }
- * ];
- *
- * _.map(objects, _.property('a.b'));
- * // => [2, 1]
- *
- * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');
- * // => [1, 2]
- */
-function property(path) {
-  return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
-}
-
-module.exports = baseIteratee;
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"lodash._stringtopath":35}],35:[function(require,module,exports){
-(function (global){
-/**
- * lodash 4.7.1 (Custom Build) <https://lodash.com/>
- * Build: `lodash modularize exports="npm" -o ./`
- * Copyright jQuery Foundation and other contributors <https://jquery.org/>
- * Released under MIT license <https://lodash.com/license>
- * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- */
-
-/** Used as the `TypeError` message for "Functions" methods. */
-var FUNC_ERROR_TEXT = 'Expected a function';
-
-/** Used to stand-in for `undefined` hash values. */
-var HASH_UNDEFINED = '__lodash_hash_undefined__';
-
-/** Used as references for various `Number` constants. */
-var INFINITY = 1 / 0;
-
-/** `Object#toString` result references. */
-var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]',
-    symbolTag = '[object Symbol]';
-
-/** Used to match property names within property paths. */
-var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g;
-
-/**
- * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/6.0/#sec-patterns).
- */
-var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
-
-/** Used to match backslashes in property paths. */
-var reEscapeChar = /\\(\\)?/g;
-
-/** Used to detect host constructors (Safari). */
-var reIsHostCtor = /^\[object .+?Constructor\]$/;
-
-/** Used to determine if values are of the language type `Object`. */
-var objectTypes = {
-  'function': true,
-  'object': true
-};
-
-/** Detect free variable `exports`. */
-var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType)
-  ? exports
-  : undefined;
-
-/** Detect free variable `module`. */
-var freeModule = (objectTypes[typeof module] && module && !module.nodeType)
-  ? module
-  : undefined;
-
-/** Detect free variable `global` from Node.js. */
-var freeGlobal = checkGlobal(freeExports && freeModule && typeof global == 'object' && global);
-
-/** Detect free variable `self`. */
-var freeSelf = checkGlobal(objectTypes[typeof self] && self);
-
-/** Detect free variable `window`. */
-var freeWindow = checkGlobal(objectTypes[typeof window] && window);
-
-/** Detect `this` as the global object. */
-var thisGlobal = checkGlobal(objectTypes[typeof this] && this);
-
-/**
- * Used as a reference to the global object.
- *
- * The `this` value is used if it's the global object to avoid Greasemonkey's
- * restricted `window` object, otherwise the `window` object is used.
- */
-var root = freeGlobal ||
-  ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) ||
-    freeSelf || thisGlobal || Function('return this')();
-
-/**
- * Checks if `value` is a global object.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {null|Object} Returns `value` if it's a global object, else `null`.
- */
-function checkGlobal(value) {
-  return (value && value.Object === Object) ? value : null;
-}
-
-/**
- * Checks if `value` is a host object in IE < 9.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a host object, else `false`.
- */
-function isHostObject(value) {
-  // Many host objects are `Object` objects that can coerce to strings
-  // despite having improperly defined `toString` methods.
-  var result = false;
-  if (value != null && typeof value.toString != 'function') {
-    try {
-      result = !!(value + '');
-    } catch (e) {}
-  }
-  return result;
-}
-
-/** Used for built-in method references. */
-var arrayProto = Array.prototype,
-    objectProto = Object.prototype;
-
-/** Used to resolve the decompiled source of functions. */
-var funcToString = Function.prototype.toString;
-
-/** Used to check objects for own properties. */
-var hasOwnProperty = objectProto.hasOwnProperty;
-
-/**
- * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
- * of values.
- */
-var objectToString = objectProto.toString;
-
-/** Used to detect if a method is native. */
-var reIsNative = RegExp('^' +
-  funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
-  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
-);
-
-/** Built-in value references. */
-var Symbol = root.Symbol,
-    splice = arrayProto.splice;
-
-/* Built-in method references that are verified to be native. */
-var Map = getNative(root, 'Map'),
-    nativeCreate = getNative(Object, 'create');
-
-/** Used to convert symbols to primitives and strings. */
-var symbolProto = Symbol ? Symbol.prototype : undefined,
-    symbolToString = symbolProto ? symbolProto.toString : undefined;
-
-/**
- * Creates a hash object.
- *
- * @private
- * @constructor
- * @returns {Object} Returns the new hash object.
- */
-function Hash() {}
-
-/**
- * Removes `key` and its value from the hash.
- *
- * @private
- * @param {Object} hash The hash to modify.
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function hashDelete(hash, key) {
-  return hashHas(hash, key) && delete hash[key];
-}
-
-/**
- * Gets the hash value for `key`.
- *
- * @private
- * @param {Object} hash The hash to query.
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function hashGet(hash, key) {
-  if (nativeCreate) {
-    var result = hash[key];
-    return result === HASH_UNDEFINED ? undefined : result;
-  }
-  return hasOwnProperty.call(hash, key) ? hash[key] : undefined;
-}
-
-/**
- * Checks if a hash value for `key` exists.
- *
- * @private
- * @param {Object} hash The hash to query.
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function hashHas(hash, key) {
-  return nativeCreate ? hash[key] !== undefined : hasOwnProperty.call(hash, key);
-}
-
-/**
- * Sets the hash `key` to `value`.
- *
- * @private
- * @param {Object} hash The hash to modify.
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- */
-function hashSet(hash, key, value) {
-  hash[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
-}
-
-// Avoid inheriting from `Object.prototype` when possible.
-Hash.prototype = nativeCreate ? nativeCreate(null) : objectProto;
-
-/**
- * Creates a map cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [values] The values to cache.
- */
-function MapCache(values) {
-  var index = -1,
-      length = values ? values.length : 0;
-
-  this.clear();
-  while (++index < length) {
-    var entry = values[index];
-    this.set(entry[0], entry[1]);
-  }
-}
-
-/**
- * Removes all key-value entries from the map.
- *
- * @private
- * @name clear
- * @memberOf MapCache
- */
-function mapClear() {
-  this.__data__ = {
-    'hash': new Hash,
-    'map': Map ? new Map : [],
-    'string': new Hash
-  };
-}
-
-/**
- * Removes `key` and its value from the map.
- *
- * @private
- * @name delete
- * @memberOf MapCache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function mapDelete(key) {
-  var data = this.__data__;
-  if (isKeyable(key)) {
-    return hashDelete(typeof key == 'string' ? data.string : data.hash, key);
-  }
-  return Map ? data.map['delete'](key) : assocDelete(data.map, key);
-}
-
-/**
- * Gets the map value for `key`.
- *
- * @private
- * @name get
- * @memberOf MapCache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function mapGet(key) {
-  var data = this.__data__;
-  if (isKeyable(key)) {
-    return hashGet(typeof key == 'string' ? data.string : data.hash, key);
-  }
-  return Map ? data.map.get(key) : assocGet(data.map, key);
-}
-
-/**
- * Checks if a map value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf MapCache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function mapHas(key) {
-  var data = this.__data__;
-  if (isKeyable(key)) {
-    return hashHas(typeof key == 'string' ? data.string : data.hash, key);
-  }
-  return Map ? data.map.has(key) : assocHas(data.map, key);
-}
-
-/**
- * Sets the map `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf MapCache
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the map cache instance.
- */
-function mapSet(key, value) {
-  var data = this.__data__;
-  if (isKeyable(key)) {
-    hashSet(typeof key == 'string' ? data.string : data.hash, key, value);
-  } else if (Map) {
-    data.map.set(key, value);
-  } else {
-    assocSet(data.map, key, value);
-  }
-  return this;
-}
-
-// Add methods to `MapCache`.
-MapCache.prototype.clear = mapClear;
-MapCache.prototype['delete'] = mapDelete;
-MapCache.prototype.get = mapGet;
-MapCache.prototype.has = mapHas;
-MapCache.prototype.set = mapSet;
-
-/**
- * Removes `key` and its value from the associative array.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
-function assocDelete(array, key) {
-  var index = assocIndexOf(array, key);
-  if (index < 0) {
-    return false;
-  }
-  var lastIndex = array.length - 1;
-  if (index == lastIndex) {
-    array.pop();
-  } else {
-    splice.call(array, index, 1);
-  }
-  return true;
-}
-
-/**
- * Gets the associative array value for `key`.
- *
- * @private
- * @param {Array} array The array to query.
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
-function assocGet(array, key) {
-  var index = assocIndexOf(array, key);
-  return index < 0 ? undefined : array[index][1];
-}
-
-/**
- * Checks if an associative array value for `key` exists.
- *
- * @private
- * @param {Array} array The array to query.
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
-function assocHas(array, key) {
-  return assocIndexOf(array, key) > -1;
-}
-
-/**
- * Gets the index at which the `key` is found in `array` of key-value pairs.
- *
- * @private
- * @param {Array} array The array to search.
- * @param {*} key The key to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
-function assocIndexOf(array, key) {
-  var length = array.length;
-  while (length--) {
-    if (eq(array[length][0], key)) {
-      return length;
-    }
-  }
-  return -1;
-}
-
-/**
- * Sets the associative array `key` to `value`.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- */
-function assocSet(array, key, value) {
-  var index = assocIndexOf(array, key);
-  if (index < 0) {
-    array.push([key, value]);
-  } else {
-    array[index][1] = value;
-  }
-}
-
-/**
- * Gets the native function at `key` of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {string} key The key of the method to get.
- * @returns {*} Returns the function if it's native, else `undefined`.
- */
-function getNative(object, key) {
-  var value = object[key];
-  return isNative(value) ? value : undefined;
-}
-
-/**
- * Checks if `value` is suitable for use as unique object key.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
- */
-function isKeyable(value) {
-  var type = typeof value;
-  return type == 'number' || type == 'boolean' ||
-    (type == 'string' && value != '__proto__') || value == null;
-}
-
-/**
- * Converts `string` to a property path array.
- *
- * @private
- * @param {string} string The string to convert.
- * @returns {Array} Returns the property path array.
- */
-var stringToPath = memoize(function(string) {
-  var result = [];
-  toString(string).replace(rePropName, function(match, number, quote, string) {
-    result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
-  });
-  return result;
-});
-
-/**
- * Converts `func` to its source code.
- *
- * @private
- * @param {Function} func The function to process.
- * @returns {string} Returns the source code.
- */
-function toSource(func) {
-  if (func != null) {
-    try {
-      return funcToString.call(func);
-    } catch (e) {}
-    try {
-      return (func + '');
-    } catch (e) {}
-  }
-  return '';
-}
-
-/**
- * Creates a function that memoizes the result of `func`. If `resolver` is
- * provided, it determines the cache key for storing the result based on the
- * arguments provided to the memoized function. By default, the first argument
- * provided to the memoized function is used as the map cache key. The `func`
- * is invoked with the `this` binding of the memoized function.
- *
- * **Note:** The cache is exposed as the `cache` property on the memoized
- * function. Its creation may be customized by replacing the `_.memoize.Cache`
- * constructor with one whose instances implement the
- * [`Map`](http://ecma-international.org/ecma-262/6.0/#sec-properties-of-the-map-prototype-object)
- * method interface of `delete`, `get`, `has`, and `set`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {Function} func The function to have its output memoized.
- * @param {Function} [resolver] The function to resolve the cache key.
- * @returns {Function} Returns the new memoizing function.
- * @example
- *
- * var object = { 'a': 1, 'b': 2 };
- * var other = { 'c': 3, 'd': 4 };
- *
- * var values = _.memoize(_.values);
- * values(object);
- * // => [1, 2]
- *
- * values(other);
- * // => [3, 4]
- *
- * object.a = 2;
- * values(object);
- * // => [1, 2]
- *
- * // Modify the result cache.
- * values.cache.set(object, ['a', 'b']);
- * values(object);
- * // => ['a', 'b']
- *
- * // Replace `_.memoize.Cache`.
- * _.memoize.Cache = WeakMap;
- */
-function memoize(func, resolver) {
-  if (typeof func != 'function' || (resolver && typeof resolver != 'function')) {
-    throw new TypeError(FUNC_ERROR_TEXT);
-  }
-  var memoized = function() {
-    var args = arguments,
-        key = resolver ? resolver.apply(this, args) : args[0],
-        cache = memoized.cache;
-
-    if (cache.has(key)) {
-      return cache.get(key);
-    }
-    var result = func.apply(this, args);
-    memoized.cache = cache.set(key, result);
-    return result;
-  };
-  memoized.cache = new (memoize.Cache || MapCache);
-  return memoized;
-}
-
-// Assign cache to `_.memoize`.
-memoize.Cache = MapCache;
-
-/**
- * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
- * comparison between two values to determine if they are equivalent.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- * @example
- *
- * var object = { 'user': 'fred' };
- * var other = { 'user': 'fred' };
- *
- * _.eq(object, object);
- * // => true
- *
- * _.eq(object, other);
- * // => false
- *
- * _.eq('a', 'a');
- * // => true
- *
- * _.eq('a', Object('a'));
- * // => false
- *
- * _.eq(NaN, NaN);
- * // => true
- */
-function eq(value, other) {
-  return value === other || (value !== value && other !== other);
-}
-
-/**
- * Checks if `value` is classified as a `Function` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isFunction(_);
- * // => true
- *
- * _.isFunction(/abc/);
- * // => false
- */
-function isFunction(value) {
-  // The use of `Object#toString` avoids issues with the `typeof` operator
-  // in Safari 8 which returns 'object' for typed array and weak map constructors,
-  // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.
-  var tag = isObject(value) ? objectToString.call(value) : '';
-  return tag == funcTag || tag == genTag;
-}
-
-/**
- * Checks if `value` is the
- * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)
- * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an object, else `false`.
- * @example
- *
- * _.isObject({});
- * // => true
- *
- * _.isObject([1, 2, 3]);
- * // => true
- *
- * _.isObject(_.noop);
- * // => true
- *
- * _.isObject(null);
- * // => false
- */
-function isObject(value) {
-  var type = typeof value;
-  return !!value && (type == 'object' || type == 'function');
-}
-
-/**
- * Checks if `value` is object-like. A value is object-like if it's not `null`
- * and has a `typeof` result of "object".
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
- * @example
- *
- * _.isObjectLike({});
- * // => true
- *
- * _.isObjectLike([1, 2, 3]);
- * // => true
- *
- * _.isObjectLike(_.noop);
- * // => false
- *
- * _.isObjectLike(null);
- * // => false
- */
-function isObjectLike(value) {
-  return !!value && typeof value == 'object';
-}
-
-/**
- * Checks if `value` is a native function.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a native function,
- *  else `false`.
- * @example
- *
- * _.isNative(Array.prototype.push);
- * // => true
- *
- * _.isNative(_);
- * // => false
- */
-function isNative(value) {
-  if (!isObject(value)) {
-    return false;
-  }
-  var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;
-  return pattern.test(toSource(value));
-}
-
-/**
- * Checks if `value` is classified as a `Symbol` primitive or object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isSymbol(Symbol.iterator);
- * // => true
- *
- * _.isSymbol('abc');
- * // => false
- */
-function isSymbol(value) {
-  return typeof value == 'symbol' ||
-    (isObjectLike(value) && objectToString.call(value) == symbolTag);
-}
-
-/**
- * Converts `value` to a string if it's not one. An empty string is returned
- * for `null` and `undefined` values. The sign of `-0` is preserved.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to process.
- * @returns {string} Returns the string.
- * @example
- *
- * _.toString(null);
- * // => ''
- *
- * _.toString(-0);
- * // => '-0'
- *
- * _.toString([1, 2, 3]);
- * // => '1,2,3'
- */
-function toString(value) {
-  // Exit early for strings to avoid a performance hit in some environments.
-  if (typeof value == 'string') {
-    return value;
-  }
-  if (value == null) {
-    return '';
-  }
-  if (isSymbol(value)) {
-    return symbolToString ? symbolToString.call(value) : '';
-  }
-  var result = (value + '');
-  return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
-}
-
-module.exports = stringToPath;
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],36:[function(require,module,exports){
-/**
- * lodash 4.3.0 (Custom Build) <https://lodash.com/>
- * Build: `lodash modularize exports="npm" -o ./`
- * Copyright jQuery Foundation and other contributors <https://jquery.org/>
- * Released under MIT license <https://lodash.com/license>
- * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- */
-var baseEach = require('lodash._baseeach'),
-    baseFind = require('lodash._basefind'),
-    baseFindIndex = require('lodash._basefindindex'),
-    baseIteratee = require('lodash._baseiteratee');
-
-/**
- * Iterates over elements of `collection`, returning the first element
- * `predicate` returns truthy for. The predicate is invoked with three
- * arguments: (value, index|key, collection).
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to search.
- * @param {Array|Function|Object|string} [predicate=_.identity]
- *  The function invoked per iteration.
- * @returns {*} Returns the matched element, else `undefined`.
- * @example
- *
- * var users = [
- *   { 'user': 'barney',  'age': 36, 'active': true },
- *   { 'user': 'fred',    'age': 40, 'active': false },
- *   { 'user': 'pebbles', 'age': 1,  'active': true }
- * ];
- *
- * _.find(users, function(o) { return o.age < 40; });
- * // => object for 'barney'
- *
- * // The `_.matches` iteratee shorthand.
- * _.find(users, { 'age': 1, 'active': true });
- * // => object for 'pebbles'
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.find(users, ['active', false]);
- * // => object for 'fred'
- *
- * // The `_.property` iteratee shorthand.
- * _.find(users, 'active');
- * // => object for 'barney'
- */
-function find(collection, predicate) {
-  predicate = baseIteratee(predicate, 3);
-  if (isArray(collection)) {
-    var index = baseFindIndex(collection, predicate);
-    return index > -1 ? collection[index] : undefined;
-  }
-  return baseFind(collection, predicate, baseEach);
-}
-
-/**
- * Checks if `value` is classified as an `Array` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @type {Function}
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified,
- *  else `false`.
- * @example
- *
- * _.isArray([1, 2, 3]);
- * // => true
- *
- * _.isArray(document.body.children);
- * // => false
- *
- * _.isArray('abc');
- * // => false
- *
- * _.isArray(_.noop);
- * // => false
- */
-var isArray = Array.isArray;
-
-module.exports = find;
-
-},{"lodash._baseeach":31,"lodash._basefind":32,"lodash._basefindindex":33,"lodash._baseiteratee":34}],37:[function(require,module,exports){
-/**
- * Helpers.
- */
-
-var s = 1000;
-var m = s * 60;
-var h = m * 60;
-var d = h * 24;
-var y = d * 365.25;
-
-/**
- * Parse or format the given `val`.
- *
- * Options:
- *
- *  - `long` verbose formatting [false]
- *
- * @param {String|Number} val
- * @param {Object} options
- * @return {String|Number}
- * @api public
- */
-
-module.exports = function(val, options){
-  options = options || {};
-  if ('string' == typeof val) return parse(val);
-  return options.long
-    ? long(val)
-    : short(val);
-};
-
-/**
- * Parse the given `str` and return milliseconds.
- *
- * @param {String} str
- * @return {Number}
- * @api private
- */
-
-function parse(str) {
-  str = '' + str;
-  if (str.length > 10000) return;
-  var match = /^((?:\d+)?\.?\d+) *(milliseconds?|msecs?|ms|seconds?|secs?|s|minutes?|mins?|m|hours?|hrs?|h|days?|d|years?|yrs?|y)?$/i.exec(str);
-  if (!match) return;
-  var n = parseFloat(match[1]);
-  var type = (match[2] || 'ms').toLowerCase();
-  switch (type) {
-    case 'years':
-    case 'year':
-    case 'yrs':
-    case 'yr':
-    case 'y':
-      return n * y;
-    case 'days':
-    case 'day':
-    case 'd':
-      return n * d;
-    case 'hours':
-    case 'hour':
-    case 'hrs':
-    case 'hr':
-    case 'h':
-      return n * h;
-    case 'minutes':
-    case 'minute':
-    case 'mins':
-    case 'min':
-    case 'm':
-      return n * m;
-    case 'seconds':
-    case 'second':
-    case 'secs':
-    case 'sec':
-    case 's':
-      return n * s;
-    case 'milliseconds':
-    case 'millisecond':
-    case 'msecs':
-    case 'msec':
-    case 'ms':
-      return n;
-  }
-}
-
-/**
- * Short format for `ms`.
- *
- * @param {Number} ms
- * @return {String}
- * @api private
+ * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
+ * @license  MIT
  */
 
-function short(ms) {
-  if (ms >= d) return Math.round(ms / d) + 'd';
-  if (ms >= h) return Math.round(ms / h) + 'h';
-  if (ms >= m) return Math.round(ms / m) + 'm';
-  if (ms >= s) return Math.round(ms / s) + 's';
-  return ms + 'ms';
+// The _isBuffer check is for Safari 5-7 support, because it's missing
+// Object.prototype.constructor. Remove this eventually
+module.exports = function (obj) {
+  return obj != null && (isBuffer(obj) || isSlowBuffer(obj) || !!obj._isBuffer)
 }
 
-/**
- * Long format for `ms`.
- *
- * @param {Number} ms
- * @return {String}
- * @api private
- */
+function isBuffer (obj) {
+  return !!obj.constructor && typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+}
 
-function long(ms) {
-  return plural(ms, d, 'day')
-    || plural(ms, h, 'hour')
-    || plural(ms, m, 'minute')
-    || plural(ms, s, 'second')
-    || ms + ' ms';
+// For Node v0.10 support. Remove this eventually.
+function isSlowBuffer (obj) {
+  return typeof obj.readFloatLE === 'function' && typeof obj.slice === 'function' && isBuffer(obj.slice(0, 0))
 }
 
-/**
- * Pluralization helper.
- */
+},{}],29:[function(require,module,exports){
+var toString = {}.toString;
 
-function plural(ms, n, name) {
-  if (ms < n) return;
-  if (ms < n * 1.5) return Math.floor(ms / n) + ' ' + name;
-  return Math.ceil(ms / n) + ' ' + name + 's';
-}
+module.exports = Array.isArray || function (arr) {
+  return toString.call(arr) == '[object Array]';
+};
 
-},{}],38:[function(require,module,exports){
+},{}],30:[function(require,module,exports){
 'use strict';
 
 
@@ -14836,28 +11233,28 @@ exports.shrinkBuf = function (buf, size) {
 var fnTyped = {
   arraySet: function (dest, src, src_offs, len, dest_offs) {
     if (src.subarray && dest.subarray) {
-      dest.set(src.subarray(src_offs, src_offs+len), dest_offs);
+      dest.set(src.subarray(src_offs, src_offs + len), dest_offs);
       return;
     }
     // Fallback to ordinary array
-    for (var i=0; i<len; i++) {
+    for (var i = 0; i < len; i++) {
       dest[dest_offs + i] = src[src_offs + i];
     }
   },
   // Join array of chunks to single array.
-  flattenChunks: function(chunks) {
+  flattenChunks: function (chunks) {
     var i, l, len, pos, chunk, result;
 
     // calculate data length
     len = 0;
-    for (i=0, l=chunks.length; i<l; i++) {
+    for (i = 0, l = chunks.length; i < l; i++) {
       len += chunks[i].length;
     }
 
     // join chunks
     result = new Uint8Array(len);
     pos = 0;
-    for (i=0, l=chunks.length; i<l; i++) {
+    for (i = 0, l = chunks.length; i < l; i++) {
       chunk = chunks[i];
       result.set(chunk, pos);
       pos += chunk.length;
@@ -14869,12 +11266,12 @@ var fnTyped = {
 
 var fnUntyped = {
   arraySet: function (dest, src, src_offs, len, dest_offs) {
-    for (var i=0; i<len; i++) {
+    for (var i = 0; i < len; i++) {
       dest[dest_offs + i] = src[src_offs + i];
     }
   },
   // Join array of chunks to single array.
-  flattenChunks: function(chunks) {
+  flattenChunks: function (chunks) {
     return [].concat.apply([], chunks);
   }
 };
@@ -14898,7 +11295,7 @@ exports.setTyped = function (on) {
 
 exports.setTyped(TYPED_OK);
 
-},{}],39:[function(require,module,exports){
+},{}],31:[function(require,module,exports){
 'use strict';
 
 // Note: adler32 takes 12% for level 0 and 2% for level 6.
@@ -14932,7 +11329,10 @@ function adler32(adler, buf, len, pos) {
 
 module.exports = adler32;
 
-},{}],40:[function(require,module,exports){
+},{}],32:[function(require,module,exports){
+'use strict';
+
+
 module.exports = {
 
   /* Allowed flush values; see deflate() and inflate() below for details */
@@ -14981,7 +11381,7 @@ module.exports = {
   //Z_NULL:                 null // Use -1 or null inline, depending on var type
 };
 
-},{}],41:[function(require,module,exports){
+},{}],33:[function(require,module,exports){
 'use strict';
 
 // Note: we can't get significant speed boost here.
@@ -14993,10 +11393,10 @@ module.exports = {
 function makeTable() {
   var c, table = [];
 
-  for (var n =0; n < 256; n++) {
+  for (var n = 0; n < 256; n++) {
     c = n;
-    for (var k =0; k < 8; k++) {
-      c = ((c&1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
+    for (var k = 0; k < 8; k++) {
+      c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
     }
     table[n] = c;
   }
@@ -15012,7 +11412,7 @@ function crc32(crc, buf, len, pos) {
   var t = crcTable,
       end = pos + len;
 
-  crc = crc ^ (-1);
+  crc ^= -1;
 
   for (var i = pos; i < end; i++) {
     crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF];
@@ -15024,14 +11424,14 @@ function crc32(crc, buf, len, pos) {
 
 module.exports = crc32;
 
-},{}],42:[function(require,module,exports){
+},{}],34:[function(require,module,exports){
 'use strict';
 
 var utils   = require('../utils/common');
 var trees   = require('./trees');
 var adler32 = require('./adler32');
 var crc32   = require('./crc32');
-var msg   = require('./messages');
+var msg     = require('./messages');
 
 /* Public constants ==========================================================*/
 /* ===========================================================================*/
@@ -15104,7 +11504,7 @@ var D_CODES       = 30;
 /* number of distance codes */
 var BL_CODES      = 19;
 /* number of codes used to transfer the bit lengths */
-var HEAP_SIZE     = 2*L_CODES + 1;
+var HEAP_SIZE     = 2 * L_CODES + 1;
 /* maximum heap size */
 var MAX_BITS  = 15;
 /* All codes must not exceed MAX_BITS bits */
@@ -15170,7 +11570,7 @@ function flush_pending(strm) {
 }
 
 
-function flush_block_only (s, last) {
+function flush_block_only(s, last) {
   trees._tr_flush_block(s, (s.block_start >= 0 ? s.block_start : -1), s.strstart - s.block_start, last);
   s.block_start = s.strstart;
   flush_pending(s.strm);
@@ -15210,6 +11610,7 @@ function read_buf(strm, buf, start, size) {
 
   strm.avail_in -= len;
 
+  // zmemcpy(buf, strm->next_in, len);
   utils.arraySet(buf, strm.input, strm.next_in, len, start);
   if (strm.state.wrap === 1) {
     strm.adler = adler32(strm.adler, buf, len, start);
@@ -15440,7 +11841,7 @@ function fill_window(s) {
 //#endif
       while (s.insert) {
         /* UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); */
-        s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH-1]) & s.hash_mask;
+        s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask;
 
         s.prev[str & s.w_mask] = s.head[s.ins_h];
         s.head[s.ins_h] = str;
@@ -15704,7 +12105,7 @@ function deflate_fast(s, flush) {
       /***/
     }
   }
-  s.insert = ((s.strstart < (MIN_MATCH-1)) ? s.strstart : MIN_MATCH-1);
+  s.insert = ((s.strstart < (MIN_MATCH - 1)) ? s.strstart : MIN_MATCH - 1);
   if (flush === Z_FINISH) {
     /*** FLUSH_BLOCK(s, 1); ***/
     flush_block_only(s, true);
@@ -15767,10 +12168,10 @@ function deflate_slow(s, flush) {
      */
     s.prev_length = s.match_length;
     s.prev_match = s.match_start;
-    s.match_length = MIN_MATCH-1;
+    s.match_length = MIN_MATCH - 1;
 
     if (hash_head !== 0/*NIL*/ && s.prev_length < s.max_lazy_match &&
-        s.strstart - hash_head <= (s.w_size-MIN_LOOKAHEAD)/*MAX_DIST(s)*/) {
+        s.strstart - hash_head <= (s.w_size - MIN_LOOKAHEAD)/*MAX_DIST(s)*/) {
       /* To simplify the code, we prevent matches with the string
        * of window index 0 (in particular we have to avoid a match
        * of the string with itself at the start of the input file).
@@ -15784,7 +12185,7 @@ function deflate_slow(s, flush) {
         /* If prev_match is also MIN_MATCH, match_start is garbage
          * but we will ignore the current match anyway.
          */
-        s.match_length = MIN_MATCH-1;
+        s.match_length = MIN_MATCH - 1;
       }
     }
     /* If there was a match at the previous step and the current
@@ -15798,13 +12199,13 @@ function deflate_slow(s, flush) {
 
       /***_tr_tally_dist(s, s.strstart - 1 - s.prev_match,
                      s.prev_length - MIN_MATCH, bflush);***/
-      bflush = trees._tr_tally(s, s.strstart - 1- s.prev_match, s.prev_length - MIN_MATCH);
+      bflush = trees._tr_tally(s, s.strstart - 1 - s.prev_match, s.prev_length - MIN_MATCH);
       /* Insert in hash table all strings up to the end of the match.
        * strstart-1 and strstart are already inserted. If there is not
        * enough lookahead, the last two strings are not inserted in
        * the hash table.
        */
-      s.lookahead -= s.prev_length-1;
+      s.lookahead -= s.prev_length - 1;
       s.prev_length -= 2;
       do {
         if (++s.strstart <= max_insert) {
@@ -15816,7 +12217,7 @@ function deflate_slow(s, flush) {
         }
       } while (--s.prev_length !== 0);
       s.match_available = 0;
-      s.match_length = MIN_MATCH-1;
+      s.match_length = MIN_MATCH - 1;
       s.strstart++;
 
       if (bflush) {
@@ -15835,7 +12236,7 @@ function deflate_slow(s, flush) {
        */
       //Tracevv((stderr,"%c", s->window[s->strstart-1]));
       /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/
-      bflush = trees._tr_tally(s, 0, s.window[s.strstart-1]);
+      bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]);
 
       if (bflush) {
         /*** FLUSH_BLOCK_ONLY(s, 0) ***/
@@ -15860,11 +12261,11 @@ function deflate_slow(s, flush) {
   if (s.match_available) {
     //Tracevv((stderr,"%c", s->window[s->strstart-1]));
     /*** _tr_tally_lit(s, s.window[s.strstart-1], bflush); ***/
-    bflush = trees._tr_tally(s, 0, s.window[s.strstart-1]);
+    bflush = trees._tr_tally(s, 0, s.window[s.strstart - 1]);
 
     s.match_available = 0;
   }
-  s.insert = s.strstart < MIN_MATCH-1 ? s.strstart : MIN_MATCH-1;
+  s.insert = s.strstart < MIN_MATCH - 1 ? s.strstart : MIN_MATCH - 1;
   if (flush === Z_FINISH) {
     /*** FLUSH_BLOCK(s, 1); ***/
     flush_block_only(s, true);
@@ -16044,13 +12445,13 @@ function deflate_huff(s, flush) {
  * exclude worst case performance for pathological files. Better values may be
  * found for specific files.
  */
-var Config = function (good_length, max_lazy, nice_length, max_chain, func) {
+function Config(good_length, max_lazy, nice_length, max_chain, func) {
   this.good_length = good_length;
   this.max_lazy = max_lazy;
   this.nice_length = nice_length;
   this.max_chain = max_chain;
   this.func = func;
-};
+}
 
 var configuration_table;
 
@@ -16200,8 +12601,8 @@ function DeflateState() {
   // Use flat array of DOUBLE size, with interleaved fata,
   // because JS does not support effective
   this.dyn_ltree  = new utils.Buf16(HEAP_SIZE * 2);
-  this.dyn_dtree  = new utils.Buf16((2*D_CODES+1) * 2);
-  this.bl_tree    = new utils.Buf16((2*BL_CODES+1) * 2);
+  this.dyn_dtree  = new utils.Buf16((2 * D_CODES + 1) * 2);
+  this.bl_tree    = new utils.Buf16((2 * BL_CODES + 1) * 2);
   zero(this.dyn_ltree);
   zero(this.dyn_dtree);
   zero(this.bl_tree);
@@ -16211,11 +12612,11 @@ function DeflateState() {
   this.bl_desc  = null;         /* desc. for bit length tree */
 
   //ush bl_count[MAX_BITS+1];
-  this.bl_count = new utils.Buf16(MAX_BITS+1);
+  this.bl_count = new utils.Buf16(MAX_BITS + 1);
   /* number of codes at each bit length for an optimal tree */
 
   //int heap[2*L_CODES+1];      /* heap used to build the Huffman trees */
-  this.heap = new utils.Buf16(2*L_CODES+1);  /* heap used to build the Huffman trees */
+  this.heap = new utils.Buf16(2 * L_CODES + 1);  /* heap used to build the Huffman trees */
   zero(this.heap);
 
   this.heap_len = 0;               /* number of elements in the heap */
@@ -16224,7 +12625,7 @@ function DeflateState() {
    * The same heap array is used to build all trees.
    */
 
-  this.depth = new utils.Buf16(2*L_CODES+1); //uch depth[2*L_CODES+1];
+  this.depth = new utils.Buf16(2 * L_CODES + 1); //uch depth[2*L_CODES+1];
   zero(this.depth);
   /* Depth of each subtree used as tie breaker for trees of equal frequency
    */
@@ -16390,9 +12791,16 @@ function deflateInit2(strm, level, method, windowBits, memLevel, strategy) {
   s.lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */
 
   s.pending_buf_size = s.lit_bufsize * 4;
+
+  //overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2);
+  //s->pending_buf = (uchf *) overlay;
   s.pending_buf = new utils.Buf8(s.pending_buf_size);
 
-  s.d_buf = s.lit_bufsize >> 1;
+  // It is offset from `s.pending_buf` (size is `s.lit_bufsize * 2`)
+  //s->d_buf = overlay + s->lit_bufsize/sizeof(ush);
+  s.d_buf = 1 * s.lit_bufsize;
+
+  //s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize;
   s.l_buf = (1 + 2) * s.lit_bufsize;
 
   s.level = level;
@@ -16765,12 +13173,94 @@ function deflateEnd(strm) {
   return status === BUSY_STATE ? err(strm, Z_DATA_ERROR) : Z_OK;
 }
 
+
 /* =========================================================================
- * Copy the source state to the destination state
+ * Initializes the compression dictionary from the given byte
+ * sequence without producing any compressed output.
  */
-//function deflateCopy(dest, source) {
-//
-//}
+function deflateSetDictionary(strm, dictionary) {
+  var dictLength = dictionary.length;
+
+  var s;
+  var str, n;
+  var wrap;
+  var avail;
+  var next;
+  var input;
+  var tmpDict;
+
+  if (!strm/*== Z_NULL*/ || !strm.state/*== Z_NULL*/) {
+    return Z_STREAM_ERROR;
+  }
+
+  s = strm.state;
+  wrap = s.wrap;
+
+  if (wrap === 2 || (wrap === 1 && s.status !== INIT_STATE) || s.lookahead) {
+    return Z_STREAM_ERROR;
+  }
+
+  /* when using zlib wrappers, compute Adler-32 for provided dictionary */
+  if (wrap === 1) {
+    /* adler32(strm->adler, dictionary, dictLength); */
+    strm.adler = adler32(strm.adler, dictionary, dictLength, 0);
+  }
+
+  s.wrap = 0;   /* avoid computing Adler-32 in read_buf */
+
+  /* if dictionary would fill window, just replace the history */
+  if (dictLength >= s.w_size) {
+    if (wrap === 0) {            /* already empty otherwise */
+      /*** CLEAR_HASH(s); ***/
+      zero(s.head); // Fill with NIL (= 0);
+      s.strstart = 0;
+      s.block_start = 0;
+      s.insert = 0;
+    }
+    /* use the tail */
+    // dictionary = dictionary.slice(dictLength - s.w_size);
+    tmpDict = new utils.Buf8(s.w_size);
+    utils.arraySet(tmpDict, dictionary, dictLength - s.w_size, s.w_size, 0);
+    dictionary = tmpDict;
+    dictLength = s.w_size;
+  }
+  /* insert dictionary into window and hash */
+  avail = strm.avail_in;
+  next = strm.next_in;
+  input = strm.input;
+  strm.avail_in = dictLength;
+  strm.next_in = 0;
+  strm.input = dictionary;
+  fill_window(s);
+  while (s.lookahead >= MIN_MATCH) {
+    str = s.strstart;
+    n = s.lookahead - (MIN_MATCH - 1);
+    do {
+      /* UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]); */
+      s.ins_h = ((s.ins_h << s.hash_shift) ^ s.window[str + MIN_MATCH - 1]) & s.hash_mask;
+
+      s.prev[str & s.w_mask] = s.head[s.ins_h];
+
+      s.head[s.ins_h] = str;
+      str++;
+    } while (--n);
+    s.strstart = str;
+    s.lookahead = MIN_MATCH - 1;
+    fill_window(s);
+  }
+  s.strstart += s.lookahead;
+  s.block_start = s.strstart;
+  s.insert = s.lookahead;
+  s.lookahead = 0;
+  s.match_length = s.prev_length = MIN_MATCH - 1;
+  s.match_available = 0;
+  strm.next_in = next;
+  strm.input = input;
+  strm.avail_in = avail;
+  s.wrap = wrap;
+  return Z_OK;
+}
+
 
 exports.deflateInit = deflateInit;
 exports.deflateInit2 = deflateInit2;
@@ -16779,19 +13269,19 @@ exports.deflateResetKeep = deflateResetKeep;
 exports.deflateSetHeader = deflateSetHeader;
 exports.deflate = deflate;
 exports.deflateEnd = deflateEnd;
+exports.deflateSetDictionary = deflateSetDictionary;
 exports.deflateInfo = 'pako deflate (from Nodeca project)';
 
 /* Not implemented
 exports.deflateBound = deflateBound;
 exports.deflateCopy = deflateCopy;
-exports.deflateSetDictionary = deflateSetDictionary;
 exports.deflateParams = deflateParams;
 exports.deflatePending = deflatePending;
 exports.deflatePrime = deflatePrime;
 exports.deflateTune = deflateTune;
 */
 
-},{"../utils/common":38,"./adler32":39,"./crc32":41,"./messages":46,"./trees":47}],43:[function(require,module,exports){
+},{"../utils/common":30,"./adler32":31,"./crc32":33,"./messages":38,"./trees":39}],35:[function(require,module,exports){
 'use strict';
 
 // See state defs from inflate.js
@@ -17119,14 +13609,14 @@ module.exports = function inflate_fast(strm, start) {
   return;
 };
 
-},{}],44:[function(require,module,exports){
+},{}],36:[function(require,module,exports){
 'use strict';
 
 
-var utils = require('../utils/common');
-var adler32 = require('./adler32');
-var crc32   = require('./crc32');
-var inflate_fast = require('./inffast');
+var utils         = require('../utils/common');
+var adler32       = require('./adler32');
+var crc32         = require('./crc32');
+var inflate_fast  = require('./inffast');
 var inflate_table = require('./inftrees');
 
 var CODES = 0;
@@ -17214,7 +13704,7 @@ var MAX_WBITS = 15;
 var DEF_WBITS = MAX_WBITS;
 
 
-function ZSWAP32(q) {
+function zswap32(q) {
   return  (((q >>> 24) & 0xff) +
           ((q >>> 8) & 0xff00) +
           ((q & 0xff00) << 8) +
@@ -17407,13 +13897,13 @@ function fixedtables(state) {
     while (sym < 280) { state.lens[sym++] = 7; }
     while (sym < 288) { state.lens[sym++] = 8; }
 
-    inflate_table(LENS,  state.lens, 0, 288, lenfix,   0, state.work, {bits: 9});
+    inflate_table(LENS,  state.lens, 0, 288, lenfix,   0, state.work, { bits: 9 });
 
     /* distance table */
     sym = 0;
     while (sym < 32) { state.lens[sym++] = 5; }
 
-    inflate_table(DISTS, state.lens, 0, 32,   distfix, 0, state.work, {bits: 5});
+    inflate_table(DISTS, state.lens, 0, 32,   distfix, 0, state.work, { bits: 5 });
 
     /* do this just once */
     virgin = false;
@@ -17455,7 +13945,7 @@ function updatewindow(strm, src, end, copy) {
 
   /* copy state->wsize or less output bytes into the circular window */
   if (copy >= state.wsize) {
-    utils.arraySet(state.window,src, end - state.wsize, state.wsize, 0);
+    utils.arraySet(state.window, src, end - state.wsize, state.wsize, 0);
     state.wnext = 0;
     state.whave = state.wsize;
   }
@@ -17465,11 +13955,11 @@ function updatewindow(strm, src, end, copy) {
       dist = copy;
     }
     //zmemcpy(state->window + state->wnext, end - copy, dist);
-    utils.arraySet(state.window,src, end - copy, dist, state.wnext);
+    utils.arraySet(state.window, src, end - copy, dist, state.wnext);
     copy -= dist;
     if (copy) {
       //zmemcpy(state->window, end - copy, copy);
-      utils.arraySet(state.window,src, end - copy, copy, 0);
+      utils.arraySet(state.window, src, end - copy, copy, 0);
       state.wnext = copy;
       state.whave = state.wsize;
     }
@@ -17506,7 +13996,7 @@ function inflate(strm, flush) {
   var n; // temporary var for NEED_BITS
 
   var order = /* permutation of code lengths */
-    [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15];
+    [ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 ];
 
 
   if (!strm || !strm.state || !strm.output ||
@@ -17833,7 +14323,7 @@ function inflate(strm, flush) {
         state.head.hcrc = ((state.flags >> 9) & 1);
         state.head.done = true;
       }
-      strm.adler = state.check = 0 /*crc32(0L, Z_NULL, 0)*/;
+      strm.adler = state.check = 0;
       state.mode = TYPE;
       break;
     case DICTID:
@@ -17845,7 +14335,7 @@ function inflate(strm, flush) {
         bits += 8;
       }
       //===//
-      strm.adler = state.check = ZSWAP32(hold);
+      strm.adler = state.check = zswap32(hold);
       //=== INITBITS();
       hold = 0;
       bits = 0;
@@ -18037,7 +14527,7 @@ function inflate(strm, flush) {
       state.lencode = state.lendyn;
       state.lenbits = 7;
 
-      opts = {bits: state.lenbits};
+      opts = { bits: state.lenbits };
       ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts);
       state.lenbits = opts.bits;
 
@@ -18168,7 +14658,7 @@ function inflate(strm, flush) {
          concerning the ENOUGH constants, which depend on those values */
       state.lenbits = 9;
 
-      opts = {bits: state.lenbits};
+      opts = { bits: state.lenbits };
       ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts);
       // We have separate tables & no pointers. 2 commented lines below not needed.
       // state.next_index = opts.table_index;
@@ -18185,7 +14675,7 @@ function inflate(strm, flush) {
       //state.distcode.copy(state.codes);
       // Switch to use dynamic table
       state.distcode = state.distdyn;
-      opts = {bits: state.distbits};
+      opts = { bits: state.distbits };
       ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts);
       // We have separate tables & no pointers. 2 commented lines below not needed.
       // state.next_index = opts.table_index;
@@ -18233,7 +14723,7 @@ function inflate(strm, flush) {
       }
       state.back = 0;
       for (;;) {
-        here = state.lencode[hold & ((1 << state.lenbits) -1)];  /*BITS(state.lenbits)*/
+        here = state.lencode[hold & ((1 << state.lenbits) - 1)];  /*BITS(state.lenbits)*/
         here_bits = here >>> 24;
         here_op = (here >>> 16) & 0xff;
         here_val = here & 0xffff;
@@ -18252,7 +14742,7 @@ function inflate(strm, flush) {
         last_val = here_val;
         for (;;) {
           here = state.lencode[last_val +
-                  ((hold & ((1 << (last_bits + last_op)) -1))/*BITS(last.bits + last.op)*/ >> last_bits)];
+                  ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)];
           here_bits = here >>> 24;
           here_op = (here >>> 16) & 0xff;
           here_val = here & 0xffff;
@@ -18309,7 +14799,7 @@ function inflate(strm, flush) {
           bits += 8;
         }
         //===//
-        state.length += hold & ((1 << state.extra) -1)/*BITS(state.extra)*/;
+        state.length += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/;
         //--- DROPBITS(state.extra) ---//
         hold >>>= state.extra;
         bits -= state.extra;
@@ -18322,7 +14812,7 @@ function inflate(strm, flush) {
       /* falls through */
     case DIST:
       for (;;) {
-        here = state.distcode[hold & ((1 << state.distbits) -1)];/*BITS(state.distbits)*/
+        here = state.distcode[hold & ((1 << state.distbits) - 1)];/*BITS(state.distbits)*/
         here_bits = here >>> 24;
         here_op = (here >>> 16) & 0xff;
         here_val = here & 0xffff;
@@ -18341,7 +14831,7 @@ function inflate(strm, flush) {
         last_val = here_val;
         for (;;) {
           here = state.distcode[last_val +
-                  ((hold & ((1 << (last_bits + last_op)) -1))/*BITS(last.bits + last.op)*/ >> last_bits)];
+                  ((hold & ((1 << (last_bits + last_op)) - 1))/*BITS(last.bits + last.op)*/ >> last_bits)];
           here_bits = here >>> 24;
           here_op = (here >>> 16) & 0xff;
           here_val = here & 0xffff;
@@ -18385,7 +14875,7 @@ function inflate(strm, flush) {
           bits += 8;
         }
         //===//
-        state.offset += hold & ((1 << state.extra) -1)/*BITS(state.extra)*/;
+        state.offset += hold & ((1 << state.extra) - 1)/*BITS(state.extra)*/;
         //--- DROPBITS(state.extra) ---//
         hold >>>= state.extra;
         bits -= state.extra;
@@ -18479,8 +14969,8 @@ function inflate(strm, flush) {
 
         }
         _out = left;
-        // NB: crc32 stored as signed 32-bit int, ZSWAP32 returns signed too
-        if ((state.flags ? hold : ZSWAP32(hold)) !== state.check) {
+        // NB: crc32 stored as signed 32-bit int, zswap32 returns signed too
+        if ((state.flags ? hold : zswap32(hold)) !== state.check) {
           strm.msg = 'incorrect data check';
           state.mode = BAD;
           break;
@@ -18602,6 +15092,41 @@ function inflateGetHeader(strm, head) {
   return Z_OK;
 }
 
+function inflateSetDictionary(strm, dictionary) {
+  var dictLength = dictionary.length;
+
+  var state;
+  var dictid;
+  var ret;
+
+  /* check state */
+  if (!strm /* == Z_NULL */ || !strm.state /* == Z_NULL */) { return Z_STREAM_ERROR; }
+  state = strm.state;
+
+  if (state.wrap !== 0 && state.mode !== DICT) {
+    return Z_STREAM_ERROR;
+  }
+
+  /* check for correct dictionary identifier */
+  if (state.mode === DICT) {
+    dictid = 1; /* adler32(0, null, 0)*/
+    /* dictid = adler32(dictid, dictionary, dictLength); */
+    dictid = adler32(dictid, dictionary, dictLength, 0);
+    if (dictid !== state.check) {
+      return Z_DATA_ERROR;
+    }
+  }
+  /* copy dictionary to window using updatewindow(), which will amend the
+   existing dictionary if appropriate */
+  ret = updatewindow(strm, dictionary, dictLength, dictLength);
+  if (ret) {
+    state.mode = MEM;
+    return Z_MEM_ERROR;
+  }
+  state.havedict = 1;
+  // Tracev((stderr, "inflate:   dictionary set\n"));
+  return Z_OK;
+}
 
 exports.inflateReset = inflateReset;
 exports.inflateReset2 = inflateReset2;
@@ -18611,6 +15136,7 @@ exports.inflateInit2 = inflateInit2;
 exports.inflate = inflate;
 exports.inflateEnd = inflateEnd;
 exports.inflateGetHeader = inflateGetHeader;
+exports.inflateSetDictionary = inflateSetDictionary;
 exports.inflateInfo = 'pako inflate (from Nodeca project)';
 
 /* Not implemented
@@ -18618,13 +15144,12 @@ exports.inflateCopy = inflateCopy;
 exports.inflateGetDictionary = inflateGetDictionary;
 exports.inflateMark = inflateMark;
 exports.inflatePrime = inflatePrime;
-exports.inflateSetDictionary = inflateSetDictionary;
 exports.inflateSync = inflateSync;
 exports.inflateSyncPoint = inflateSyncPoint;
 exports.inflateUndermine = inflateUndermine;
 */
 
-},{"../utils/common":38,"./adler32":39,"./crc32":41,"./inffast":43,"./inftrees":45}],45:[function(require,module,exports){
+},{"../utils/common":30,"./adler32":31,"./crc32":33,"./inffast":35,"./inftrees":37}],37:[function(require,module,exports){
 'use strict';
 
 
@@ -18684,8 +15209,8 @@ module.exports = function inflate_table(type, lens, lens_index, codes, table, ta
   var base_index = 0;
 //  var shoextra;    /* extra bits table to use */
   var end;                    /* use base and extra for symbol > end */
-  var count = new utils.Buf16(MAXBITS+1); //[MAXBITS+1];    /* number of codes of each length */
-  var offs = new utils.Buf16(MAXBITS+1); //[MAXBITS+1];     /* offsets in table for each length */
+  var count = new utils.Buf16(MAXBITS + 1); //[MAXBITS+1];    /* number of codes of each length */
+  var offs = new utils.Buf16(MAXBITS + 1); //[MAXBITS+1];     /* offsets in table for each length */
   var extra = null;
   var extra_index = 0;
 
@@ -18854,7 +15379,7 @@ module.exports = function inflate_table(type, lens, lens_index, codes, table, ta
     return 1;
   }
 
-  var i=0;
+  var i = 0;
   /* process all codes and make table entries */
   for (;;) {
     i++;
@@ -18953,13 +15478,13 @@ module.exports = function inflate_table(type, lens, lens_index, codes, table, ta
   return 0;
 };
 
-},{"../utils/common":38}],46:[function(require,module,exports){
+},{"../utils/common":30}],38:[function(require,module,exports){
 'use strict';
 
 module.exports = {
-  '2':    'need dictionary',     /* Z_NEED_DICT       2  */
-  '1':    'stream end',          /* Z_STREAM_END      1  */
-  '0':    '',                    /* Z_OK              0  */
+  2:      'need dictionary',     /* Z_NEED_DICT       2  */
+  1:      'stream end',          /* Z_STREAM_END      1  */
+  0:      '',                    /* Z_OK              0  */
   '-1':   'file error',          /* Z_ERRNO         (-1) */
   '-2':   'stream error',        /* Z_STREAM_ERROR  (-2) */
   '-3':   'data error',          /* Z_DATA_ERROR    (-3) */
@@ -18968,7 +15493,7 @@ module.exports = {
   '-6':   'incompatible version' /* Z_VERSION_ERROR (-6) */
 };
 
-},{}],47:[function(require,module,exports){
+},{}],39:[function(require,module,exports){
 'use strict';
 
 
@@ -19026,7 +15551,7 @@ var D_CODES       = 30;
 var BL_CODES      = 19;
 /* number of codes used to transfer the bit lengths */
 
-var HEAP_SIZE     = 2*L_CODES + 1;
+var HEAP_SIZE     = 2 * L_CODES + 1;
 /* maximum heap size */
 
 var MAX_BITS      = 15;
@@ -19055,6 +15580,7 @@ var REPZ_3_10   = 17;
 var REPZ_11_138 = 18;
 /* repeat a zero length 11-138 times  (7 bits of repeat count) */
 
+/* eslint-disable comma-spacing,array-bracket-spacing */
 var extra_lbits =   /* extra bits for each length code */
   [0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];
 
@@ -19066,6 +15592,8 @@ var extra_blbits =  /* extra bits for each bit length code */
 
 var bl_order =
   [16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];
+/* eslint-enable comma-spacing,array-bracket-spacing */
+
 /* The lengths of the bit length codes are sent in order of decreasing
  * probability, to avoid transmitting the lengths for unused bit length codes.
  */
@@ -19079,7 +15607,7 @@ var bl_order =
 var DIST_CODE_LEN = 512; /* see definition of array dist_code below */
 
 // !!!! Use flat array insdead of structure, Freq = i*2, Len = i*2+1
-var static_ltree  = new Array((L_CODES+2) * 2);
+var static_ltree  = new Array((L_CODES + 2) * 2);
 zero(static_ltree);
 /* The static literal tree. Since the bit lengths are imposed, there is no
  * need for the L_CODES extra codes used during heap construction. However
@@ -19100,7 +15628,7 @@ zero(_dist_code);
  * the 15 bit distances.
  */
 
-var _length_code  = new Array(MAX_MATCH-MIN_MATCH+1);
+var _length_code  = new Array(MAX_MATCH - MIN_MATCH + 1);
 zero(_length_code);
 /* length code for each normalized match length (0 == MIN_MATCH) */
 
@@ -19113,7 +15641,7 @@ zero(base_dist);
 /* First normalized distance for each code (0 = distance of 1) */
 
 
-var StaticTreeDesc = function (static_tree, extra_bits, extra_base, elems, max_length) {
+function StaticTreeDesc(static_tree, extra_bits, extra_base, elems, max_length) {
 
   this.static_tree  = static_tree;  /* static tree or NULL */
   this.extra_bits   = extra_bits;   /* extra bits for each code or NULL */
@@ -19123,7 +15651,7 @@ var StaticTreeDesc = function (static_tree, extra_bits, extra_base, elems, max_l
 
   // show if `static_tree` has data or dummy - needed for monomorphic objects
   this.has_stree    = static_tree && static_tree.length;
-};
+}
 
 
 var static_l_desc;
@@ -19131,11 +15659,11 @@ var static_d_desc;
 var static_bl_desc;
 
 
-var TreeDesc = function(dyn_tree, stat_desc) {
+function TreeDesc(dyn_tree, stat_desc) {
   this.dyn_tree = dyn_tree;     /* the dynamic tree */
   this.max_code = 0;            /* largest code with non zero frequency */
   this.stat_desc = stat_desc;   /* the corresponding static tree */
-};
+}
 
 
 
@@ -19148,7 +15676,7 @@ function d_code(dist) {
  * Output a short LSB first on the stream.
  * IN assertion: there is enough room in pendingBuf.
  */
-function put_short (s, w) {
+function put_short(s, w) {
 //    put_byte(s, (uch)((w) & 0xff));
 //    put_byte(s, (uch)((ush)(w) >> 8));
   s.pending_buf[s.pending++] = (w) & 0xff;
@@ -19174,7 +15702,7 @@ function send_bits(s, value, length) {
 
 
 function send_code(s, c, tree) {
-  send_bits(s, tree[c*2]/*.Code*/, tree[c*2 + 1]/*.Len*/);
+  send_bits(s, tree[c * 2]/*.Code*/, tree[c * 2 + 1]/*.Len*/);
 }
 
 
@@ -19246,16 +15774,16 @@ function gen_bitlen(s, desc)
   /* In a first pass, compute the optimal bit lengths (which may
    * overflow in the case of the bit length tree).
    */
-  tree[s.heap[s.heap_max]*2 + 1]/*.Len*/ = 0; /* root of the heap */
+  tree[s.heap[s.heap_max] * 2 + 1]/*.Len*/ = 0; /* root of the heap */
 
-  for (h = s.heap_max+1; h < HEAP_SIZE; h++) {
+  for (h = s.heap_max + 1; h < HEAP_SIZE; h++) {
     n = s.heap[h];
-    bits = tree[tree[n*2 +1]/*.Dad*/ * 2 + 1]/*.Len*/ + 1;
+    bits = tree[tree[n * 2 + 1]/*.Dad*/ * 2 + 1]/*.Len*/ + 1;
     if (bits > max_length) {
       bits = max_length;
       overflow++;
     }
-    tree[n*2 + 1]/*.Len*/ = bits;
+    tree[n * 2 + 1]/*.Len*/ = bits;
     /* We overwrite tree[n].Dad which is no longer needed */
 
     if (n > max_code) { continue; } /* not a leaf node */
@@ -19263,12 +15791,12 @@ function gen_bitlen(s, desc)
     s.bl_count[bits]++;
     xbits = 0;
     if (n >= base) {
-      xbits = extra[n-base];
+      xbits = extra[n - base];
     }
     f = tree[n * 2]/*.Freq*/;
     s.opt_len += f * (bits + xbits);
     if (has_stree) {
-      s.static_len += f * (stree[n*2 + 1]/*.Len*/ + xbits);
+      s.static_len += f * (stree[n * 2 + 1]/*.Len*/ + xbits);
     }
   }
   if (overflow === 0) { return; }
@@ -19278,10 +15806,10 @@ function gen_bitlen(s, desc)
 
   /* Find the first bit length which could increase: */
   do {
-    bits = max_length-1;
+    bits = max_length - 1;
     while (s.bl_count[bits] === 0) { bits--; }
     s.bl_count[bits]--;      /* move one leaf down the tree */
-    s.bl_count[bits+1] += 2; /* move one overflow item as its brother */
+    s.bl_count[bits + 1] += 2; /* move one overflow item as its brother */
     s.bl_count[max_length]--;
     /* The brother of the overflow item also moves one step up,
      * but this does not affect bl_count[max_length]
@@ -19299,10 +15827,10 @@ function gen_bitlen(s, desc)
     while (n !== 0) {
       m = s.heap[--h];
       if (m > max_code) { continue; }
-      if (tree[m*2 + 1]/*.Len*/ !== bits) {
+      if (tree[m * 2 + 1]/*.Len*/ !== bits) {
         // Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits));
-        s.opt_len += (bits - tree[m*2 + 1]/*.Len*/)*tree[m*2]/*.Freq*/;
-        tree[m*2 + 1]/*.Len*/ = bits;
+        s.opt_len += (bits - tree[m * 2 + 1]/*.Len*/) * tree[m * 2]/*.Freq*/;
+        tree[m * 2 + 1]/*.Len*/ = bits;
       }
       n--;
     }
@@ -19323,7 +15851,7 @@ function gen_codes(tree, max_code, bl_count)
 //    int max_code;              /* largest code with non zero frequency */
 //    ushf *bl_count;            /* number of codes at each bit length */
 {
-  var next_code = new Array(MAX_BITS+1); /* next code value for each bit length */
+  var next_code = new Array(MAX_BITS + 1); /* next code value for each bit length */
   var code = 0;              /* running code value */
   var bits;                  /* bit index */
   var n;                     /* code index */
@@ -19332,7 +15860,7 @@ function gen_codes(tree, max_code, bl_count)
    * without bit reversal.
    */
   for (bits = 1; bits <= MAX_BITS; bits++) {
-    next_code[bits] = code = (code + bl_count[bits-1]) << 1;
+    next_code[bits] = code = (code + bl_count[bits - 1]) << 1;
   }
   /* Check that the bit counts in bl_count are consistent. The last code
    * must be all ones.
@@ -19342,10 +15870,10 @@ function gen_codes(tree, max_code, bl_count)
   //Tracev((stderr,"\ngen_codes: max_code %d ", max_code));
 
   for (n = 0;  n <= max_code; n++) {
-    var len = tree[n*2 + 1]/*.Len*/;
+    var len = tree[n * 2 + 1]/*.Len*/;
     if (len === 0) { continue; }
     /* Now reverse the bits */
-    tree[n*2]/*.Code*/ = bi_reverse(next_code[len]++, len);
+    tree[n * 2]/*.Code*/ = bi_reverse(next_code[len]++, len);
 
     //Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ",
     //     n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1));
@@ -19362,7 +15890,7 @@ function tr_static_init() {
   var length;   /* length value */
   var code;     /* code value */
   var dist;     /* distance index */
-  var bl_count = new Array(MAX_BITS+1);
+  var bl_count = new Array(MAX_BITS + 1);
   /* number of codes at each bit length for an optimal tree */
 
   // do check in _tr_init()
@@ -19379,9 +15907,9 @@ function tr_static_init() {
 
   /* Initialize the mapping length (0..255) -> length code (0..28) */
   length = 0;
-  for (code = 0; code < LENGTH_CODES-1; code++) {
+  for (code = 0; code < LENGTH_CODES - 1; code++) {
     base_length[code] = length;
-    for (n = 0; n < (1<<extra_lbits[code]); n++) {
+    for (n = 0; n < (1 << extra_lbits[code]); n++) {
       _length_code[length++] = code;
     }
   }
@@ -19390,13 +15918,13 @@ function tr_static_init() {
    * in two different ways: code 284 + 5 bits or code 285, so we
    * overwrite length_code[255] to use the best encoding:
    */
-  _length_code[length-1] = code;
+  _length_code[length - 1] = code;
 
   /* Initialize the mapping dist (0..32K) -> dist code (0..29) */
   dist = 0;
-  for (code = 0 ; code < 16; code++) {
+  for (code = 0; code < 16; code++) {
     base_dist[code] = dist;
-    for (n = 0; n < (1<<extra_dbits[code]); n++) {
+    for (n = 0; n < (1 << extra_dbits[code]); n++) {
       _dist_code[dist++] = code;
     }
   }
@@ -19404,7 +15932,7 @@ function tr_static_init() {
   dist >>= 7; /* from now on, all distances are divided by 128 */
   for (; code < D_CODES; code++) {
     base_dist[code] = dist << 7;
-    for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) {
+    for (n = 0; n < (1 << (extra_dbits[code] - 7)); n++) {
       _dist_code[256 + dist++] = code;
     }
   }
@@ -19417,22 +15945,22 @@ function tr_static_init() {
 
   n = 0;
   while (n <= 143) {
-    static_ltree[n*2 + 1]/*.Len*/ = 8;
+    static_ltree[n * 2 + 1]/*.Len*/ = 8;
     n++;
     bl_count[8]++;
   }
   while (n <= 255) {
-    static_ltree[n*2 + 1]/*.Len*/ = 9;
+    static_ltree[n * 2 + 1]/*.Len*/ = 9;
     n++;
     bl_count[9]++;
   }
   while (n <= 279) {
-    static_ltree[n*2 + 1]/*.Len*/ = 7;
+    static_ltree[n * 2 + 1]/*.Len*/ = 7;
     n++;
     bl_count[7]++;
   }
   while (n <= 287) {
-    static_ltree[n*2 + 1]/*.Len*/ = 8;
+    static_ltree[n * 2 + 1]/*.Len*/ = 8;
     n++;
     bl_count[8]++;
   }
@@ -19440,18 +15968,18 @@ function tr_static_init() {
    * tree construction to get a canonical Huffman tree (longest code
    * all ones)
    */
-  gen_codes(static_ltree, L_CODES+1, bl_count);
+  gen_codes(static_ltree, L_CODES + 1, bl_count);
 
   /* The static distance tree is trivial: */
   for (n = 0; n < D_CODES; n++) {
-    static_dtree[n*2 + 1]/*.Len*/ = 5;
-    static_dtree[n*2]/*.Code*/ = bi_reverse(n, 5);
+    static_dtree[n * 2 + 1]/*.Len*/ = 5;
+    static_dtree[n * 2]/*.Code*/ = bi_reverse(n, 5);
   }
 
   // Now data ready and we can init static trees
-  static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS);
+  static_l_desc = new StaticTreeDesc(static_ltree, extra_lbits, LITERALS + 1, L_CODES, MAX_BITS);
   static_d_desc = new StaticTreeDesc(static_dtree, extra_dbits, 0,          D_CODES, MAX_BITS);
-  static_bl_desc =new StaticTreeDesc(new Array(0), extra_blbits, 0,         BL_CODES, MAX_BL_BITS);
+  static_bl_desc = new StaticTreeDesc(new Array(0), extra_blbits, 0,         BL_CODES, MAX_BL_BITS);
 
   //static_init_done = true;
 }
@@ -19464,11 +15992,11 @@ function init_block(s) {
   var n; /* iterates over tree elements */
 
   /* Initialize the trees. */
-  for (n = 0; n < L_CODES;  n++) { s.dyn_ltree[n*2]/*.Freq*/ = 0; }
-  for (n = 0; n < D_CODES;  n++) { s.dyn_dtree[n*2]/*.Freq*/ = 0; }
-  for (n = 0; n < BL_CODES; n++) { s.bl_tree[n*2]/*.Freq*/ = 0; }
+  for (n = 0; n < L_CODES;  n++) { s.dyn_ltree[n * 2]/*.Freq*/ = 0; }
+  for (n = 0; n < D_CODES;  n++) { s.dyn_dtree[n * 2]/*.Freq*/ = 0; }
+  for (n = 0; n < BL_CODES; n++) { s.bl_tree[n * 2]/*.Freq*/ = 0; }
 
-  s.dyn_ltree[END_BLOCK*2]/*.Freq*/ = 1;
+  s.dyn_ltree[END_BLOCK * 2]/*.Freq*/ = 1;
   s.opt_len = s.static_len = 0;
   s.last_lit = s.matches = 0;
 }
@@ -19517,8 +16045,8 @@ function copy_block(s, buf, len, header)
  * the subtrees have equal frequency. This minimizes the worst case length.
  */
 function smaller(tree, n, m, depth) {
-  var _n2 = n*2;
-  var _m2 = m*2;
+  var _n2 = n * 2;
+  var _m2 = m * 2;
   return (tree[_n2]/*.Freq*/ < tree[_m2]/*.Freq*/ ||
          (tree[_n2]/*.Freq*/ === tree[_m2]/*.Freq*/ && depth[n] <= depth[m]));
 }
@@ -19539,7 +16067,7 @@ function pqdownheap(s, tree, k)
   while (j <= s.heap_len) {
     /* Set j to the smallest of the two sons: */
     if (j < s.heap_len &&
-      smaller(tree, s.heap[j+1], s.heap[j], s.depth)) {
+      smaller(tree, s.heap[j + 1], s.heap[j], s.depth)) {
       j++;
     }
     /* Exit if v is smaller than both sons */
@@ -19575,7 +16103,7 @@ function compress_block(s, ltree, dtree)
 
   if (s.last_lit !== 0) {
     do {
-      dist = (s.pending_buf[s.d_buf + lx*2] << 8) | (s.pending_buf[s.d_buf + lx*2 + 1]);
+      dist = (s.pending_buf[s.d_buf + lx * 2] << 8) | (s.pending_buf[s.d_buf + lx * 2 + 1]);
       lc = s.pending_buf[s.l_buf + lx];
       lx++;
 
@@ -19585,7 +16113,7 @@ function compress_block(s, ltree, dtree)
       } else {
         /* Here, lc is the match length - MIN_MATCH */
         code = _length_code[lc];
-        send_code(s, code+LITERALS+1, ltree); /* send the length code */
+        send_code(s, code + LITERALS + 1, ltree); /* send the length code */
         extra = extra_lbits[code];
         if (extra !== 0) {
           lc -= base_length[code];
@@ -19647,7 +16175,7 @@ function build_tree(s, desc)
       s.depth[n] = 0;
 
     } else {
-      tree[n*2 + 1]/*.Len*/ = 0;
+      tree[n * 2 + 1]/*.Len*/ = 0;
     }
   }
 
@@ -19663,7 +16191,7 @@ function build_tree(s, desc)
     s.opt_len--;
 
     if (has_stree) {
-      s.static_len -= stree[node*2 + 1]/*.Len*/;
+      s.static_len -= stree[node * 2 + 1]/*.Len*/;
     }
     /* node is 0 or 1 so it does not have extra bits */
   }
@@ -19694,7 +16222,7 @@ function build_tree(s, desc)
     /* Create a new node father of n and m */
     tree[node * 2]/*.Freq*/ = tree[n * 2]/*.Freq*/ + tree[m * 2]/*.Freq*/;
     s.depth[node] = (s.depth[n] >= s.depth[m] ? s.depth[n] : s.depth[m]) + 1;
-    tree[n*2 + 1]/*.Dad*/ = tree[m*2 + 1]/*.Dad*/ = node;
+    tree[n * 2 + 1]/*.Dad*/ = tree[m * 2 + 1]/*.Dad*/ = node;
 
     /* and insert the new node in the heap */
     s.heap[1/*SMALLEST*/] = node++;
@@ -19727,7 +16255,7 @@ function scan_tree(s, tree, max_code)
   var prevlen = -1;          /* last emitted length */
   var curlen;                /* length of current code */
 
-  var nextlen = tree[0*2 + 1]/*.Len*/; /* length of next code */
+  var nextlen = tree[0 * 2 + 1]/*.Len*/; /* length of next code */
 
   var count = 0;             /* repeat count of the current code */
   var max_count = 7;         /* max repeat count */
@@ -19737,11 +16265,11 @@ function scan_tree(s, tree, max_code)
     max_count = 138;
     min_count = 3;
   }
-  tree[(max_code+1)*2 + 1]/*.Len*/ = 0xffff; /* guard */
+  tree[(max_code + 1) * 2 + 1]/*.Len*/ = 0xffff; /* guard */
 
   for (n = 0; n <= max_code; n++) {
     curlen = nextlen;
-    nextlen = tree[(n+1)*2 + 1]/*.Len*/;
+    nextlen = tree[(n + 1) * 2 + 1]/*.Len*/;
 
     if (++count < max_count && curlen === nextlen) {
       continue;
@@ -19752,13 +16280,13 @@ function scan_tree(s, tree, max_code)
     } else if (curlen !== 0) {
 
       if (curlen !== prevlen) { s.bl_tree[curlen * 2]/*.Freq*/++; }
-      s.bl_tree[REP_3_6*2]/*.Freq*/++;
+      s.bl_tree[REP_3_6 * 2]/*.Freq*/++;
 
     } else if (count <= 10) {
-      s.bl_tree[REPZ_3_10*2]/*.Freq*/++;
+      s.bl_tree[REPZ_3_10 * 2]/*.Freq*/++;
 
     } else {
-      s.bl_tree[REPZ_11_138*2]/*.Freq*/++;
+      s.bl_tree[REPZ_11_138 * 2]/*.Freq*/++;
     }
 
     count = 0;
@@ -19793,7 +16321,7 @@ function send_tree(s, tree, max_code)
   var prevlen = -1;          /* last emitted length */
   var curlen;                /* length of current code */
 
-  var nextlen = tree[0*2 + 1]/*.Len*/; /* length of next code */
+  var nextlen = tree[0 * 2 + 1]/*.Len*/; /* length of next code */
 
   var count = 0;             /* repeat count of the current code */
   var max_count = 7;         /* max repeat count */
@@ -19807,7 +16335,7 @@ function send_tree(s, tree, max_code)
 
   for (n = 0; n <= max_code; n++) {
     curlen = nextlen;
-    nextlen = tree[(n+1)*2 + 1]/*.Len*/;
+    nextlen = tree[(n + 1) * 2 + 1]/*.Len*/;
 
     if (++count < max_count && curlen === nextlen) {
       continue;
@@ -19822,15 +16350,15 @@ function send_tree(s, tree, max_code)
       }
       //Assert(count >= 3 && count <= 6, " 3_6?");
       send_code(s, REP_3_6, s.bl_tree);
-      send_bits(s, count-3, 2);
+      send_bits(s, count - 3, 2);
 
     } else if (count <= 10) {
       send_code(s, REPZ_3_10, s.bl_tree);
-      send_bits(s, count-3, 3);
+      send_bits(s, count - 3, 3);
 
     } else {
       send_code(s, REPZ_11_138, s.bl_tree);
-      send_bits(s, count-11, 7);
+      send_bits(s, count - 11, 7);
     }
 
     count = 0;
@@ -19872,13 +16400,13 @@ function build_bl_tree(s) {
    * requires that at least 4 bit length codes be sent. (appnote.txt says
    * 3 but the actual value used is 4.)
    */
-  for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) {
-    if (s.bl_tree[bl_order[max_blindex]*2 + 1]/*.Len*/ !== 0) {
+  for (max_blindex = BL_CODES - 1; max_blindex >= 3; max_blindex--) {
+    if (s.bl_tree[bl_order[max_blindex] * 2 + 1]/*.Len*/ !== 0) {
       break;
     }
   }
   /* Update opt_len to include the bit length tree and counts */
-  s.opt_len += 3*(max_blindex+1) + 5+5+4;
+  s.opt_len += 3 * (max_blindex + 1) + 5 + 5 + 4;
   //Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld",
   //        s->opt_len, s->static_len));
 
@@ -19901,19 +16429,19 @@ function send_all_trees(s, lcodes, dcodes, blcodes)
   //Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES,
   //        "too many codes");
   //Tracev((stderr, "\nbl counts: "));
-  send_bits(s, lcodes-257, 5); /* not +255 as stated in appnote.txt */
-  send_bits(s, dcodes-1,   5);
-  send_bits(s, blcodes-4,  4); /* not -3 as stated in appnote.txt */
+  send_bits(s, lcodes - 257, 5); /* not +255 as stated in appnote.txt */
+  send_bits(s, dcodes - 1,   5);
+  send_bits(s, blcodes - 4,  4); /* not -3 as stated in appnote.txt */
   for (rank = 0; rank < blcodes; rank++) {
     //Tracev((stderr, "\nbl code %2d ", bl_order[rank]));
-    send_bits(s, s.bl_tree[bl_order[rank]*2 + 1]/*.Len*/, 3);
+    send_bits(s, s.bl_tree[bl_order[rank] * 2 + 1]/*.Len*/, 3);
   }
   //Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent));
 
-  send_tree(s, s.dyn_ltree, lcodes-1); /* literal tree */
+  send_tree(s, s.dyn_ltree, lcodes - 1); /* literal tree */
   //Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent));
 
-  send_tree(s, s.dyn_dtree, dcodes-1); /* distance tree */
+  send_tree(s, s.dyn_dtree, dcodes - 1); /* distance tree */
   //Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent));
 }
 
@@ -19941,7 +16469,7 @@ function detect_data_type(s) {
 
   /* Check for non-textual ("black-listed") bytes. */
   for (n = 0; n <= 31; n++, black_mask >>>= 1) {
-    if ((black_mask & 1) && (s.dyn_ltree[n*2]/*.Freq*/ !== 0)) {
+    if ((black_mask & 1) && (s.dyn_ltree[n * 2]/*.Freq*/ !== 0)) {
       return Z_BINARY;
     }
   }
@@ -19998,7 +16526,7 @@ function _tr_stored_block(s, buf, stored_len, last)
 //ulg stored_len;   /* length of input block */
 //int last;         /* one if this is the last block for a file */
 {
-  send_bits(s, (STORED_BLOCK<<1)+(last ? 1 : 0), 3);    /* send block type */
+  send_bits(s, (STORED_BLOCK << 1) + (last ? 1 : 0), 3);    /* send block type */
   copy_block(s, buf, stored_len, true); /* with header */
 }
 
@@ -20008,7 +16536,7 @@ function _tr_stored_block(s, buf, stored_len, last)
  * This takes 10 bits, of which 7 may remain in the bit buffer.
  */
 function _tr_align(s) {
-  send_bits(s, STATIC_TREES<<1, 3);
+  send_bits(s, STATIC_TREES << 1, 3);
   send_code(s, END_BLOCK, static_ltree);
   bi_flush(s);
 }
@@ -20053,8 +16581,8 @@ function _tr_flush_block(s, buf, stored_len, last)
     max_blindex = build_bl_tree(s);
 
     /* Determine the best encoding. Compute the block lengths in bytes. */
-    opt_lenb = (s.opt_len+3+7) >>> 3;
-    static_lenb = (s.static_len+3+7) >>> 3;
+    opt_lenb = (s.opt_len + 3 + 7) >>> 3;
+    static_lenb = (s.static_len + 3 + 7) >>> 3;
 
     // Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ",
     //        opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len,
@@ -20067,7 +16595,7 @@ function _tr_flush_block(s, buf, stored_len, last)
     opt_lenb = static_lenb = stored_len + 5; /* force a stored block */
   }
 
-  if ((stored_len+4 <= opt_lenb) && (buf !== -1)) {
+  if ((stored_len + 4 <= opt_lenb) && (buf !== -1)) {
     /* 4: two words for the lengths */
 
     /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE.
@@ -20080,12 +16608,12 @@ function _tr_flush_block(s, buf, stored_len, last)
 
   } else if (s.strategy === Z_FIXED || static_lenb === opt_lenb) {
 
-    send_bits(s, (STATIC_TREES<<1) + (last ? 1 : 0), 3);
+    send_bits(s, (STATIC_TREES << 1) + (last ? 1 : 0), 3);
     compress_block(s, static_ltree, static_dtree);
 
   } else {
-    send_bits(s, (DYN_TREES<<1) + (last ? 1 : 0), 3);
-    send_all_trees(s, s.l_desc.max_code+1, s.d_desc.max_code+1, max_blindex+1);
+    send_bits(s, (DYN_TREES << 1) + (last ? 1 : 0), 3);
+    send_all_trees(s, s.l_desc.max_code + 1, s.d_desc.max_code + 1, max_blindex + 1);
     compress_block(s, s.dyn_ltree, s.dyn_dtree);
   }
   // Assert (s->compressed_len == s->bits_sent, "bad compressed size");
@@ -20120,7 +16648,7 @@ function _tr_tally(s, dist, lc)
 
   if (dist === 0) {
     /* lc is the unmatched char */
-    s.dyn_ltree[lc*2]/*.Freq*/++;
+    s.dyn_ltree[lc * 2]/*.Freq*/++;
   } else {
     s.matches++;
     /* Here, lc is the match length - MIN_MATCH */
@@ -20129,7 +16657,7 @@ function _tr_tally(s, dist, lc)
     //       (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) &&
     //       (ush)d_code(dist) < (ush)D_CODES,  "_tr_tally: bad match");
 
-    s.dyn_ltree[(_length_code[lc]+LITERALS+1) * 2]/*.Freq*/++;
+    s.dyn_ltree[(_length_code[lc] + LITERALS + 1) * 2]/*.Freq*/++;
     s.dyn_dtree[d_code(dist) * 2]/*.Freq*/++;
   }
 
@@ -20156,7 +16684,7 @@ function _tr_tally(s, dist, lc)
 //  }
 //#endif
 
-  return (s.last_lit === s.lit_bufsize-1);
+  return (s.last_lit === s.lit_bufsize - 1);
   /* We avoid equality with lit_bufsize because of wraparound at 64K
    * on 16 bit machines and because stored blocks are restricted to
    * 64K-1 bytes.
@@ -20169,7 +16697,7 @@ exports._tr_flush_block  = _tr_flush_block;
 exports._tr_tally = _tr_tally;
 exports._tr_align = _tr_align;
 
-},{"../utils/common":38}],48:[function(require,module,exports){
+},{"../utils/common":30}],40:[function(require,module,exports){
 'use strict';
 
 
@@ -20200,7 +16728,7 @@ function ZStream() {
 
 module.exports = ZStream;
 
-},{}],49:[function(require,module,exports){
+},{}],41:[function(require,module,exports){
 (function (process){
 'use strict';
 
@@ -20212,28 +16740,140 @@ if (!process.version ||
   module.exports = process.nextTick;
 }
 
-function nextTick(fn) {
-  var args = new Array(arguments.length - 1);
-  var i = 0;
-  while (i < args.length) {
-    args[i++] = arguments[i];
+function nextTick(fn, arg1, arg2, arg3) {
+  if (typeof fn !== 'function') {
+    throw new TypeError('"callback" argument must be a function');
+  }
+  var len = arguments.length;
+  var args, i;
+  switch (len) {
+  case 0:
+  case 1:
+    return process.nextTick(fn);
+  case 2:
+    return process.nextTick(function afterTickOne() {
+      fn.call(null, arg1);
+    });
+  case 3:
+    return process.nextTick(function afterTickTwo() {
+      fn.call(null, arg1, arg2);
+    });
+  case 4:
+    return process.nextTick(function afterTickThree() {
+      fn.call(null, arg1, arg2, arg3);
+    });
+  default:
+    args = new Array(len - 1);
+    i = 0;
+    while (i < args.length) {
+      args[i++] = arguments[i];
+    }
+    return process.nextTick(function afterTick() {
+      fn.apply(null, args);
+    });
   }
-  process.nextTick(function afterTick() {
-    fn.apply(null, args);
-  });
 }
 
 }).call(this,require('_process'))
-},{"_process":50}],50:[function(require,module,exports){
+},{"_process":42}],42:[function(require,module,exports){
 // shim for using process in browser
-
 var process = module.exports = {};
+
+// cached from whatever global is present so that test runners that stub it
+// don't break things.  But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals.  It's inside a
+// function because try/catches deoptimize in certain engines.
+
+var cachedSetTimeout;
+var cachedClearTimeout;
+
+function defaultSetTimout() {
+    throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+    throw new Error('clearTimeout has not been defined');
+}
+(function () {
+    try {
+        if (typeof setTimeout === 'function') {
+            cachedSetTimeout = setTimeout;
+        } else {
+            cachedSetTimeout = defaultSetTimout;
+        }
+    } catch (e) {
+        cachedSetTimeout = defaultSetTimout;
+    }
+    try {
+        if (typeof clearTimeout === 'function') {
+            cachedClearTimeout = clearTimeout;
+        } else {
+            cachedClearTimeout = defaultClearTimeout;
+        }
+    } catch (e) {
+        cachedClearTimeout = defaultClearTimeout;
+    }
+} ())
+function runTimeout(fun) {
+    if (cachedSetTimeout === setTimeout) {
+        //normal enviroments in sane situations
+        return setTimeout(fun, 0);
+    }
+    // if setTimeout wasn't available but was latter defined
+    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+        cachedSetTimeout = setTimeout;
+        return setTimeout(fun, 0);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedSetTimeout(fun, 0);
+    } catch(e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+            return cachedSetTimeout.call(null, fun, 0);
+        } catch(e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+            return cachedSetTimeout.call(this, fun, 0);
+        }
+    }
+
+
+}
+function runClearTimeout(marker) {
+    if (cachedClearTimeout === clearTimeout) {
+        //normal enviroments in sane situations
+        return clearTimeout(marker);
+    }
+    // if clearTimeout wasn't available but was latter defined
+    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+        cachedClearTimeout = clearTimeout;
+        return clearTimeout(marker);
+    }
+    try {
+        // when when somebody has screwed with setTimeout but no I.E. maddness
+        return cachedClearTimeout(marker);
+    } catch (e){
+        try {
+            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
+            return cachedClearTimeout.call(null, marker);
+        } catch (e){
+            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+            return cachedClearTimeout.call(this, marker);
+        }
+    }
+
+
+
+}
 var queue = [];
 var draining = false;
 var currentQueue;
 var queueIndex = -1;
 
 function cleanUpNextTick() {
+    if (!draining || !currentQueue) {
+        return;
+    }
     draining = false;
     if (currentQueue.length) {
         queue = currentQueue.concat(queue);
@@ -20249,7 +16889,7 @@ function drainQueue() {
     if (draining) {
         return;
     }
-    var timeout = setTimeout(cleanUpNextTick);
+    var timeout = runTimeout(cleanUpNextTick);
     draining = true;
 
     var len = queue.length;
@@ -20266,7 +16906,7 @@ function drainQueue() {
     }
     currentQueue = null;
     draining = false;
-    clearTimeout(timeout);
+    runClearTimeout(timeout);
 }
 
 process.nextTick = function (fun) {
@@ -20278,7 +16918,7 @@ process.nextTick = function (fun) {
     }
     queue.push(new Item(fun, args));
     if (queue.length === 1 && !draining) {
-        setTimeout(drainQueue, 0);
+        runTimeout(drainQueue);
     }
 };
 
@@ -20317,7 +16957,7 @@ process.chdir = function (dir) {
 };
 process.umask = function() { return 0; };
 
-},{}],51:[function(require,module,exports){
+},{}],43:[function(require,module,exports){
 // a duplex stream is just a stream that is both readable and writable.
 // Since JS doesn't have multiple prototypal inheritance, this class
 // prototypally inherits from Readable, and then parasitically from
@@ -20393,7 +17033,7 @@ function forEach(xs, f) {
     f(xs[i], i);
   }
 }
-},{"./_stream_readable":52,"./_stream_writable":54,"core-util-is":22,"inherits":28,"process-nextick-args":49}],52:[function(require,module,exports){
+},{"./_stream_readable":44,"./_stream_writable":46,"core-util-is":23,"inherits":27,"process-nextick-args":41}],44:[function(require,module,exports){
 (function (process){
 'use strict';
 
@@ -20408,14 +17048,14 @@ var isArray = require('isarray');
 /*</replacement>*/
 
 /*<replacement>*/
-var Buffer = require('buffer').Buffer;
+var Duplex;
 /*</replacement>*/
 
 Readable.ReadableState = ReadableState;
 
-var EE = require('events');
-
 /*<replacement>*/
+var EE = require('events').EventEmitter;
+
 var EElistenerCount = function (emitter, type) {
   return emitter.listeners(type).length;
 };
@@ -20433,6 +17073,9 @@ var Stream;
 /*</replacement>*/
 
 var Buffer = require('buffer').Buffer;
+/*<replacement>*/
+var bufferShim = require('buffer-shims');
+/*</replacement>*/
 
 /*<replacement>*/
 var util = require('core-util-is');
@@ -20441,7 +17084,7 @@ util.inherits = require('inherits');
 
 /*<replacement>*/
 var debugUtil = require('util');
-var debug = undefined;
+var debug = void 0;
 if (debugUtil && debugUtil.debuglog) {
   debug = debugUtil.debuglog('stream');
 } else {
@@ -20449,11 +17092,25 @@ if (debugUtil && debugUtil.debuglog) {
 }
 /*</replacement>*/
 
+var BufferList = require('./internal/streams/BufferList');
 var StringDecoder;
 
 util.inherits(Readable, Stream);
 
-var Duplex;
+function prependListener(emitter, event, fn) {
+  // Sadly this is not cacheable as some libraries bundle their own
+  // event emitter implementation with them.
+  if (typeof emitter.prependListener === 'function') {
+    return emitter.prependListener(event, fn);
+  } else {
+    // This is a hack to make sure that our error handler is attached before any
+    // userland ones.  NEVER DO THIS. This is here only because this code needs
+    // to continue to work with older versions of Node.js that do not include
+    // the prependListener() method. The goal is to eventually remove this hack.
+    if (!emitter._events || !emitter._events[event]) emitter.on(event, fn);else if (isArray(emitter._events[event])) emitter._events[event].unshift(fn);else emitter._events[event] = [fn, emitter._events[event]];
+  }
+}
+
 function ReadableState(options, stream) {
   Duplex = Duplex || require('./_stream_duplex');
 
@@ -20474,7 +17131,10 @@ function ReadableState(options, stream) {
   // cast to ints.
   this.highWaterMark = ~ ~this.highWaterMark;
 
-  this.buffer = [];
+  // A linked list is used to store data chunks instead of an array because the
+  // linked list can remove elements from the beginning faster than
+  // array.shift()
+  this.buffer = new BufferList();
   this.length = 0;
   this.pipes = null;
   this.pipesCount = 0;
@@ -20520,7 +17180,6 @@ function ReadableState(options, stream) {
   }
 }
 
-var Duplex;
 function Readable(options) {
   Duplex = Duplex || require('./_stream_duplex');
 
@@ -20546,7 +17205,7 @@ Readable.prototype.push = function (chunk, encoding) {
   if (!state.objectMode && typeof chunk === 'string') {
     encoding = encoding || state.defaultEncoding;
     if (encoding !== state.encoding) {
-      chunk = new Buffer(chunk, encoding);
+      chunk = bufferShim.from(chunk, encoding);
       encoding = '';
     }
   }
@@ -20576,8 +17235,8 @@ function readableAddChunk(stream, state, chunk, encoding, addToFront) {
       var e = new Error('stream.push() after EOF');
       stream.emit('error', e);
     } else if (state.endEmitted && addToFront) {
-      var e = new Error('stream.unshift() after end event');
-      stream.emit('error', e);
+      var _e = new Error('stream.unshift() after end event');
+      stream.emit('error', _e);
     } else {
       var skipAdd;
       if (state.decoder && !addToFront && !encoding) {
@@ -20637,7 +17296,8 @@ function computeNewHighWaterMark(n) {
   if (n >= MAX_HWM) {
     n = MAX_HWM;
   } else {
-    // Get the next highest power of 2
+    // Get the next highest power of 2 to prevent increasing hwm excessively in
+    // tiny amounts
     n--;
     n |= n >>> 1;
     n |= n >>> 2;
@@ -20649,44 +17309,34 @@ function computeNewHighWaterMark(n) {
   return n;
 }
 
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
 function howMuchToRead(n, state) {
-  if (state.length === 0 && state.ended) return 0;
-
-  if (state.objectMode) return n === 0 ? 0 : 1;
-
-  if (n === null || isNaN(n)) {
-    // only flow one buffer at a time
-    if (state.flowing && state.buffer.length) return state.buffer[0].length;else return state.length;
+  if (n <= 0 || state.length === 0 && state.ended) return 0;
+  if (state.objectMode) return 1;
+  if (n !== n) {
+    // Only flow one buffer at a time
+    if (state.flowing && state.length) return state.buffer.head.data.length;else return state.length;
   }
-
-  if (n <= 0) return 0;
-
-  // If we're asking for more than the target buffer level,
-  // then raise the water mark.  Bump up to the next highest
-  // power of 2, to prevent increasing it excessively in tiny
-  // amounts.
+  // If we're asking for more than the current hwm, then raise the hwm.
   if (n > state.highWaterMark) state.highWaterMark = computeNewHighWaterMark(n);
-
-  // don't have that much.  return null, unless we've ended.
-  if (n > state.length) {
-    if (!state.ended) {
-      state.needReadable = true;
-      return 0;
-    } else {
-      return state.length;
-    }
+  if (n <= state.length) return n;
+  // Don't have enough
+  if (!state.ended) {
+    state.needReadable = true;
+    return 0;
   }
-
-  return n;
+  return state.length;
 }
 
 // you can override either this method, or the async _read(n) below.
 Readable.prototype.read = function (n) {
   debug('read', n);
+  n = parseInt(n, 10);
   var state = this._readableState;
   var nOrig = n;
 
-  if (typeof n !== 'number' || n > 0) state.emittedReadable = false;
+  if (n !== 0) state.emittedReadable = false;
 
   // if we're doing read(0) to trigger a readable event, but we
   // already have a bunch of data in the buffer, then just trigger
@@ -20742,9 +17392,7 @@ Readable.prototype.read = function (n) {
   if (state.ended || state.reading) {
     doRead = false;
     debug('reading or ended', doRead);
-  }
-
-  if (doRead) {
+  } else if (doRead) {
     debug('do read');
     state.reading = true;
     state.sync = true;
@@ -20753,28 +17401,29 @@ Readable.prototype.read = function (n) {
     // call internal read method
     this._read(state.highWaterMark);
     state.sync = false;
+    // If _read pushed data synchronously, then `reading` will be false,
+    // and we need to re-evaluate how much data we can return to the user.
+    if (!state.reading) n = howMuchToRead(nOrig, state);
   }
 
-  // If _read pushed data synchronously, then `reading` will be false,
-  // and we need to re-evaluate how much data we can return to the user.
-  if (doRead && !state.reading) n = howMuchToRead(nOrig, state);
-
   var ret;
   if (n > 0) ret = fromList(n, state);else ret = null;
 
   if (ret === null) {
     state.needReadable = true;
     n = 0;
+  } else {
+    state.length -= n;
   }
 
-  state.length -= n;
-
-  // If we have nothing in the buffer, then we want to know
-  // as soon as we *do* get something into the buffer.
-  if (state.length === 0 && !state.ended) state.needReadable = true;
+  if (state.length === 0) {
+    // If we have nothing in the buffer, then we want to know
+    // as soon as we *do* get something into the buffer.
+    if (!state.ended) state.needReadable = true;
 
-  // If we tried to read() past the EOF, then emit end on the next tick.
-  if (nOrig !== n && state.ended && state.length === 0) endReadable(this);
+    // If we tried to read() past the EOF, then emit end on the next tick.
+    if (nOrig !== n && state.ended) endReadable(this);
+  }
 
   if (ret !== null) this.emit('data', ret);
 
@@ -20853,7 +17502,7 @@ function maybeReadMore_(stream, state) {
 // for virtual (non-string, non-buffer) streams, "length" is somewhat
 // arbitrary, and perhaps not very meaningful.
 Readable.prototype._read = function (n) {
-  this.emit('error', new Error('not implemented'));
+  this.emit('error', new Error('_read() is not implemented'));
 };
 
 Readable.prototype.pipe = function (dest, pipeOpts) {
@@ -20922,17 +17571,25 @@ Readable.prototype.pipe = function (dest, pipeOpts) {
     if (state.awaitDrain && (!dest._writableState || dest._writableState.needDrain)) ondrain();
   }
 
+  // If the user pushes more data while we're writing to dest then we'll end up
+  // in ondata again. However, we only want to increase awaitDrain once because
+  // dest will only emit one 'drain' event for the multiple writes.
+  // => Introduce a guard on increasing awaitDrain.
+  var increasedAwaitDrain = false;
   src.on('data', ondata);
   function ondata(chunk) {
     debug('ondata');
+    increasedAwaitDrain = false;
     var ret = dest.write(chunk);
-    if (false === ret) {
+    if (false === ret && !increasedAwaitDrain) {
       // If the user unpiped during `dest.write()`, it is possible
       // to get stuck in a permanently paused state if that write
       // also returned false.
-      if (state.pipesCount === 1 && state.pipes[0] === dest && src.listenerCount('data') === 1 && !cleanedUp) {
+      // => Check whether `dest` is still a piping destination.
+      if ((state.pipesCount === 1 && state.pipes === dest || state.pipesCount > 1 && indexOf(state.pipes, dest) !== -1) && !cleanedUp) {
         debug('false write response, pause', src._readableState.awaitDrain);
         src._readableState.awaitDrain++;
+        increasedAwaitDrain = true;
       }
       src.pause();
     }
@@ -20946,9 +17603,9 @@ Readable.prototype.pipe = function (dest, pipeOpts) {
     dest.removeListener('error', onerror);
     if (EElistenerCount(dest, 'error') === 0) dest.emit('error', er);
   }
-  // This is a brutally ugly hack to make sure that our error handler
-  // is attached before any userland ones.  NEVER DO THIS.
-  if (!dest._events || !dest._events.error) dest.on('error', onerror);else if (isArray(dest._events.error)) dest._events.error.unshift(onerror);else dest._events.error = [onerror, dest._events.error];
+
+  // Make sure our error handler is attached before userland ones.
+  prependListener(dest, 'error', onerror);
 
   // Both close and finish should trigger unpipe, but only once.
   function onclose() {
@@ -21023,16 +17680,16 @@ Readable.prototype.unpipe = function (dest) {
     state.pipesCount = 0;
     state.flowing = false;
 
-    for (var _i = 0; _i < len; _i++) {
-      dests[_i].emit('unpipe', this);
+    for (var i = 0; i < len; i++) {
+      dests[i].emit('unpipe', this);
     }return this;
   }
 
   // try to find the right one.
-  var i = indexOf(state.pipes, dest);
-  if (i === -1) return this;
+  var index = indexOf(state.pipes, dest);
+  if (index === -1) return this;
 
-  state.pipes.splice(i, 1);
+  state.pipes.splice(index, 1);
   state.pipesCount -= 1;
   if (state.pipesCount === 1) state.pipes = state.pipes[0];
 
@@ -21046,18 +17703,14 @@ Readable.prototype.unpipe = function (dest) {
 Readable.prototype.on = function (ev, fn) {
   var res = Stream.prototype.on.call(this, ev, fn);
 
-  // If listening to data, and it has not explicitly been paused,
-  // then call resume to start the flow of data on the next tick.
-  if (ev === 'data' && false !== this._readableState.flowing) {
-    this.resume();
-  }
-
-  if (ev === 'readable' && !this._readableState.endEmitted) {
+  if (ev === 'data') {
+    // Start flowing on next tick if stream isn't explicitly paused
+    if (this._readableState.flowing !== false) this.resume();
+  } else if (ev === 'readable') {
     var state = this._readableState;
-    if (!state.readableListening) {
-      state.readableListening = true;
+    if (!state.endEmitted && !state.readableListening) {
+      state.readableListening = state.needReadable = true;
       state.emittedReadable = false;
-      state.needReadable = true;
       if (!state.reading) {
         processNextTick(nReadingNextTick, this);
       } else if (state.length) {
@@ -21101,6 +17754,7 @@ function resume_(stream, state) {
   }
 
   state.resumeScheduled = false;
+  state.awaitDrain = 0;
   stream.emit('resume');
   flow(stream);
   if (state.flowing && !state.reading) stream.read(0);
@@ -21119,11 +17773,7 @@ Readable.prototype.pause = function () {
 function flow(stream) {
   var state = stream._readableState;
   debug('flow', state.flowing);
-  if (state.flowing) {
-    do {
-      var chunk = stream.read();
-    } while (null !== chunk && state.flowing);
-  }
+  while (state.flowing && stream.read() !== null) {}
 }
 
 // wrap an old-style stream as the async data source.
@@ -21194,50 +17844,101 @@ Readable._fromList = fromList;
 
 // Pluck off n bytes from an array of buffers.
 // Length is the combined lengths of all the buffers in the list.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
 function fromList(n, state) {
-  var list = state.buffer;
-  var length = state.length;
-  var stringMode = !!state.decoder;
-  var objectMode = !!state.objectMode;
-  var ret;
-
-  // nothing in the list, definitely empty.
-  if (list.length === 0) return null;
+  // nothing buffered
+  if (state.length === 0) return null;
 
-  if (length === 0) ret = null;else if (objectMode) ret = list.shift();else if (!n || n >= length) {
-    // read it all, truncate the array.
-    if (stringMode) ret = list.join('');else if (list.length === 1) ret = list[0];else ret = Buffer.concat(list, length);
-    list.length = 0;
+  var ret;
+  if (state.objectMode) ret = state.buffer.shift();else if (!n || n >= state.length) {
+    // read it all, truncate the list
+    if (state.decoder) ret = state.buffer.join('');else if (state.buffer.length === 1) ret = state.buffer.head.data;else ret = state.buffer.concat(state.length);
+    state.buffer.clear();
   } else {
-    // read just some of it.
-    if (n < list[0].length) {
-      // just take a part of the first list item.
-      // slice is the same for buffers and strings.
-      var buf = list[0];
-      ret = buf.slice(0, n);
-      list[0] = buf.slice(n);
-    } else if (n === list[0].length) {
-      // first list is a perfect match
-      ret = list.shift();
-    } else {
-      // complex case.
-      // we have enough to cover it, but it spans past the first buffer.
-      if (stringMode) ret = '';else ret = new Buffer(n);
-
-      var c = 0;
-      for (var i = 0, l = list.length; i < l && c < n; i++) {
-        var buf = list[0];
-        var cpy = Math.min(n - c, buf.length);
+    // read part of list
+    ret = fromListPartial(n, state.buffer, state.decoder);
+  }
 
-        if (stringMode) ret += buf.slice(0, cpy);else buf.copy(ret, c, 0, cpy);
+  return ret;
+}
 
-        if (cpy < buf.length) list[0] = buf.slice(cpy);else list.shift();
+// Extracts only enough buffered data to satisfy the amount requested.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function fromListPartial(n, list, hasStrings) {
+  var ret;
+  if (n < list.head.data.length) {
+    // slice is the same for buffers and strings
+    ret = list.head.data.slice(0, n);
+    list.head.data = list.head.data.slice(n);
+  } else if (n === list.head.data.length) {
+    // first chunk is a perfect match
+    ret = list.shift();
+  } else {
+    // result spans more than one buffer
+    ret = hasStrings ? copyFromBufferString(n, list) : copyFromBuffer(n, list);
+  }
+  return ret;
+}
 
-        c += cpy;
+// Copies a specified amount of characters from the list of buffered data
+// chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBufferString(n, list) {
+  var p = list.head;
+  var c = 1;
+  var ret = p.data;
+  n -= ret.length;
+  while (p = p.next) {
+    var str = p.data;
+    var nb = n > str.length ? str.length : n;
+    if (nb === str.length) ret += str;else ret += str.slice(0, n);
+    n -= nb;
+    if (n === 0) {
+      if (nb === str.length) {
+        ++c;
+        if (p.next) list.head = p.next;else list.head = list.tail = null;
+      } else {
+        list.head = p;
+        p.data = str.slice(nb);
       }
+      break;
     }
+    ++c;
   }
+  list.length -= c;
+  return ret;
+}
 
+// Copies a specified amount of bytes from the list of buffered data chunks.
+// This function is designed to be inlinable, so please take care when making
+// changes to the function body.
+function copyFromBuffer(n, list) {
+  var ret = bufferShim.allocUnsafe(n);
+  var p = list.head;
+  var c = 1;
+  p.data.copy(ret);
+  n -= p.data.length;
+  while (p = p.next) {
+    var buf = p.data;
+    var nb = n > buf.length ? buf.length : n;
+    buf.copy(ret, ret.length - n, 0, nb);
+    n -= nb;
+    if (n === 0) {
+      if (nb === buf.length) {
+        ++c;
+        if (p.next) list.head = p.next;else list.head = list.tail = null;
+      } else {
+        list.head = p;
+        p.data = buf.slice(nb);
+      }
+      break;
+    }
+    ++c;
+  }
+  list.length -= c;
   return ret;
 }
 
@@ -21246,7 +17947,7 @@ function endReadable(stream) {
 
   // If we get here before consuming all the bytes, then that is a
   // bug in node.  Should never happen.
-  if (state.length > 0) throw new Error('endReadable called on non-empty stream');
+  if (state.length > 0) throw new Error('"endReadable()" called on non-empty stream');
 
   if (!state.endEmitted) {
     state.ended = true;
@@ -21276,7 +17977,7 @@ function indexOf(xs, x) {
   return -1;
 }
 }).call(this,require('_process'))
-},{"./_stream_duplex":51,"_process":50,"buffer":21,"core-util-is":22,"events":25,"inherits":28,"isarray":30,"process-nextick-args":49,"string_decoder/":56,"util":18}],53:[function(require,module,exports){
+},{"./_stream_duplex":43,"./internal/streams/BufferList":47,"_process":42,"buffer":22,"buffer-shims":21,"core-util-is":23,"events":24,"inherits":27,"isarray":29,"process-nextick-args":41,"string_decoder/":49,"util":18}],45:[function(require,module,exports){
 // a transform stream is a readable/writable stream where you do
 // something with the data.  Sometimes it's called a "filter",
 // but that's not a great name for it, since that implies a thing where
@@ -21373,7 +18074,6 @@ function Transform(options) {
 
   this._transformState = new TransformState(this);
 
-  // when the writable side finishes, then flush out anything remaining.
   var stream = this;
 
   // start out asking for a readable event once data is transformed.
@@ -21390,9 +18090,10 @@ function Transform(options) {
     if (typeof options.flush === 'function') this._flush = options.flush;
   }
 
+  // When the writable side finishes, then flush out anything remaining.
   this.once('prefinish', function () {
-    if (typeof this._flush === 'function') this._flush(function (er) {
-      done(stream, er);
+    if (typeof this._flush === 'function') this._flush(function (er, data) {
+      done(stream, er, data);
     });else done(stream);
   });
 }
@@ -21413,7 +18114,7 @@ Transform.prototype.push = function (chunk, encoding) {
 // an error, then that'll put the hurt on the whole operation.  If you
 // never call cb(), then you'll never get another chunk.
 Transform.prototype._transform = function (chunk, encoding, cb) {
-  throw new Error('not implemented');
+  throw new Error('_transform() is not implemented');
 };
 
 Transform.prototype._write = function (chunk, encoding, cb) {
@@ -21443,21 +18144,23 @@ Transform.prototype._read = function (n) {
   }
 };
 
-function done(stream, er) {
+function done(stream, er, data) {
   if (er) return stream.emit('error', er);
 
+  if (data !== null && data !== undefined) stream.push(data);
+
   // if there's nothing in the write buffer, then that means
   // that nothing more will ever be provided
   var ws = stream._writableState;
   var ts = stream._transformState;
 
-  if (ws.length) throw new Error('calling transform done when ws.length != 0');
+  if (ws.length) throw new Error('Calling transform done when ws.length != 0');
 
-  if (ts.transforming) throw new Error('calling transform done when still transforming');
+  if (ts.transforming) throw new Error('Calling transform done when still transforming');
 
   return stream.push(null);
 }
-},{"./_stream_duplex":51,"core-util-is":22,"inherits":28}],54:[function(require,module,exports){
+},{"./_stream_duplex":43,"core-util-is":23,"inherits":27}],46:[function(require,module,exports){
 (function (process){
 // A bit simpler than readable streams.
 // Implement an async ._write(chunk, encoding, cb), and it'll handle all
@@ -21476,7 +18179,7 @@ var asyncWrite = !process.browser && ['v0.10', 'v0.9.'].indexOf(process.version.
 /*</replacement>*/
 
 /*<replacement>*/
-var Buffer = require('buffer').Buffer;
+var Duplex;
 /*</replacement>*/
 
 Writable.WritableState = WritableState;
@@ -21504,6 +18207,9 @@ var Stream;
 /*</replacement>*/
 
 var Buffer = require('buffer').Buffer;
+/*<replacement>*/
+var bufferShim = require('buffer-shims');
+/*</replacement>*/
 
 util.inherits(Writable, Stream);
 
@@ -21516,7 +18222,6 @@ function WriteReq(chunk, encoding, cb) {
   this.next = null;
 }
 
-var Duplex;
 function WritableState(options, stream) {
   Duplex = Duplex || require('./_stream_duplex');
 
@@ -21538,6 +18243,7 @@ function WritableState(options, stream) {
   // cast to ints.
   this.highWaterMark = ~ ~this.highWaterMark;
 
+  // drain event flag.
   this.needDrain = false;
   // at the start of calling end()
   this.ending = false;
@@ -21607,13 +18313,12 @@ function WritableState(options, stream) {
   // count buffered requests
   this.bufferedRequestCount = 0;
 
-  // create the two objects needed to store the corked requests
-  // they are not a linked list, as no new elements are inserted in there
+  // allocate the first CorkedRequest, there is always
+  // one allocated and free to use, and we maintain at most two
   this.corkedRequestsFree = new CorkedRequest(this);
-  this.corkedRequestsFree.next = new CorkedRequest(this);
 }
 
-WritableState.prototype.getBuffer = function writableStateGetBuffer() {
+WritableState.prototype.getBuffer = function getBuffer() {
   var current = this.bufferedRequest;
   var out = [];
   while (current) {
@@ -21633,13 +18338,37 @@ WritableState.prototype.getBuffer = function writableStateGetBuffer() {
   } catch (_) {}
 })();
 
-var Duplex;
+// Test _writableState for inheritance to account for Duplex streams,
+// whose prototype chain only points to Readable.
+var realHasInstance;
+if (typeof Symbol === 'function' && Symbol.hasInstance && typeof Function.prototype[Symbol.hasInstance] === 'function') {
+  realHasInstance = Function.prototype[Symbol.hasInstance];
+  Object.defineProperty(Writable, Symbol.hasInstance, {
+    value: function (object) {
+      if (realHasInstance.call(this, object)) return true;
+
+      return object && object._writableState instanceof WritableState;
+    }
+  });
+} else {
+  realHasInstance = function (object) {
+    return object instanceof this;
+  };
+}
+
 function Writable(options) {
   Duplex = Duplex || require('./_stream_duplex');
 
-  // Writable ctor is applied to Duplexes, though they're not
-  // instanceof Writable, they're instanceof Readable.
-  if (!(this instanceof Writable) && !(this instanceof Duplex)) return new Writable(options);
+  // Writable ctor is applied to Duplexes, too.
+  // `realHasInstance` is necessary because using plain `instanceof`
+  // would return false, as no `_writableState` property is attached.
+
+  // Trying to use the custom `instanceof` for Writable here will also break the
+  // Node.js LazyTransform implementation, which has a non-trivial getter for
+  // `_writableState` that would lead to infinite recursion.
+  if (!realHasInstance.call(Writable, this) && !(this instanceof Duplex)) {
+    return new Writable(options);
+  }
 
   this._writableState = new WritableState(options, this);
 
@@ -21657,7 +18386,7 @@ function Writable(options) {
 
 // Otherwise people can pipe Writable streams, which is just wrong.
 Writable.prototype.pipe = function () {
-  this.emit('error', new Error('Cannot pipe. Not readable.'));
+  this.emit('error', new Error('Cannot pipe, not readable'));
 };
 
 function writeAfterEnd(stream, cb) {
@@ -21674,9 +18403,16 @@ function writeAfterEnd(stream, cb) {
 // how many bytes or characters.
 function validChunk(stream, state, chunk, cb) {
   var valid = true;
-
-  if (!Buffer.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== null && chunk !== undefined && !state.objectMode) {
-    var er = new TypeError('Invalid non-string/buffer chunk');
+  var er = false;
+  // Always throw error if a null is written
+  // if we are not in object mode then throw
+  // if it is not a buffer, string, or undefined.
+  if (chunk === null) {
+    er = new TypeError('May not write null values to stream');
+  } else if (!Buffer.isBuffer(chunk) && typeof chunk !== 'string' && chunk !== undefined && !state.objectMode) {
+    er = new TypeError('Invalid non-string/buffer chunk');
+  }
+  if (er) {
     stream.emit('error', er);
     processNextTick(cb, er);
     valid = false;
@@ -21726,11 +18462,12 @@ Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
   if (typeof encoding === 'string') encoding = encoding.toLowerCase();
   if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64', 'ucs2', 'ucs-2', 'utf16le', 'utf-16le', 'raw'].indexOf((encoding + '').toLowerCase()) > -1)) throw new TypeError('Unknown encoding: ' + encoding);
   this._writableState.defaultEncoding = encoding;
+  return this;
 };
 
 function decodeChunk(state, chunk, encoding) {
   if (!state.objectMode && state.decodeStrings !== false && typeof chunk === 'string') {
-    chunk = new Buffer(chunk, encoding);
+    chunk = bufferShim.from(chunk, encoding);
   }
   return chunk;
 }
@@ -21853,12 +18590,16 @@ function clearBuffer(stream, state) {
 
     doWrite(stream, state, true, state.length, buffer, '', holder.finish);
 
-    // doWrite is always async, defer these to save a bit of time
+    // doWrite is almost always async, defer these to save a bit of time
     // as the hot path ends with doWrite
     state.pendingcb++;
     state.lastBufferedRequest = null;
-    state.corkedRequestsFree = holder.next;
-    holder.next = null;
+    if (holder.next) {
+      state.corkedRequestsFree = holder.next;
+      holder.next = null;
+    } else {
+      state.corkedRequestsFree = new CorkedRequest(state);
+    }
   } else {
     // Slow case, write chunks one-by-one
     while (entry) {
@@ -21887,7 +18628,7 @@ function clearBuffer(stream, state) {
 }
 
 Writable.prototype._write = function (chunk, encoding, cb) {
-  cb(new Error('not implemented'));
+  cb(new Error('_write() is not implemented'));
 };
 
 Writable.prototype._writev = null;
@@ -21976,10 +18717,75 @@ function CorkedRequest(state) {
   };
 }
 }).call(this,require('_process'))
-},{"./_stream_duplex":51,"_process":50,"buffer":21,"core-util-is":22,"events":25,"inherits":28,"process-nextick-args":49,"util-deprecate":57}],55:[function(require,module,exports){
+},{"./_stream_duplex":43,"_process":42,"buffer":22,"buffer-shims":21,"core-util-is":23,"events":24,"inherits":27,"process-nextick-args":41,"util-deprecate":50}],47:[function(require,module,exports){
+'use strict';
+
+var Buffer = require('buffer').Buffer;
+/*<replacement>*/
+var bufferShim = require('buffer-shims');
+/*</replacement>*/
+
+module.exports = BufferList;
+
+function BufferList() {
+  this.head = null;
+  this.tail = null;
+  this.length = 0;
+}
+
+BufferList.prototype.push = function (v) {
+  var entry = { data: v, next: null };
+  if (this.length > 0) this.tail.next = entry;else this.head = entry;
+  this.tail = entry;
+  ++this.length;
+};
+
+BufferList.prototype.unshift = function (v) {
+  var entry = { data: v, next: this.head };
+  if (this.length === 0) this.tail = entry;
+  this.head = entry;
+  ++this.length;
+};
+
+BufferList.prototype.shift = function () {
+  if (this.length === 0) return;
+  var ret = this.head.data;
+  if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next;
+  --this.length;
+  return ret;
+};
+
+BufferList.prototype.clear = function () {
+  this.head = this.tail = null;
+  this.length = 0;
+};
+
+BufferList.prototype.join = function (s) {
+  if (this.length === 0) return '';
+  var p = this.head;
+  var ret = '' + p.data;
+  while (p = p.next) {
+    ret += s + p.data;
+  }return ret;
+};
+
+BufferList.prototype.concat = function (n) {
+  if (this.length === 0) return bufferShim.alloc(0);
+  if (this.length === 1) return this.head.data;
+  var ret = bufferShim.allocUnsafe(n >>> 0);
+  var p = this.head;
+  var i = 0;
+  while (p) {
+    p.data.copy(ret, i);
+    i += p.data.length;
+    p = p.next;
+  }
+  return ret;
+};
+},{"buffer":22,"buffer-shims":21}],48:[function(require,module,exports){
 module.exports = require("./lib/_stream_transform.js")
 
-},{"./lib/_stream_transform.js":53}],56:[function(require,module,exports){
+},{"./lib/_stream_transform.js":45}],49:[function(require,module,exports){
 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
@@ -22202,7 +19008,7 @@ function base64DetectIncompleteChar(buffer) {
   this.charLength = this.charReceived ? 3 : 0;
 }
 
-},{"buffer":21}],57:[function(require,module,exports){
+},{"buffer":22}],50:[function(require,module,exports){
 (function (global){
 
 /**
@@ -22273,14 +19079,16 @@ function config (name) {
 }
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],58:[function(require,module,exports){
+},{}],51:[function(require,module,exports){
+arguments[4][27][0].apply(exports,arguments)
+},{"dup":27}],52:[function(require,module,exports){
 module.exports = function isBuffer(arg) {
   return arg && typeof arg === 'object'
     && typeof arg.copy === 'function'
     && typeof arg.fill === 'function'
     && typeof arg.readUInt8 === 'function';
 }
-},{}],59:[function(require,module,exports){
+},{}],53:[function(require,module,exports){
 (function (process,global){
 // Copyright Joyent, Inc. and other Node contributors.
 //
@@ -22870,15 +19678,14 @@ function hasOwnProperty(obj, prop) {
 }
 
 }).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./support/isBuffer":58,"_process":50,"inherits":28}],60:[function(require,module,exports){
+},{"./support/isBuffer":52,"_process":42,"inherits":51}],54:[function(require,module,exports){
 var bundleFn = arguments[3];
 var sources = arguments[4];
 var cache = arguments[5];
 
 var stringify = JSON.stringify;
 
-module.exports = function (fn) {
-    var keys = [];
+module.exports = function (fn, options) {
     var wkey;
     var cacheKeys = Object.keys(cache);
 
@@ -22889,7 +19696,7 @@ module.exports = function (fn) {
         // be an object with the default export as a property of it. To ensure
         // the existing api and babel esmodule exports are both supported we
         // check for both
-        if (exp === fn || exp.default === fn) {
+        if (exp === fn || exp && exp.default === fn) {
             wkey = key;
             break;
         }
@@ -22920,8 +19727,22 @@ module.exports = function (fn) {
         scache
     ];
 
+    var workerSources = {};
+    resolveSources(skey);
+
+    function resolveSources(key) {
+        workerSources[key] = true;
+
+        for (var depPath in sources[key][1]) {
+            var depKey = sources[key][1][depPath];
+            if (!workerSources[depKey]) {
+                resolveSources(depKey);
+            }
+        }
+    }
+
     var src = '(' + bundleFn + ')({'
-        + Object.keys(sources).map(function (key) {
+        + Object.keys(workerSources).map(function (key) {
             return stringify(key) + ':['
                 + sources[key][0]
                 + ',' + stringify(sources[key][1]) + ']'
@@ -22932,9 +19753,12 @@ module.exports = function (fn) {
 
     var URL = window.URL || window.webkitURL || window.mozURL || window.msURL;
 
-    return new Worker(URL.createObjectURL(
-        new Blob([src], { type: 'text/javascript' })
-    ));
+    var blob = new Blob([src], { type: 'text/javascript' });
+    if (options && options.bare) { return blob; }
+    var workerUrl = URL.createObjectURL(blob);
+    var worker = new Worker(workerUrl);
+    worker.objectURL = workerUrl;
+    return worker;
 };
 
 },{}]},{},[1])(1)
diff --git a/dist/inkjet.min.js b/dist/inkjet.min.js
index 2ff2659..9472a23 100644
--- a/dist/inkjet.min.js
+++ b/dist/inkjet.min.js
@@ -1,14 +1,7 @@
-/*
- * inkjet - JPEG-image decoding, encoding & EXIF reading library for browser and node.js
- * @version v2.0.2
- * @author Grigoriy Chudnov <g.chudnov@gmail.com> (https://github.com/gchudnov)
- * @link https://github.com/gchudnov/inkjet
- * @license MIT
- */
-!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.inkjet=e()}}(function(){return function e(t,r,n){function i(o,s){if(!r[o]){if(!t[o]){var u="function"==typeof require&&require;if(!s&&u)return u(o,!0);if(a)return a(o,!0);var c=new Error("Cannot find module '"+o+"'");throw c.code="MODULE_NOT_FOUND",c}var f=r[o]={exports:{}};t[o][0].call(f.exports,function(e){var r=t[o][1][e];return i(r?r:e)},f,f.exports,e,t,r,n)}return r[o].exports}for(var a="function"==typeof require&&require,o=0;o<n.length;o++)i(n[o]);return i}({1:[function(e,t,r){"use strict";function n(t,r,n){"function"==typeof r&&(n=r,r={});try{if(t=c.toUint8Array(t),u){var i=e("webworkify")(m);i.onmessage=function(e){var t=e.data,r=t.err?new Error(t.err):void 0;n(r,t.result)};var a={buf:t,options:r};r.transferable?i.postMessage(a,[t]):i.postMessage(a)}else l(t,r,n)}catch(o){n(o)}}function i(t,r,n){"function"==typeof r&&(n=r,r={});try{if(t=c.toArrayLike(t),!r.hasOwnProperty("width")||!r.hasOwnProperty("height"))return n(new Error("Provide width & height of the buffer"));if(u){var i=e("webworkify")(v);i.onmessage=function(e){var t=e.data,r=t.err?new Error(t.err):void 0;n(r,t.result)};var a={buf:t,options:r};r.transferable?i.postMessage(a,[t]):i.postMessage(a)}else h(t,r,n)}catch(o){n(o)}}function a(t,r,n){"function"==typeof r&&(n=r,r={});try{if(t=c.toArrayBuffer(t),u){var i=e("webworkify")(g);i.onmessage=function(e){var t=e.data,r=t.err?new Error(t.err):void 0;n(r,t.result)};var a={buf:t};r.transferable?i.postMessage(a,[t]):i.postMessage(a)}else f(t,r,n)}catch(o){n(o)}}function o(e,t){try{e=c.toBuffer(e),d.lookup(e,t)}catch(r){t(r)}}function s(e,t){try{e=c.toBuffer(e),p.collect(e,t)}catch(r){t(r)}}var u=e("./lib/has-worker").HAS_WORKER,c=e("./lib/buffer-utils"),f=e("./lib/exif"),l=e("./lib/decode"),h=e("./lib/encode"),d=e("./lib/magic"),p=e("./lib/info"),g=e("./lib/exif-worker"),m=e("./lib/decode-worker"),v=e("./lib/encode-worker");t.exports.decode=n,t.exports.encode=i,t.exports.exif=a,t.exports.magic=o,t.exports.info=s},{"./lib/buffer-utils":5,"./lib/decode":7,"./lib/decode-worker":6,"./lib/encode":9,"./lib/encode-worker":8,"./lib/exif":11,"./lib/exif-worker":10,"./lib/has-worker":12,"./lib/info":13,"./lib/magic":15,webworkify:60}],2:[function(e,t,r){(function(){("undefined"!=typeof r&&null!==r?r:this).ExifReader=function(){function e(){var e=this;this._getTagValueAt={1:function(t){return e._getByteAt(t)},2:function(t){return e._getAsciiAt(t)},3:function(t){return e._getShortAt(t)},4:function(t){return e._getLongAt(t)},5:function(t){return e._getRationalAt(t)},7:function(t){return e._getUndefinedAt(t)},9:function(t){return e._getSlongAt(t)},10:function(t){return e._getSrationalAt(t)}},this._tiffHeaderOffset=0}return e.prototype._MIN_DATA_BUFFER_LENGTH=2,e.prototype._JPEG_ID_SIZE=2,e.prototype._JPEG_ID=65496,e.prototype._APP_MARKER_SIZE=2,e.prototype._APP0_MARKER=65504,e.prototype._APP1_MARKER=65505,e.prototype._APP15_MARKER=65519,e.prototype._APP_ID_OFFSET=4,e.prototype._BYTES_Exif=1165519206,e.prototype._TIFF_HEADER_OFFSET=10,e.prototype._BYTE_ORDER_BIG_ENDIAN=18761,e.prototype._BYTE_ORDER_LITTLE_ENDIAN=19789,e.prototype.load=function(e){return this.loadView(new DataView(e))},e.prototype.loadView=function(e){return this._dataView=e,this._tags={},this._checkImageHeader(),this._readTags(),this._dataView=null},e.prototype._checkImageHeader=function(){if(this._dataView.byteLength<this._MIN_DATA_BUFFER_LENGTH||this._dataView.getUint16(0,!1)!==this._JPEG_ID)throw new Error("Invalid image format");if(this._parseAppMarkers(this._dataView),!this._hasExifData())throw new Error("No Exif data")},e.prototype._parseAppMarkers=function(e){var t,r,n;for(t=this._JPEG_ID_SIZE,n=[];;){if(e.byteLength<t+this._APP_ID_OFFSET+5)break;if(this._isApp1ExifMarker(e,t))r=e.getUint16(t+this._APP_MARKER_SIZE,!1),this._tiffHeaderOffset=t+this._TIFF_HEADER_OFFSET;else{if(!this._isAppMarker(e,t))break;r=e.getUint16(t+this._APP_MARKER_SIZE,!1)}n.push(t+=this._APP_MARKER_SIZE+r)}return n},e.prototype._isApp1ExifMarker=function(e,t){return e.getUint16(t,!1)===this._APP1_MARKER&&e.getUint32(t+this._APP_ID_OFFSET,!1)===this._BYTES_Exif&&0===e.getUint8(t+this._APP_ID_OFFSET+4,!1)},e.prototype._isAppMarker=function(e,t){var r;return r=e.getUint16(t,!1),r>=this._APP0_MARKER&&r<=this._APP15_MARKER},e.prototype._hasExifData=function(){return 0!==this._tiffHeaderOffset},e.prototype._readTags=function(){return this._setByteOrder(),this._read0thIfd(),this._readExifIfd(),this._readGpsIfd(),this._readInteroperabilityIfd()},e.prototype._setByteOrder=function(){if(this._dataView.getUint16(this._tiffHeaderOffset)===this._BYTE_ORDER_BIG_ENDIAN)return this._littleEndian=!0;if(this._dataView.getUint16(this._tiffHeaderOffset)===this._BYTE_ORDER_LITTLE_ENDIAN)return this._littleEndian=!1;throw new Error("Illegal byte order value. Faulty image.")},e.prototype._read0thIfd=function(){var e;return e=this._getIfdOffset(),this._readIfd("0th",e)},e.prototype._getIfdOffset=function(){return this._tiffHeaderOffset+this._getLongAt(this._tiffHeaderOffset+4)},e.prototype._readExifIfd=function(){var e;return null!=this._tags["Exif IFD Pointer"]?(e=this._tiffHeaderOffset+this._tags["Exif IFD Pointer"].value,this._readIfd("exif",e)):void 0},e.prototype._readGpsIfd=function(){var e;return null!=this._tags["GPS Info IFD Pointer"]?(e=this._tiffHeaderOffset+this._tags["GPS Info IFD Pointer"].value,this._readIfd("gps",e)):void 0},e.prototype._readInteroperabilityIfd=function(){var e;return null!=this._tags["Interoperability IFD Pointer"]?(e=this._tiffHeaderOffset+this._tags["Interoperability IFD Pointer"].value,this._readIfd("interoperability",e)):void 0},e.prototype._readIfd=function(e,t){var r,n,i,a,o;for(n=this._getShortAt(t),t+=2,o=[],r=a=0;n>=0?n>a:a>n;r=n>=0?++a:--a)i=this._readTag(e,t),void 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n,i,a,o,s,m,v,_,b,y,w,x,k,E,S,A,I,R=e.quantizationTable,P=e.blockData,T=0;64>T;T+=8)b=P[t+T],y=P[t+T+1],w=P[t+T+2],x=P[t+T+3],k=P[t+T+4],E=P[t+T+5],S=P[t+T+6],A=P[t+T+7],b*=R[T],0!==(y|w|x|k|E|S|A)?(y*=R[T+1],w*=R[T+2],x*=R[T+3],k*=R[T+4],E*=R[T+5],S*=R[T+6],A*=R[T+7],n=p*b+128>>8,i=p*k+128>>8,a=w,o=S,s=g*(y-A)+128>>8,_=g*(y+A)+128>>8,m=x<<4,v=E<<4,n=n+i+1>>1,i=n-i,I=a*d+o*h+128>>8,a=a*h-o*d+128>>8,o=I,s=s+v+1>>1,v=s-v,_=_+m+1>>1,m=_-m,n=n+o+1>>1,o=n-o,i=i+a+1>>1,a=i-a,I=s*l+_*f+2048>>12,s=s*f-_*l+2048>>12,_=I,I=m*c+v*u+2048>>12,m=m*u-v*c+2048>>12,v=I,r[T]=n+_,r[T+7]=n-_,r[T+1]=i+v,r[T+6]=i-v,r[T+2]=a+m,r[T+5]=a-m,r[T+3]=o+s,r[T+4]=o-s):(I=p*b+512>>10,r[T]=I,r[T+1]=I,r[T+2]=I,r[T+3]=I,r[T+4]=I,r[T+5]=I,r[T+6]=I,r[T+7]=I);for(var L=0;8>L;++L)b=r[L],y=r[L+8],w=r[L+16],x=r[L+24],k=r[L+32],E=r[L+40],S=r[L+48],A=r[L+56],0!==(y|w|x|k|E|S|A)?(n=p*b+2048>>12,i=p*k+2048>>12,a=w,o=S,s=g*(y-A)+2048>>12,_=g*(y+A)+2048>>12,m=x,v=E,n=(n+i+1>>1)+4112,i=n-i,I=a*d+o*h+2048>>12,a=a*h-o*d+2048>>12,o=I,s=s+v+1>>1,v=s-v,_=_+m+1>>1,m=_-m,n=n+o+1>>1,o=n-o,i=i+a+1>>1,a=i-a,I=s*l+_*f+2048>>12,s=s*f-_*l+2048>>12,_=I,I=m*c+v*u+2048>>12,m=m*u-v*c+2048>>12,v=I,b=n+_,A=n-_,y=i+v,S=i-v,w=a+m,E=a-m,x=o+s,k=o-s,b=16>b?0:b>=4080?255:b>>4,y=16>y?0:y>=4080?255:y>>4,w=16>w?0:w>=4080?255:w>>4,x=16>x?0:x>=4080?255:x>>4,k=16>k?0:k>=4080?255:k>>4,E=16>E?0:E>=4080?255:E>>4,S=16>S?0:S>=4080?255:S>>4,A=16>A?0:A>=4080?255:A>>4,P[t+L]=b,P[t+L+8]=y,P[t+L+16]=w,P[t+L+24]=x,P[t+L+32]=k,P[t+L+40]=E,P[t+L+48]=S,P[t+L+56]=A):(I=p*b+8192>>14,I=-2040>I?0:I>=2024?255:I+2056>>4,P[t+L]=I,P[t+L+8]=I,P[t+L+16]=I,P[t+L+24]=I,P[t+L+32]=I,P[t+L+40]=I,P[t+L+48]=I,P[t+L+56]=I)}function a(e,t){for(var n=t.blocksPerLine,a=t.blocksPerColumn,o=new Int16Array(64),s=0;a>s;s++)for(var u=0;n>u;u++){var c=r(t,s,u);i(t,c,o)}return t.blockData}function o(e){return 0>=e?0:e>=255?255:e}var s=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]),u=4017,c=799,f=3406,l=2276,h=1567,d=3784,p=5793,g=2896;return e.prototype={parse:function(e){function r(){var t=e[f]<<8|e[f+1];return f+=2,t}function i(){var t=r(),n=e.subarray(f,f+t-2);return f+=n.length,n}function o(e){for(var t=Math.ceil(e.samplesPerLine/8/e.maxH),r=Math.ceil(e.scanLines/8/e.maxV),n=0;n<e.components.length;n++){z=e.components[n];var i=Math.ceil(Math.ceil(e.samplesPerLine/8)*z.h/e.maxH),a=Math.ceil(Math.ceil(e.scanLines/8)*z.v/e.maxV),o=t*z.h,s=r*z.v,u=64*s*(o+1);z.blockData=new Int16Array(u),z.blocksPerLine=i,z.blocksPerColumn=a}e.mcusPerLine=t,e.mcusPerColumn=r}var u,c,f=0,l=(e.length,null),h=null,d=[],p=[],g=[],m=r();if(65496!==m)throw"SOI not found";for(m=r();65497!==m;){var v,_,b;switch(m){case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var y=i();65504===m&&74===y[0]&&70===y[1]&&73===y[2]&&70===y[3]&&0===y[4]&&(l={version:{major:y[5],minor:y[6]},densityUnits:y[7],xDensity:y[8]<<8|y[9],yDensity:y[10]<<8|y[11],thumbWidth:y[12],thumbHeight:y[13],thumbData:y.subarray(14,14+3*y[12]*y[13])}),65518===m&&65===y[0]&&100===y[1]&&111===y[2]&&98===y[3]&&101===y[4]&&(h={version:y[5]<<8|y[6],flags0:y[7]<<8|y[8],flags1:y[9]<<8|y[10],transformCode:y[11]});break;case 65499:for(var w,x=r(),k=x+f-2;k>f;){var E=e[f++],S=new Uint16Array(64);if(E>>4===0)for(_=0;64>_;_++)w=s[_],S[w]=e[f++];else{if(E>>4!==1)throw"DQT: invalid table spec";for(_=0;64>_;_++)w=s[_],S[w]=r()}d[15&E]=S}break;case 65472:case 65473:case 65474:if(u)throw"Only single frame JPEGs supported";r(),u={},u.extended=65473===m,u.progressive=65474===m,u.precision=e[f++],u.scanLines=r(),u.samplesPerLine=r(),u.components=[],u.componentIds={};var A,I=e[f++],R=0,P=0;for(v=0;I>v;v++){A=e[f];var T=e[f+1]>>4,L=15&e[f+1];T>R&&(R=T),L>P&&(P=L);var M=e[f+2];b=u.components.push({h:T,v:L,quantizationTable:d[M]}),u.componentIds[A]=b-1,f+=3}u.maxH=R,u.maxV=P,o(u);break;case 65476:var C=r();for(v=2;C>v;){var O=e[f++],D=new Uint8Array(16),U=0;for(_=0;16>_;_++,f++)U+=D[_]=e[f];var B=new Uint8Array(U);for(_=0;U>_;_++,f++)B[_]=e[f];v+=17+U,(O>>4===0?g:p)[15&O]=t(D,B)}break;case 65501:r(),c=r();break;case 65498:var z,F=(r(),e[f++]),j=[];for(v=0;F>v;v++){var N=u.componentIds[e[f++]];z=u.components[N];var Z=e[f++];z.huffmanTableDC=g[Z>>4],z.huffmanTableAC=p[15&Z],j.push(z)}var q=e[f++],G=e[f++],H=e[f++],Y=n(e,f,u,j,c,q,G,H>>4,15&H);f+=Y;break;case 65535:255!==e[f]&&f--;break;default:if(255===e[f-3]&&e[f-2]>=192&&e[f-2]<=254){f-=3;break}throw"unknown JPEG marker "+m.toString(16)}m=r()}for(this.width=u.samplesPerLine,this.height=u.scanLines,this.jfif=l,this.adobe=h,this.components=[],v=0;v<u.components.length;v++)z=u.components[v],this.components.push({output:a(u,z),scaleX:z.h/u.maxH,scaleY:z.v/u.maxV,blocksPerLine:z.blocksPerLine,blocksPerColumn:z.blocksPerColumn});this.numComponents=this.components.length},_getLinearizedBlockData:function(e,t){var r,n,i,a,o,s,u,c,f,l,h,d=this.width/e,p=this.height/t,g=0,m=this.components.length,v=e*t*m,_=new Uint8Array(v),b=new Uint32Array(e),y=4294967288;for(u=0;m>u;u++){for(r=this.components[u],n=r.scaleX*d,i=r.scaleY*p,g=u,h=r.output,a=r.blocksPerLine+1<<3,o=0;e>o;o++)c=0|o*n,b[o]=(c&y)<<3|7&c;for(s=0;t>s;s++)for(c=0|s*i,l=a*(c&y)|(7&c)<<3,o=0;e>o;o++)_[g]=h[l+b[o]],g+=m}var w=this.decodeTransform;if(w)for(u=0;v>u;)for(c=0,f=0;m>c;c++,u++,f+=2)_[u]=(_[u]*w[f]>>8)+w[f+1];return _},_isColorConversionNeeded:function(){return this.adobe&&this.adobe.transformCode?!0:3===this.numComponents},_convertYccToRgb:function(e){for(var t,r,n,i=0,a=e.length;a>i;i+=3)t=e[i],r=e[i+1],n=e[i+2],e[i]=o(t-179.456+1.402*n),e[i+1]=o(t+135.459-.344*r-.714*n),e[i+2]=o(t-226.816+1.772*r);return e},_convertYcckToRgb:function(e){for(var t,r,n,i,a=0,s=0,u=e.length;u>s;s+=4){t=e[s],r=e[s+1],n=e[s+2],i=e[s+3];var c=-122.67195406894+r*(-660635669420364e-19*r+.000437130475926232*n-54080610064599e-18*t+.00048449797120281*i-.154362151871126)+n*(-.000957964378445773*n+.000817076911346625*t-.00477271405408747*i+1.53380253221734)+t*(.000961250184130688*t-.00266257332283933*i+.48357088451265)+i*(-.000336197177618394*i+.484791561490776),f=107.268039397724+r*(219927104525741e-19*r-.000640992018297945*n+.000659397001245577*t+.000426105652938837*i-.176491792462875)+n*(-.000778269941513683*n+.00130872261408275*t+.000770482631801132*i-.151051492775562)+t*(.00126935368114843*t-.00265090189010898*i+.25802910206845)+i*(-.000318913117588328*i-.213742400323665),l=-20.810012546947+r*(-.000570115196973677*r-263409051004589e-19*n+.0020741088115012*t-.00288260236853442*i+.814272968359295)+n*(-153496057440975e-19*n-.000132689043961446*t+.000560833691242812*i-.195152027534049)+t*(.00174418132927582*t-.00255243321439347*i+.116935020465145)+i*(-.000343531996510555*i+.24165260232407);e[a++]=o(c),e[a++]=o(f),e[a++]=o(l)}return e},_convertYcckToCmyk:function(e){for(var t,r,n,i=0,a=e.length;a>i;i+=4)t=e[i],r=e[i+1],n=e[i+2],e[i]=o(434.456-t-1.402*n),e[i+1]=o(119.541-t+.344*r+.714*n),e[i+2]=o(481.816-t-1.772*r);return e},_convertCmykToRgb:function(e){for(var t,r,n,i,a=0,o=-16581375,s=1/255/255,u=0,c=e.length;c>u;u+=4){t=e[u],r=e[u+1],n=e[u+2],i=e[u+3];var f=t*(-4.387332384609988*t+54.48615194189176*r+18.82290502165302*n+212.25662451639585*i-72734.4411664936)+r*(1.7149763477362134*r-5.6096736904047315*n-17.873870861415444*i-1401.7366389350734)+n*(-2.5217340131683033*n-21.248923337353073*i+4465.541406466231)-i*(21.86122147463605*i+48317.86113160301),l=t*(8.841041422036149*t+60.118027045597366*r+6.871425592049007*n+31.159100130055922*i-20220.756542821975)+r*(-15.310361306967817*r+17.575251261109482*n+131.35250912493976*i-48691.05921601825)+n*(4.444339102852739*n+9.8632861493405*i-6341.191035517494)-i*(20.737325471181034*i+47890.15695978492),h=t*(.8842522430003296*t+8.078677503112928*r+30.89978309703729*n-.23883238689178934*i-3616.812083916688)+r*(10.49593273432072*r+63.02378494754052*n+50.606957656360734*i-28620.90484698408)+n*(.03296041114873217*n+115.60384449646641*i-49363.43385999684)-i*(22.33816807309886*i+45932.16563550634);e[a++]=f>=0?255:o>=f?0:255+f*s|0,e[a++]=l>=0?255:o>=l?0:255+l*s|0,e[a++]=h>=0?255:o>=h?0:255+h*s|0}return e},getData:function(e,t,r){if(this.numComponents>4)throw"Unsupported color mode";var n=this._getLinearizedBlockData(e,t);if(3===this.numComponents)return this._convertYccToRgb(n);if(4===this.numComponents){if(this._isColorConversionNeeded())return r?this._convertYcckToRgb(n):this._convertYcckToCmyk(n);if(r)return this._convertCmykToRgb(n)}return n}},e}(),s=function(){function e(e,t,r){this.data=e,this.bp=t,this.dataEnd=r,this.chigh=e[t],this.clow=0,this.byteIn(),this.chigh=this.chigh<<7&65535|this.clow>>9&127,this.clow=this.clow<<7&65535,this.ct-=7,this.a=32768}var t=[{qe:22017,nmps:1,nlps:1,switchFlag:1},{qe:13313,nmps:2,nlps:6,switchFlag:0},{qe:6145,nmps:3,nlps:9,switchFlag:0},{qe:2753,nmps:4,nlps:12,switchFlag:0},{qe:1313,nmps:5,nlps:29,switchFlag:0},{qe:545,nmps:38,nlps:33,switchFlag:0},{qe:22017,nmps:7,nlps:6,switchFlag:1},{qe:21505,nmps:8,nlps:14,switchFlag:0},{qe:18433,nmps:9,nlps:14,switchFlag:0},{qe:14337,nmps:10,nlps:14,switchFlag:0},{qe:12289,nmps:11,nlps:17,switchFlag:0},{qe:9217,nmps:12,nlps:18,switchFlag:0},{qe:7169,nmps:13,nlps:20,switchFlag:0},{qe:5633,nmps:29,nlps:21,switchFlag:0},{qe:22017,nmps:15,nlps:14,switchFlag:1},{qe:21505,nmps:16,nlps:14,switchFlag:0},{qe:20737,nmps:17,nlps:15,switchFlag:0},{qe:18433,nmps:18,nlps:16,switchFlag:0},{qe:14337,nmps:19,nlps:17,switchFlag:0},{qe:13313,nmps:20,nlps:18,switchFlag:0},{qe:12289,nmps:21,nlps:19,switchFlag:0},{qe:10241,nmps:22,nlps:19,switchFlag:0},{qe:9217,nmps:23,nlps:20,switchFlag:0},{qe:8705,nmps:24,nlps:21,switchFlag:0},{qe:7169,nmps:25,nlps:22,switchFlag:0},{qe:6145,nmps:26,nlps:23,switchFlag:0},{qe:5633,nmps:27,nlps:24,switchFlag:0},{qe:5121,nmps:28,nlps:25,switchFlag:0},{qe:4609,nmps:29,nlps:26,switchFlag:0},{qe:4353,nmps:30,nlps:27,switchFlag:0},{qe:2753,nmps:31,nlps:28,switchFlag:0},{qe:2497,nmps:32,nlps:29,switchFlag:0},{qe:2209,nmps:33,nlps:30,switchFlag:0},{qe:1313,nmps:34,nlps:31,switchFlag:0},{qe:1089,nmps:35,nlps:32,switchFlag:0},{qe:673,nmps:36,nlps:33,switchFlag:0},{qe:545,nmps:37,nlps:34,switchFlag:0},{qe:321,nmps:38,nlps:35,switchFlag:0},{qe:273,nmps:39,nlps:36,switchFlag:0},{qe:133,nmps:40,nlps:37,switchFlag:0},{qe:73,nmps:41,nlps:38,switchFlag:0},{qe:37,nmps:42,nlps:39,switchFlag:0},{qe:21,nmps:43,nlps:40,switchFlag:0},{qe:9,nmps:44,nlps:41,switchFlag:0},{qe:5,nmps:45,nlps:42,switchFlag:0},{qe:1,nmps:45,nlps:43,switchFlag:0},{qe:22017,nmps:46,nlps:46,switchFlag:0}];return e.prototype={byteIn:function(){var e=this.data,t=this.bp;if(255===e[t]){var r=e[t+1];r>143?(this.clow+=65280,this.ct=8):(t++,this.clow+=e[t]<<9,this.ct=7,this.bp=t)}else t++,this.clow+=t<this.dataEnd?e[t]<<8:65280,this.ct=8,this.bp=t;this.clow>65535&&(this.chigh+=this.clow>>16,this.clow&=65535)},readBit:function(e,r){var n,i=e[r]>>1,a=1&e[r],o=t[i],s=o.qe,u=this.a-s;if(this.chigh<s)s>u?(u=s,n=a,i=o.nmps):(u=s,n=1^a,1===o.switchFlag&&(a=n),i=o.nlps);else{if(this.chigh-=s,0!==(32768&u))return this.a=u,a;s>u?(n=1^a,1===o.switchFlag&&(a=n),i=o.nlps):(n=a,i=o.nmps)}do 0===this.ct&&this.byteIn(),u<<=1,this.chigh=this.chigh<<1&65535|this.clow>>15&1,this.clow=this.clow<<1&65535,this.ct--;while(0===(32768&u));return this.a=u,e[r]=i<<1|a,n}},e}(),u=function(){function e(){this.failOnCorruptedImage=!1}function r(e,t){e.x0=Math.ceil(t.XOsiz/e.XRsiz),e.x1=Math.ceil(t.Xsiz/e.XRsiz),e.y0=Math.ceil(t.YOsiz/e.YRsiz),e.y1=Math.ceil(t.Ysiz/e.YRsiz),e.width=e.x1-e.x0,e.height=e.y1-e.y0}function a(e,t){for(var r,n=e.SIZ,i=[],a=Math.ceil((n.Xsiz-n.XTOsiz)/n.XTsiz),o=Math.ceil((n.Ysiz-n.YTOsiz)/n.YTsiz),s=0;o>s;s++)for(var u=0;a>u;u++)r={},r.tx0=Math.max(n.XTOsiz+u*n.XTsiz,n.XOsiz),r.ty0=Math.max(n.YTOsiz+s*n.YTsiz,n.YOsiz),r.tx1=Math.min(n.XTOsiz+(u+1)*n.XTsiz,n.Xsiz),r.ty1=Math.min(n.YTOsiz+(s+1)*n.YTsiz,n.Ysiz),r.width=r.tx1-r.tx0,r.height=r.ty1-r.ty0,r.components=[],i.push(r);e.tiles=i;for(var c=n.Csiz,f=0,l=c;l>f;f++)for(var h=t[f],d=0,p=i.length;p>d;d++){var g={};r=i[d],g.tcx0=Math.ceil(r.tx0/h.XRsiz),g.tcy0=Math.ceil(r.ty0/h.YRsiz),g.tcx1=Math.ceil(r.tx1/h.XRsiz),g.tcy1=Math.ceil(r.ty1/h.YRsiz),g.width=g.tcx1-g.tcx0,g.height=g.tcy1-g.tcy0,r.components[f]=g}}function o(e,t,r){var n=t.codingStyleParameters,i={};return n.entropyCoderWithCustomPrecincts?(i.PPx=n.precinctsSizes[r].PPx,i.PPy=n.precinctsSizes[r].PPy):(i.PPx=15,i.PPy=15),i.xcb_=r>0?Math.min(n.xcb,i.PPx-1):Math.min(n.xcb,i.PPx),i.ycb_=r>0?Math.min(n.ycb,i.PPy-1):Math.min(n.ycb,i.PPy),i}function u(e,t,r){var n=1<<r.PPx,i=1<<r.PPy,a=0===t.resLevel,o=1<<r.PPx+(a?0:-1),s=1<<r.PPy+(a?0:-1),u=t.trx1>t.trx0?Math.ceil(t.trx1/n)-Math.floor(t.trx0/n):0,c=t.try1>t.try0?Math.ceil(t.try1/i)-Math.floor(t.try0/i):0,f=u*c;t.precinctParameters={precinctWidth:n,precinctHeight:i,numprecinctswide:u,numprecinctshigh:c,numprecincts:f,precinctWidthInSubband:o,precinctHeightInSubband:s}}function c(e,t,r){var n,i,a,o,s=r.xcb_,u=r.ycb_,c=1<<s,f=1<<u,l=t.tbx0>>s,h=t.tby0>>u,d=t.tbx1+c-1>>s,p=t.tby1+f-1>>u,g=t.resolution.precinctParameters,m=[],v=[];for(i=h;p>i;i++)for(n=l;d>n;n++){a={cbx:n,cby:i,tbx0:c*n,tby0:f*i,tbx1:c*(n+1),tby1:f*(i+1)},a.tbx0_=Math.max(t.tbx0,a.tbx0),a.tby0_=Math.max(t.tby0,a.tby0),a.tbx1_=Math.min(t.tbx1,a.tbx1),a.tby1_=Math.min(t.tby1,a.tby1);var _=Math.floor((a.tbx0_-t.tbx0)/g.precinctWidthInSubband),b=Math.floor((a.tby0_-t.tby0)/g.precinctHeightInSubband);if(o=_+b*g.numprecinctswide,a.precinctNumber=o,a.subbandType=t.type,a.Lblock=3,!(a.tbx1_<=a.tbx0_||a.tby1_<=a.tby0_)){m.push(a);var y=v[o];void 0!==y?(n<y.cbxMin?y.cbxMin=n:n>y.cbxMax&&(y.cbxMax=n),i<y.cbyMin?y.cbxMin=i:i>y.cbyMax&&(y.cbyMax=i)):v[o]=y={cbxMin:n,cbyMin:i,cbxMax:n,cbyMax:i},a.precinct=y}}t.codeblockParameters={codeblockWidth:s,codeblockHeight:u,numcodeblockwide:d-l+1,numcodeblockhigh:p-h+1},t.codeblocks=m,t.precincts=v}function f(e,t,r){for(var n=[],i=e.subbands,a=0,o=i.length;o>a;a++)for(var s=i[a],u=s.codeblocks,c=0,f=u.length;f>c;c++){var l=u[c];l.precinctNumber===t&&n.push(l)}return{layerNumber:r,codeblocks:n}}function d(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,a=t.Csiz,o=0,s=0;a>s;s++)o=Math.max(o,n.components[s].codingStyleParameters.decompositionLevelsCount);var u=0,c=0,l=0,h=0;this.nextPacket=function(){for(;i>u;u++){for(;o>=c;c++){for(;a>l;l++){var e=n.components[l];if(!(c>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[c],r=t.precinctParameters.numprecincts;r>h;){var s=f(t,h,u);return h++,s}h=0}}l=0}c=0}throw new Error("JPX Error: Out of packets")}}function p(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,a=t.Csiz,o=0,s=0;a>s;s++)o=Math.max(o,n.components[s].codingStyleParameters.decompositionLevelsCount);var u=0,c=0,l=0,h=0;this.nextPacket=function(){for(;o>=u;u++){for(;i>c;c++){for(;a>l;l++){var e=n.components[l];if(!(u>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[u],r=t.precinctParameters.numprecincts;r>h;){var s=f(t,h,c);return h++,s}h=0}}l=0}c=0}throw new Error("JPX Error: Out of packets")}}function g(e){var t,r,n,i,a=e.SIZ,o=e.currentTile.index,s=e.tiles[o],u=s.codingStyleDefaultParameters.layersCount,c=a.Csiz,l=0;for(n=0;c>n;n++){var h=s.components[n];l=Math.max(l,h.codingStyleParameters.decompositionLevelsCount)}var d=new Int32Array(l+1);for(r=0;l>=r;++r){var p=0;for(n=0;c>n;++n){var g=s.components[n].resolutions;r<g.length&&(p=Math.max(p,g[r].precinctParameters.numprecincts))}d[r]=p}t=0,r=0,n=0,i=0,this.nextPacket=function(){for(;l>=r;r++){for(;i<d[r];i++){for(;c>n;n++){var e=s.components[n];if(!(r>e.codingStyleParameters.decompositionLevelsCount)){var a=e.resolutions[r],o=a.precinctParameters.numprecincts;if(!(i>=o)){for(;u>t;){var h=f(a,i,t);return t++,h}t=0}}}n=0}i=0}throw new Error("JPX Error: Out of packets")}}function m(e){var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,a=t.Csiz,o=b(n),s=o,u=0,c=0,l=0,h=0,d=0;this.nextPacket=function(){for(;d<s.maxNumHigh;d++){for(;h<s.maxNumWide;h++){for(;a>l;l++){for(var e=n.components[l],t=e.codingStyleParameters.decompositionLevelsCount;t>=c;c++){var r=e.resolutions[c],p=o.components[l].resolutions[c],g=_(h,d,p,s,r);if(null!==g){for(;i>u;){var m=f(r,g,u);return u++,m}u=0}}c=0}l=0}h=0}throw new Error("JPX Error: Out of packets")}}function v(e){var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,a=t.Csiz,o=b(n),s=0,u=0,c=0,l=0,h=0;this.nextPacket=function(){for(;a>c;++c){for(var e=n.components[c],t=o.components[c],r=e.codingStyleParameters.decompositionLevelsCount;h<t.maxNumHigh;h++){for(;l<t.maxNumWide;l++){for(;r>=u;u++){var d=e.resolutions[u],p=t.resolutions[u],g=_(l,h,p,t,d);if(null!==g){for(;i>s;){var m=f(d,g,s);return s++,m}s=0}}u=0}l=0}h=0}throw new Error("JPX Error: Out of packets")}}function _(e,t,r,n,i){var a=e*n.minWidth,o=t*n.minHeight;if(a%r.width!==0||o%r.height!==0)return null;var s=o/r.width*i.precinctParameters.numprecinctswide;return a/r.height+s}function b(e){for(var t=e.components.length,r=Number.MAX_VALUE,n=Number.MAX_VALUE,i=0,a=0,o=new Array(t),s=0;t>s;s++){for(var u=e.components[s],c=u.codingStyleParameters.decompositionLevelsCount,f=new Array(c+1),l=Number.MAX_VALUE,h=Number.MAX_VALUE,d=0,p=0,g=1,m=c;m>=0;--m){var v=u.resolutions[m],_=g*v.precinctParameters.precinctWidth,b=g*v.precinctParameters.precinctHeight;l=Math.min(l,_),h=Math.min(h,b),d=Math.max(d,v.precinctParameters.numprecinctswide),p=Math.max(p,v.precinctParameters.numprecinctshigh),f[m]={width:_,height:b},g<<=1}r=Math.min(r,l),n=Math.min(n,h),i=Math.max(i,d),a=Math.max(a,p),o[s]={resolutions:f,minWidth:l,minHeight:h,maxNumWide:d,maxNumHigh:p}}return{components:o,minWidth:r,minHeight:n,maxNumWide:i,maxNumHigh:a}}function y(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=t.Csiz,a=0;i>a;a++){for(var s=n.components[a],f=s.codingStyleParameters.decompositionLevelsCount,l=[],h=[],_=0;f>=_;_++){var b=o(e,s,_),y={},w=1<<f-_;y.trx0=Math.ceil(s.tcx0/w),y.try0=Math.ceil(s.tcy0/w),y.trx1=Math.ceil(s.tcx1/w),y.try1=Math.ceil(s.tcy1/w),y.resLevel=_,u(e,y,b),l.push(y);var x;if(0===_)x={},x.type="LL",x.tbx0=Math.ceil(s.tcx0/w),x.tby0=Math.ceil(s.tcy0/w),x.tbx1=Math.ceil(s.tcx1/w),x.tby1=Math.ceil(s.tcy1/w),x.resolution=y,c(e,x,b),h.push(x),y.subbands=[x];else{var k=1<<f-_+1,E=[];x={},x.type="HL",x.tbx0=Math.ceil(s.tcx0/k-.5),x.tby0=Math.ceil(s.tcy0/k),x.tbx1=Math.ceil(s.tcx1/k-.5),x.tby1=Math.ceil(s.tcy1/k),x.resolution=y,c(e,x,b),h.push(x),E.push(x),x={},x.type="LH",x.tbx0=Math.ceil(s.tcx0/k),x.tby0=Math.ceil(s.tcy0/k-.5),x.tbx1=Math.ceil(s.tcx1/k),x.tby1=Math.ceil(s.tcy1/k-.5),x.resolution=y,c(e,x,b),h.push(x),E.push(x),x={},x.type="HH",x.tbx0=Math.ceil(s.tcx0/k-.5),x.tby0=Math.ceil(s.tcy0/k-.5),x.tbx1=Math.ceil(s.tcx1/k-.5),x.tby1=Math.ceil(s.tcy1/k-.5),x.resolution=y,c(e,x,b),h.push(x),E.push(x),y.subbands=E}}s.resolutions=l,s.subbands=h}var S=n.codingStyleDefaultParameters.progressionOrder;switch(S){case 0:n.packetsIterator=new d(e);break;case 1:n.packetsIterator=new p(e);break;case 2:n.packetsIterator=new g(e);break;case 3:n.packetsIterator=new m(e);break;case 4:n.packetsIterator=new v(e);break;default:throw new Error("JPX Error: Unsupported progression order "+S)}}function w(e,r,n,i){function a(e){for(;e>h;){var t=r[n+l];l++,d?(f=f<<7|t,h+=7,d=!1):(f=f<<8|t,h+=8),255===t&&(d=!0)}return h-=e,f>>>h&(1<<e)-1}function o(e){return 255===r[n+l-1]&&r[n+l]===e?(s(1),!0):255===r[n+l]&&r[n+l+1]===e?(s(2),!0):!1}function s(e){l+=e}function u(){h=0,d&&(l++,d=!1)}function c(){if(0===a(1))return 1;if(0===a(1))return 2;var e=a(2);return 3>e?e+3:(e=a(5),31>e?e+6:(e=a(7),e+37))}for(var f,l=0,h=0,d=!1,p=e.currentTile.index,g=e.tiles[p],m=e.COD.sopMarkerUsed,v=e.COD.ephMarkerUsed,_=g.packetsIterator;i>l;){u(),m&&o(145)&&s(4);var b=_.nextPacket();if(a(1)){for(var y,w=b.layerNumber,x=[],k=0,E=b.codeblocks.length;E>k;k++){y=b.codeblocks[k];var S,A=y.precinct,P=y.cbx-A.cbxMin,T=y.cby-A.cbyMin,L=!1,M=!1;if(void 0!==y.included)L=!!a(1);else{A=y.precinct;var C,O;if(void 0!==A.inclusionTree)C=A.inclusionTree;else{var D=A.cbxMax-A.cbxMin+1,U=A.cbyMax-A.cbyMin+1;C=new R(D,U,w),O=new I(D,U),A.inclusionTree=C,A.zeroBitPlanesTree=O}if(C.reset(P,T,w))for(;;){if(!a(1)){C.incrementValue(w);break}if(S=!C.nextLevel()){y.included=!0,L=M=!0;break}}}if(L){if(M){for(O=A.zeroBitPlanesTree,O.reset(P,T);;)if(a(1)){if(S=!O.nextLevel())break}else O.incrementValue();y.zeroBitPlanes=O.value}for(var B=c();a(1);)y.Lblock++;var z=t(B),F=(1<<z>B?z-1:z)+y.Lblock,j=a(F);x.push({codeblock:y,codingpasses:B,dataLength:j})}}for(u(),v&&o(146);x.length>0;){var N=x.shift();y=N.codeblock,void 0===y.data&&(y.data=[]),y.data.push({data:r,start:n+l,end:n+l+N.dataLength,codingpasses:N.codingpasses}),l+=N.dataLength}}}return l}function x(e,t,r,n,i,a,o,u){for(var c=n.tbx0,f=n.tby0,l=n.tbx1-n.tbx0,h=n.codeblocks,d="H"===n.type.charAt(0)?1:0,p="H"===n.type.charAt(1)?t:0,g=0,m=h.length;m>g;++g){var v=h[g],_=v.tbx1_-v.tbx0_,b=v.tby1_-v.tby0_;if(0!==_&&0!==b&&void 0!==v.data){var y,w;y=new P(_,b,v.subbandType,v.zeroBitPlanes,a),w=2;var x,k,E,S=v.data,A=0,I=0;for(x=0,k=S.length;k>x;x++)E=S[x],A+=E.end-E.start,I+=E.codingpasses;var R=new Uint8Array(A),T=0;for(x=0,k=S.length;k>x;x++){E=S[x];var L=E.data.subarray(E.start,E.end);R.set(L,T),T+=L.length}var M=new s(R,0,A);for(y.setDecoder(M),x=0;I>x;x++){switch(w){case 0:y.runSignificancePropogationPass();break;case 1:y.runMagnitudeRefinementPass();break;case 2:y.runCleanupPass(),u&&y.checkSegmentationSymbol()}w=(w+1)%3}var C,O,D,U=v.tbx0_-c+(v.tby0_-f)*l,B=y.coefficentsSign,z=y.coefficentsMagnitude,F=y.bitsDecoded,j=o?0:.5;T=0;var N="LL"!==n.type;for(x=0;b>x;x++){var Z=U/l|0,q=2*Z*(t-l)+d+p;for(C=0;_>C;C++){if(O=z[T],0!==O){O=(O+j)*i,0!==B[T]&&(O=-O),D=F[T];var G=N?q+(U<<1):U;o&&D>=a?e[G]=O:e[G]=O*(1<<a-D)}U++,T++}U+=l-_}}}}function k(e,t,r){for(var n=t.components[r],i=n.codingStyleParameters,a=n.quantizationParameters,o=i.decompositionLevelsCount,s=a.SPqcds,u=a.scalarExpounded,c=a.guardBits,f=i.segmentationSymbolUsed,l=e.components[r].precision,h=i.reversibleTransformation,d=h?new M:new L,p=[],g=0,m=0;o>=m;m++){for(var v=n.resolutions[m],_=v.trx1-v.trx0,b=v.try1-v.try0,y=new Float32Array(_*b),w=0,k=v.subbands.length;k>w;w++){var E,S;u?(E=s[g].mu,S=s[g].epsilon,g++):(E=s[0].mu,S=s[0].epsilon+(m>0?1-m:0));var I=v.subbands[w],R=A[I.type],P=h?1:Math.pow(2,l+R-S)*(1+E/2048),T=c+S-1;x(y,_,b,I,P,T,h,f)}p.push({width:_,height:b,items:y})}var C=d.calculate(p,n.tcx0,n.tcy0);return{left:n.tcx0,top:n.tcy0,width:C.width,height:C.height,items:C.items}}function E(e){for(var t=e.SIZ,r=e.components,n=t.Csiz,i=[],a=0,o=e.tiles.length;o>a;a++){var s,u=e.tiles[a],c=[];for(s=0;n>s;s++)c[s]=k(e,u,s);var f,l,h,d,p,g,m,v,_,b,y,w,x,E,S,A=c[0],I=new Uint8Array(A.items.length*n),R={left:A.left,top:A.top,width:A.width,height:A.height,items:I},P=0;if(u.codingStyleDefaultParameters.multipleComponentTransform){var T=4===n,L=c[0].items,M=c[1].items,C=c[2].items,O=T?c[3].items:null;f=r[0].precision-8,l=(128<<f)+.5,h=255*(1<<f),p=.5*h,d=-p;var D=u.components[0],U=n-3;if(m=L.length,D.codingStyleParameters.reversibleTransformation)for(g=0;m>g;g++,P+=U)v=L[g]+l,_=M[g],b=C[g],w=v-(b+_>>2),y=w+b,x=w+_,I[P++]=0>=y?0:y>=h?255:y>>f,I[P++]=0>=w?0:w>=h?255:w>>f,I[P++]=0>=x?0:x>=h?255:x>>f;else for(g=0;m>g;g++,P+=U)v=L[g]+l,_=M[g],b=C[g],y=v+1.402*b,w=v-.34413*_-.71414*b,x=v+1.772*_,I[P++]=0>=y?0:y>=h?255:y>>f,I[P++]=0>=w?0:w>=h?255:w>>f,I[P++]=0>=x?0:x>=h?255:x>>f;if(T)for(g=0,P=3;m>g;g++,P+=4)E=O[g],I[P]=d>=E?0:E>=p?255:E+l>>f}else for(s=0;n>s;s++){var B=c[s].items;for(f=r[s].precision-8,l=(128<<f)+.5,h=127.5*(1<<f),d=-h,P=s,g=0,m=B.length;m>g;g++)S=B[g],I[P]=d>=S?0:S>=h?255:S+l>>f,P+=n}i.push(R)}return i}function S(e,t){for(var r=e.SIZ,n=r.Csiz,i=e.tiles[t],a=0;n>a;a++){var o=i.components[a],s=void 0!==e.currentTile.QCC[a]?e.currentTile.QCC[a]:e.currentTile.QCD;o.quantizationParameters=s;var u=void 0!==e.currentTile.COC[a]?e.currentTile.COC[a]:e.currentTile.COD;o.codingStyleParameters=u}i.codingStyleDefaultParameters=e.currentTile.COD}var A={LL:0,LH:1,HL:1,HH:2};e.prototype={parse:function(e){var t=n(e,0);if(65359===t)return void this.parseCodestream(e,0,e.length);for(var r=0,a=e.length;a>r;){var o=8,s=i(e,r),u=i(e,r+4);if(r+=o,1===s&&(s=4294967296*i(e,r)+i(e,r+4),r+=8,o+=8),0===s&&(s=a-r+o),o>s)throw new Error("JPX Error: Invalid box field size");var c=s-o,f=!0;switch(u){case 1785737832:f=!1;break;case 1668246642:var d=e[r];e[r+1],e[r+2];if(1===d){var p=i(e,r+3);switch(p){case 16:case 17:case 18:break;default:l("Unknown colorspace "+p)}}else 2===d&&h("ICC profile not supported");break;case 1785737827:this.parseCodestream(e,r,r+c);break;case 1783636e3:218793738!==i(e,r)&&l("Invalid JP2 signature");break;case 1783634458:case 1718909296:case 1920099697:case 1919251232:case 1768449138:break;default:var g=String.fromCharCode(u>>24&255,u>>16&255,u>>8&255,255&u);l("Unsupported header type "+u+" ("+g+")")}f&&(r+=c)}},parseImageProperties:function(e){for(var t=e.getByte();t>=0;){var r=t;t=e.getByte();var n=r<<8|t;if(65361===n){e.skip(4);var i=e.getInt32()>>>0,a=e.getInt32()>>>0,o=e.getInt32()>>>0,s=e.getInt32()>>>0;e.skip(16);var u=e.getUint16();return this.width=i-o,this.height=a-s,this.componentsCount=u,void(this.bitsPerComponent=8)}}throw new Error("JPX Error: No size marker found in JPX stream")},parseCodestream:function(e,t,o){var s={};try{for(var u=!1,c=t;o>c+1;){var f=n(e,c);c+=2;var h,d,p,g,m,v,_=0;switch(f){case 65359:s.mainHeader=!0;break;case 65497:break;case 65361:_=n(e,c);var b={};b.Xsiz=i(e,c+4),b.Ysiz=i(e,c+8),b.XOsiz=i(e,c+12),b.YOsiz=i(e,c+16),b.XTsiz=i(e,c+20),b.YTsiz=i(e,c+24),b.XTOsiz=i(e,c+28),b.YTOsiz=i(e,c+32);var x=n(e,c+36);b.Csiz=x;var k=[];h=c+38;for(var A=0;x>A;A++){var I={precision:(127&e[h])+1,isSigned:!!(128&e[h]),XRsiz:e[h+1],YRsiz:e[h+1]};r(I,b),k.push(I)}s.SIZ=b,s.components=k,a(s,k),s.QCC=[],s.COC=[];break;case 65372:_=n(e,c);var R={};switch(h=c+2,d=e[h++],31&d){case 0:g=8,m=!0;break;case 1:g=16,m=!1;break;case 2:g=16,m=!0;break;default:throw new Error("JPX Error: Invalid SQcd value "+d)}for(R.noQuantization=8===g,R.scalarExpounded=m,R.guardBits=d>>5,p=[];_+c>h;){var P={};8===g?(P.epsilon=e[h++]>>3,P.mu=0):(P.epsilon=e[h]>>3,P.mu=(7&e[h])<<8|e[h+1],h+=2),p.push(P)}R.SPqcds=p,s.mainHeader?s.QCD=R:(s.currentTile.QCD=R,s.currentTile.QCC=[]);break;case 65373:_=n(e,c);var T={};h=c+2;var L;switch(s.SIZ.Csiz<257?L=e[h++]:(L=n(e,h),h+=2),d=e[h++],31&d){case 0:g=8,m=!0;break;case 1:g=16,m=!1;break;case 2:g=16,m=!0;break;default:throw new Error("JPX Error: Invalid SQcd value "+d)}for(T.noQuantization=8===g,T.scalarExpounded=m,T.guardBits=d>>5,p=[];_+c>h;)P={},8===g?(P.epsilon=e[h++]>>3,P.mu=0):(P.epsilon=e[h]>>3,P.mu=(7&e[h])<<8|e[h+1],h+=2),p.push(P);T.SPqcds=p,s.mainHeader?s.QCC[L]=T:s.currentTile.QCC[L]=T;break;case 65362:_=n(e,c);var M={};h=c+2;var C=e[h++];M.entropyCoderWithCustomPrecincts=!!(1&C),M.sopMarkerUsed=!!(2&C),M.ephMarkerUsed=!!(4&C),M.progressionOrder=e[h++],M.layersCount=n(e,h),h+=2,M.multipleComponentTransform=e[h++],M.decompositionLevelsCount=e[h++],M.xcb=(15&e[h++])+2,M.ycb=(15&e[h++])+2;var O=e[h++];if(M.selectiveArithmeticCodingBypass=!!(1&O),M.resetContextProbabilities=!!(2&O),M.terminationOnEachCodingPass=!!(4&O),M.verticalyStripe=!!(8&O),M.predictableTermination=!!(16&O),M.segmentationSymbolUsed=!!(32&O),M.reversibleTransformation=e[h++],M.entropyCoderWithCustomPrecincts){for(var D=[];_+c>h;){var U=e[h++];D.push({PPx:15&U,PPy:U>>4})}M.precinctsSizes=D}var B=[];if(M.selectiveArithmeticCodingBypass&&B.push("selectiveArithmeticCodingBypass"),M.resetContextProbabilities&&B.push("resetContextProbabilities"),M.terminationOnEachCodingPass&&B.push("terminationOnEachCodingPass"),M.verticalyStripe&&B.push("verticalyStripe"),M.predictableTermination&&B.push("predictableTermination"),B.length>0)throw u=!0,new Error("JPX Error: Unsupported COD options ("+B.join(", ")+")");s.mainHeader?s.COD=M:(s.currentTile.COD=M,s.currentTile.COC=[]);break;case 65424:_=n(e,c),v={},v.index=n(e,c+2),v.length=i(e,c+4),v.dataEnd=v.length+c-2,v.partIndex=e[c+8],v.partsCount=e[c+9],s.mainHeader=!1,0===v.partIndex&&(v.COD=s.COD,v.COC=s.COC.slice(0),v.QCD=s.QCD,v.QCC=s.QCC.slice(0)),s.currentTile=v;break;case 65427:v=s.currentTile,0===v.partIndex&&(S(s,v.index),y(s)),_=v.dataEnd-c,w(s,e,c,_);break;case 65365:case 65367:case 65368:case 65380:_=n(e,c);break;case 65363:throw new Error("JPX Error: Codestream code 0xFF53 (COC) is not implemented");default:throw new Error("JPX Error: Unknown codestream code: "+f.toString(16))}c+=_}}catch(z){if(u||this.failOnCorruptedImage)throw z;l("Trying to recover from "+z.message)}this.tiles=E(s),this.width=s.SIZ.Xsiz-s.SIZ.XOsiz,this.height=s.SIZ.Ysiz-s.SIZ.YOsiz,this.componentsCount=s.SIZ.Csiz}};var I=function(){function e(e,r){var n=t(Math.max(e,r))+1;this.levels=[];for(var i=0;n>i;i++){var a={width:e,height:r,items:[]};this.levels.push(a),e=Math.ceil(e/2),r=Math.ceil(r/2)}}return e.prototype={reset:function(e,t){for(var r,n=0,i=0;n<this.levels.length;){r=this.levels[n];var a=e+t*r.width;if(void 0!==r.items[a]){i=r.items[a];break}r.index=a,e>>=1,t>>=1,n++}n--,r=this.levels[n],r.items[r.index]=i,this.currentLevel=n,delete this.value},incrementValue:function(){var e=this.levels[this.currentLevel];e.items[e.index]++},nextLevel:function(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];return e--,0>e?(this.value=r,!1):(this.currentLevel=e,t=this.levels[e],t.items[t.index]=r,!0)}},e}(),R=function(){function e(e,r,n){var i=t(Math.max(e,r))+1;this.levels=[];for(var a=0;i>a;a++){for(var o=new Uint8Array(e*r),s=0,u=o.length;u>s;s++)o[s]=n;var c={width:e,height:r,items:o};this.levels.push(c),e=Math.ceil(e/2),r=Math.ceil(r/2)}}return e.prototype={reset:function(e,t,r){for(var n=0;n<this.levels.length;){var i=this.levels[n],a=e+t*i.width;i.index=a;var o=i.items[a];if(255===o)break;if(o>r)return this.currentLevel=n,this.propagateValues(),!1;e>>=1,t>>=1,n++}return this.currentLevel=n-1,!0},incrementValue:function(e){var t=this.levels[this.currentLevel];t.items[t.index]=e+1,this.propagateValues()},propagateValues:function(){for(var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];--e>=0;)t=this.levels[e],t.items[t.index]=r},nextLevel:function(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];return t.items[t.index]=255,e--,0>e?!1:(this.currentLevel=e,t=this.levels[e],t.items[t.index]=r,!0)}},e}(),P=function(){function e(e,t,r,o,s){this.width=e,this.height=t,this.contextLabelTable="HH"===r?a:"HL"===r?i:n;var u=e*t;this.neighborsSignificance=new Uint8Array(u),this.coefficentsSign=new Uint8Array(u),this.coefficentsMagnitude=s>14?new Uint32Array(u):s>6?new Uint16Array(u):new Uint8Array(u),this.processingFlags=new Uint8Array(u);var c=new Uint8Array(u);if(0!==o)for(var f=0;u>f;f++)c[f]=o;this.bitsDecoded=c,this.reset()}var t=17,r=18,n=new Uint8Array([0,5,8,0,3,7,8,0,4,7,8,0,0,0,0,0,1,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8]),i=new Uint8Array([0,3,4,0,5,7,7,0,8,8,8,0,0,0,0,0,1,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8]),a=new Uint8Array([0,1,2,0,1,2,2,0,2,2,2,0,0,0,0,0,3,4,5,0,4,5,5,0,5,5,5,0,0,0,0,0,6,7,7,0,7,7,7,0,7,7,7,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8]);
-return e.prototype={setDecoder:function(e){this.decoder=e},reset:function(){this.contexts=new Int8Array(19),this.contexts[0]=8,this.contexts[t]=92,this.contexts[r]=6},setNeighborsSignificance:function(e,t,r){var n,i=this.neighborsSignificance,a=this.width,o=this.height,s=t>0,u=a>t+1;e>0&&(n=r-a,s&&(i[n-1]+=16),u&&(i[n+1]+=16),i[n]+=4),o>e+1&&(n=r+a,s&&(i[n-1]+=16),u&&(i[n+1]+=16),i[n]+=4),s&&(i[r-1]+=1),u&&(i[r+1]+=1),i[r]|=128},runSignificancePropogationPass:function(){for(var e=this.decoder,t=this.width,r=this.height,n=this.coefficentsMagnitude,i=this.coefficentsSign,a=this.neighborsSignificance,o=this.processingFlags,s=this.contexts,u=this.contextLabelTable,c=this.bitsDecoded,f=-2,l=1,h=2,d=0;r>d;d+=4)for(var p=0;t>p;p++)for(var g=d*t+p,m=0;4>m;m++,g+=t){var v=d+m;if(v>=r)break;if(o[g]&=f,!n[g]&&a[g]){var _=u[a[g]],b=e.readBit(s,_);if(b){var y=this.decodeSignBit(v,p,g);i[g]=y,n[g]=1,this.setNeighborsSignificance(v,p,g),o[g]|=h}c[g]++,o[g]|=l}}},decodeSignBit:function(e,t,r){var n,i,a,o,s,u,c=this.width,f=this.height,l=this.coefficentsMagnitude,h=this.coefficentsSign;o=t>0&&0!==l[r-1],c>t+1&&0!==l[r+1]?(a=h[r+1],o?(i=h[r-1],n=1-a-i):n=1-a-a):o?(i=h[r-1],n=1-i-i):n=0;var d=3*n;return o=e>0&&0!==l[r-c],f>e+1&&0!==l[r+c]?(a=h[r+c],o?(i=h[r-c],n=1-a-i+d):n=1-a-a+d):o?(i=h[r-c],n=1-i-i+d):n=d,n>=0?(s=9+n,u=this.decoder.readBit(this.contexts,s)):(s=9-n,u=1^this.decoder.readBit(this.contexts,s)),u},runMagnitudeRefinementPass:function(){for(var e,t=this.decoder,r=this.width,n=this.height,i=this.coefficentsMagnitude,a=this.neighborsSignificance,o=this.contexts,s=this.bitsDecoded,u=this.processingFlags,c=1,f=2,l=r*n,h=4*r,d=0;l>d;d=e){e=Math.min(l,d+h);for(var p=0;r>p;p++)for(var g=d+p;e>g;g+=r)if(i[g]&&0===(u[g]&c)){var m=16;if(0!==(u[g]&f)){u[g]^=f;var v=127&a[g];m=0===v?15:14}var _=t.readBit(o,m);i[g]=i[g]<<1|_,s[g]++,u[g]|=c}}},runCleanupPass:function(){for(var e,n=this.decoder,i=this.width,a=this.height,o=this.neighborsSignificance,s=this.coefficentsMagnitude,u=this.coefficentsSign,c=this.contexts,f=this.contextLabelTable,l=this.bitsDecoded,h=this.processingFlags,d=1,p=2,g=i,m=2*i,v=3*i,_=0;a>_;_=e){e=Math.min(_+4,a);for(var b=_*i,y=a>_+3,w=0;i>w;w++){var x,k=b+w,E=y&&0===h[k]&&0===h[k+g]&&0===h[k+m]&&0===h[k+v]&&0===o[k]&&0===o[k+g]&&0===o[k+m]&&0===o[k+v],S=0,A=k,I=_;if(E){var R=n.readBit(c,r);if(!R){l[k]++,l[k+g]++,l[k+m]++,l[k+v]++;continue}S=n.readBit(c,t)<<1|n.readBit(c,t),0!==S&&(I=_+S,A+=S*i),x=this.decodeSignBit(I,w,A),u[A]=x,s[A]=1,this.setNeighborsSignificance(I,w,A),h[A]|=p,A=k;for(var P=_;I>=P;P++,A+=i)l[A]++;S++}for(I=_+S;e>I;I++,A+=i)if(!s[A]&&0===(h[A]&d)){var T=f[o[A]],L=n.readBit(c,T);1===L&&(x=this.decodeSignBit(I,w,A),u[A]=x,s[A]=1,this.setNeighborsSignificance(I,w,A),h[A]|=p),l[A]++}}}},checkSegmentationSymbol:function(){var e=this.decoder,r=this.contexts,n=e.readBit(r,t)<<3|e.readBit(r,t)<<2|e.readBit(r,t)<<1|e.readBit(r,t);if(10!==n)throw new Error("JPX Error: Invalid segmentation symbol")}},e}(),T=function(){function e(){}return e.prototype.calculate=function(e,t,r){for(var n=e[0],i=1,a=e.length;a>i;i++)n=this.iterate(n,e[i],t,r);return n},e.prototype.extend=function(e,t,r){var n=t-1,i=t+1,a=t+r-2,o=t+r;e[n--]=e[i++],e[o++]=e[a--],e[n--]=e[i++],e[o++]=e[a--],e[n--]=e[i++],e[o++]=e[a--],e[n]=e[i],e[o]=e[a]},e.prototype.iterate=function(e,t,r,n){var i,a,o,s,u,c,f=e.width,l=e.height,h=e.items,d=t.width,p=t.height,g=t.items;for(o=0,i=0;l>i;i++)for(s=2*i*d,a=0;f>a;a++,o++,s+=2)g[s]=h[o];h=e.items=null;var m=4,v=new Float32Array(d+2*m);if(1===d){if(0!==(1&r))for(c=0,o=0;p>c;c++,o+=d)g[o]*=.5}else for(c=0,o=0;p>c;c++,o+=d)v.set(g.subarray(o,o+d),m),this.extend(v,m,d),this.filter(v,m,d),g.set(v.subarray(m,m+d),o);var _=16,b=[];for(i=0;_>i;i++)b.push(new Float32Array(p+2*m));var y,w=0;if(e=m+p,1===p){if(0!==(1&n))for(u=0;d>u;u++)g[u]*=.5}else for(u=0;d>u;u++){if(0===w){for(_=Math.min(d-u,_),o=u,s=m;e>s;o+=d,s++)for(y=0;_>y;y++)b[y][s]=g[o+y];w=_}w--;var x=b[w];if(this.extend(x,m,p),this.filter(x,m,p),0===w)for(o=u-_+1,s=m;e>s;o+=d,s++)for(y=0;_>y;y++)g[o+y]=b[y][s]}return{width:d,height:p,items:g}},e}(),L=function(){function e(){T.call(this)}return e.prototype=Object.create(T.prototype),e.prototype.filter=function(e,t,r){var n=r>>1;t=0|t;var i,a,o,s,u=-1.586134342059924,c=-.052980118572961,f=.882911075530934,l=.443506852043971,h=1.230174104914001,d=1/h;for(i=t-3,a=n+4;a--;i+=2)e[i]*=d;for(i=t-2,o=l*e[i-1],a=n+3;a--&&(s=l*e[i+1],e[i]=h*e[i]-o-s,a--);i+=2)i+=2,o=l*e[i+1],e[i]=h*e[i]-o-s;for(i=t-1,o=f*e[i-1],a=n+2;a--&&(s=f*e[i+1],e[i]-=o+s,a--);i+=2)i+=2,o=f*e[i+1],e[i]-=o+s;for(i=t,o=c*e[i-1],a=n+1;a--&&(s=c*e[i+1],e[i]-=o+s,a--);i+=2)i+=2,o=c*e[i+1],e[i]-=o+s;if(0!==n)for(i=t+1,o=u*e[i-1],a=n;a--&&(s=u*e[i+1],e[i]-=o+s,a--);i+=2)i+=2,o=u*e[i+1],e[i]-=o+s},e}(),M=function(){function e(){T.call(this)}return e.prototype=Object.create(T.prototype),e.prototype.filter=function(e,t,r){var n=r>>1;t=0|t;var i,a;for(i=t,a=n+1;a--;i+=2)e[i]-=e[i-1]+e[i+1]+2>>2;for(i=t+1,a=n;a--;i+=2)e[i]+=e[i-1]+e[i+1]>>1},e}();return e}(),c=function(){function e(){}function o(e,t,r){this.data=e,this.start=t,this.end=r}function u(e,t,r){function n(e){for(var t=0,n=0;e>n;n++){var o=r.readBit(i,a);a=256>a?a<<1|o:511&(a<<1|o)|256,t=t<<1|o}return t>>>0}var i=e.getContexts(t),a=1,o=n(1),s=n(1)?n(1)?n(1)?n(1)?n(1)?n(32)+4436:n(12)+340:n(8)+84:n(6)+20:n(4)+4:n(2);return 0===o?s:s>0?-s:null}function c(e,t,r){for(var n=e.getContexts("IAID"),i=1,a=0;r>a;a++){var o=t.readBit(n,i);i=i<<1|o}return 31>r?i&(1<<r)-1:2147483647&i}function l(e,t,r){var n,i,a,o,s,u,c,f=r.decoder,l=r.contextCache.getContexts("GB"),h=[],d=31735;for(i=0;t>i;i++)for(s=h[i]=new Uint8Array(e),u=1>i?s:h[i-1],c=2>i?s:h[i-2],n=c[0]<<13|c[1]<<12|c[2]<<11|u[0]<<7|u[1]<<6|u[2]<<5|u[3]<<4,a=0;e>a;a++)s[a]=o=f.readBit(l,n),n=(n&d)<<1|(e>a+3?c[a+3]<<11:0)|(e>a+4?u[a+4]<<4:0)|o;return h}function h(e,t,r,n,i,a,o,s){if(e&&f("JBIG2 error: MMR encoding is not supported"),0===n&&!a&&!i&&4===o.length&&3===o[0].x&&-1===o[0].y&&-3===o[1].x&&-1===o[1].y&&2===o[2].x&&-2===o[2].y&&-2===o[3].x&&-2===o[3].y)return l(t,r,s);var u=!!a,c=S[n].concat(o);c.sort(function(e,t){return e.y-t.y||e.x-t.x});var h,d,p=c.length,g=new Int8Array(p),m=new Int8Array(p),v=[],_=0,b=0,y=0,w=0;for(d=0;p>d;d++)g[d]=c[d].x,m[d]=c[d].y,b=Math.min(b,c[d].x),y=Math.max(y,c[d].x),w=Math.min(w,c[d].y),p-1>d&&c[d].y===c[d+1].y&&c[d].x===c[d+1].x-1?_|=1<<p-1-d:v.push(d);var x=v.length,k=new Int8Array(x),E=new Int8Array(x),A=new Uint16Array(x);for(h=0;x>h;h++)d=v[h],k[h]=c[d].x,E[h]=c[d].y,A[h]=1<<p-1-d;for(var R,P,T,L,M,C=-b,O=-w,D=t-y,U=I[n],B=new Uint8Array(t),z=[],F=s.decoder,j=s.contextCache.getContexts("GB"),N=0,Z=0,q=0;r>q;q++){if(i){var G=F.readBit(j,U);if(N^=G){z.push(B);continue}}for(B=new Uint8Array(B),z.push(B),R=0;t>R;R++)if(u&&a[q][R])B[R]=0;else{if(R>=C&&D>R&&q>=O)for(Z=Z<<1&_,d=0;x>d;d++)P=q+E[d],T=R+k[d],L=z[P][T],L&&(L=A[d],Z|=L);else for(Z=0,M=p-1,d=0;p>d;d++,M--)T=R+g[d],T>=0&&t>T&&(P=q+m[d],P>=0&&(L=z[P][T],L&&(Z|=L<<M)));var H=F.readBit(j,Z);B[R]=H}}return z}function d(e,t,r,n,i,a,o,s,u){var c=A[r].coding;0===r&&(c=c.concat([s[0]]));var l,h=c.length,d=new Int32Array(h),p=new Int32Array(h);for(l=0;h>l;l++)d[l]=c[l].x,p[l]=c[l].y;var g=A[r].reference;0===r&&(g=g.concat([s[1]]));var m=g.length,v=new Int32Array(m),_=new Int32Array(m);for(l=0;m>l;l++)v[l]=g[l].x,_[l]=g[l].y;for(var b=n[0].length,y=n.length,w=R[r],x=[],k=u.decoder,E=u.contextCache.getContexts("GR"),S=0,I=0;t>I;I++){if(o){var P=k.readBit(E,w);S^=P,S&&f("JBIG2 error: prediction is not supported")}var T=new Uint8Array(e);x.push(T);for(var L=0;e>L;L++){var M,C,O=0;for(l=0;h>l;l++)M=I+p[l],C=L+d[l],0>M||0>C||C>=e?O<<=1:O=O<<1|x[M][C];for(l=0;m>l;l++)M=I+_[l]+a,C=L+v[l]+i,0>M||M>=y||0>C||C>=b?O<<=1:O=O<<1|n[M][C];var D=k.readBit(E,O);T[L]=D}}return x}function p(e,r,n,i,a,o,s,l,p,m,v){e&&f("JBIG2 error: huffman is not supported");for(var _=[],b=0,y=t(n.length+i),w=v.decoder,x=v.contextCache;_.length<i;){var k=u(x,"IADH",w);b+=k;for(var E=0,S=0;;){var A=u(x,"IADW",w);if(null===A)break;E+=A,S+=E;var I;if(r){var R=u(x,"IAAI",w);if(R>1)I=g(e,r,E,b,0,R,1,n.concat(_),y,0,0,1,0,o,p,m,v);else{var P=c(x,w,y),T=u(x,"IARDX",w),L=u(x,"IARDY",w),M=P<n.length?n[P]:_[P-n.length];I=d(E,b,p,M,T,L,!1,m,v)}}else I=h(!1,E,b,s,!1,null,l,v);_.push(I)}}for(var C=[],O=[],D=!1,U=n.length+i;O.length<U;){for(var B=u(x,"IAEX",w);B--;)O.push(D);D=!D}for(var z=0,F=n.length;F>z;z++)O[z]&&C.push(n[z]);for(var j=0;i>j;z++,j++)O[z]&&C.push(_[j]);return C}function g(e,t,r,n,i,a,o,s,l,h,p,g,m,v,_,b,y){e&&f("JBIG2 error: huffman is not supported");var w,x,k=[];for(w=0;n>w;w++){if(x=new Uint8Array(r),i)for(var E=0;r>E;E++)x[E]=i;k.push(x)}var S=y.decoder,A=y.contextCache,I=-u(A,"IADT",S),R=0;for(w=0;a>w;){var P=u(A,"IADT",S);I+=P;var T=u(A,"IAFS",S);R+=T;for(var L=R;;){var M=1===o?0:u(A,"IAIT",S),C=o*I+M,O=c(A,S,l),D=t&&u(A,"IARI",S),U=s[O],B=U[0].length,z=U.length;if(D){var F=u(A,"IARDW",S),j=u(A,"IARDH",S),N=u(A,"IARDX",S),Z=u(A,"IARDY",S);B+=F,z+=j,U=d(B,z,_,U,(F>>1)+N,(j>>1)+Z,!1,b,y)}var q,G,H,Y=C-(1&g?0:z),W=L-(2&g?B:0);if(h){for(q=0;z>q;q++)if(x=k[W+q]){H=U[q];var V=Math.min(r-Y,B);switch(m){case 0:for(G=0;V>G;G++)x[Y+G]|=H[G];break;case 2:for(G=0;V>G;G++)x[Y+G]^=H[G];break;default:f("JBIG2 error: operator "+m+" is not supported")}}L+=z-1}else{for(G=0;z>G;G++)if(x=k[Y+G])switch(H=U[G],m){case 0:for(q=0;B>q;q++)x[W+q]|=H[q];break;case 2:for(q=0;B>q;q++)x[W+q]^=H[q];break;default:f("JBIG2 error: operator "+m+" is not supported")}L+=B-1}w++;var X=u(A,"IADS",S);if(null===X)break;L+=X+p}}return k}function m(e,t){var r={};r.number=i(e,t);var a=e[t+4],o=63&a;E[o]||f("JBIG2 error: invalid segment type: "+o),r.type=o,r.typeName=E[o],r.deferredNonRetain=!!(128&a);var s=!!(64&a),u=e[t+5],c=u>>5&7,l=[31&u],h=t+6;if(7===u){c=536870911&i(e,h-1),h+=3;var d=c+7>>3;for(l[0]=e[h++];--d>0;)l.push(e[h++])}else 5!==u&&6!==u||f("JBIG2 error: invalid referred-to flags");r.retainBits=l;var p,g,m=r.number<=256?1:r.number<=65536?2:4,v=[];for(p=0;c>p;p++){var 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h=J+(s.w_bits-8<<4)<<8,d=-1;d=s.strategy>=H||s.level<2?0:s.level<6?1:6===s.level?2:3,h|=d<<6,0!==s.strstart&&(h|=fe),h+=31-h%31,s.status=me,c(s,h),0!==s.strstart&&(c(s,e.adler>>>16),c(s,65535&e.adler)),e.adler=1}if(s.status===he)if(s.gzhead.extra){for(f=s.pending;s.gzindex<(65535&s.gzhead.extra.length)&&(s.pending!==s.pending_buf_size||(s.gzhead.hcrc&&s.pending>f&&(e.adler=L(e.adler,s.pending_buf,s.pending-f,f)),o(e),f=s.pending,s.pending!==s.pending_buf_size));)u(s,255&s.gzhead.extra[s.gzindex]),s.gzindex++;s.gzhead.hcrc&&s.pending>f&&(e.adler=L(e.adler,s.pending_buf,s.pending-f,f)),s.gzindex===s.gzhead.extra.length&&(s.gzindex=0,s.status=de)}else s.status=de;if(s.status===de)if(s.gzhead.name){f=s.pending;do{if(s.pending===s.pending_buf_size&&(s.gzhead.hcrc&&s.pending>f&&(e.adler=L(e.adler,s.pending_buf,s.pending-f,f)),o(e),f=s.pending,s.pending===s.pending_buf_size)){l=1;break}l=s.gzindex<s.gzhead.name.length?255&s.gzhead.name.charCodeAt(s.gzindex++):0,u(s,l)}while(0!==l);s.gzhead.hcrc&&s.pending>f&&(e.adler=L(e.adler,s.pending_buf,s.pending-f,f)),0===l&&(s.gzindex=0,s.status=pe)}else s.status=pe;if(s.status===pe)if(s.gzhead.comment){f=s.pending;do{if(s.pending===s.pending_buf_size&&(s.gzhead.hcrc&&s.pending>f&&(e.adler=L(e.adler,s.pending_buf,s.pending-f,f)),o(e),f=s.pending,s.pending===s.pending_buf_size)){l=1;break}l=s.gzindex<s.gzhead.comment.length?255&s.gzhead.comment.charCodeAt(s.gzindex++):0,u(s,l)}while(0!==l);s.gzhead.hcrc&&s.pending>f&&(e.adler=L(e.adler,s.pending_buf,s.pending-f,f)),0===l&&(s.status=ge)}else s.status=ge;if(s.status===ge&&(s.gzhead.hcrc?(s.pending+2>s.pending_buf_size&&o(e),s.pending+2<=s.pending_buf_size&&(u(s,255&e.adler),u(s,e.adler>>8&255),e.adler=0,s.status=me)):s.status=me),0!==s.pending){if(o(e),0===e.avail_out)return s.last_flush=-1,z}else if(0===e.avail_in&&i(t)<=i(r)&&t!==U)return n(e,Z);if(s.status===ve&&0!==e.avail_in)return n(e,Z);if(0!==e.avail_in||0!==s.lookahead||t!==C&&s.status!==ve){var p=s.strategy===H?v(s,t):s.strategy===Y?m(s,t):I[s.level].func(s,t);if(p!==ye&&p!==we||(s.status=ve),p===_e||p===ye)return 0===e.avail_out&&(s.last_flush=-1),z;if(p===be&&(t===O?P._tr_align(s):t!==B&&(P._tr_stored_block(s,0,0,!1),t===D&&(a(s.head),0===s.lookahead&&(s.strstart=0,s.block_start=0,s.insert=0))),o(e),0===e.avail_out))return s.last_flush=-1,z}return t!==U?z:s.wrap<=0?F:(2===s.wrap?(u(s,255&e.adler),u(s,e.adler>>8&255),u(s,e.adler>>16&255),u(s,e.adler>>24&255),u(s,255&e.total_in),u(s,e.total_in>>8&255),u(s,e.total_in>>16&255),u(s,e.total_in>>24&255)):(c(s,e.adler>>>16),c(s,65535&e.adler)),o(e),s.wrap>0&&(s.wrap=-s.wrap),0!==s.pending?z:F)}function A(e){var t;return e&&e.state?(t=e.state.status,t!==le&&t!==he&&t!==de&&t!==pe&&t!==ge&&t!==me&&t!==ve?n(e,j):(e.state=null,t===me?n(e,N):z)):j}var I,R=e("../utils/common"),P=e("./trees"),T=e("./adler32"),L=e("./crc32"),M=e("./messages"),C=0,O=1,D=3,U=4,B=5,z=0,F=1,j=-2,N=-3,Z=-5,q=-1,G=1,H=2,Y=3,W=4,V=0,X=2,J=8,K=9,$=15,Q=8,ee=29,te=256,re=te+1+ee,ne=30,ie=19,ae=2*re+1,oe=15,se=3,ue=258,ce=ue+se+1,fe=32,le=42,he=69,de=73,pe=91,ge=103,me=113,ve=666,_e=1,be=2,ye=3,we=4,xe=3,ke=function(e,t,r,n,i){this.good_length=e,this.max_lazy=t,this.nice_length=r,this.max_chain=n,this.func=i};I=[new ke(0,0,0,0,d),new ke(4,4,8,4,p),new ke(4,5,16,8,p),new ke(4,6,32,32,p),new ke(4,4,16,16,g),new ke(8,16,32,32,g),new ke(8,16,128,128,g),new ke(8,32,128,256,g),new ke(32,128,258,1024,g),new ke(32,258,258,4096,g)],r.deflateInit=E,r.deflateInit2=k,r.deflateReset=w,r.deflateResetKeep=y,r.deflateSetHeader=x,r.deflate=S,r.deflateEnd=A,r.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":38,"./adler32":39,"./crc32":41,"./messages":46,"./trees":47}],43:[function(e,t,r){"use strict";var n=30,i=12;t.exports=function(e,t){var r,a,o,s,u,c,f,l,h,d,p,g,m,v,_,b,y,w,x,k,E,S,A,I,R;r=e.state,a=e.next_in,I=e.input,o=a+(e.avail_in-5),s=e.next_out,R=e.output,u=s-(t-e.avail_out),c=s+(e.avail_out-257),f=r.dmax,l=r.wsize,h=r.whave,d=r.wnext,p=r.window,g=r.hold,m=r.bits,v=r.lencode,_=r.distcode,b=(1<<r.lenbits)-1,y=(1<<r.distbits)-1;e:do{15>m&&(g+=I[a++]<<m,m+=8,g+=I[a++]<<m,m+=8),w=v[g&b];t:for(;;){if(x=w>>>24,g>>>=x,m-=x,x=w>>>16&255,0===x)R[s++]=65535&w;else{if(!(16&x)){if(0===(64&x)){w=v[(65535&w)+(g&(1<<x)-1)];continue t}if(32&x){r.mode=i;break e}e.msg="invalid literal/length code",r.mode=n;break e}k=65535&w,x&=15,x&&(x>m&&(g+=I[a++]<<m,m+=8),k+=g&(1<<x)-1,g>>>=x,m-=x),15>m&&(g+=I[a++]<<m,m+=8,g+=I[a++]<<m,m+=8),w=_[g&y];r:for(;;){if(x=w>>>24,g>>>=x,m-=x,x=w>>>16&255,!(16&x)){if(0===(64&x)){w=_[(65535&w)+(g&(1<<x)-1)];continue r}e.msg="invalid distance code",r.mode=n;break e}if(E=65535&w,x&=15,x>m&&(g+=I[a++]<<m,m+=8,x>m&&(g+=I[a++]<<m,m+=8)),E+=g&(1<<x)-1,E>f){e.msg="invalid distance too far back",r.mode=n;break e}if(g>>>=x,m-=x,x=s-u,E>x){if(x=E-x,x>h&&r.sane){e.msg="invalid distance too far back",r.mode=n;break e}if(S=0,A=p,0===d){if(S+=l-x,k>x){k-=x;do R[s++]=p[S++];while(--x);S=s-E,A=R}}else if(x>d){if(S+=l+d-x,x-=d,k>x){k-=x;do R[s++]=p[S++];while(--x);if(S=0,k>d){x=d,k-=x;do R[s++]=p[S++];while(--x);S=s-E,A=R}}}else if(S+=d-x,k>x){k-=x;do R[s++]=p[S++];while(--x);S=s-E,A=R}for(;k>2;)R[s++]=A[S++],R[s++]=A[S++],R[s++]=A[S++],k-=3;k&&(R[s++]=A[S++],k>1&&(R[s++]=A[S++]))}else{S=s-E;do R[s++]=R[S++],R[s++]=R[S++],R[s++]=R[S++],k-=3;while(k>2);k&&(R[s++]=R[S++],k>1&&(R[s++]=R[S++]))}break}}break}}while(o>a&&c>s);k=m>>3,a-=k,m-=k<<3,g&=(1<<m)-1,e.next_in=a,e.next_out=s,e.avail_in=o>a?5+(o-a):5-(a-o),e.avail_out=c>s?257+(c-s):257-(s-c),r.hold=g,r.bits=m}},{}],44:[function(e,t,r){"use strict";function n(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function i(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new v.Buf16(320),this.work=new v.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function a(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=U,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new v.Buf32(pe),t.distcode=t.distdyn=new v.Buf32(ge),t.sane=1,t.back=-1,R):L}function o(e){var t;return e&&e.state?(t=e.state,t.wsize=0,t.whave=0,t.wnext=0,a(e)):L}function s(e,t){var r,n;return e&&e.state?(n=e.state,0>t?(r=0,t=-t):(r=(t>>4)+1,48>t&&(t&=15)),t&&(8>t||t>15)?L:(null!==n.window&&n.wbits!==t&&(n.window=null),n.wrap=r,n.wbits=t,o(e))):L}function u(e,t){var r,n;return e?(n=new i,e.state=n,n.window=null,r=s(e,t),r!==R&&(e.state=null),r):L}function c(e){return u(e,ve)}function f(e){if(_e){var t;for(g=new v.Buf32(512),m=new v.Buf32(32),t=0;144>t;)e.lens[t++]=8;for(;256>t;)e.lens[t++]=9;for(;280>t;)e.lens[t++]=7;for(;288>t;)e.lens[t++]=8;for(w(k,e.lens,0,288,g,0,e.work,{bits:9}),t=0;32>t;)e.lens[t++]=5;w(E,e.lens,0,32,m,0,e.work,{bits:5}),_e=!1}e.lencode=g,e.lenbits=9,e.distcode=m,e.distbits=5}function l(e,t,r,n){var i,a=e.state;return null===a.window&&(a.wsize=1<<a.wbits,a.wnext=0,a.whave=0,a.window=new v.Buf8(a.wsize)),n>=a.wsize?(v.arraySet(a.window,t,r-a.wsize,a.wsize,0),a.wnext=0,a.whave=a.wsize):(i=a.wsize-a.wnext,i>n&&(i=n),v.arraySet(a.window,t,r-n,i,a.wnext),n-=i,n?(v.arraySet(a.window,t,r-n,n,0),a.wnext=n,a.whave=a.wsize):(a.wnext+=i,a.wnext===a.wsize&&(a.wnext=0),a.whave<a.wsize&&(a.whave+=i))),0}function h(e,t){var r,i,a,o,s,u,c,h,d,p,g,m,pe,ge,me,ve,_e,be,ye,we,xe,ke,Ee,Se,Ae=0,Ie=new v.Buf8(4),Re=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!e||!e.state||!e.output||!e.input&&0!==e.avail_in)return L;r=e.state,r.mode===W&&(r.mode=V),s=e.next_out,a=e.output,c=e.avail_out,o=e.next_in,i=e.input,u=e.avail_in,h=r.hold,d=r.bits,p=u,g=c,ke=R;e:for(;;)switch(r.mode){case U:if(0===r.wrap){r.mode=V;break}for(;16>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(2&r.wrap&&35615===h){r.check=0,Ie[0]=255&h,Ie[1]=h>>>8&255,r.check=b(r.check,Ie,2,0),h=0,d=0,r.mode=B;break}if(r.flags=0,r.head&&(r.head.done=!1),!(1&r.wrap)||(((255&h)<<8)+(h>>8))%31){e.msg="incorrect header check",r.mode=le;break}if((15&h)!==D){e.msg="unknown compression method",r.mode=le;break}if(h>>>=4,d-=4,xe=(15&h)+8,0===r.wbits)r.wbits=xe;else if(xe>r.wbits){e.msg="invalid window size",r.mode=le;break}r.dmax=1<<xe,e.adler=r.check=1,r.mode=512&h?H:W,h=0,d=0;break;case B:for(;16>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(r.flags=h,(255&r.flags)!==D){e.msg="unknown compression method",r.mode=le;break}if(57344&r.flags){e.msg="unknown header flags set",r.mode=le;break}r.head&&(r.head.text=h>>8&1),512&r.flags&&(Ie[0]=255&h,Ie[1]=h>>>8&255,r.check=b(r.check,Ie,2,0)),h=0,d=0,r.mode=z;case z:for(;32>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.head&&(r.head.time=h),512&r.flags&&(Ie[0]=255&h,Ie[1]=h>>>8&255,Ie[2]=h>>>16&255,Ie[3]=h>>>24&255,r.check=b(r.check,Ie,4,0)),h=0,d=0,r.mode=F;case F:for(;16>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.head&&(r.head.xflags=255&h,r.head.os=h>>8),512&r.flags&&(Ie[0]=255&h,Ie[1]=h>>>8&255,r.check=b(r.check,Ie,2,0)),h=0,d=0,r.mode=j;case j:if(1024&r.flags){for(;16>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.length=h,r.head&&(r.head.extra_len=h),512&r.flags&&(Ie[0]=255&h,Ie[1]=h>>>8&255,r.check=b(r.check,Ie,2,0)),h=0,d=0}else r.head&&(r.head.extra=null);r.mode=N;case N:if(1024&r.flags&&(m=r.length,m>u&&(m=u),m&&(r.head&&(xe=r.head.extra_len-r.length,r.head.extra||(r.head.extra=new Array(r.head.extra_len)),v.arraySet(r.head.extra,i,o,m,xe)),512&r.flags&&(r.check=b(r.check,i,m,o)),u-=m,o+=m,r.length-=m),r.length))break e;r.length=0,r.mode=Z;case Z:if(2048&r.flags){if(0===u)break e;m=0;do xe=i[o+m++],r.head&&xe&&r.length<65536&&(r.head.name+=String.fromCharCode(xe));while(xe&&u>m);if(512&r.flags&&(r.check=b(r.check,i,m,o)),u-=m,o+=m,xe)break e}else r.head&&(r.head.name=null);r.length=0,r.mode=q;case q:if(4096&r.flags){if(0===u)break e;m=0;do xe=i[o+m++],r.head&&xe&&r.length<65536&&(r.head.comment+=String.fromCharCode(xe));while(xe&&u>m);if(512&r.flags&&(r.check=b(r.check,i,m,o)),u-=m,o+=m,xe)break e}else r.head&&(r.head.comment=null);r.mode=G;case G:if(512&r.flags){for(;16>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(h!==(65535&r.check)){e.msg="header crc mismatch",r.mode=le;break}h=0,d=0}r.head&&(r.head.hcrc=r.flags>>9&1,r.head.done=!0),e.adler=r.check=0,r.mode=W;break;case H:for(;32>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}e.adler=r.check=n(h),h=0,d=0,r.mode=Y;case Y:if(0===r.havedict)return e.next_out=s,e.avail_out=c,e.next_in=o,e.avail_in=u,r.hold=h,r.bits=d,T;e.adler=r.check=1,r.mode=W;case W:if(t===A||t===I)break e;case V:if(r.last){h>>>=7&d,d-=7&d,r.mode=ue;break}for(;3>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}switch(r.last=1&h,h>>>=1,d-=1,3&h){case 0:r.mode=X;break;case 1:if(f(r),r.mode=te,t===I){h>>>=2,d-=2;break e}break;case 2:r.mode=$;break;case 3:e.msg="invalid block type",r.mode=le}h>>>=2,d-=2;break;case X:for(h>>>=7&d,d-=7&d;32>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if((65535&h)!==(h>>>16^65535)){e.msg="invalid stored block lengths",r.mode=le;break}if(r.length=65535&h,h=0,d=0,r.mode=J,t===I)break e;case J:r.mode=K;case K:if(m=r.length){if(m>u&&(m=u),m>c&&(m=c),0===m)break e;v.arraySet(a,i,o,m,s),u-=m,o+=m,c-=m,s+=m,r.length-=m;break}r.mode=W;break;case $:for(;14>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(r.nlen=(31&h)+257,h>>>=5,d-=5,r.ndist=(31&h)+1,h>>>=5,d-=5,r.ncode=(15&h)+4,h>>>=4,d-=4,r.nlen>286||r.ndist>30){e.msg="too many length or distance symbols",r.mode=le;break}r.have=0,r.mode=Q;case Q:for(;r.have<r.ncode;){for(;3>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.lens[Re[r.have++]]=7&h,h>>>=3,d-=3}for(;r.have<19;)r.lens[Re[r.have++]]=0;if(r.lencode=r.lendyn,r.lenbits=7,Ee={bits:r.lenbits},ke=w(x,r.lens,0,19,r.lencode,0,r.work,Ee),r.lenbits=Ee.bits,ke){e.msg="invalid code lengths set",r.mode=le;break}r.have=0,r.mode=ee;case ee:for(;r.have<r.nlen+r.ndist;){for(;Ae=r.lencode[h&(1<<r.lenbits)-1],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(d>=me);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(16>_e)h>>>=me,d-=me,r.lens[r.have++]=_e;else{if(16===_e){for(Se=me+2;Se>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(h>>>=me,d-=me,0===r.have){e.msg="invalid bit length repeat",r.mode=le;break}xe=r.lens[r.have-1],m=3+(3&h),h>>>=2,d-=2}else if(17===_e){for(Se=me+3;Se>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}h>>>=me,d-=me,xe=0,m=3+(7&h),h>>>=3,d-=3}else{for(Se=me+7;Se>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}h>>>=me,d-=me,xe=0,m=11+(127&h),h>>>=7,d-=7}if(r.have+m>r.nlen+r.ndist){e.msg="invalid bit length repeat",r.mode=le;break}for(;m--;)r.lens[r.have++]=xe}}if(r.mode===le)break;if(0===r.lens[256]){e.msg="invalid code -- missing end-of-block",r.mode=le;break}if(r.lenbits=9,Ee={bits:r.lenbits},ke=w(k,r.lens,0,r.nlen,r.lencode,0,r.work,Ee),r.lenbits=Ee.bits,ke){e.msg="invalid literal/lengths set",r.mode=le;break}if(r.distbits=6,r.distcode=r.distdyn,Ee={bits:r.distbits},ke=w(E,r.lens,r.nlen,r.ndist,r.distcode,0,r.work,Ee),r.distbits=Ee.bits,ke){e.msg="invalid distances set",r.mode=le;break}if(r.mode=te,t===I)break e;case te:r.mode=re;case re:if(u>=6&&c>=258){e.next_out=s,e.avail_out=c,e.next_in=o,e.avail_in=u,r.hold=h,r.bits=d,y(e,g),s=e.next_out,a=e.output,c=e.avail_out,o=e.next_in,i=e.input,u=e.avail_in,h=r.hold,d=r.bits,r.mode===W&&(r.back=-1);break}for(r.back=0;Ae=r.lencode[h&(1<<r.lenbits)-1],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(d>=me);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(ve&&0===(240&ve)){for(be=me,ye=ve,we=_e;Ae=r.lencode[we+((h&(1<<be+ye)-1)>>be)],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(d>=be+me);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}h>>>=be,d-=be,r.back+=be}if(h>>>=me,d-=me,r.back+=me,r.length=_e,0===ve){r.mode=se;break}if(32&ve){r.back=-1,r.mode=W;break}if(64&ve){e.msg="invalid literal/length code",r.mode=le;break}r.extra=15&ve,r.mode=ne;case ne:if(r.extra){for(Se=r.extra;Se>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.length+=h&(1<<r.extra)-1,h>>>=r.extra,d-=r.extra,r.back+=r.extra}r.was=r.length,r.mode=ie;case ie:for(;Ae=r.distcode[h&(1<<r.distbits)-1],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(d>=me);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(0===(240&ve)){for(be=me,ye=ve,we=_e;Ae=r.distcode[we+((h&(1<<be+ye)-1)>>be)],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(d>=be+me);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}h>>>=be,d-=be,r.back+=be}if(h>>>=me,d-=me,r.back+=me,64&ve){e.msg="invalid distance code",r.mode=le;break}r.offset=_e,r.extra=15&ve,r.mode=ae;case ae:if(r.extra){for(Se=r.extra;Se>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.offset+=h&(1<<r.extra)-1,h>>>=r.extra,d-=r.extra,r.back+=r.extra}if(r.offset>r.dmax){e.msg="invalid distance too far back",r.mode=le;break}r.mode=oe;case oe:if(0===c)break e;if(m=g-c,r.offset>m){if(m=r.offset-m,m>r.whave&&r.sane){e.msg="invalid distance too far back",r.mode=le;break}m>r.wnext?(m-=r.wnext,pe=r.wsize-m):pe=r.wnext-m,m>r.length&&(m=r.length),ge=r.window}else ge=a,pe=s-r.offset,m=r.length;m>c&&(m=c),c-=m,r.length-=m;do a[s++]=ge[pe++];while(--m);0===r.length&&(r.mode=re);break;case se:if(0===c)break e;a[s++]=r.length,c--,r.mode=re;break;case ue:if(r.wrap){for(;32>d;){if(0===u)break e;u--,h|=i[o++]<<d,d+=8}if(g-=c,e.total_out+=g,r.total+=g,g&&(e.adler=r.check=r.flags?b(r.check,a,g,s-g):_(r.check,a,g,s-g)),g=c,(r.flags?h:n(h))!==r.check){e.msg="incorrect data check",r.mode=le;break}h=0,d=0}r.mode=ce;case ce:if(r.wrap&&r.flags){for(;32>d;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(h!==(4294967295&r.total)){e.msg="incorrect length check",r.mode=le;break}h=0,d=0}r.mode=fe;case fe:ke=P;break e;case le:ke=M;break e;case he:return C;case de:default:return L}return e.next_out=s,e.avail_out=c,e.next_in=o,e.avail_in=u,r.hold=h,r.bits=d,(r.wsize||g!==e.avail_out&&r.mode<le&&(r.mode<ue||t!==S))&&l(e,e.output,e.next_out,g-e.avail_out)?(r.mode=he,C):(p-=e.avail_in,g-=e.avail_out,e.total_in+=p,e.total_out+=g,r.total+=g,r.wrap&&g&&(e.adler=r.check=r.flags?b(r.check,a,g,e.next_out-g):_(r.check,a,g,e.next_out-g)),e.data_type=r.bits+(r.last?64:0)+(r.mode===W?128:0)+(r.mode===te||r.mode===J?256:0),(0===p&&0===g||t===S)&&ke===R&&(ke=O),ke)}function d(e){if(!e||!e.state)return L;var t=e.state;return t.window&&(t.window=null),e.state=null,R}function p(e,t){var r;return e&&e.state?(r=e.state,0===(2&r.wrap)?L:(r.head=t,t.done=!1,R)):L}var g,m,v=e("../utils/common"),_=e("./adler32"),b=e("./crc32"),y=e("./inffast"),w=e("./inftrees"),x=0,k=1,E=2,S=4,A=5,I=6,R=0,P=1,T=2,L=-2,M=-3,C=-4,O=-5,D=8,U=1,B=2,z=3,F=4,j=5,N=6,Z=7,q=8,G=9,H=10,Y=11,W=12,V=13,X=14,J=15,K=16,$=17,Q=18,ee=19,te=20,re=21,ne=22,ie=23,ae=24,oe=25,se=26,ue=27,ce=28,fe=29,le=30,he=31,de=32,pe=852,ge=592,me=15,ve=me,_e=!0;r.inflateReset=o,r.inflateReset2=s,r.inflateResetKeep=a,r.inflateInit=c,r.inflateInit2=u,r.inflate=h,r.inflateEnd=d,r.inflateGetHeader=p,r.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":38,"./adler32":39,"./crc32":41,"./inffast":43,"./inftrees":45}],45:[function(e,t,r){"use strict";var n=e("../utils/common"),i=15,a=852,o=592,s=0,u=1,c=2,f=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],l=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],h=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],d=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,r,p,g,m,v,_){var b,y,w,x,k,E,S,A,I,R=_.bits,P=0,T=0,L=0,M=0,C=0,O=0,D=0,U=0,B=0,z=0,F=null,j=0,N=new n.Buf16(i+1),Z=new n.Buf16(i+1),q=null,G=0;for(P=0;i>=P;P++)N[P]=0;for(T=0;p>T;T++)N[t[r+T]]++;for(C=R,M=i;M>=1&&0===N[M];M--);if(C>M&&(C=M),0===M)return g[m++]=20971520,g[m++]=20971520,_.bits=1,0;for(L=1;M>L&&0===N[L];L++);for(L>C&&(C=L),U=1,P=1;i>=P;P++)if(U<<=1,U-=N[P],0>U)return-1;if(U>0&&(e===s||1!==M))return-1;for(Z[1]=0,P=1;i>P;P++)Z[P+1]=Z[P]+N[P];for(T=0;p>T;T++)0!==t[r+T]&&(v[Z[t[r+T]]++]=T);if(e===s?(F=q=v,E=19):e===u?(F=f,j-=257,q=l,G-=257,E=256):(F=h,q=d,E=-1),z=0,T=0,P=L,k=m,O=C,D=0,w=-1,B=1<<C,x=B-1,e===u&&B>a||e===c&&B>o)return 1;for(var H=0;;){H++,S=P-D,v[T]<E?(A=0,I=v[T]):v[T]>E?(A=q[G+v[T]],I=F[j+v[T]]):(A=96,I=0),b=1<<P-D,y=1<<O,L=y;do y-=b,g[k+(z>>D)+y]=S<<24|A<<16|I|0;while(0!==y);for(b=1<<P-1;z&b;)b>>=1;if(0!==b?(z&=b-1,z+=b):z=0,T++,0===--N[P]){if(P===M)break;P=t[r+v[T]]}if(P>C&&(z&x)!==w){for(0===D&&(D=C),k+=L,O=P-D,U=1<<O;M>O+D&&(U-=N[O+D],!(0>=U));)O++,U<<=1;if(B+=1<<O,e===u&&B>a||e===c&&B>o)return 1;w=z&x,g[w]=C<<24|O<<16|k-m|0}}return 0!==z&&(g[k+z]=P-D<<24|64<<16|0),_.bits=C,0}},{"../utils/common":38}],46:[function(e,t,r){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],47:[function(e,t,r){"use strict";function n(e){for(var t=e.length;--t>=0;)e[t]=0}function i(e){return 256>e?oe[e]:oe[256+(e>>>7)]}function a(e,t){e.pending_buf[e.pending++]=255&t,e.pending_buf[e.pending++]=t>>>8&255}function o(e,t,r){e.bi_valid>W-r?(e.bi_buf|=t<<e.bi_valid&65535,a(e,e.bi_buf),e.bi_buf=t>>W-e.bi_valid,e.bi_valid+=r-W):(e.bi_buf|=t<<e.bi_valid&65535,e.bi_valid+=r)}function s(e,t,r){o(e,r[2*t],r[2*t+1])}function u(e,t){var r=0;do r|=1&e,e>>>=1,r<<=1;while(--t>0);return r>>>1}function c(e){16===e.bi_valid?(a(e,e.bi_buf),e.bi_buf=0,e.bi_valid=0):e.bi_valid>=8&&(e.pending_buf[e.pending++]=255&e.bi_buf,e.bi_buf>>=8,e.bi_valid-=8)}function f(e,t){var r,n,i,a,o,s,u=t.dyn_tree,c=t.max_code,f=t.stat_desc.static_tree,l=t.stat_desc.has_stree,h=t.stat_desc.extra_bits,d=t.stat_desc.extra_base,p=t.stat_desc.max_length,g=0;for(a=0;Y>=a;a++)e.bl_count[a]=0;for(u[2*e.heap[e.heap_max]+1]=0,r=e.heap_max+1;H>r;r++)n=e.heap[r],a=u[2*u[2*n+1]+1]+1,a>p&&(a=p,g++),u[2*n+1]=a,n>c||(e.bl_count[a]++,o=0,n>=d&&(o=h[n-d]),s=u[2*n],e.opt_len+=s*(a+o),l&&(e.static_len+=s*(f[2*n+1]+o)));if(0!==g){do{for(a=p-1;0===e.bl_count[a];)a--;e.bl_count[a]--,e.bl_count[a+1]+=2,e.bl_count[p]--,g-=2}while(g>0);for(a=p;0!==a;a--)for(n=e.bl_count[a];0!==n;)i=e.heap[--r],i>c||(u[2*i+1]!==a&&(e.opt_len+=(a-u[2*i+1])*u[2*i],u[2*i+1]=a),n--)}}function l(e,t,r){var n,i,a=new Array(Y+1),o=0;for(n=1;Y>=n;n++)a[n]=o=o+r[n-1]<<1;for(i=0;t>=i;i++){var s=e[2*i+1];0!==s&&(e[2*i]=u(a[s]++,s))}}function h(){var e,t,r,n,i,a=new Array(Y+1);for(r=0,n=0;j-1>n;n++)for(ue[n]=r,e=0;e<1<<Q[n];e++)se[r++]=n;for(se[r-1]=n,i=0,n=0;16>n;n++)for(ce[n]=i,e=0;e<1<<ee[n];e++)oe[i++]=n;for(i>>=7;q>n;n++)for(ce[n]=i<<7,e=0;e<1<<ee[n]-7;e++)oe[256+i++]=n;for(t=0;Y>=t;t++)a[t]=0;for(e=0;143>=e;)ie[2*e+1]=8,e++,a[8]++;for(;255>=e;)ie[2*e+1]=9,e++,a[9]++;for(;279>=e;)ie[2*e+1]=7,e++,a[7]++;for(;287>=e;)ie[2*e+1]=8,e++,a[8]++;for(l(ie,Z+1,a),e=0;q>e;e++)ae[2*e+1]=5,ae[2*e]=u(e,5);fe=new de(ie,Q,N+1,Z,Y),le=new de(ae,ee,0,q,Y),he=new de(new Array(0),te,0,G,V)}function d(e){var t;for(t=0;Z>t;t++)e.dyn_ltree[2*t]=0;for(t=0;q>t;t++)e.dyn_dtree[2*t]=0;for(t=0;G>t;t++)e.bl_tree[2*t]=0;e.dyn_ltree[2*X]=1,e.opt_len=e.static_len=0,e.last_lit=e.matches=0}function p(e){e.bi_valid>8?a(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0}function g(e,t,r,n){p(e),n&&(a(e,r),a(e,~r)),T.arraySet(e.pending_buf,e.window,t,r,e.pending),e.pending+=r}function m(e,t,r,n){var i=2*t,a=2*r;return 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+switch(U){case 0:if(n=d(e.huffmanTableAC),r=15&n,o=n>>4,0===r)o<15?(D=p(o)+(1<<o),U=4):(o=16,U=1);else{if(1!==r)throw"invalid ACn encoding";k=g(r),U=o?2:3}continue;case 1:case 2:e.blockData[t+c]?e.blockData[t+c]+=h()<<l:(o--,0===o&&(U=2===U?3:0));break;case 3:e.blockData[t+c]?e.blockData[t+c]+=h()<<l:(e.blockData[t+c]=k<<l,U=0);break;case 4:e.blockData[t+c]&&(e.blockData[t+c]+=h()<<l)}i++}4===U&&(D--,0===D&&(U=0))}function y(e,t,n,i,a){var o=n/M|0,s=n%M,u=o*e.v+i,f=s*e.h+a,c=r(e,u,f);t(e,c)}function x(e,t,n){var i=n/e.blocksPerLine|0,a=n%e.blocksPerLine,o=r(e,i,a);t(e,o)}var k,E,S,A,I,T,L,M=(n.precision,n.samplesPerLine,n.scanLines,n.mcusPerLine),R=n.progressive,C=(n.maxH,n.maxV,t),P=0,B=0,D=0,U=0,z=a.length;L=R?0===s?0===c?v:_:0===c?w:b:m;var O,F,N=0;F=1===z?a[0].blocksPerLine*a[0].blocksPerColumn:M*n.mcusPerColumn,o||(o=F);for(var j,Z;N<F;){for(S=0;S<z;S++)a[S].pred=0;if(D=0,1===z)for(E=a[0],T=0;T<o;T++)x(E,L,N),N++;else for(T=0;T<o;T++){for(S=0;S<z;S++)for(E=a[S],j=E.h,Z=E.v,A=0;A<Z;A++)for(I=0;I<j;I++)y(E,L,N,A,I);N++}if(B=0,O=e[t]<<8|e[t+1],O<=65280)throw"marker was not found";if(!(O>=65488&&O<=65495))break;t+=2}return t-C}function a(e,t,r){for(var n,i,a,o,s,u,v,_,w,b,y,x,k,E,S,A,I,T=e.quantizationTable,L=e.blockData,M=0;M<64;M+=8)w=L[t+M],b=L[t+M+1],y=L[t+M+2],x=L[t+M+3],k=L[t+M+4],E=L[t+M+5],S=L[t+M+6],A=L[t+M+7],w*=T[M],0!==(b|y|x|k|E|S|A)?(b*=T[M+1],y*=T[M+2],x*=T[M+3],k*=T[M+4],E*=T[M+5],S*=T[M+6],A*=T[M+7],n=g*w+128>>8,i=g*k+128>>8,a=y,o=S,s=m*(b-A)+128>>8,_=m*(b+A)+128>>8,u=x<<4,v=E<<4,n=n+i+1>>1,i=n-i,I=a*p+o*d+128>>8,a=a*d-o*p+128>>8,o=I,s=s+v+1>>1,v=s-v,_=_+u+1>>1,u=_-u,n=n+o+1>>1,o=n-o,i=i+a+1>>1,a=i-a,I=s*h+_*l+2048>>12,s=s*l-_*h+2048>>12,_=I,I=u*c+v*f+2048>>12,u=u*f-v*c+2048>>12,v=I,r[M]=n+_,r[M+7]=n-_,r[M+1]=i+v,r[M+6]=i-v,r[M+2]=a+u,r[M+5]=a-u,r[M+3]=o+s,r[M+4]=o-s):(I=g*w+512>>10,r[M]=I,r[M+1]=I,r[M+2]=I,r[M+3]=I,r[M+4]=I,r[M+5]=I,r[M+6]=I,r[M+7]=I);for(var R=0;R<8;++R)w=r[R],b=r[R+8],y=r[R+16],x=r[R+24],k=r[R+32],E=r[R+40],S=r[R+48],A=r[R+56],0!==(b|y|x|k|E|S|A)?(n=g*w+2048>>12,i=g*k+2048>>12,a=y,o=S,s=m*(b-A)+2048>>12,_=m*(b+A)+2048>>12,u=x,v=E,n=(n+i+1>>1)+4112,i=n-i,I=a*p+o*d+2048>>12,a=a*d-o*p+2048>>12,o=I,s=s+v+1>>1,v=s-v,_=_+u+1>>1,u=_-u,n=n+o+1>>1,o=n-o,i=i+a+1>>1,a=i-a,I=s*h+_*l+2048>>12,s=s*l-_*h+2048>>12,_=I,I=u*c+v*f+2048>>12,u=u*f-v*c+2048>>12,v=I,w=n+_,A=n-_,b=i+v,S=i-v,y=a+u,E=a-u,x=o+s,k=o-s,w=w<16?0:w>=4080?255:w>>4,b=b<16?0:b>=4080?255:b>>4,y=y<16?0:y>=4080?255:y>>4,x=x<16?0:x>=4080?255:x>>4,k=k<16?0:k>=4080?255:k>>4,E=E<16?0:E>=4080?255:E>>4,S=S<16?0:S>=4080?255:S>>4,A=A<16?0:A>=4080?255:A>>4,L[t+R]=w,L[t+R+8]=b,L[t+R+16]=y,L[t+R+24]=x,L[t+R+32]=k,L[t+R+40]=E,L[t+R+48]=S,L[t+R+56]=A):(I=g*w+8192>>14,I=I<-2040?0:I>=2024?255:I+2056>>4,L[t+R]=I,L[t+R+8]=I,L[t+R+16]=I,L[t+R+24]=I,L[t+R+32]=I,L[t+R+40]=I,L[t+R+48]=I,L[t+R+56]=I)}function o(e,t){for(var n=t.blocksPerLine,i=t.blocksPerColumn,o=new Int16Array(64),s=0;s<i;s++)for(var u=0;u<n;u++){var f=r(t,s,u);a(t,f,o)}return t.blockData}function s(e){return e<=0?0:e>=255?255:e}var u=new Uint8Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]),f=4017,c=799,l=3406,h=2276,d=1567,p=3784,g=5793,m=2896;return e.prototype={parse:function(e){function r(){var t=e[c]<<8|e[c+1];return c+=2,t}function i(){var t=r(),n=e.subarray(c,c+t-2);return c+=n.length,n}function a(e){for(var t=Math.ceil(e.samplesPerLine/8/e.maxH),r=Math.ceil(e.scanLines/8/e.maxV),n=0;n<e.components.length;n++){O=e.components[n];var i=Math.ceil(Math.ceil(e.samplesPerLine/8)*O.h/e.maxH),a=Math.ceil(Math.ceil(e.scanLines/8)*O.v/e.maxV),o=t*O.h,s=r*O.v,u=64*s*(o+1);O.blockData=new Int16Array(u),O.blocksPerLine=i,O.blocksPerColumn=a}e.mcusPerLine=t,e.mcusPerColumn=r}var s,f,c=0,l=(e.length,null),h=null,d=[],p=[],g=[],m=r();if(65496!==m)throw"SOI not found";for(m=r();65497!==m;){var v,_,w;switch(m){case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var b=i();65504===m&&74===b[0]&&70===b[1]&&73===b[2]&&70===b[3]&&0===b[4]&&(l={version:{major:b[5],minor:b[6]},densityUnits:b[7],xDensity:b[8]<<8|b[9],yDensity:b[10]<<8|b[11],thumbWidth:b[12],thumbHeight:b[13],thumbData:b.subarray(14,14+3*b[12]*b[13])}),65518===m&&65===b[0]&&100===b[1]&&111===b[2]&&98===b[3]&&101===b[4]&&(h={version:b[5]<<8|b[6],flags0:b[7]<<8|b[8],flags1:b[9]<<8|b[10],transformCode:b[11]});break;case 65499:for(var y,x=r(),k=x+c-2;c<k;){var E=e[c++],S=new Uint16Array(64);if(E>>4===0)for(_=0;_<64;_++)y=u[_],S[y]=e[c++];else{if(E>>4!==1)throw"DQT: invalid table spec";for(_=0;_<64;_++)y=u[_],S[y]=r()}d[15&E]=S}break;case 65472:case 65473:case 65474:if(s)throw"Only single frame JPEGs supported";r(),s={},s.extended=65473===m,s.progressive=65474===m,s.precision=e[c++],s.scanLines=r(),s.samplesPerLine=r(),s.components=[],s.componentIds={};var A,I=e[c++],T=0,L=0;for(v=0;v<I;v++){A=e[c];var M=e[c+1]>>4,R=15&e[c+1];T<M&&(T=M),L<R&&(L=R);var C=e[c+2];w=s.components.push({h:M,v:R,quantizationTable:d[C]}),s.componentIds[A]=w-1,c+=3}s.maxH=T,s.maxV=L,a(s);break;case 65476:var P=r();for(v=2;v<P;){var B=e[c++],D=new Uint8Array(16),U=0;for(_=0;_<16;_++,c++)U+=D[_]=e[c];var z=new Uint8Array(U);for(_=0;_<U;_++,c++)z[_]=e[c];v+=17+U,(B>>4===0?g:p)[15&B]=t(D,z)}break;case 65501:r(),f=r();break;case 65498:var O,F=(r(),e[c++]),N=[];for(v=0;v<F;v++){var j=s.componentIds[e[c++]];O=s.components[j];var Z=e[c++];O.huffmanTableDC=g[Z>>4],O.huffmanTableAC=p[15&Z],N.push(O)}var q=e[c++],G=e[c++],H=e[c++],W=n(e,c,s,N,f,q,G,H>>4,15&H);c+=W;break;case 65535:255!==e[c]&&c--;break;default:if(255===e[c-3]&&e[c-2]>=192&&e[c-2]<=254){c-=3;break}throw"unknown JPEG marker "+m.toString(16)}m=r()}for(this.width=s.samplesPerLine,this.height=s.scanLines,this.jfif=l,this.adobe=h,this.components=[],v=0;v<s.components.length;v++)O=s.components[v],this.components.push({output:o(s,O),scaleX:O.h/s.maxH,scaleY:O.v/s.maxV,blocksPerLine:O.blocksPerLine,blocksPerColumn:O.blocksPerColumn});this.numComponents=this.components.length},_getLinearizedBlockData:function(e,t){var r,n,i,a,o,s,u,f,c,l,h,d=this.width/e,p=this.height/t,g=0,m=this.components.length,v=e*t*m,_=new Uint8Array(v),w=new Uint32Array(e),b=4294967288;for(u=0;u<m;u++){for(r=this.components[u],n=r.scaleX*d,i=r.scaleY*p,g=u,h=r.output,a=r.blocksPerLine+1<<3,o=0;o<e;o++)f=0|o*n,w[o]=(f&b)<<3|7&f;for(s=0;s<t;s++)for(f=0|s*i,l=a*(f&b)|(7&f)<<3,o=0;o<e;o++)_[g]=h[l+w[o]],g+=m}var y=this.decodeTransform;if(y)for(u=0;u<v;)for(f=0,c=0;f<m;f++,u++,c+=2)_[u]=(_[u]*y[c]>>8)+y[c+1];return _},_isColorConversionNeeded:function(){return!(!this.adobe||!this.adobe.transformCode)||3===this.numComponents},_convertYccToRgb:function(e){for(var t,r,n,i=0,a=e.length;i<a;i+=3)t=e[i],r=e[i+1],n=e[i+2],e[i]=s(t-179.456+1.402*n),e[i+1]=s(t+135.459-.344*r-.714*n),e[i+2]=s(t-226.816+1.772*r);return e},_convertYcckToRgb:function(e){for(var t,r,n,i,a=0,o=0,u=e.length;o<u;o+=4){t=e[o],r=e[o+1],n=e[o+2],i=e[o+3];var f=-122.67195406894+r*(-660635669420364e-19*r+.000437130475926232*n-54080610064599e-18*t+.00048449797120281*i-.154362151871126)+n*(-.000957964378445773*n+.000817076911346625*t-.00477271405408747*i+1.53380253221734)+t*(.000961250184130688*t-.00266257332283933*i+.48357088451265)+i*(-.000336197177618394*i+.484791561490776),c=107.268039397724+r*(219927104525741e-19*r-.000640992018297945*n+.000659397001245577*t+.000426105652938837*i-.176491792462875)+n*(-.000778269941513683*n+.00130872261408275*t+.000770482631801132*i-.151051492775562)+t*(.00126935368114843*t-.00265090189010898*i+.25802910206845)+i*(-.000318913117588328*i-.213742400323665),l=-20.810012546947+r*(-.000570115196973677*r-263409051004589e-19*n+.0020741088115012*t-.00288260236853442*i+.814272968359295)+n*(-153496057440975e-19*n-.000132689043961446*t+.000560833691242812*i-.195152027534049)+t*(.00174418132927582*t-.00255243321439347*i+.116935020465145)+i*(-.000343531996510555*i+.24165260232407);e[a++]=s(f),e[a++]=s(c),e[a++]=s(l)}return e},_convertYcckToCmyk:function(e){for(var t,r,n,i=0,a=e.length;i<a;i+=4)t=e[i],r=e[i+1],n=e[i+2],e[i]=s(434.456-t-1.402*n),e[i+1]=s(119.541-t+.344*r+.714*n),e[i+2]=s(481.816-t-1.772*r);return e},_convertCmykToRgb:function(e){for(var t,r,n,i,a=0,o=-16581375,s=1/255/255,u=0,f=e.length;u<f;u+=4){t=e[u],r=e[u+1],n=e[u+2],i=e[u+3];var c=t*(-4.387332384609988*t+54.48615194189176*r+18.82290502165302*n+212.25662451639585*i-72734.4411664936)+r*(1.7149763477362134*r-5.6096736904047315*n-17.873870861415444*i-1401.7366389350734)+n*(-2.5217340131683033*n-21.248923337353073*i+4465.541406466231)-i*(21.86122147463605*i+48317.86113160301),l=t*(8.841041422036149*t+60.118027045597366*r+6.871425592049007*n+31.159100130055922*i-20220.756542821975)+r*(-15.310361306967817*r+17.575251261109482*n+131.35250912493976*i-48691.05921601825)+n*(4.444339102852739*n+9.8632861493405*i-6341.191035517494)-i*(20.737325471181034*i+47890.15695978492),h=t*(.8842522430003296*t+8.078677503112928*r+30.89978309703729*n-.23883238689178934*i-3616.812083916688)+r*(10.49593273432072*r+63.02378494754052*n+50.606957656360734*i-28620.90484698408)+n*(.03296041114873217*n+115.60384449646641*i-49363.43385999684)-i*(22.33816807309886*i+45932.16563550634);e[a++]=c>=0?255:c<=o?0:255+c*s|0,e[a++]=l>=0?255:l<=o?0:255+l*s|0,e[a++]=h>=0?255:h<=o?0:255+h*s|0}return e},getData:function(e,t,r){if(this.numComponents>4)throw"Unsupported color mode";var n=this._getLinearizedBlockData(e,t);if(3===this.numComponents)return this._convertYccToRgb(n);if(4===this.numComponents){if(this._isColorConversionNeeded())return r?this._convertYcckToRgb(n):this._convertYcckToCmyk(n);if(r)return this._convertCmykToRgb(n)}return n}},e}(),u=function(){function e(e,t,r){this.data=e,this.bp=t,this.dataEnd=r,this.chigh=e[t],this.clow=0,this.byteIn(),this.chigh=this.chigh<<7&65535|this.clow>>9&127,this.clow=this.clow<<7&65535,this.ct-=7,this.a=32768}var t=[{qe:22017,nmps:1,nlps:1,switchFlag:1},{qe:13313,nmps:2,nlps:6,switchFlag:0},{qe:6145,nmps:3,nlps:9,switchFlag:0},{qe:2753,nmps:4,nlps:12,switchFlag:0},{qe:1313,nmps:5,nlps:29,switchFlag:0},{qe:545,nmps:38,nlps:33,switchFlag:0},{qe:22017,nmps:7,nlps:6,switchFlag:1},{qe:21505,nmps:8,nlps:14,switchFlag:0},{qe:18433,nmps:9,nlps:14,switchFlag:0},{qe:14337,nmps:10,nlps:14,switchFlag:0},{qe:12289,nmps:11,nlps:17,switchFlag:0},{qe:9217,nmps:12,nlps:18,switchFlag:0},{qe:7169,nmps:13,nlps:20,switchFlag:0},{qe:5633,nmps:29,nlps:21,switchFlag:0},{qe:22017,nmps:15,nlps:14,switchFlag:1},{qe:21505,nmps:16,nlps:14,switchFlag:0},{qe:20737,nmps:17,nlps:15,switchFlag:0},{qe:18433,nmps:18,nlps:16,switchFlag:0},{qe:14337,nmps:19,nlps:17,switchFlag:0},{qe:13313,nmps:20,nlps:18,switchFlag:0},{qe:12289,nmps:21,nlps:19,switchFlag:0},{qe:10241,nmps:22,nlps:19,switchFlag:0},{qe:9217,nmps:23,nlps:20,switchFlag:0},{qe:8705,nmps:24,nlps:21,switchFlag:0},{qe:7169,nmps:25,nlps:22,switchFlag:0},{qe:6145,nmps:26,nlps:23,switchFlag:0},{qe:5633,nmps:27,nlps:24,switchFlag:0},{qe:5121,nmps:28,nlps:25,switchFlag:0},{qe:4609,nmps:29,nlps:26,switchFlag:0},{qe:4353,nmps:30,nlps:27,switchFlag:0},{qe:2753,nmps:31,nlps:28,switchFlag:0},{qe:2497,nmps:32,nlps:29,switchFlag:0},{qe:2209,nmps:33,nlps:30,switchFlag:0},{qe:1313,nmps:34,nlps:31,switchFlag:0},{qe:1089,nmps:35,nlps:32,switchFlag:0},{qe:673,nmps:36,nlps:33,switchFlag:0},{qe:545,nmps:37,nlps:34,switchFlag:0},{qe:321,nmps:38,nlps:35,switchFlag:0},{qe:273,nmps:39,nlps:36,switchFlag:0},{qe:133,nmps:40,nlps:37,switchFlag:0},{qe:73,nmps:41,nlps:38,switchFlag:0},{qe:37,nmps:42,nlps:39,switchFlag:0},{qe:21,nmps:43,nlps:40,switchFlag:0},{qe:9,nmps:44,nlps:41,switchFlag:0},{qe:5,nmps:45,nlps:42,switchFlag:0},{qe:1,nmps:45,nlps:43,switchFlag:0},{qe:22017,nmps:46,nlps:46,switchFlag:0}];return e.prototype={byteIn:function(){var e=this.data,t=this.bp;if(255===e[t]){var r=e[t+1];r>143?(this.clow+=65280,this.ct=8):(t++,this.clow+=e[t]<<9,this.ct=7,this.bp=t)}else t++,this.clow+=t<this.dataEnd?e[t]<<8:65280,this.ct=8,this.bp=t;this.clow>65535&&(this.chigh+=this.clow>>16,this.clow&=65535)},readBit:function(e,r){var n,i=e[r]>>1,a=1&e[r],o=t[i],s=o.qe,u=this.a-s;if(this.chigh<s)u<s?(u=s,n=a,i=o.nmps):(u=s,n=1^a,1===o.switchFlag&&(a=n),i=o.nlps);else{if(this.chigh-=s,0!==(32768&u))return this.a=u,a;u<s?(n=1^a,1===o.switchFlag&&(a=n),i=o.nlps):(n=a,i=o.nmps)}do 0===this.ct&&this.byteIn(),u<<=1,this.chigh=this.chigh<<1&65535|this.clow>>15&1,this.clow=this.clow<<1&65535,this.ct--;while(0===(32768&u));return this.a=u,e[r]=i<<1|a,n}},e}(),f=function(){function e(){this.failOnCorruptedImage=!1}function r(e,t){e.x0=Math.ceil(t.XOsiz/e.XRsiz),e.x1=Math.ceil(t.Xsiz/e.XRsiz),e.y0=Math.ceil(t.YOsiz/e.YRsiz),e.y1=Math.ceil(t.Ysiz/e.YRsiz),e.width=e.x1-e.x0,e.height=e.y1-e.y0}function i(e,t){for(var r,n=e.SIZ,i=[],a=Math.ceil((n.Xsiz-n.XTOsiz)/n.XTsiz),o=Math.ceil((n.Ysiz-n.YTOsiz)/n.YTsiz),s=0;s<o;s++)for(var u=0;u<a;u++)r={},r.tx0=Math.max(n.XTOsiz+u*n.XTsiz,n.XOsiz),r.ty0=Math.max(n.YTOsiz+s*n.YTsiz,n.YOsiz),r.tx1=Math.min(n.XTOsiz+(u+1)*n.XTsiz,n.Xsiz),r.ty1=Math.min(n.YTOsiz+(s+1)*n.YTsiz,n.Ysiz),r.width=r.tx1-r.tx0,r.height=r.ty1-r.ty0,r.components=[],i.push(r);e.tiles=i;for(var f=n.Csiz,c=0,l=f;c<l;c++)for(var h=t[c],d=0,p=i.length;d<p;d++){var g={};r=i[d],g.tcx0=Math.ceil(r.tx0/h.XRsiz),g.tcy0=Math.ceil(r.ty0/h.YRsiz),g.tcx1=Math.ceil(r.tx1/h.XRsiz),g.tcy1=Math.ceil(r.ty1/h.YRsiz),g.width=g.tcx1-g.tcx0,g.height=g.tcy1-g.tcy0,r.components[c]=g}}function o(e,t,r){var n=t.codingStyleParameters,i={};return n.entropyCoderWithCustomPrecincts?(i.PPx=n.precinctsSizes[r].PPx,i.PPy=n.precinctsSizes[r].PPy):(i.PPx=15,i.PPy=15),i.xcb_=r>0?Math.min(n.xcb,i.PPx-1):Math.min(n.xcb,i.PPx),i.ycb_=r>0?Math.min(n.ycb,i.PPy-1):Math.min(n.ycb,i.PPy),i}function s(e,t,r){var n=1<<r.PPx,i=1<<r.PPy,a=0===t.resLevel,o=1<<r.PPx+(a?0:-1),s=1<<r.PPy+(a?0:-1),u=t.trx1>t.trx0?Math.ceil(t.trx1/n)-Math.floor(t.trx0/n):0,f=t.try1>t.try0?Math.ceil(t.try1/i)-Math.floor(t.try0/i):0,c=u*f;t.precinctParameters={precinctWidth:n,precinctHeight:i,numprecinctswide:u,numprecinctshigh:f,numprecincts:c,precinctWidthInSubband:o,precinctHeightInSubband:s}}function f(e,t,r){var n,i,a,o,s=r.xcb_,u=r.ycb_,f=1<<s,c=1<<u,l=t.tbx0>>s,h=t.tby0>>u,d=t.tbx1+f-1>>s,p=t.tby1+c-1>>u,g=t.resolution.precinctParameters,m=[],v=[];for(i=h;i<p;i++)for(n=l;n<d;n++){a={cbx:n,cby:i,tbx0:f*n,tby0:c*i,tbx1:f*(n+1),tby1:c*(i+1)},a.tbx0_=Math.max(t.tbx0,a.tbx0),a.tby0_=Math.max(t.tby0,a.tby0),a.tbx1_=Math.min(t.tbx1,a.tbx1),a.tby1_=Math.min(t.tby1,a.tby1);var _=Math.floor((a.tbx0_-t.tbx0)/g.precinctWidthInSubband),w=Math.floor((a.tby0_-t.tby0)/g.precinctHeightInSubband);if(o=_+w*g.numprecinctswide,a.precinctNumber=o,a.subbandType=t.type,a.Lblock=3,!(a.tbx1_<=a.tbx0_||a.tby1_<=a.tby0_)){m.push(a);var b=v[o];void 0!==b?(n<b.cbxMin?b.cbxMin=n:n>b.cbxMax&&(b.cbxMax=n),i<b.cbyMin?b.cbxMin=i:i>b.cbyMax&&(b.cbyMax=i)):v[o]=b={cbxMin:n,cbyMin:i,cbxMax:n,cbyMax:i},a.precinct=b}}t.codeblockParameters={codeblockWidth:s,codeblockHeight:u,numcodeblockwide:d-l+1,numcodeblockhigh:p-h+1},t.codeblocks=m,t.precincts=v}function c(e,t,r){for(var n=[],i=e.subbands,a=0,o=i.length;a<o;a++)for(var s=i[a],u=s.codeblocks,f=0,c=u.length;f<c;f++){var l=u[f];l.precinctNumber===t&&n.push(l)}return{layerNumber:r,codeblocks:n}}function l(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,a=t.Csiz,o=0,s=0;s<a;s++)o=Math.max(o,n.components[s].codingStyleParameters.decompositionLevelsCount);var u=0,f=0,l=0,h=0;this.nextPacket=function(){for(;u<i;u++){for(;f<=o;f++){for(;l<a;l++){var e=n.components[l];if(!(f>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[f],r=t.precinctParameters.numprecincts;h<r;){var s=c(t,h,u);return h++,s}h=0}}l=0}f=0}throw new Error("JPX Error: Out of packets")}}function p(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,a=t.Csiz,o=0,s=0;s<a;s++)o=Math.max(o,n.components[s].codingStyleParameters.decompositionLevelsCount);var u=0,f=0,l=0,h=0;this.nextPacket=function(){for(;u<=o;u++){for(;f<i;f++){for(;l<a;l++){var e=n.components[l];if(!(u>e.codingStyleParameters.decompositionLevelsCount)){for(var t=e.resolutions[u],r=t.precinctParameters.numprecincts;h<r;){var s=c(t,h,f);return h++,s}h=0}}l=0}f=0}throw new Error("JPX Error: Out of packets")}}function g(e){var t,r,n,i,a=e.SIZ,o=e.currentTile.index,s=e.tiles[o],u=s.codingStyleDefaultParameters.layersCount,f=a.Csiz,l=0;for(n=0;n<f;n++){var h=s.components[n];l=Math.max(l,h.codingStyleParameters.decompositionLevelsCount)}var d=new Int32Array(l+1);for(r=0;r<=l;++r){var p=0;for(n=0;n<f;++n){var g=s.components[n].resolutions;r<g.length&&(p=Math.max(p,g[r].precinctParameters.numprecincts))}d[r]=p}t=0,r=0,n=0,i=0,this.nextPacket=function(){for(;r<=l;r++){for(;i<d[r];i++){for(;n<f;n++){var e=s.components[n];if(!(r>e.codingStyleParameters.decompositionLevelsCount)){var a=e.resolutions[r],o=a.precinctParameters.numprecincts;if(!(i>=o)){for(;t<u;){var h=c(a,i,t);return t++,h}t=0}}}n=0}i=0}throw new Error("JPX Error: Out of packets")}}function m(e){var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,a=t.Csiz,o=w(n),s=o,u=0,f=0,l=0,h=0,d=0;this.nextPacket=function(){for(;d<s.maxNumHigh;d++){for(;h<s.maxNumWide;h++){for(;l<a;l++){for(var e=n.components[l],t=e.codingStyleParameters.decompositionLevelsCount;f<=t;f++){var r=e.resolutions[f],p=o.components[l].resolutions[f],g=_(h,d,p,s,r);if(null!==g){for(;u<i;){var m=c(r,g,u);return u++,m}u=0}}f=0}l=0}h=0}throw new Error("JPX Error: Out of packets")}}function v(e){var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=n.codingStyleDefaultParameters.layersCount,a=t.Csiz,o=w(n),s=0,u=0,f=0,l=0,h=0;this.nextPacket=function(){for(;f<a;++f){for(var e=n.components[f],t=o.components[f],r=e.codingStyleParameters.decompositionLevelsCount;h<t.maxNumHigh;h++){for(;l<t.maxNumWide;l++){for(;u<=r;u++){var d=e.resolutions[u],p=t.resolutions[u],g=_(l,h,p,t,d);if(null!==g){for(;s<i;){var m=c(d,g,s);return s++,m}s=0}}u=0}l=0}h=0}throw new Error("JPX Error: Out of packets")}}function _(e,t,r,n,i){var a=e*n.minWidth,o=t*n.minHeight;if(a%r.width!==0||o%r.height!==0)return null;var s=o/r.width*i.precinctParameters.numprecinctswide;return a/r.height+s}function w(e){for(var t=e.components.length,r=Number.MAX_VALUE,n=Number.MAX_VALUE,i=0,a=0,o=new Array(t),s=0;s<t;s++){for(var u=e.components[s],f=u.codingStyleParameters.decompositionLevelsCount,c=new Array(f+1),l=Number.MAX_VALUE,h=Number.MAX_VALUE,d=0,p=0,g=1,m=f;m>=0;--m){var v=u.resolutions[m],_=g*v.precinctParameters.precinctWidth,w=g*v.precinctParameters.precinctHeight;l=Math.min(l,_),h=Math.min(h,w),d=Math.max(d,v.precinctParameters.numprecinctswide),p=Math.max(p,v.precinctParameters.numprecinctshigh),c[m]={width:_,height:w},g<<=1}r=Math.min(r,l),n=Math.min(n,h),i=Math.max(i,d),a=Math.max(a,p),o[s]={resolutions:c,minWidth:l,minHeight:h,maxNumWide:d,maxNumHigh:p}}return{components:o,minWidth:r,minHeight:n,maxNumWide:i,maxNumHigh:a}}function b(e){for(var t=e.SIZ,r=e.currentTile.index,n=e.tiles[r],i=t.Csiz,a=0;a<i;a++){for(var u=n.components[a],c=u.codingStyleParameters.decompositionLevelsCount,h=[],d=[],_=0;_<=c;_++){var w=o(e,u,_),b={},y=1<<c-_;b.trx0=Math.ceil(u.tcx0/y),b.try0=Math.ceil(u.tcy0/y),b.trx1=Math.ceil(u.tcx1/y),b.try1=Math.ceil(u.tcy1/y),b.resLevel=_,s(e,b,w),h.push(b);var x;if(0===_)x={},x.type="LL",x.tbx0=Math.ceil(u.tcx0/y),x.tby0=Math.ceil(u.tcy0/y),x.tbx1=Math.ceil(u.tcx1/y),x.tby1=Math.ceil(u.tcy1/y),x.resolution=b,f(e,x,w),d.push(x),b.subbands=[x];else{var k=1<<c-_+1,E=[];x={},x.type="HL",x.tbx0=Math.ceil(u.tcx0/k-.5),x.tby0=Math.ceil(u.tcy0/k),x.tbx1=Math.ceil(u.tcx1/k-.5),x.tby1=Math.ceil(u.tcy1/k),x.resolution=b,f(e,x,w),d.push(x),E.push(x),x={},x.type="LH",x.tbx0=Math.ceil(u.tcx0/k),x.tby0=Math.ceil(u.tcy0/k-.5),x.tbx1=Math.ceil(u.tcx1/k),x.tby1=Math.ceil(u.tcy1/k-.5),x.resolution=b,f(e,x,w),d.push(x),E.push(x),x={},x.type="HH",x.tbx0=Math.ceil(u.tcx0/k-.5),x.tby0=Math.ceil(u.tcy0/k-.5),x.tbx1=Math.ceil(u.tcx1/k-.5),x.tby1=Math.ceil(u.tcy1/k-.5),x.resolution=b,f(e,x,w),d.push(x),E.push(x),b.subbands=E}}u.resolutions=h,u.subbands=d}var S=n.codingStyleDefaultParameters.progressionOrder;switch(S){case 0:n.packetsIterator=new l(e);break;case 1:n.packetsIterator=new p(e);break;case 2:n.packetsIterator=new g(e);break;case 3:n.packetsIterator=new m(e);break;case 4:n.packetsIterator=new v(e);break;default:throw new Error("JPX Error: Unsupported progression order "+S)}}function y(e,r,n,i){function a(e){for(;h<e;){var t=r[n+l];l++,d?(c=c<<7|t,h+=7,d=!1):(c=c<<8|t,h+=8),255===t&&(d=!0)}return h-=e,c>>>h&(1<<e)-1}function o(e){return 255===r[n+l-1]&&r[n+l]===e?(s(1),!0):255===r[n+l]&&r[n+l+1]===e&&(s(2),!0)}function s(e){l+=e}function u(){h=0,d&&(l++,d=!1)}function f(){if(0===a(1))return 1;if(0===a(1))return 2;var e=a(2);return e<3?e+3:(e=a(5),e<31?e+6:(e=a(7),e+37))}for(var c,l=0,h=0,d=!1,p=e.currentTile.index,g=e.tiles[p],m=e.COD.sopMarkerUsed,v=e.COD.ephMarkerUsed,_=g.packetsIterator;l<i;){u(),m&&o(145)&&s(4);var w=_.nextPacket();if(a(1)){for(var b,y=w.layerNumber,x=[],k=0,E=w.codeblocks.length;k<E;k++){b=w.codeblocks[k];var S,A=b.precinct,L=b.cbx-A.cbxMin,M=b.cby-A.cbyMin,R=!1,C=!1;if(void 0!==b.included)R=!!a(1);else{A=b.precinct;var P,B;if(void 0!==A.inclusionTree)P=A.inclusionTree;else{var D=A.cbxMax-A.cbxMin+1,U=A.cbyMax-A.cbyMin+1;P=new T(D,U,y),B=new I(D,U),A.inclusionTree=P,A.zeroBitPlanesTree=B}if(P.reset(L,M,y))for(;;){if(!a(1)){P.incrementValue(y);break}if(S=!P.nextLevel()){b.included=!0,R=C=!0;break}}}if(R){if(C){for(B=A.zeroBitPlanesTree,B.reset(L,M);;)if(a(1)){if(S=!B.nextLevel())break}else B.incrementValue();b.zeroBitPlanes=B.value}for(var z=f();a(1);)b.Lblock++;var O=t(z),F=(z<1<<O?O-1:O)+b.Lblock,N=a(F);x.push({codeblock:b,codingpasses:z,dataLength:N})}}for(u(),v&&o(146);x.length>0;){var j=x.shift();b=j.codeblock,void 0===b.data&&(b.data=[]),b.data.push({data:r,start:n+l,end:n+l+j.dataLength,codingpasses:j.codingpasses}),l+=j.dataLength}}}return l}function x(e,t,r,n,i,a,o,s){for(var f=n.tbx0,c=n.tby0,l=n.tbx1-n.tbx0,h=n.codeblocks,d="H"===n.type.charAt(0)?1:0,p="H"===n.type.charAt(1)?t:0,g=0,m=h.length;g<m;++g){var v=h[g],_=v.tbx1_-v.tbx0_,w=v.tby1_-v.tby0_;if(0!==_&&0!==w&&void 0!==v.data){var b,y;b=new L(_,w,v.subbandType,v.zeroBitPlanes,a),y=2;var x,k,E,S=v.data,A=0,I=0;for(x=0,k=S.length;x<k;x++)E=S[x],A+=E.end-E.start,I+=E.codingpasses;var T=new Uint8Array(A),M=0;for(x=0,k=S.length;x<k;x++){E=S[x];var R=E.data.subarray(E.start,E.end);T.set(R,M),M+=R.length}var C=new u(T,0,A);for(b.setDecoder(C),x=0;x<I;x++){switch(y){case 0:b.runSignificancePropogationPass();break;case 1:b.runMagnitudeRefinementPass();break;case 2:b.runCleanupPass(),s&&b.checkSegmentationSymbol()}y=(y+1)%3}var P,B,D,U=v.tbx0_-f+(v.tby0_-c)*l,z=b.coefficentsSign,O=b.coefficentsMagnitude,F=b.bitsDecoded,N=o?0:.5;M=0;var j="LL"!==n.type;for(x=0;x<w;x++){var Z=U/l|0,q=2*Z*(t-l)+d+p;for(P=0;P<_;P++){if(B=O[M],0!==B){B=(B+N)*i,0!==z[M]&&(B=-B),D=F[M];var G=j?q+(U<<1):U;o&&D>=a?e[G]=B:e[G]=B*(1<<a-D)}U++,M++}U+=l-_}}}}function k(e,t,r){for(var n=t.components[r],i=n.codingStyleParameters,a=n.quantizationParameters,o=i.decompositionLevelsCount,s=a.SPqcds,u=a.scalarExpounded,f=a.guardBits,c=i.segmentationSymbolUsed,l=e.components[r].precision,h=i.reversibleTransformation,d=h?new C:new R,p=[],g=0,m=0;m<=o;m++){for(var v=n.resolutions[m],_=v.trx1-v.trx0,w=v.try1-v.try0,b=new Float32Array(_*w),y=0,k=v.subbands.length;y<k;y++){var E,S;u?(E=s[g].mu,S=s[g].epsilon,g++):(E=s[0].mu,S=s[0].epsilon+(m>0?1-m:0));var I=v.subbands[y],T=A[I.type],L=h?1:Math.pow(2,l+T-S)*(1+E/2048),M=f+S-1;x(b,_,w,I,L,M,h,c)}p.push({width:_,height:w,items:b})}var P=d.calculate(p,n.tcx0,n.tcy0);return{left:n.tcx0,top:n.tcy0,width:P.width,height:P.height,items:P.items}}function E(e){for(var t=e.SIZ,r=e.components,n=t.Csiz,i=[],a=0,o=e.tiles.length;a<o;a++){var s,u=e.tiles[a],f=[];for(s=0;s<n;s++)f[s]=k(e,u,s);var c,l,h,d,p,g,m,v,_,w,b,y,x,E,S,A=f[0],I=new Uint8Array(A.items.length*n),T={left:A.left,top:A.top,width:A.width,height:A.height,items:I},L=0;if(u.codingStyleDefaultParameters.multipleComponentTransform){var M=4===n,R=f[0].items,C=f[1].items,P=f[2].items,B=M?f[3].items:null;c=r[0].precision-8,l=(128<<c)+.5,h=255*(1<<c),p=.5*h,d=-p;var D=u.components[0],U=n-3;if(m=R.length,D.codingStyleParameters.reversibleTransformation)for(g=0;g<m;g++,L+=U)v=R[g]+l,_=C[g],w=P[g],y=v-(w+_>>2),b=y+w,x=y+_,I[L++]=b<=0?0:b>=h?255:b>>c,I[L++]=y<=0?0:y>=h?255:y>>c,I[L++]=x<=0?0:x>=h?255:x>>c;else for(g=0;g<m;g++,L+=U)v=R[g]+l,_=C[g],w=P[g],b=v+1.402*w,y=v-.34413*_-.71414*w,x=v+1.772*_,I[L++]=b<=0?0:b>=h?255:b>>c,I[L++]=y<=0?0:y>=h?255:y>>c,I[L++]=x<=0?0:x>=h?255:x>>c;if(M)for(g=0,L=3;g<m;g++,L+=4)E=B[g],I[L]=E<=d?0:E>=p?255:E+l>>c}else for(s=0;s<n;s++){var z=f[s].items;for(c=r[s].precision-8,l=(128<<c)+.5,h=127.5*(1<<c),d=-h,L=s,g=0,m=z.length;g<m;g++)S=z[g],I[L]=S<=d?0:S>=h?255:S+l>>c,L+=n}i.push(T)}return i}function S(e,t){for(var r=e.SIZ,n=r.Csiz,i=e.tiles[t],a=0;a<n;a++){var o=i.components[a],s=void 0!==e.currentTile.QCC[a]?e.currentTile.QCC[a]:e.currentTile.QCD;o.quantizationParameters=s;var u=void 0!==e.currentTile.COC[a]?e.currentTile.COC[a]:e.currentTile.COD;o.codingStyleParameters=u}i.codingStyleDefaultParameters=e.currentTile.COD}var A={LL:0,LH:1,HL:1,HH:2};e.prototype={parse:function(e){var t=n(e,0);if(65359===t)return void this.parseCodestream(e,0,e.length);for(var r=0,i=e.length;r<i;){var o=8,s=a(e,r),u=a(e,r+4);if(r+=o,1===s&&(s=4294967296*a(e,r)+a(e,r+4),r+=8,o+=8),0===s&&(s=i-r+o),s<o)throw new Error("JPX Error: Invalid box field size");var f=s-o,c=!0;switch(u){case 1785737832:c=!1;break;case 1668246642:var l=e[r];e[r+1],e[r+2];if(1===l){var p=a(e,r+3);switch(p){case 16:case 17:case 18:break;default:h("Unknown colorspace "+p)}}else 2===l&&d("ICC profile not supported");break;case 1785737827:this.parseCodestream(e,r,r+f);break;case 1783636e3:218793738!==a(e,r)&&h("Invalid JP2 signature");break;case 1783634458:case 1718909296:case 1920099697:case 1919251232:case 1768449138:break;default:var g=String.fromCharCode(u>>24&255,u>>16&255,u>>8&255,255&u);h("Unsupported header type "+u+" ("+g+")")}c&&(r+=f)}},parseImageProperties:function(e){for(var t=e.getByte();t>=0;){var r=t;t=e.getByte();var n=r<<8|t;if(65361===n){e.skip(4);var i=e.getInt32()>>>0,a=e.getInt32()>>>0,o=e.getInt32()>>>0,s=e.getInt32()>>>0;e.skip(16);var u=e.getUint16();return this.width=i-o,this.height=a-s,this.componentsCount=u,void(this.bitsPerComponent=8)}}throw new Error("JPX Error: No size marker found in JPX stream")},parseCodestream:function(e,t,o){var s={};try{for(var u=!1,f=t;f+1<o;){var c=n(e,f);f+=2;var l,d,p,g,m,v,_=0;switch(c){case 65359:s.mainHeader=!0;break;case 65497:break;case 65361:_=n(e,f);var w={};w.Xsiz=a(e,f+4),w.Ysiz=a(e,f+8),w.XOsiz=a(e,f+12),w.YOsiz=a(e,f+16),w.XTsiz=a(e,f+20),w.YTsiz=a(e,f+24),w.XTOsiz=a(e,f+28),w.YTOsiz=a(e,f+32);var x=n(e,f+36);w.Csiz=x;var k=[];l=f+38;for(var A=0;A<x;A++){var I={precision:(127&e[l])+1,isSigned:!!(128&e[l]),XRsiz:e[l+1],YRsiz:e[l+1]};r(I,w),k.push(I)}s.SIZ=w,s.components=k,i(s,k),s.QCC=[],s.COC=[];break;case 65372:_=n(e,f);var T={};switch(l=f+2,d=e[l++],31&d){case 0:g=8,m=!0;break;case 1:g=16,m=!1;break;case 2:g=16,m=!0;break;default:throw new Error("JPX Error: Invalid SQcd value "+d)}for(T.noQuantization=8===g,T.scalarExpounded=m,T.guardBits=d>>5,p=[];l<_+f;){var L={};8===g?(L.epsilon=e[l++]>>3,L.mu=0):(L.epsilon=e[l]>>3,L.mu=(7&e[l])<<8|e[l+1],l+=2),p.push(L)}T.SPqcds=p,s.mainHeader?s.QCD=T:(s.currentTile.QCD=T,s.currentTile.QCC=[]);break;case 65373:_=n(e,f);var M={};l=f+2;var R;switch(s.SIZ.Csiz<257?R=e[l++]:(R=n(e,l),l+=2),d=e[l++],31&d){case 0:g=8,m=!0;break;case 1:g=16,m=!1;break;case 2:g=16,m=!0;break;default:throw new Error("JPX Error: Invalid SQcd value "+d)}for(M.noQuantization=8===g,M.scalarExpounded=m,M.guardBits=d>>5,p=[];l<_+f;)L={},8===g?(L.epsilon=e[l++]>>3,L.mu=0):(L.epsilon=e[l]>>3,L.mu=(7&e[l])<<8|e[l+1],l+=2),p.push(L);M.SPqcds=p,s.mainHeader?s.QCC[R]=M:s.currentTile.QCC[R]=M;break;case 65362:_=n(e,f);var C={};l=f+2;var P=e[l++];C.entropyCoderWithCustomPrecincts=!!(1&P),C.sopMarkerUsed=!!(2&P),C.ephMarkerUsed=!!(4&P),C.progressionOrder=e[l++],C.layersCount=n(e,l),l+=2,C.multipleComponentTransform=e[l++],C.decompositionLevelsCount=e[l++],C.xcb=(15&e[l++])+2,C.ycb=(15&e[l++])+2;var B=e[l++];if(C.selectiveArithmeticCodingBypass=!!(1&B),C.resetContextProbabilities=!!(2&B),C.terminationOnEachCodingPass=!!(4&B),C.verticalyStripe=!!(8&B),C.predictableTermination=!!(16&B),C.segmentationSymbolUsed=!!(32&B),C.reversibleTransformation=e[l++],C.entropyCoderWithCustomPrecincts){for(var D=[];l<_+f;){var U=e[l++];D.push({PPx:15&U,PPy:U>>4})}C.precinctsSizes=D}var z=[];if(C.selectiveArithmeticCodingBypass&&z.push("selectiveArithmeticCodingBypass"),C.resetContextProbabilities&&z.push("resetContextProbabilities"),C.terminationOnEachCodingPass&&z.push("terminationOnEachCodingPass"),C.verticalyStripe&&z.push("verticalyStripe"),C.predictableTermination&&z.push("predictableTermination"),z.length>0)throw u=!0,new Error("JPX Error: Unsupported COD options ("+z.join(", ")+")");s.mainHeader?s.COD=C:(s.currentTile.COD=C,s.currentTile.COC=[]);break;case 65424:_=n(e,f),v={},v.index=n(e,f+2),v.length=a(e,f+4),v.dataEnd=v.length+f-2,v.partIndex=e[f+8],v.partsCount=e[f+9],s.mainHeader=!1,0===v.partIndex&&(v.COD=s.COD,v.COC=s.COC.slice(0),v.QCD=s.QCD,v.QCC=s.QCC.slice(0)),s.currentTile=v;break;case 65427:v=s.currentTile,0===v.partIndex&&(S(s,v.index),b(s)),_=v.dataEnd-f,y(s,e,f,_);break;case 65365:case 65367:case 65368:case 65380:_=n(e,f);break;case 65363:throw new Error("JPX Error: Codestream code 0xFF53 (COC) is not implemented");default:throw new Error("JPX Error: Unknown codestream code: "+c.toString(16))}f+=_}}catch(e){if(u||this.failOnCorruptedImage)throw e;h("Trying to recover from "+e.message)}this.tiles=E(s),this.width=s.SIZ.Xsiz-s.SIZ.XOsiz,this.height=s.SIZ.Ysiz-s.SIZ.YOsiz,this.componentsCount=s.SIZ.Csiz}};var I=function(){function e(e,r){var n=t(Math.max(e,r))+1;this.levels=[];for(var i=0;i<n;i++){var a={width:e,height:r,items:[]};this.levels.push(a),e=Math.ceil(e/2),r=Math.ceil(r/2)}}return e.prototype={reset:function(e,t){for(var r,n=0,i=0;n<this.levels.length;){r=this.levels[n];var a=e+t*r.width;if(void 0!==r.items[a]){i=r.items[a];break}r.index=a,e>>=1,t>>=1,n++}n--,r=this.levels[n],r.items[r.index]=i,this.currentLevel=n,delete this.value},incrementValue:function(){var e=this.levels[this.currentLevel];e.items[e.index]++},nextLevel:function(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];return e--,e<0?(this.value=r,!1):(this.currentLevel=e,t=this.levels[e],t.items[t.index]=r,!0)}},e}(),T=function(){function e(e,r,n){var i=t(Math.max(e,r))+1;this.levels=[];for(var a=0;a<i;a++){for(var o=new Uint8Array(e*r),s=0,u=o.length;s<u;s++)o[s]=n;var f={width:e,height:r,items:o};this.levels.push(f),e=Math.ceil(e/2),r=Math.ceil(r/2)}}return e.prototype={reset:function(e,t,r){for(var n=0;n<this.levels.length;){var i=this.levels[n],a=e+t*i.width;i.index=a;var o=i.items[a];if(255===o)break;if(o>r)return this.currentLevel=n,this.propagateValues(),!1;e>>=1,t>>=1,n++}return this.currentLevel=n-1,!0},incrementValue:function(e){var t=this.levels[this.currentLevel];t.items[t.index]=e+1,this.propagateValues()},propagateValues:function(){for(var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];--e>=0;)t=this.levels[e],t.items[t.index]=r},nextLevel:function(){var e=this.currentLevel,t=this.levels[e],r=t.items[t.index];return t.items[t.index]=255,e--,!(e<0)&&(this.currentLevel=e,t=this.levels[e],t.items[t.index]=r,!0)}},e}(),L=function(){function e(e,t,r,o,s){this.width=e,this.height=t,this.contextLabelTable="HH"===r?a:"HL"===r?i:n;var u=e*t;this.neighborsSignificance=new Uint8Array(u),this.coefficentsSign=new Uint8Array(u),this.coefficentsMagnitude=s>14?new Uint32Array(u):s>6?new Uint16Array(u):new Uint8Array(u),this.processingFlags=new Uint8Array(u);
+var f=new Uint8Array(u);if(0!==o)for(var c=0;c<u;c++)f[c]=o;this.bitsDecoded=f,this.reset()}var t=17,r=18,n=new Uint8Array([0,5,8,0,3,7,8,0,4,7,8,0,0,0,0,0,1,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8,0,0,0,0,0,2,6,8,0,3,7,8,0,4,7,8]),i=new Uint8Array([0,3,4,0,5,7,7,0,8,8,8,0,0,0,0,0,1,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8,0,0,0,0,0,2,3,4,0,6,7,7,0,8,8,8]),a=new Uint8Array([0,1,2,0,1,2,2,0,2,2,2,0,0,0,0,0,3,4,5,0,4,5,5,0,5,5,5,0,0,0,0,0,6,7,7,0,7,7,7,0,7,7,7,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8,0,0,0,0,0,8,8,8,0,8,8,8,0,8,8,8]);return e.prototype={setDecoder:function(e){this.decoder=e},reset:function(){this.contexts=new Int8Array(19),this.contexts[0]=8,this.contexts[t]=92,this.contexts[r]=6},setNeighborsSignificance:function(e,t,r){var n,i=this.neighborsSignificance,a=this.width,o=this.height,s=t>0,u=t+1<a;e>0&&(n=r-a,s&&(i[n-1]+=16),u&&(i[n+1]+=16),i[n]+=4),e+1<o&&(n=r+a,s&&(i[n-1]+=16),u&&(i[n+1]+=16),i[n]+=4),s&&(i[r-1]+=1),u&&(i[r+1]+=1),i[r]|=128},runSignificancePropogationPass:function(){for(var e=this.decoder,t=this.width,r=this.height,n=this.coefficentsMagnitude,i=this.coefficentsSign,a=this.neighborsSignificance,o=this.processingFlags,s=this.contexts,u=this.contextLabelTable,f=this.bitsDecoded,c=-2,l=1,h=2,d=0;d<r;d+=4)for(var p=0;p<t;p++)for(var g=d*t+p,m=0;m<4;m++,g+=t){var v=d+m;if(v>=r)break;if(o[g]&=c,!n[g]&&a[g]){var _=u[a[g]],w=e.readBit(s,_);if(w){var b=this.decodeSignBit(v,p,g);i[g]=b,n[g]=1,this.setNeighborsSignificance(v,p,g),o[g]|=h}f[g]++,o[g]|=l}}},decodeSignBit:function(e,t,r){var n,i,a,o,s,u,f=this.width,c=this.height,l=this.coefficentsMagnitude,h=this.coefficentsSign;o=t>0&&0!==l[r-1],t+1<f&&0!==l[r+1]?(a=h[r+1],o?(i=h[r-1],n=1-a-i):n=1-a-a):o?(i=h[r-1],n=1-i-i):n=0;var d=3*n;return o=e>0&&0!==l[r-f],e+1<c&&0!==l[r+f]?(a=h[r+f],o?(i=h[r-f],n=1-a-i+d):n=1-a-a+d):o?(i=h[r-f],n=1-i-i+d):n=d,n>=0?(s=9+n,u=this.decoder.readBit(this.contexts,s)):(s=9-n,u=1^this.decoder.readBit(this.contexts,s)),u},runMagnitudeRefinementPass:function(){for(var e,t=this.decoder,r=this.width,n=this.height,i=this.coefficentsMagnitude,a=this.neighborsSignificance,o=this.contexts,s=this.bitsDecoded,u=this.processingFlags,f=1,c=2,l=r*n,h=4*r,d=0;d<l;d=e){e=Math.min(l,d+h);for(var p=0;p<r;p++)for(var g=d+p;g<e;g+=r)if(i[g]&&0===(u[g]&f)){var m=16;if(0!==(u[g]&c)){u[g]^=c;var v=127&a[g];m=0===v?15:14}var _=t.readBit(o,m);i[g]=i[g]<<1|_,s[g]++,u[g]|=f}}},runCleanupPass:function(){for(var e,n=this.decoder,i=this.width,a=this.height,o=this.neighborsSignificance,s=this.coefficentsMagnitude,u=this.coefficentsSign,f=this.contexts,c=this.contextLabelTable,l=this.bitsDecoded,h=this.processingFlags,d=1,p=2,g=i,m=2*i,v=3*i,_=0;_<a;_=e){e=Math.min(_+4,a);for(var w=_*i,b=_+3<a,y=0;y<i;y++){var x,k=w+y,E=b&&0===h[k]&&0===h[k+g]&&0===h[k+m]&&0===h[k+v]&&0===o[k]&&0===o[k+g]&&0===o[k+m]&&0===o[k+v],S=0,A=k,I=_;if(E){var T=n.readBit(f,r);if(!T){l[k]++,l[k+g]++,l[k+m]++,l[k+v]++;continue}S=n.readBit(f,t)<<1|n.readBit(f,t),0!==S&&(I=_+S,A+=S*i),x=this.decodeSignBit(I,y,A),u[A]=x,s[A]=1,this.setNeighborsSignificance(I,y,A),h[A]|=p,A=k;for(var L=_;L<=I;L++,A+=i)l[A]++;S++}for(I=_+S;I<e;I++,A+=i)if(!s[A]&&0===(h[A]&d)){var M=c[o[A]],R=n.readBit(f,M);1===R&&(x=this.decodeSignBit(I,y,A),u[A]=x,s[A]=1,this.setNeighborsSignificance(I,y,A),h[A]|=p),l[A]++}}}},checkSegmentationSymbol:function(){var e=this.decoder,r=this.contexts,n=e.readBit(r,t)<<3|e.readBit(r,t)<<2|e.readBit(r,t)<<1|e.readBit(r,t);if(10!==n)throw new Error("JPX Error: Invalid segmentation symbol")}},e}(),M=function(){function e(){}return e.prototype.calculate=function(e,t,r){for(var n=e[0],i=1,a=e.length;i<a;i++)n=this.iterate(n,e[i],t,r);return n},e.prototype.extend=function(e,t,r){var n=t-1,i=t+1,a=t+r-2,o=t+r;e[n--]=e[i++],e[o++]=e[a--],e[n--]=e[i++],e[o++]=e[a--],e[n--]=e[i++],e[o++]=e[a--],e[n]=e[i],e[o]=e[a]},e.prototype.iterate=function(e,t,r,n){var i,a,o,s,u,f,c=e.width,l=e.height,h=e.items,d=t.width,p=t.height,g=t.items;for(o=0,i=0;i<l;i++)for(s=2*i*d,a=0;a<c;a++,o++,s+=2)g[s]=h[o];h=e.items=null;var m=4,v=new Float32Array(d+2*m);if(1===d){if(0!==(1&r))for(f=0,o=0;f<p;f++,o+=d)g[o]*=.5}else for(f=0,o=0;f<p;f++,o+=d)v.set(g.subarray(o,o+d),m),this.extend(v,m,d),this.filter(v,m,d),g.set(v.subarray(m,m+d),o);var _=16,w=[];for(i=0;i<_;i++)w.push(new Float32Array(p+2*m));var b,y=0;if(e=m+p,1===p){if(0!==(1&n))for(u=0;u<d;u++)g[u]*=.5}else for(u=0;u<d;u++){if(0===y){for(_=Math.min(d-u,_),o=u,s=m;s<e;o+=d,s++)for(b=0;b<_;b++)w[b][s]=g[o+b];y=_}y--;var x=w[y];if(this.extend(x,m,p),this.filter(x,m,p),0===y)for(o=u-_+1,s=m;s<e;o+=d,s++)for(b=0;b<_;b++)g[o+b]=w[b][s]}return{width:d,height:p,items:g}},e}(),R=function(){function e(){M.call(this)}return e.prototype=Object.create(M.prototype),e.prototype.filter=function(e,t,r){var n=r>>1;t|=0;var i,a,o,s,u=-1.586134342059924,f=-.052980118572961,c=.882911075530934,l=.443506852043971,h=1.230174104914001,d=1/h;for(i=t-3,a=n+4;a--;i+=2)e[i]*=d;for(i=t-2,o=l*e[i-1],a=n+3;a--&&(s=l*e[i+1],e[i]=h*e[i]-o-s,a--);i+=2)i+=2,o=l*e[i+1],e[i]=h*e[i]-o-s;for(i=t-1,o=c*e[i-1],a=n+2;a--&&(s=c*e[i+1],e[i]-=o+s,a--);i+=2)i+=2,o=c*e[i+1],e[i]-=o+s;for(i=t,o=f*e[i-1],a=n+1;a--&&(s=f*e[i+1],e[i]-=o+s,a--);i+=2)i+=2,o=f*e[i+1],e[i]-=o+s;if(0!==n)for(i=t+1,o=u*e[i-1],a=n;a--&&(s=u*e[i+1],e[i]-=o+s,a--);i+=2)i+=2,o=u*e[i+1],e[i]-=o+s},e}(),C=function(){function e(){M.call(this)}return e.prototype=Object.create(M.prototype),e.prototype.filter=function(e,t,r){var n=r>>1;t|=0;var i,a;for(i=t,a=n+1;a--;i+=2)e[i]-=e[i-1]+e[i+1]+2>>2;for(i=t+1,a=n;a--;i+=2)e[i]+=e[i-1]+e[i+1]>>1},e}();return e}(),c=function(){function e(){}function i(e,t,r){this.data=e,this.start=t,this.end=r}function s(e,t,r){function n(e){for(var t=0,n=0;n<e;n++){var o=r.readBit(i,a);a=a<256?a<<1|o:511&(a<<1|o)|256,t=t<<1|o}return t>>>0}var i=e.getContexts(t),a=1,o=n(1),s=n(1)?n(1)?n(1)?n(1)?n(1)?n(32)+4436:n(12)+340:n(8)+84:n(6)+20:n(4)+4:n(2);return 0===o?s:s>0?-s:null}function f(e,t,r){for(var n=e.getContexts("IAID"),i=1,a=0;a<r;a++){var o=t.readBit(n,i);i=i<<1|o}return r<31?i&(1<<r)-1:2147483647&i}function c(e,t,r){var n,i,a,o,s,u,f,c=r.decoder,l=r.contextCache.getContexts("GB"),h=[],d=31735;for(i=0;i<t;i++)for(s=h[i]=new Uint8Array(e),u=i<1?s:h[i-1],f=i<2?s:h[i-2],n=f[0]<<13|f[1]<<12|f[2]<<11|u[0]<<7|u[1]<<6|u[2]<<5|u[3]<<4,a=0;a<e;a++)s[a]=o=c.readBit(l,n),n=(n&d)<<1|(a+3<e?f[a+3]<<11:0)|(a+4<e?u[a+4]<<4:0)|o;return h}function h(e,t,r,n,i,a,o,s){if(e&&l("JBIG2 error: MMR encoding is not supported"),0===n&&!a&&!i&&4===o.length&&3===o[0].x&&o[0].y===-1&&o[1].x===-3&&o[1].y===-1&&2===o[2].x&&o[2].y===-2&&o[3].x===-2&&o[3].y===-2)return c(t,r,s);var u=!!a,f=S[n].concat(o);f.sort(function(e,t){return e.y-t.y||e.x-t.x});var h,d,p=f.length,g=new Int8Array(p),m=new Int8Array(p),v=[],_=0,w=0,b=0,y=0;for(d=0;d<p;d++)g[d]=f[d].x,m[d]=f[d].y,w=Math.min(w,f[d].x),b=Math.max(b,f[d].x),y=Math.min(y,f[d].y),d<p-1&&f[d].y===f[d+1].y&&f[d].x===f[d+1].x-1?_|=1<<p-1-d:v.push(d);var x=v.length,k=new Int8Array(x),E=new Int8Array(x),A=new Uint16Array(x);for(h=0;h<x;h++)d=v[h],k[h]=f[d].x,E[h]=f[d].y,A[h]=1<<p-1-d;for(var T,L,M,R,C,P=-w,B=-y,D=t-b,U=I[n],z=new Uint8Array(t),O=[],F=s.decoder,N=s.contextCache.getContexts("GB"),j=0,Z=0,q=0;q<r;q++){if(i){var G=F.readBit(N,U);if(j^=G){O.push(z);continue}}for(z=new Uint8Array(z),O.push(z),T=0;T<t;T++)if(u&&a[q][T])z[T]=0;else{if(T>=P&&T<D&&q>=B)for(Z=Z<<1&_,d=0;d<x;d++)L=q+E[d],M=T+k[d],R=O[L][M],R&&(R=A[d],Z|=R);else for(Z=0,C=p-1,d=0;d<p;d++,C--)M=T+g[d],M>=0&&M<t&&(L=q+m[d],L>=0&&(R=O[L][M],R&&(Z|=R<<C)));var H=F.readBit(N,Z);z[T]=H}}return O}function d(e,t,r,n,i,a,o,s,u){var f=A[r].coding;0===r&&(f=f.concat([s[0]]));var c,h=f.length,d=new Int32Array(h),p=new Int32Array(h);for(c=0;c<h;c++)d[c]=f[c].x,p[c]=f[c].y;var g=A[r].reference;0===r&&(g=g.concat([s[1]]));var m=g.length,v=new Int32Array(m),_=new Int32Array(m);for(c=0;c<m;c++)v[c]=g[c].x,_[c]=g[c].y;for(var w=n[0].length,b=n.length,y=T[r],x=[],k=u.decoder,E=u.contextCache.getContexts("GR"),S=0,I=0;I<t;I++){if(o){var L=k.readBit(E,y);S^=L,S&&l("JBIG2 error: prediction is not supported")}var M=new Uint8Array(e);x.push(M);for(var R=0;R<e;R++){var C,P,B=0;for(c=0;c<h;c++)C=I+p[c],P=R+d[c],C<0||P<0||P>=e?B<<=1:B=B<<1|x[C][P];for(c=0;c<m;c++)C=I+_[c]+a,P=R+v[c]+i,C<0||C>=b||P<0||P>=w?B<<=1:B=B<<1|n[C][P];var D=k.readBit(E,B);M[R]=D}}return x}function p(e,r,n,i,a,o,u,c,p,m,v){e&&l("JBIG2 error: huffman is not supported");for(var _=[],w=0,b=t(n.length+i),y=v.decoder,x=v.contextCache;_.length<i;){var k=s(x,"IADH",y);w+=k;for(var E=0,S=0;;){var A=s(x,"IADW",y);if(null===A)break;E+=A,S+=E;var I;if(r){var T=s(x,"IAAI",y);if(T>1)I=g(e,r,E,w,0,T,1,n.concat(_),b,0,0,1,0,o,p,m,v);else{var L=f(x,y,b),M=s(x,"IARDX",y),R=s(x,"IARDY",y),C=L<n.length?n[L]:_[L-n.length];I=d(E,w,p,C,M,R,!1,m,v)}}else I=h(!1,E,w,u,!1,null,c,v);_.push(I)}}for(var P=[],B=[],D=!1,U=n.length+i;B.length<U;){for(var z=s(x,"IAEX",y);z--;)B.push(D);D=!D}for(var O=0,F=n.length;O<F;O++)B[O]&&P.push(n[O]);for(var N=0;N<i;O++,N++)B[O]&&P.push(_[N]);return P}function g(e,t,r,n,i,a,o,u,c,h,p,g,m,v,_,w,b){e&&l("JBIG2 error: huffman is not supported");var y,x,k=[];for(y=0;y<n;y++){if(x=new Uint8Array(r),i)for(var E=0;E<r;E++)x[E]=i;k.push(x)}var S=b.decoder,A=b.contextCache,I=-s(A,"IADT",S),T=0;for(y=0;y<a;){var L=s(A,"IADT",S);I+=L;var M=s(A,"IAFS",S);T+=M;for(var R=T;;){var C=1===o?0:s(A,"IAIT",S),P=o*I+C,B=f(A,S,c),D=t&&s(A,"IARI",S),U=u[B],z=U[0].length,O=U.length;if(D){var F=s(A,"IARDW",S),N=s(A,"IARDH",S),j=s(A,"IARDX",S),Z=s(A,"IARDY",S);z+=F,O+=N,U=d(z,O,_,U,(F>>1)+j,(N>>1)+Z,!1,w,b)}var q,G,H,W=P-(1&g?0:O),V=R-(2&g?z:0);if(h){for(q=0;q<O;q++)if(x=k[V+q]){H=U[q];var X=Math.min(r-W,z);switch(m){case 0:for(G=0;G<X;G++)x[W+G]|=H[G];break;case 2:for(G=0;G<X;G++)x[W+G]^=H[G];break;default:l("JBIG2 error: operator "+m+" is not supported")}}R+=O-1}else{for(G=0;G<O;G++)if(x=k[W+G])switch(H=U[G],m){case 0:for(q=0;q<z;q++)x[V+q]|=H[q];break;case 2:for(q=0;q<z;q++)x[V+q]^=H[q];break;default:l("JBIG2 error: operator "+m+" is not supported")}R+=z-1}y++;var Y=s(A,"IADS",S);if(null===Y)break;R+=Y+p}}return k}function m(e,t){var r={};r.number=a(e,t);var i=e[t+4],o=63&i;E[o]||l("JBIG2 error: invalid segment type: "+o),r.type=o,r.typeName=E[o],r.deferredNonRetain=!!(128&i);var s=!!(64&i),u=e[t+5],f=u>>5&7,c=[31&u],h=t+6;if(7===u){f=536870911&a(e,h-1),h+=3;var d=f+7>>3;for(c[0]=e[h++];--d>0;)c.push(e[h++])}else 5!==u&&6!==u||l("JBIG2 error: invalid referred-to flags");r.retainBits=c;var p,g,m=r.number<=256?1:r.number<=65536?2:4,v=[];for(p=0;p<f;p++){var w=1===m?e[h]:2===m?n(e,h):a(e,h);v.push(w),h+=m}if(r.referredTo=v,s?(r.pageAssociation=a(e,h),h+=4):r.pageAssociation=e[h++],r.length=a(e,h),h+=4,4294967295===r.length)if(38===o){var b=_(e,h),y=e[h+L],x=!!(1&y),k=6,S=new Uint8Array(k);for(x||(S[0]=255,S[1]=172),S[2]=b.height>>>24&255,S[3]=b.height>>16&255,S[4]=b.height>>8&255,S[5]=255&b.height,p=h,g=e.length;p<g;p++){for(var A=0;A<k&&S[A]===e[p+A];)A++;if(A===k){r.length=p+k;break}}4294967295===r.length&&l("JBIG2 error: segment end was not found")}else l("JBIG2 error: invalid unknown segment length");return r.headerEnd=h,r}function v(e,t,r,n){for(var i=[],a=r;a<n;){var o=m(t,a);a=o.headerEnd;var s={header:o,data:t};if(e.randomAccess||(s.start=a,a+=o.length,s.end=a),i.push(s),51===o.type)break}if(e.randomAccess)for(var u=0,f=i.length;u<f;u++)i[u].start=a,a+=i[u].header.length,i[u].end=a;return i}function _(e,t){return{width:a(e,t),height:a(e,t+4),x:a(e,t+8),y:a(e,t+12),combinationOperator:7&e[t+16]}}function w(e,t){var i,o,s,u,f=e.header,c=e.data,h=e.start,d=e.end;switch(f.type){case 0:var p={},g=n(c,h);if(p.huffman=!!(1&g),p.refinement=!!(2&g),p.huffmanDHSelector=g>>2&3,p.huffmanDWSelector=g>>4&3,p.bitmapSizeSelector=g>>6&1,p.aggregationInstancesSelector=g>>7&1,p.bitmapCodingContextUsed=!!(256&g),p.bitmapCodingContextRetained=!!(512&g),p.template=g>>10&3,p.refinementTemplate=g>>12&1,h+=2,!p.huffman){for(u=0===p.template?4:1,o=[],s=0;s<u;s++)o.push({x:r(c,h),y:r(c,h+1)}),h+=2;p.at=o}if(p.refinement&&!p.refinementTemplate){for(o=[],s=0;s<2;s++)o.push({x:r(c,h),y:r(c,h+1)}),h+=2;p.refinementAt=o}p.numberOfExportedSymbols=a(c,h),h+=4,p.numberOfNewSymbols=a(c,h),h+=4,i=[p,f.number,f.referredTo,c,h,d];break;case 6:case 7:var m={};m.info=_(c,h),h+=L;var v=n(c,h);if(h+=2,m.huffman=!!(1&v),m.refinement=!!(2&v),m.stripSize=1<<(v>>2&3),m.referenceCorner=v>>4&3,m.transposed=!!(64&v),m.combinationOperator=v>>7&3,m.defaultPixelValue=v>>9&1,m.dsOffset=v<<17>>27,m.refinementTemplate=v>>15&1,m.huffman){var w=n(c,h);h+=2,m.huffmanFS=3&w,m.huffmanDS=w>>2&3,m.huffmanDT=w>>4&3,m.huffmanRefinementDW=w>>6&3,m.huffmanRefinementDH=w>>8&3,m.huffmanRefinementDX=w>>10&3,m.huffmanRefinementDY=w>>12&3,m.huffmanRefinementSizeSelector=!!(14&w)}if(m.refinement&&!m.refinementTemplate){for(o=[],s=0;s<2;s++)o.push({x:r(c,h),y:r(c,h+1)}),h+=2;m.refinementAt=o}m.numberOfSymbolInstances=a(c,h),h+=4,m.huffman&&l("JBIG2 error: huffman is not supported"),i=[m,f.referredTo,c,h,d];break;case 38:case 39:var b={};b.info=_(c,h),h+=L;var y=c[h++];if(b.mmr=!!(1&y),b.template=y>>1&3,b.prediction=!!(8&y),!b.mmr){for(u=0===b.template?4:1,o=[],s=0;s<u;s++)o.push({x:r(c,h),y:r(c,h+1)}),h+=2;b.at=o}i=[b,c,h,d];break;case 48:var x={width:a(c,h),height:a(c,h+4),resolutionX:a(c,h+8),resolutionY:a(c,h+12)};4294967295===x.height&&delete x.height;var k=c[h+16];n(c,h+17);x.lossless=!!(1&k),x.refinement=!!(2&k),x.defaultPixelValue=k>>2&1,x.combinationOperator=k>>3&3,x.requiresBuffer=!!(32&k),x.combinationOperatorOverride=!!(64&k),i=[x];break;case 49:break;case 50:break;case 51:break;case 62:break;default:l("JBIG2 error: segment type "+f.typeName+"("+f.type+") is not implemented")}var E="on"+f.typeName;E in t&&t[E].apply(t,i)}function b(e,t){for(var r=0,n=e.length;r<n;r++)w(e[r],t)}function y(e){for(var t=new x,r=0,n=e.length;r<n;r++){var i=e[r],a=v({},i.data,i.start,i.end);b(a,t)}return t}function x(){}function k(){}e.prototype={getContexts:function(e){return e in this?this[e]:this[e]=new Int8Array(65536)}},i.prototype={get decoder(){var e=new u(this.data,this.start,this.end);return o(this,"decoder",e)},get contextCache(){var t=new e;return o(this,"contextCache",t)}};var 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x.prototype={onPageInformation:function(e){this.currentPageInfo=e;var t=e.width+7>>3,r=new Uint8Array(t*e.height);if(e.defaultPixelValue)for(var n=0,i=r.length;n<i;n++)r[n]=255;this.buffer=r},drawBitmap:function(e,t){var r,n,i,a,o=this.currentPageInfo,s=e.width,u=e.height,f=o.width+7>>3,c=o.combinationOperatorOverride?e.combinationOperator:o.combinationOperator,h=this.buffer,d=128>>(7&e.x),p=e.y*f+(e.x>>3);switch(c){case 0:for(r=0;r<u;r++){for(i=d,a=p,n=0;n<s;n++)t[r][n]&&(h[a]|=i),i>>=1,i||(i=128,a++);p+=f}break;case 2:for(r=0;r<u;r++){for(i=d,a=p,n=0;n<s;n++)t[r][n]&&(h[a]^=i),i>>=1,i||(i=128,a++);p+=f}break;default:l("JBIG2 error: operator "+c+" is not supported")}},onImmediateGenericRegion:function(e,t,r,n){var a=e.info,o=new i(t,r,n),s=h(e.mmr,a.width,a.height,e.template,e.prediction,null,e.at,o);this.drawBitmap(a,s)},onImmediateLosslessGenericRegion:function(){this.onImmediateGenericRegion.apply(this,arguments)},onSymbolDictionary:function(e,t,r,n,a,o){var s;e.huffman&&l("JBIG2 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t!==O?N:s.wrap<=0?j:(2===s.wrap?(u(s,255&e.adler),u(s,e.adler>>8&255),u(s,e.adler>>16&255),u(s,e.adler>>24&255),u(s,255&e.total_in),u(s,e.total_in>>8&255),u(s,e.total_in>>16&255),u(s,e.total_in>>24&255)):(f(s,e.adler>>>16),f(s,65535&e.adler)),o(e),s.wrap>0&&(s.wrap=-s.wrap),0!==s.pending?N:j)}function I(e){var t;return e&&e.state?(t=e.state.status,t!==de&&t!==pe&&t!==ge&&t!==me&&t!==ve&&t!==_e&&t!==we?n(e,Z):(e.state=null,t===_e?n(e,q):N)):Z}function T(e,t){var r,n,i,o,s,u,f,c,l=t.length;if(!e||!e.state)return Z;if(r=e.state,o=r.wrap,2===o||1===o&&r.status!==de||r.lookahead)return Z;for(1===o&&(e.adler=C(e.adler,t,l,0)),r.wrap=0,l>=r.w_size&&(0===o&&(a(r.head),r.strstart=0,r.block_start=0,r.insert=0),c=new M.Buf8(r.w_size),M.arraySet(c,t,l-r.w_size,r.w_size,0),t=c,l=r.w_size),s=e.avail_in,u=e.next_in,f=e.input,e.avail_in=l,e.next_in=0,e.input=t,h(r);r.lookahead>=fe;){n=r.strstart,i=r.lookahead-(fe-1);do 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_(32,258,258,4096,g)],r.deflateInit=S,r.deflateInit2=E,r.deflateReset=x,r.deflateResetKeep=y,r.deflateSetHeader=k,r.deflate=A,r.deflateEnd=I,r.deflateSetDictionary=T,r.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":30,"./adler32":31,"./crc32":33,"./messages":38,"./trees":39}],35:[function(e,t,r){"use strict";var n=30,i=12;t.exports=function(e,t){var r,a,o,s,u,f,c,l,h,d,p,g,m,v,_,w,b,y,x,k,E,S,A,I,T;r=e.state,a=e.next_in,I=e.input,o=a+(e.avail_in-5),s=e.next_out,T=e.output,u=s-(t-e.avail_out),f=s+(e.avail_out-257),c=r.dmax,l=r.wsize,h=r.whave,d=r.wnext,p=r.window,g=r.hold,m=r.bits,v=r.lencode,_=r.distcode,w=(1<<r.lenbits)-1,b=(1<<r.distbits)-1;e:do{m<15&&(g+=I[a++]<<m,m+=8,g+=I[a++]<<m,m+=8),y=v[g&w];t:for(;;){if(x=y>>>24,g>>>=x,m-=x,x=y>>>16&255,0===x)T[s++]=65535&y;else{if(!(16&x)){if(0===(64&x)){y=v[(65535&y)+(g&(1<<x)-1)];continue t}if(32&x){r.mode=i;break e}e.msg="invalid literal/length code",r.mode=n;break e}k=65535&y,x&=15,x&&(m<x&&(g+=I[a++]<<m,m+=8),k+=g&(1<<x)-1,g>>>=x,m-=x),m<15&&(g+=I[a++]<<m,m+=8,g+=I[a++]<<m,m+=8),y=_[g&b];r:for(;;){if(x=y>>>24,g>>>=x,m-=x,x=y>>>16&255,!(16&x)){if(0===(64&x)){y=_[(65535&y)+(g&(1<<x)-1)];continue r}e.msg="invalid distance code",r.mode=n;break e}if(E=65535&y,x&=15,m<x&&(g+=I[a++]<<m,m+=8,m<x&&(g+=I[a++]<<m,m+=8)),E+=g&(1<<x)-1,E>c){e.msg="invalid distance too far back",r.mode=n;break e}if(g>>>=x,m-=x,x=s-u,E>x){if(x=E-x,x>h&&r.sane){e.msg="invalid distance too far back",r.mode=n;break e}if(S=0,A=p,0===d){if(S+=l-x,x<k){k-=x;do T[s++]=p[S++];while(--x);S=s-E,A=T}}else if(d<x){if(S+=l+d-x,x-=d,x<k){k-=x;do T[s++]=p[S++];while(--x);if(S=0,d<k){x=d,k-=x;do T[s++]=p[S++];while(--x);S=s-E,A=T}}}else if(S+=d-x,x<k){k-=x;do T[s++]=p[S++];while(--x);S=s-E,A=T}for(;k>2;)T[s++]=A[S++],T[s++]=A[S++],T[s++]=A[S++],k-=3;k&&(T[s++]=A[S++],k>1&&(T[s++]=A[S++]))}else{S=s-E;do T[s++]=T[S++],T[s++]=T[S++],T[s++]=T[S++],k-=3;while(k>2);k&&(T[s++]=T[S++],k>1&&(T[s++]=T[S++]))}break}}break}}while(a<o&&s<f);k=m>>3,a-=k,m-=k<<3,g&=(1<<m)-1,e.next_in=a,e.next_out=s,e.avail_in=a<o?5+(o-a):5-(a-o),e.avail_out=s<f?257+(f-s):257-(s-f),r.hold=g,r.bits=m}},{}],36:[function(e,t,r){"use strict";function n(e){return(e>>>24&255)+(e>>>8&65280)+((65280&e)<<8)+((255&e)<<24)}function i(){this.mode=0,this.last=!1,this.wrap=0,this.havedict=!1,this.flags=0,this.dmax=0,this.check=0,this.total=0,this.head=null,this.wbits=0,this.wsize=0,this.whave=0,this.wnext=0,this.window=null,this.hold=0,this.bits=0,this.length=0,this.offset=0,this.extra=0,this.lencode=null,this.distcode=null,this.lenbits=0,this.distbits=0,this.ncode=0,this.nlen=0,this.ndist=0,this.have=0,this.next=null,this.lens=new _.Buf16(320),this.work=new _.Buf16(288),this.lendyn=null,this.distdyn=null,this.sane=0,this.back=0,this.was=0}function a(e){var t;return e&&e.state?(t=e.state,e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=z,t.last=0,t.havedict=0,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new _.Buf32(ge),t.distcode=t.distdyn=new _.Buf32(me),t.sane=1,t.back=-1,L):C}function o(e){var t;return e&&e.state?(t=e.state,t.wsize=0,t.whave=0,t.wnext=0,a(e)):C}function s(e,t){var r,n;return e&&e.state?(n=e.state,t<0?(r=0,t=-t):(r=(t>>4)+1,t<48&&(t&=15)),t&&(t<8||t>15)?C:(null!==n.window&&n.wbits!==t&&(n.window=null),n.wrap=r,n.wbits=t,o(e))):C}function u(e,t){var r,n;return e?(n=new i,e.state=n,n.window=null,r=s(e,t),r!==L&&(e.state=null),r):C}function f(e){return u(e,_e)}function c(e){if(we){var t;for(m=new _.Buf32(512),v=new 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C;r=e.state,r.mode===X&&(r.mode=Y),s=e.next_out,a=e.output,f=e.avail_out,o=e.next_in,i=e.input,u=e.avail_in,h=r.hold,d=r.bits,p=u,g=f,ke=L;e:for(;;)switch(r.mode){case z:if(0===r.wrap){r.mode=Y;break}for(;d<16;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(2&r.wrap&&35615===h){r.check=0,Ie[0]=255&h,Ie[1]=h>>>8&255,r.check=b(r.check,Ie,2,0),h=0,d=0,r.mode=O;break}if(r.flags=0,r.head&&(r.head.done=!1),!(1&r.wrap)||(((255&h)<<8)+(h>>8))%31){e.msg="incorrect header check",r.mode=he;break}if((15&h)!==U){e.msg="unknown compression method",r.mode=he;break}if(h>>>=4,d-=4,xe=(15&h)+8,0===r.wbits)r.wbits=xe;else if(xe>r.wbits){e.msg="invalid window size",r.mode=he;break}r.dmax=1<<xe,e.adler=r.check=1,r.mode=512&h?W:X,h=0,d=0;break;case O:for(;d<16;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(r.flags=h,(255&r.flags)!==U){e.msg="unknown compression method",r.mode=he;break}if(57344&r.flags){e.msg="unknown header flags 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e;u--,h+=i[o++]<<d,d+=8}e.adler=r.check=n(h),h=0,d=0,r.mode=V;case V:if(0===r.havedict)return e.next_out=s,e.avail_out=f,e.next_in=o,e.avail_in=u,r.hold=h,r.bits=d,R;e.adler=r.check=1,r.mode=X;case X:if(t===I||t===T)break e;case Y:if(r.last){h>>>=7&d,d-=7&d,r.mode=fe;break}for(;d<3;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}switch(r.last=1&h,h>>>=1,d-=1,3&h){case 0:r.mode=J;break;case 1:if(c(r),r.mode=re,t===T){h>>>=2,d-=2;break e}break;case 2:r.mode=$;break;case 3:e.msg="invalid block type",r.mode=he}h>>>=2,d-=2;break;case J:for(h>>>=7&d,d-=7&d;d<32;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if((65535&h)!==(h>>>16^65535)){e.msg="invalid stored block lengths",r.mode=he;break}if(r.length=65535&h,h=0,d=0,r.mode=K,t===T)break e;case K:r.mode=Q;case Q:if(m=r.length){if(m>u&&(m=u),m>f&&(m=f),0===m)break e;_.arraySet(a,i,o,m,s),u-=m,o+=m,f-=m,s+=m,r.length-=m;break}r.mode=X;break;case $:for(;d<14;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(r.nlen=(31&h)+257,h>>>=5,d-=5,r.ndist=(31&h)+1,h>>>=5,d-=5,r.ncode=(15&h)+4,h>>>=4,d-=4,r.nlen>286||r.ndist>30){e.msg="too many length or distance symbols",r.mode=he;break}r.have=0,r.mode=ee;case ee:for(;r.have<r.ncode;){for(;d<3;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.lens[Te[r.have++]]=7&h,h>>>=3,d-=3}for(;r.have<19;)r.lens[Te[r.have++]]=0;if(r.lencode=r.lendyn,r.lenbits=7,Ee={bits:r.lenbits},ke=x(k,r.lens,0,19,r.lencode,0,r.work,Ee),r.lenbits=Ee.bits,ke){e.msg="invalid code lengths set",r.mode=he;break}r.have=0,r.mode=te;case te:for(;r.have<r.nlen+r.ndist;){for(;Ae=r.lencode[h&(1<<r.lenbits)-1],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(me<=d);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(_e<16)h>>>=me,d-=me,r.lens[r.have++]=_e;else{if(16===_e){for(Se=me+2;d<Se;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(h>>>=me,d-=me,0===r.have){e.msg="invalid bit length repeat",r.mode=he;break}xe=r.lens[r.have-1],m=3+(3&h),h>>>=2,d-=2}else if(17===_e){for(Se=me+3;d<Se;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}h>>>=me,d-=me,xe=0,m=3+(7&h),h>>>=3,d-=3}else{for(Se=me+7;d<Se;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}h>>>=me,d-=me,xe=0,m=11+(127&h),h>>>=7,d-=7}if(r.have+m>r.nlen+r.ndist){e.msg="invalid bit length repeat",r.mode=he;break}for(;m--;)r.lens[r.have++]=xe}}if(r.mode===he)break;if(0===r.lens[256]){e.msg="invalid code -- missing end-of-block",r.mode=he;break}if(r.lenbits=9,Ee={bits:r.lenbits},ke=x(E,r.lens,0,r.nlen,r.lencode,0,r.work,Ee),r.lenbits=Ee.bits,ke){e.msg="invalid literal/lengths set",r.mode=he;break}if(r.distbits=6,r.distcode=r.distdyn,Ee={bits:r.distbits},ke=x(S,r.lens,r.nlen,r.ndist,r.distcode,0,r.work,Ee),r.distbits=Ee.bits,ke){e.msg="invalid distances set",r.mode=he;break}if(r.mode=re,t===T)break e;case re:r.mode=ne;case ne:if(u>=6&&f>=258){e.next_out=s,e.avail_out=f,e.next_in=o,e.avail_in=u,r.hold=h,r.bits=d,y(e,g),s=e.next_out,a=e.output,f=e.avail_out,o=e.next_in,i=e.input,u=e.avail_in,h=r.hold,d=r.bits,r.mode===X&&(r.back=-1);break}for(r.back=0;Ae=r.lencode[h&(1<<r.lenbits)-1],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(me<=d);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(ve&&0===(240&ve)){for(we=me,be=ve,ye=_e;Ae=r.lencode[ye+((h&(1<<we+be)-1)>>we)],me=Ae>>>24,ve=Ae>>>16&255,
+_e=65535&Ae,!(we+me<=d);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}h>>>=we,d-=we,r.back+=we}if(h>>>=me,d-=me,r.back+=me,r.length=_e,0===ve){r.mode=ue;break}if(32&ve){r.back=-1,r.mode=X;break}if(64&ve){e.msg="invalid literal/length code",r.mode=he;break}r.extra=15&ve,r.mode=ie;case ie:if(r.extra){for(Se=r.extra;d<Se;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.length+=h&(1<<r.extra)-1,h>>>=r.extra,d-=r.extra,r.back+=r.extra}r.was=r.length,r.mode=ae;case ae:for(;Ae=r.distcode[h&(1<<r.distbits)-1],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(me<=d);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(0===(240&ve)){for(we=me,be=ve,ye=_e;Ae=r.distcode[ye+((h&(1<<we+be)-1)>>we)],me=Ae>>>24,ve=Ae>>>16&255,_e=65535&Ae,!(we+me<=d);){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}h>>>=we,d-=we,r.back+=we}if(h>>>=me,d-=me,r.back+=me,64&ve){e.msg="invalid distance code",r.mode=he;break}r.offset=_e,r.extra=15&ve,r.mode=oe;case oe:if(r.extra){for(Se=r.extra;d<Se;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}r.offset+=h&(1<<r.extra)-1,h>>>=r.extra,d-=r.extra,r.back+=r.extra}if(r.offset>r.dmax){e.msg="invalid distance too far back",r.mode=he;break}r.mode=se;case se:if(0===f)break e;if(m=g-f,r.offset>m){if(m=r.offset-m,m>r.whave&&r.sane){e.msg="invalid distance too far back",r.mode=he;break}m>r.wnext?(m-=r.wnext,v=r.wsize-m):v=r.wnext-m,m>r.length&&(m=r.length),ge=r.window}else ge=a,v=s-r.offset,m=r.length;m>f&&(m=f),f-=m,r.length-=m;do a[s++]=ge[v++];while(--m);0===r.length&&(r.mode=ne);break;case ue:if(0===f)break e;a[s++]=r.length,f--,r.mode=ne;break;case fe:if(r.wrap){for(;d<32;){if(0===u)break e;u--,h|=i[o++]<<d,d+=8}if(g-=f,e.total_out+=g,r.total+=g,g&&(e.adler=r.check=r.flags?b(r.check,a,g,s-g):w(r.check,a,g,s-g)),g=f,(r.flags?h:n(h))!==r.check){e.msg="incorrect data check",r.mode=he;break}h=0,d=0}r.mode=ce;case ce:if(r.wrap&&r.flags){for(;d<32;){if(0===u)break e;u--,h+=i[o++]<<d,d+=8}if(h!==(4294967295&r.total)){e.msg="incorrect length 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m,v,_=e("../utils/common"),w=e("./adler32"),b=e("./crc32"),y=e("./inffast"),x=e("./inftrees"),k=0,E=1,S=2,A=4,I=5,T=6,L=0,M=1,R=2,C=-2,P=-3,B=-4,D=-5,U=8,z=1,O=2,F=3,N=4,j=5,Z=6,q=7,G=8,H=9,W=10,V=11,X=12,Y=13,J=14,K=15,Q=16,$=17,ee=18,te=19,re=20,ne=21,ie=22,ae=23,oe=24,se=25,ue=26,fe=27,ce=28,le=29,he=30,de=31,pe=32,ge=852,me=592,ve=15,_e=ve,we=!0;r.inflateReset=o,r.inflateReset2=s,r.inflateResetKeep=a,r.inflateInit=f,r.inflateInit2=u,r.inflate=h,r.inflateEnd=d,r.inflateGetHeader=p,r.inflateSetDictionary=g,r.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":30,"./adler32":31,"./crc32":33,"./inffast":35,"./inftrees":37}],37:[function(e,t,r){"use strict";var n=e("../utils/common"),i=15,a=852,o=592,s=0,u=1,f=2,c=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],l=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],h=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],d=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,r,p,g,m,v,_){var w,b,y,x,k,E,S,A,I,T=_.bits,L=0,M=0,R=0,C=0,P=0,B=0,D=0,U=0,z=0,O=0,F=null,N=0,j=new n.Buf16(i+1),Z=new n.Buf16(i+1),q=null,G=0;for(L=0;L<=i;L++)j[L]=0;for(M=0;M<p;M++)j[t[r+M]]++;for(P=T,C=i;C>=1&&0===j[C];C--);if(P>C&&(P=C),0===C)return g[m++]=20971520,g[m++]=20971520,_.bits=1,0;for(R=1;R<C&&0===j[R];R++);for(P<R&&(P=R),U=1,L=1;L<=i;L++)if(U<<=1,U-=j[L],U<0)return-1;if(U>0&&(e===s||1!==C))return-1;for(Z[1]=0,L=1;L<i;L++)Z[L+1]=Z[L]+j[L];for(M=0;M<p;M++)0!==t[r+M]&&(v[Z[t[r+M]]++]=M);if(e===s?(F=q=v,E=19):e===u?(F=c,N-=257,q=l,G-=257,E=256):(F=h,q=d,E=-1),O=0,M=0,L=R,k=m,B=P,D=0,y=-1,z=1<<P,x=z-1,e===u&&z>a||e===f&&z>o)return 1;for(var H=0;;){H++,S=L-D,v[M]<E?(A=0,I=v[M]):v[M]>E?(A=q[G+v[M]],I=F[N+v[M]]):(A=96,I=0),w=1<<L-D,b=1<<B,R=b;do b-=w,g[k+(O>>D)+b]=S<<24|A<<16|I|0;while(0!==b);for(w=1<<L-1;O&w;)w>>=1;if(0!==w?(O&=w-1,O+=w):O=0,M++,0===--j[L]){if(L===C)break;L=t[r+v[M]]}if(L>P&&(O&x)!==y){for(0===D&&(D=P),k+=R,B=L-D,U=1<<B;B+D<C&&(U-=j[B+D],!(U<=0));)B++,U<<=1;if(z+=1<<B,e===u&&z>a||e===f&&z>o)return 1;y=O&x,g[y]=P<<24|B<<16|k-m|0}}return 0!==O&&(g[k+O]=L-D<<24|64<<16|0),_.bits=P,0}},{"../utils/common":30}],38:[function(e,t,r){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file 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r,n,i,a,o,s,u=t.dyn_tree,f=t.max_code,c=t.stat_desc.static_tree,l=t.stat_desc.has_stree,h=t.stat_desc.extra_bits,d=t.stat_desc.extra_base,p=t.stat_desc.max_length,g=0;for(a=0;a<=X;a++)e.bl_count[a]=0;for(u[2*e.heap[e.heap_max]+1]=0,r=e.heap_max+1;r<V;r++)n=e.heap[r],a=u[2*u[2*n+1]+1]+1,a>p&&(a=p,g++),u[2*n+1]=a,n>f||(e.bl_count[a]++,o=0,n>=d&&(o=h[n-d]),s=u[2*n],e.opt_len+=s*(a+o),l&&(e.static_len+=s*(c[2*n+1]+o)));if(0!==g){do{for(a=p-1;0===e.bl_count[a];)a--;e.bl_count[a]--,e.bl_count[a+1]+=2,e.bl_count[p]--,g-=2}while(g>0);for(a=p;0!==a;a--)for(n=e.bl_count[a];0!==n;)i=e.heap[--r],i>f||(u[2*i+1]!==a&&(e.opt_len+=(a-u[2*i+1])*u[2*i],u[2*i+1]=a),n--)}}function d(e,t,r){var n,i,a=new Array(X+1),o=0;for(n=1;n<=X;n++)a[n]=o=o+r[n-1]<<1;for(i=0;i<=t;i++){var s=e[2*i+1];0!==s&&(e[2*i]=c(a[s]++,s))}}function p(){var e,t,r,n,a,o=new Array(X+1);for(r=0,n=0;n<Z-1;n++)for(ce[n]=r,e=0;e<1<<te[n];e++)fe[r++]=n;for(fe[r-1]=n,a=0,n=0;n<16;n++)for(le[n]=a,e=0;e<1<<re[n];e++)ue[a++]=n;for(a>>=7;n<H;n++)for(le[n]=a<<7,e=0;e<1<<re[n]-7;e++)ue[256+a++]=n;for(t=0;t<=X;t++)o[t]=0;for(e=0;e<=143;)oe[2*e+1]=8,e++,o[8]++;for(;e<=255;)oe[2*e+1]=9,e++,o[9]++;for(;e<=279;)oe[2*e+1]=7,e++,o[7]++;for(;e<=287;)oe[2*e+1]=8,e++,o[8]++;for(d(oe,G+1,o),e=0;e<H;e++)se[2*e+1]=5,se[2*e]=c(e,5);he=new i(oe,te,q+1,G,X),de=new i(se,re,0,H,X),pe=new i(new Array(0),ne,0,W,J)}function g(e){var t;for(t=0;t<G;t++)e.dyn_ltree[2*t]=0;for(t=0;t<H;t++)e.dyn_dtree[2*t]=0;for(t=0;t<W;t++)e.bl_tree[2*t]=0;e.dyn_ltree[2*K]=1,e.opt_len=e.static_len=0,e.last_lit=e.matches=0}function m(e){e.bi_valid>8?s(e,e.bi_buf):e.bi_valid>0&&(e.pending_buf[e.pending++]=e.bi_buf),e.bi_buf=0,e.bi_valid=0}function v(e,t,r,n){m(e),n&&(s(e,r),s(e,~r)),C.arraySet(e.pending_buf,e.window,t,r,e.pending),e.pending+=r}function _(e,t,r,n){var i=2*t,a=2*r;return 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t;for(x(e,e.dyn_ltree,e.l_desc.max_code),x(e,e.dyn_dtree,e.d_desc.max_code),y(e,e.bl_desc),t=W-1;t>=3&&0===e.bl_tree[2*ie[t]+1];t--);return e.opt_len+=3*(t+1)+5+5+4,t}function S(e,t,r,n){var i;for(u(e,t-257,5),u(e,r-1,5),u(e,n-4,4),i=0;i<n;i++)u(e,e.bl_tree[2*ie[i]+1],3);k(e,e.dyn_ltree,t-1),k(e,e.dyn_dtree,r-1)}function A(e){var t,r=4093624447;for(t=0;t<=31;t++,r>>>=1)if(1&r&&0!==e.dyn_ltree[2*t])return B;if(0!==e.dyn_ltree[18]||0!==e.dyn_ltree[20]||0!==e.dyn_ltree[26])return D;for(t=32;t<q;t++)if(0!==e.dyn_ltree[2*t])return D;return B}function I(e){ge||(p(),ge=!0),e.l_desc=new a(e.dyn_ltree,he),e.d_desc=new a(e.dyn_dtree,de),e.bl_desc=new a(e.bl_tree,pe),e.bi_buf=0,e.bi_valid=0,g(e)}function T(e,t,r,n){u(e,(z<<1)+(n?1:0),3),v(e,t,r,!0)}function L(e){u(e,O<<1,3),f(e,K,oe),l(e)}function M(e,t,r,n){var i,a,o=0;e.level>0?(e.strm.data_type===U&&(e.strm.data_type=A(e)),y(e,e.l_desc),y(e,e.d_desc),o=E(e),i=e.opt_len+3+7>>>3,a=e.static_len+3+7>>>3,a<=i&&(i=a)):i=a=r+5,r+4<=i&&t!==-1?T(e,t,r,n):e.strategy===P||a===i?(u(e,(O<<1)+(n?1:0),3),b(e,oe,se)):(u(e,(F<<1)+(n?1:0),3),S(e,e.l_desc.max_code+1,e.d_desc.max_code+1,o+1),b(e,e.dyn_ltree,e.dyn_dtree)),g(e),n&&m(e)}function R(e,t,r){return e.pending_buf[e.d_buf+2*e.last_lit]=t>>>8&255,e.pending_buf[e.d_buf+2*e.last_lit+1]=255&t,e.pending_buf[e.l_buf+e.last_lit]=255&r,e.last_lit++,0===t?e.dyn_ltree[2*r]++:(e.matches++,t--,e.dyn_ltree[2*(fe[r]+q+1)]++,e.dyn_dtree[2*o(t)]++),e.last_lit===e.lit_bufsize-1}var 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Array.isArray(e)}function g(e){return"boolean"==typeof e}function m(e){return null===e}function v(e){return null==e}function _(e){return"number"==typeof e}function w(e){return"string"==typeof e}function b(e){return"symbol"==typeof e}function y(e){return void 0===e}function x(e){return k(e)&&"[object RegExp]"===T(e)}function k(e){return"object"==typeof e&&null!==e}function E(e){return k(e)&&"[object Date]"===T(e)}function S(e){return k(e)&&("[object Error]"===T(e)||e instanceof Error)}function A(e){return"function"==typeof e}function I(e){return null===e||"boolean"==typeof e||"number"==typeof e||"string"==typeof e||"symbol"==typeof e||"undefined"==typeof e}function T(e){return Object.prototype.toString.call(e)}function L(e){return e<10?"0"+e.toString(10):e.toString(10)}function M(){var e=new Date,t=[L(e.getHours()),L(e.getMinutes()),L(e.getSeconds())].join(":");return[e.getDate(),D[e.getMonth()],t].join(" ")}function R(e,t){return Object.prototype.hasOwnProperty.call(e,t)}var 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diff --git a/gulpfile.js b/gulpfile.js
index 6644702..804b942 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,39 +1,8 @@
 'use strict';
 
-var gulp = require('gulp');
-var $ = require('gulp-load-plugins')({lazy: false});
-var browserify = require('browserify');
-var source = require('vinyl-source-stream2');
-var path = require('path');
+const babelSettings = require('./babel-settings.json');
+require('babel-core/register')(babelSettings);
 
+const requireDir = require('require-dir');
 
-var pkg = require('./package.json');
-var banner = [
-  '/*',
-  ' * <%= pkg.name %> - <%= pkg.description %>',
-  ' * @version v<%= pkg.version %>',
-  ' * @author <%= pkg.author %>',
-  ' * @link <%= pkg.homepage %>',
-  ' * @license <%= pkg.license %>',
-  ' */',
-  ''].join('\n');
-
-gulp.task('script', function() {
-  var bundleStream = browserify({
-    entries: './index.js',
-    insertGlobals: false,
-    detectGlobals: true,
-    standalone: 'inkjet',
-    fullPaths: false
-  })
-    .bundle();
-
-  return bundleStream
-    .pipe(source('inkjet.js'))
-    .pipe($.header(banner, {pkg: pkg}))
-    .pipe(gulp.dest('./dist'))
-    .pipe($.uglify())
-    .pipe($.header(banner, {pkg: pkg}))
-    .pipe($.rename('inkjet.min.js'))
-    .pipe(gulp.dest('./dist'));
-});
+requireDir('./build', { recurse: true });
diff --git a/index.js b/index.js
index 9f2482c..ca905f3 100644
--- a/index.js
+++ b/index.js
@@ -1,26 +1,16 @@
-'use strict';
+import { hasWorker } from './lib/has-worker';
 
-var hasWorker = require('./lib/has-worker').HAS_WORKER;
+import * as bufferUtils from './lib/buffer-utils';
 
-var bufferUtils = require('./lib/buffer-utils');
-
-var exif = require('./lib/exif');
-var decode = require('./lib/decode');
-var encode = require('./lib/encode');
-var magic = require('./lib/magic');
-var info = require('./lib/info');
-
-var exifWorker = require('./lib/exif-worker');
-var decodeWorker = require('./lib/decode-worker');
-var encodeWorker = require('./lib/encode-worker');
-
-
-module.exports.decode = decodeBuffer;
-module.exports.encode = encodeBuffer;
-module.exports.exif = exifBuffer;
-module.exports.magic = magicBuffer;
-module.exports.info = infoBuffer;
+import exif from './lib/exif';
+import decode from './lib/decode';
+import encode from './lib/encode';
+import magic from './lib/magic';
+import info from './lib/info';
 
+import exifWorker from './lib/exif-worker';
+import decodeWorker from './lib/decode-worker';
+import encodeWorker from './lib/encode-worker';
 
 /**
  * Decode
@@ -41,15 +31,14 @@ function decodeBuffer(buf, options, cb) {
     buf = bufferUtils.toUint8Array(buf);
 
     if(hasWorker) {
-      var wr = require('webworkify')(decodeWorker);
+      const wr = require('webworkify')(decodeWorker);
 
-      wr.onmessage = function(ev) {
-        var msg = ev.data;
-        var err = msg.err ? new Error(msg.err) : undefined;
+      wr.onmessage = ({ data: msg }) => {
+        const err = msg.err ? new Error(msg.err) : undefined;
         cb(err, msg.result);
       };
 
-      var msg = {
+      const msg = {
         buf: buf,
         options: options
       };
@@ -90,15 +79,14 @@ function encodeBuffer(buf, options, cb) {
     }
 
     if(hasWorker) {
-      var wr = require('webworkify')(encodeWorker);
+      const wr = require('webworkify')(encodeWorker);
 
-      wr.onmessage = function(ev) {
-        var msg = ev.data;
-        var err = msg.err ? new Error(msg.err) : undefined;
+      wr.onmessage = ({ data: msg }) => {
+        const err = msg.err ? new Error(msg.err) : undefined;
         cb(err, msg.result);
       };
 
-      var msg = {
+      const msg = {
         buf: buf,
         options: options
       };
@@ -135,15 +123,14 @@ function exifBuffer(buf, options, cb) {
     buf = bufferUtils.toArrayBuffer(buf);
 
     if(hasWorker) {
-      var wr = require('webworkify')(exifWorker);
+      const wr = require('webworkify')(exifWorker);
 
-      wr.onmessage = function(ev) {
-        var msg = ev.data;
-        var err = msg.err ? new Error(msg.err) : undefined;
+      wr.onmessage = ({ data: msg }) => {
+        const err = msg.err ? new Error(msg.err) : undefined;
         cb(err, msg.result);
       };
 
-      var msg = {
+      const msg = {
         buf: buf
       };
 
@@ -168,7 +155,7 @@ function exifBuffer(buf, options, cb) {
 function magicBuffer(buf, cb) {
   try {
     buf = bufferUtils.toBuffer(buf);
-    magic.lookup(buf, cb);
+    magic(buf, cb);
   } catch(err) {
     cb(err);
   }
@@ -182,8 +169,17 @@ function magicBuffer(buf, cb) {
 function infoBuffer(buf, cb) {
   try {
     buf = bufferUtils.toBuffer(buf);
-    info.collect(buf, cb);
+    info(buf, cb);
   } catch(err) {
     cb(err);
   }
 }
+
+
+export default {
+  decode: decodeBuffer,
+  encode: encodeBuffer,
+  exif: exifBuffer,
+  magic: magicBuffer,
+  info: infoBuffer,
+}
diff --git a/lib/buffer-utils.js b/lib/buffer-utils.js
index 353df7d..180a895 100644
--- a/lib/buffer-utils.js
+++ b/lib/buffer-utils.js
@@ -1,19 +1,10 @@
-'use strict';
-
-module.exports.toBuffer = toBuffer;
-module.exports.toArrayBuffer = toArrayBuffer;
-module.exports.toUint8Array = toUint8Array;
-module.exports.toArrayLike = toArrayLike;
-
-module.exports.bufferToArrayBuffer = bufferToArrayBuffer;
-module.exports.arrayBufferToBuffer = arrayBufferToBuffer;
 
 /**
  * Converts the buffer to Buffer
  * @param {Buffer|ArrayBuffer|Uint8Array} buf Input buffer
  * @returns {Buffer}
  */
-function toBuffer(buf) {
+export function toBuffer(buf) {
   if(buf instanceof ArrayBuffer) {
     return arrayBufferToBuffer(buf);
   } else if(Buffer.isBuffer(buf)) {
@@ -30,7 +21,7 @@ function toBuffer(buf) {
  * @param {Buffer|ArrayBuffer|Uint8Array} buf Input buffer
  * @returns {ArrayBuffer}
  */
-function toArrayBuffer(buf) {
+export function toArrayBuffer(buf) {
   if(buf instanceof ArrayBuffer) {
     return buf;
   } else if(Buffer.isBuffer(buf)) {
@@ -47,7 +38,7 @@ function toArrayBuffer(buf) {
  * @param {Buffer|ArrayBuffer|Uint8Array} buf Input buffer
  * @returns {Uint8Array}
  */
-function toUint8Array(buf) {
+export function toUint8Array(buf) {
   if(buf instanceof Uint8Array) {
     return buf;
   } else if(buf instanceof ArrayBuffer) {
@@ -64,7 +55,7 @@ function toUint8Array(buf) {
  * @param {Buffer|ArrayBuffer|Uint8Array} buf
  * @returns {Buffer|Uint8Array}
  */
-function toArrayLike(buf) {
+export function toArrayLike(buf) {
   if(buf instanceof Uint8Array) {
     return buf;
   } else if(buf instanceof ArrayBuffer) {
@@ -81,10 +72,10 @@ function toArrayLike(buf) {
  * @param {Buffer|Uint8Array} buf
  * @returns {ArrayBuffer}
  */
-function bufferToArrayBuffer(buf) {
-  var arr = new ArrayBuffer(buf.length);
-  var view = new Uint8Array(arr);
-  for (var i = 0; i < buf.length; ++i) {
+export function bufferToArrayBuffer(buf) {
+  const arr = new ArrayBuffer(buf.length);
+  const view = new Uint8Array(arr);
+  for (let i = 0; i < buf.length; ++i) {
     view[i] = buf[i];
   }
   return arr;
@@ -95,6 +86,6 @@ function bufferToArrayBuffer(buf) {
  * @param {ArrayBuffer} arr
  * @returns {Buffer}
  */
-function arrayBufferToBuffer(arr) {
+export function arrayBufferToBuffer(arr) {
   return new Buffer(new Uint8Array(arr));
 }
diff --git a/lib/decode-worker.js b/lib/decode-worker.js
index 02acf71..e8fe5be 100644
--- a/lib/decode-worker.js
+++ b/lib/decode-worker.js
@@ -1,13 +1,10 @@
-'use strict';
 
-module.exports = function(self) {
-  var decode = require('./decode');
-
-  self.onmessage = function (ev) {
-    var msg = ev.data;
-    decode(msg.buf, msg.options, function(err, result) {
+export default function(self) {
+  const decode = require('./decode');
+  self.onmessage = ({ data: msg }) => {
+    decode(msg.buf, msg.options, (err, result) => {
       if (err) {
-        var errValue = err instanceof Error ? err.message : err; // Error is not clonable
+        const errValue = err instanceof Error ? err.message : err; // Error is not clonable
         self.postMessage({ err: errValue });
       } else {
         self.postMessage({ result: result });
diff --git a/lib/decode.js b/lib/decode.js
index 7ab776d..78e4760 100644
--- a/lib/decode.js
+++ b/lib/decode.js
@@ -1,9 +1,4 @@
-'use strict';
-
-var JpegImage = require('./backend/jpg').JpegImage;
-
-module.exports = decode;
-
+import { JpegImage } from './backend/jpg';
 
 /**
  * Decode the JPEG data
@@ -14,9 +9,9 @@ module.exports = decode;
  *
  * @callback { width: number, height: number, data: Uint8Array }
  */
-function decode(buf, options, cb) {
+export default function decode(buf, options, cb) {
   function getData(j, width, height) {
-    var dest = {
+    const dest = {
       width: width,
       height: height,
       data: new Uint8Array(width * height * 4)
@@ -26,14 +21,14 @@ function decode(buf, options, cb) {
   }
 
   try {
-    var j = new JpegImage();
+    const j = new JpegImage();
     j.parse(buf);
 
-    var width = options.width || j.width;
-    var height = options.height || j.height;
-    var data = getData(j, width, height);
+    const width = options.width || j.width;
+    const height = options.height || j.height;
+    const data = getData(j, width, height);
 
-    var result = {
+    const result = {
       width: width,
       height: height,
       data: data
diff --git a/lib/encode-worker.js b/lib/encode-worker.js
index 856fef3..c4b128b 100644
--- a/lib/encode-worker.js
+++ b/lib/encode-worker.js
@@ -1,13 +1,10 @@
-'use strict';
 
-module.exports = function(self) {
-  var encode = require('./encode');
-
-  self.onmessage = function (ev) {
-    var msg = ev.data;
-    encode(msg.buf, msg.options, function(err, result) {
+export default function(self) {
+  const encode = require('./encode');
+  self.onmessage = function ({ data: msg }) {
+    encode(msg.buf, msg.options, (err, result) => {
       if (err) {
-        var errValue = err instanceof Error ? err.message : err; // Error is not clonable
+        const errValue = err instanceof Error ? err.message : err; // Error is not clonable
         self.postMessage({ err: errValue });
       } else {
         self.postMessage({ result: result });
diff --git a/lib/encode.js b/lib/encode.js
index d261954..585da3c 100644
--- a/lib/encode.js
+++ b/lib/encode.js
@@ -1,8 +1,4 @@
-'use strict';
-
-var encoder = require('./backend/encoder');
-
-module.exports = encode;
+import encoder from './backend/encoder';
 
 /**
  * Encode the data to JPEG format
@@ -13,14 +9,14 @@ module.exports = encode;
  *
  * @callback { width: number, height: number, data: Uint8Array }
  */
-function encode(buf, options, cb) {
+export default function encode(buf, options, cb) {
   try {
-    var imageData = {
+    const imageData = {
       data: buf,
       width: options.width,
       height: options.height
     };
-    var data = encoder(imageData, options.quality);
+    const data = encoder(imageData, options.quality);
     cb(null, data);
   } catch(err) {
     cb(err);
diff --git a/lib/exif-worker.js b/lib/exif-worker.js
index eefb1fa..1d78568 100644
--- a/lib/exif-worker.js
+++ b/lib/exif-worker.js
@@ -1,13 +1,10 @@
-'use strict';
 
-module.exports = function(self) {
-  var exif = require('./exif');
-
-  self.onmessage = function (ev) {
-    var msg = ev.data;
-    exif(msg.buf, {}, function(err, result) {
+export default function(self) {
+  const exif = require('./exif');
+  self.onmessage = ({ data: msg }) => {
+    exif(msg.buf, {}, (err, result) => {
       if (err) {
-        var errValue = err instanceof Error ? err.message : err; // Error is not clonable
+        const errValue = err instanceof Error ? err.message : err; // Error is not clonable
         self.postMessage({ err: errValue });
       } else {
         self.postMessage({ result: result });
diff --git a/lib/exif.js b/lib/exif.js
index 574708e..ace973a 100644
--- a/lib/exif.js
+++ b/lib/exif.js
@@ -1,9 +1,4 @@
-'use strict';
-
-var ExifReader = require('./backend/ExifReader').ExifReader;
-
-module.exports = exif;
-
+import { ExifReader } from './backend/ExifReader';
 
 /**
  * Read EXIF data from the provided buffer
@@ -14,9 +9,9 @@ module.exports = exif;
  *
  * @callback Object { name: value, ... }
  */
-function exif(buf, options, cb) {
+export default function exif(buf, options, cb) {
   try {
-    var exif = new ExifReader();
+    const exif = new ExifReader();
     exif.load(buf);
 
     // The MakerNote tag can be really large. Remove it to lower memory usage.
@@ -24,7 +19,7 @@ function exif(buf, options, cb) {
       exif.deleteTag('MakerNote');
     }
 
-    var metadata = exif.getAllTags();
+    const metadata = exif.getAllTags();
 
     cb(null, metadata);
   } catch(err) {
diff --git a/lib/has-worker.js b/lib/has-worker.js
index 593458b..f8d1e9b 100644
--- a/lib/has-worker.js
+++ b/lib/has-worker.js
@@ -1,13 +1,14 @@
-'use strict';
+let hasWorker = (typeof window !== 'undefined') && ('Worker' in window);
 
-var hasWorker = (typeof window !== 'undefined') && ('Worker' in window);
 if (hasWorker) {
   try {
-    var w = require('webworkify')(function () {});
+    const w = require('webworkify')(() => {});
     w.terminate();
   } catch (e) {
     hasWorker = false;
   }
 }
 
-module.exports.HAS_WORKER = hasWorker;
+export {
+  hasWorker
+}
diff --git a/lib/info.js b/lib/info.js
index 0dd2ba6..7823395 100644
--- a/lib/info.js
+++ b/lib/info.js
@@ -1,17 +1,13 @@
-'use strict';
-
-var imageinfo = require('imageinfo');
-
-module.exports.collect = collect;
+import imageinfo from 'imageinfo';
 
 /**
  * Get image information
  * @param {Buffer} buf Image or image part that contains image parameters
  * @param {function} cb Callback to invoke on completion
  */
-function collect(buf, cb) {
-  setTimeout(function() {
-    var info = imageinfo(buf);
+export default function info(buf, cb) {
+  setTimeout(() => {
+    const info = imageinfo(buf);
     if(!info) {
       cb(new Error('Cannot get image info'));
     } else {
@@ -24,4 +20,4 @@ function collect(buf, cb) {
       });
     }
   }, 0);
-}
\ No newline at end of file
+}
diff --git a/lib/magic.js b/lib/magic.js
index 9b77156..e071f20 100644
--- a/lib/magic.js
+++ b/lib/magic.js
@@ -1,26 +1,16 @@
-'use strict';
-
-var find = require('lodash.find');
-var db = require('./magic-db');
-var debug = require('debug')('inkjet:magic');
-
-module.exports.lookup = lookup;
+import db from './magic-db';
 
 /**
  * Lookup the magic number in magic-number DB
  * @param {Buffer} buf Data buffer
  * @param {function} cb Callback to invoke on completion
  */
-function lookup(buf, cb) {
-  setTimeout(function() {
-    var sampleLength = 24;
-    var sample = buf.slice(0, sampleLength).toString('hex'); // lookup data
+export default function magic(buf, cb) {
+  setTimeout(() => {
+    const sampleLength = 24;
+    const sample = buf.slice(0, sampleLength).toString('hex'); // lookup data
 
-    var keys = Object.keys(db);
-    var found = find(keys, function(it) {
-      debug('%s <---- %s', sample, it);
-      return (sample.indexOf(it) != -1);
-    });
+    const found = Object.keys(db).find((it) => { return (sample.indexOf(it) != -1); });
 
     if(found) {
       cb(null, db[found]);
diff --git a/package.json b/package.json
index 8cc463c..b48fc71 100644
--- a/package.json
+++ b/package.json
@@ -1,14 +1,15 @@
 {
   "name": "inkjet",
-  "version": "2.0.2",
+  "version": "2.1.0",
   "description": "JPEG-image decoding, encoding & EXIF reading library for browser and node.js",
   "main": "index.js",
   "scripts": {
-    "test": "mocha",
+    "test": "mocha --require register --recursive",
     "browser": "gulp script",
+    "browser:production": "NODE_ENV=production gulp script",
     "zuul": "zuul --no-coverage --sauce-connect -- ./test/*.spec.js",
     "zuul:local": "zuul --local 8080 --ui mocha-bdd -- ./test/*.spec.js",
-    "istanbul:local": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && rm -rf ./coverage"
+    "istanbul:local": "istanbul cover ./node_modules/mocha/bin/_mocha --require register --report lcovonly -- -R spec && rm -rf ./coverage"
   },
   "repository": {
     "type": "git",
@@ -30,24 +31,32 @@
   },
   "homepage": "https://github.com/gchudnov/inkjet",
   "dependencies": {
-    "debug": "^2.2.0",
     "imageinfo": "^1.0.4",
-    "lodash.find": "^4.3.0",
-    "webworkify": "^1.1.0"
+    "webworkify": "^1.4.0"
   },
   "devDependencies": {
+    "babel-cli": "^6.23.0",
+    "babel-core": "^6.23.1",
+    "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-plugin-transform-es2015-modules-commonjs": "^6.23.0",
+    "babel-plugin-transform-object-rest-spread": "^6.23.0",
+    "babel-polyfill": "^6.23.0",
+    "babel-preset-latest": "^6.22.0",
+    "babel-preset-stage-2": "^6.22.0",
+    "babel-register": "^6.23.0",
+    "babelify": "^7.3.0",
     "brfs": "^1.4.3",
-    "browserify": "^13.0.0",
+    "browserify": "^14.1.0",
     "gulp": "^3.9.1",
-    "gulp-header": "^1.7.1",
-    "gulp-load-plugins": "^1.2.2",
-    "gulp-rename": "^1.2.2",
-    "gulp-uglify": "^1.5.3",
-    "gulp-util": "^3.0.7",
-    "istanbul": "^0.4.3",
-    "mocha": "^2.4.5",
-    "should": "^8.3.1",
+    "gulp-header": "^1.8.8",
+    "gulp-if": "^2.0.2",
+    "gulp-uglify": "^2.0.1",
+    "gulp-util": "^3.0.8",
+    "istanbul": "^0.4.5",
+    "mocha": "^3.2.0",
+    "require-dir": "^0.3.1",
+    "should": "^11.2.0",
     "vinyl-source-stream2": "^0.1.1",
-    "zuul": "^3.10.1"
+    "zuul": "^3.11.1"
   }
 }
diff --git a/register.js b/register.js
new file mode 100644
index 0000000..97cbbc0
--- /dev/null
+++ b/register.js
@@ -0,0 +1,4 @@
+'use strict';
+
+const babelSettings = require('./babel-settings.json');
+require('babel-register')(babelSettings);
diff --git a/test/constants.js b/test/constants.js
index f6b912e..2ba5c40 100644
--- a/test/constants.js
+++ b/test/constants.js
@@ -1,28 +1,28 @@
-'use strict';
+import fs from 'fs';
+import path from 'path';
 
-var fs = require('fs');
-var path = require('path');
+const namePng = 'js_logo.png';
+const name420 = 'js_logo-4-2-0.jpg';
+const name422h = 'js_logo-4-2-2-horz.jpg';
+const name422v = 'js_logo-4-2-2-vert.jpg';
+const name444 = 'js_logo-4-4-4.jpg';
+const nameExif = 'js_logo-exif.jpg';
+const nameBroken = 'js_broken.jpg';
 
-var namePng = 'js_logo.png';
-var name420 = 'js_logo-4-2-0.jpg';
-var name422h = 'js_logo-4-2-2-horz.jpg';
-var name422v = 'js_logo-4-2-2-vert.jpg';
-var name444 = 'js_logo-4-4-4.jpg';
-var nameExif = 'js_logo-exif.jpg';
-var nameBroken = 'js_broken.jpg';
+export default {
+  namePng: namePng,
+  name420: name420,
+  name422h: name422h,
+  name422v: name422v,
+  name444: name444,
+  nameExif: nameExif,
+  nameBroken: nameBroken,
 
-module.exports.namePng = namePng;
-module.exports.name420 = name420;
-module.exports.name422h = name422h;
-module.exports.name422v = name422v;
-module.exports.name444 = name444;
-module.exports.nameExif = nameExif;
-module.exports.nameBroken = nameBroken;
-
-module.exports.bufPng = fs.readFileSync(path.join(__dirname, '../images/', 'js_logo.png'));
-module.exports.buf420 = fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-4-2-0.jpg'));
-module.exports.buf422h = fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-4-2-2-horz.jpg'));
-module.exports.buf422v = fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-4-2-2-vert.jpg'));
-module.exports.buf444 = fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-4-4-4.jpg'));
-module.exports.bufExif = fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-exif.jpg'));
-module.exports.bufBroken = fs.readFileSync(path.join(__dirname, '../images/', 'js_broken.jpg'));
+  bufPng: fs.readFileSync(path.join(__dirname, '../images/', 'js_logo.png')),
+  buf420: fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-4-2-0.jpg')),
+  buf422h: fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-4-2-2-horz.jpg')),
+  buf422v: fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-4-2-2-vert.jpg')),
+  buf444: fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-4-4-4.jpg')),
+  bufExif: fs.readFileSync(path.join(__dirname, '../images/', 'js_logo-exif.jpg')),
+  bufBroken: fs.readFileSync(path.join(__dirname, '../images/', 'js_broken.jpg')),
+}
diff --git a/test/decode.spec.js b/test/decode.spec.js
index caabe59..4bd1240 100644
--- a/test/decode.spec.js
+++ b/test/decode.spec.js
@@ -1,15 +1,12 @@
-'use strict';
+import should from 'should';
+import lib from '../index';
+import constants from './constants';
 
-var should = require('should');
-var lib = require('../index');
-var constants = require('./constants');
+describe('Decode', () => {
 
-describe('Decode', function() {
-  this.timeout(60000);
-
-  it('can be used to process ' + constants.name420, function(done) {
-    var jpegData = constants.buf420;
-    lib.decode(jpegData, function(err, decoded) {
+  it('can be used to process ' + constants.name420, (done) => {
+    const jpegData = constants.buf420;
+    lib.decode(jpegData, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
 
@@ -20,9 +17,9 @@ describe('Decode', function() {
     });
   });
 
-  it('can be used to process ' + constants.name422h, function(done) {
-    var jpegData = constants.buf422h;
-    lib.decode(jpegData, function(err, decoded) {
+  it('can be used to process ' + constants.name422h, (done) => {
+    const jpegData = constants.buf422h;
+    lib.decode(jpegData, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
       (decoded.width).should.be.eql(1052);
@@ -32,9 +29,9 @@ describe('Decode', function() {
     });
   });
 
-  it('can be used to process ' + constants.name422v, function(done) {
-    var jpegData = constants.buf422v;
-    lib.decode(jpegData, function(err, decoded) {
+  it('can be used to process ' + constants.name422v, (done) => {
+    const jpegData = constants.buf422v;
+    lib.decode(jpegData, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
       (decoded.width).should.be.eql(1052);
@@ -44,9 +41,9 @@ describe('Decode', function() {
     })
   });
 
-  it('can be used to process ' + constants.name444, function(done) {
-    var jpegData = constants.buf444;
-    lib.decode(jpegData, function(err, decoded) {
+  it('can be used to process ' + constants.name444, (done) => {
+    const jpegData = constants.buf444;
+    lib.decode(jpegData, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
       (decoded.width).should.be.eql(1052);
@@ -56,9 +53,9 @@ describe('Decode', function() {
     });
   });
 
-  it('can be used to process ' + constants.nameExif, function(done) {
-    var jpegData = constants.bufExif;
-    lib.decode(jpegData, function(err, decoded) {
+  it('can be used to process ' + constants.nameExif, (done) => {
+    const jpegData = constants.bufExif;
+    lib.decode(jpegData, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
       (decoded.width).should.be.eql(1052);
@@ -68,9 +65,9 @@ describe('Decode', function() {
     });
   });
 
-  it('fails to decode a broken JPEG image', function(done) {
-    var jpegData = constants.bufBroken;
-    lib.decode(jpegData, function(err, decoded) {
+  it('fails to decode a broken JPEG image', (done) => {
+    const jpegData = constants.bufBroken;
+    lib.decode(jpegData, (err, decoded) => {
       should.exist(err);
       should.not.exist(decoded);
       err.should.be.an.instanceOf(Error);
@@ -78,4 +75,4 @@ describe('Decode', function() {
     });
   });
 
-});
+}).timeout(60000);
diff --git a/test/encode.spec.js b/test/encode.spec.js
index a930691..e9adb3e 100644
--- a/test/encode.spec.js
+++ b/test/encode.spec.js
@@ -1,15 +1,13 @@
-'use strict';
-
-var path = require('path');
-var should = require('should');
-var lib = require('../index');
-var writer = require('./util/file-writer');
+import path from 'path';
+import should from 'should';
+import lib from '../index';
+import writer from './util/file-writer';
 
 function makeRgbBitmap(BufferType, r, g, b) {
-  var width = 320;
-  var height = 180;
-  var frameData = new Buffer(width * height * 4);
-  var i = 0;
+  const width = 320;
+  const height = 180;
+  const frameData = new Buffer(width * height * 4);
+  let i = 0;
 
   while (i < frameData.length) {
     frameData[i++] = 0xFF; // red
@@ -25,23 +23,18 @@ function makeRgbBitmap(BufferType, r, g, b) {
   }
 }
 
-describe('Encode', function() {
-  this.timeout(60000);
-
-  it('can be used to create a JPEG image (Buffer)', function(done) {
-    var bmp = makeRgbBitmap(Buffer, 0xFF, 0, 0);
+describe('Encode', () => {
 
-    var width = bmp.width;
-    var height = bmp.height;
-    var buf = bmp.data;
+  it('can be used to create a JPEG image (Buffer)', (done) => {
+    const { width, height, data } = makeRgbBitmap(Buffer, 0xFF, 0, 0);
 
-    var options = {
+    const options = {
       width: width,
       height: height,
       quality: 80
     };
 
-    lib.encode(buf, options, function(err, encoded) {
+    lib.encode(data, options, (err, encoded) => {
       should.not.exist(err);
       should.exist(encoded);
       (encoded.width).should.be.eql(320);
@@ -57,20 +50,16 @@ describe('Encode', function() {
 
   });
 
-  it('can be used to create a JPEG image (ArrayBuffer)', function(done) {
-    var bmp = makeRgbBitmap(ArrayBuffer, 0, 0xFF, 0);
+  it('can be used to create a JPEG image (ArrayBuffer)', (done) => {
+    const { width, height, data } = makeRgbBitmap(ArrayBuffer, 0, 0xFF, 0);
 
-    var width = bmp.width;
-    var height = bmp.height;
-    var buf = bmp.data;
-
-    var options = {
+    const options = {
       width: width,
       height: height,
       quality: 80
     };
 
-    lib.encode(buf, options, function(err, encoded) {
+    lib.encode(data, options, (err, encoded) => {
       should.not.exist(err);
       should.exist(encoded);
       (encoded.width).should.be.eql(320);
@@ -86,20 +75,16 @@ describe('Encode', function() {
 
   });
 
-  it('can be used to create a JPEG image (Uint8Array)', function(done) {
-    var bmp = makeRgbBitmap(Uint8Array, 0, 0, 0xFF);
-
-    var width = bmp.width;
-    var height = bmp.height;
-    var buf = bmp.data;
+  it('can be used to create a JPEG image (Uint8Array)', (done) => {
+    const { width, height, data } = makeRgbBitmap(Uint8Array, 0, 0, 0xFF);
 
-    var options = {
+    const options = {
       width: width,
       height: height,
       quality: 80
     };
 
-    lib.encode(buf, options, function(err, encoded) {
+    lib.encode(data, options, (err, encoded) => {
       should.not.exist(err);
       should.exist(encoded);
       (encoded.width).should.be.eql(320);
@@ -115,4 +100,4 @@ describe('Encode', function() {
 
   });
 
-});
+}).timeout(60000);
diff --git a/test/exif.spec.js b/test/exif.spec.js
index 9143899..d9155ab 100644
--- a/test/exif.spec.js
+++ b/test/exif.spec.js
@@ -1,15 +1,12 @@
-'use strict';
+import should from 'should';
+import lib from '../index';
+import constants from './constants';
 
-var should = require('should');
-var lib = require('../index');
-var constants = require('./constants');
+describe('Exif', () => {
 
-describe('Exif', function() {
-  this.timeout(60000);
-
-  it('should be detected for ' + constants.nameExif, function(done) {
-    var jpegData = constants.bufExif;
-    lib.exif(jpegData, function(err, data) {
+  it('should be detected for ' + constants.nameExif, (done) => {
+    const jpegData = constants.bufExif;
+    lib.exif(jpegData, (err, data) => {
       should.not.exist(err);
       should.exist(data);
       data.should.have.properties('ImageDescription');
@@ -17,10 +14,10 @@ describe('Exif', function() {
     });
   });
 
-  it('should be detected for ' + constants.nameExif + ' (take 128Kb)', function(done) {
-    var jpegData = constants.bufExif;
+  it('should be detected for ' + constants.nameExif + ' (take 128Kb)', (done) => {
+    let jpegData = constants.bufExif;
     jpegData = jpegData.slice(0, 128 * 1024);
-    lib.exif(jpegData, function(err, data) {
+    lib.exif(jpegData, (err, data) => {
       should.not.exist(err);
       should.exist(data);
       data.should.have.properties('ImageDescription');
@@ -28,21 +25,21 @@ describe('Exif', function() {
     });
   });
 
-  it('should NOT be detected for ' + constants.name420, function(done) {
-    var jpegData = constants.buf420;
-    lib.exif(jpegData, function(err, data) {
+  it('should NOT be detected for ' + constants.name420, (done) => {
+    const jpegData = constants.buf420;
+    lib.exif(jpegData, (err, data) => {
       should.not.exist(err);
       should.exist(data);
       done();
     });
   });
 
-  it('should return an error for ' + constants.nameBroken, function(done) {
-    var jpegData = constants.bufBroken;
-    lib.exif(jpegData, function(err, data) {
+  it('should return an error for ' + constants.nameBroken, (done) => {
+    const jpegData = constants.bufBroken;
+    lib.exif(jpegData, (err, data) => {
       should.exist(err);
       should.not.exist(data);
       done();
     });
   });
-});
\ No newline at end of file
+}).timeout(60000);
diff --git a/test/info.spec.js b/test/info.spec.js
index 40da708..d24eb3c 100644
--- a/test/info.spec.js
+++ b/test/info.spec.js
@@ -1,14 +1,12 @@
-'use strict';
+import should from 'should';
+import lib from '../index';
+import constants from './constants';
 
-var should = require('should');
-var lib = require('../index');
-var constants = require('./constants');
+describe('Info', () => {
 
-describe('Info', function() {
-
-  it('can be fetched for a JPEG file', function(done) {
-    var buf = constants.buf420;
-    lib.info(buf, function(err, data) {
+  it('can be fetched for a JPEG file', (done) => {
+    const buf = constants.buf420;
+    lib.info(buf, (err, data) => {
       should.not.exist(err);
       should.exist(data);
 
@@ -22,9 +20,9 @@ describe('Info', function() {
     });
   });
 
-  it('can be fetched for a PNG file', function(done) {
-    var buf = constants.bufPng;
-    lib.info(buf, function(err, data) {
+  it('can be fetched for a PNG file', (done) => {
+    const buf = constants.bufPng;
+    lib.info(buf, (err, data) => {
       should.not.exist(err);
       should.exist(data);
 
@@ -38,9 +36,9 @@ describe('Info', function() {
     });
   });
 
-  it('cannot be fetched for a broken JPEG file', function(done) {
-    var buf = constants.bufBroken;
-    lib.info(buf, function(err, data) {
+  it('cannot be fetched for a broken JPEG file', (done) => {
+    const buf = constants.bufBroken;
+    lib.info(buf, (err, data) => {
       should.exist(err);
       should.not.exist(data);
       err.should.be.an.instanceOf(Error);
diff --git a/test/magic.spec.js b/test/magic.spec.js
index 672f01a..04e17ac 100644
--- a/test/magic.spec.js
+++ b/test/magic.spec.js
@@ -1,15 +1,13 @@
-'use strict';
+import should from 'should';
+import lib from '../index';
+import constants from './constants';
 
-var should = require('should');
-var lib = require('../index');
-var constants = require('./constants');
+describe('Magic number', () => {
 
-describe('Magic number', function() {
+  it('can be detected for a JPEG Buffer', (done) => {
+    const buf = new Buffer([0xFF, 0xD8, 0xFF]);
 
-  it('can be detected for a JPEG Buffer', function(done) {
-    var buf = new Buffer([0xFF, 0xD8, 0xFF]);
-
-    lib.magic(buf, function(err, result) {
+    lib.magic(buf, (err, result) => {
       should.not.exist(err);
       should.exist(result);
 
@@ -20,14 +18,14 @@ describe('Magic number', function() {
     });
   });
 
-  it('can be detected for a JPEG ArrayBuffer', function(done) {
-    var buf = new ArrayBuffer(3);
-    var view   = new Uint8Array(buf);
+  it('can be detected for a JPEG ArrayBuffer', (done) => {
+    const buf = new ArrayBuffer(3);
+    const view = new Uint8Array(buf);
     view[0] = 0xFF;
     view[1] = 0xD8;
     view[2] = 0xFF;
 
-    lib.magic(buf, function(err, result) {
+    lib.magic(buf, (err, result) => {
       should.not.exist(err);
       should.exist(result);
 
@@ -38,14 +36,14 @@ describe('Magic number', function() {
     });
   });
 
-  it('can be detected for a JPEG Uint8Array', function(done) {
-    var buf = new ArrayBuffer(3);
-    var view   = new Uint8Array(buf);
+  it('can be detected for a JPEG Uint8Array', (done) => {
+    const buf = new ArrayBuffer(3);
+    const view = new Uint8Array(buf);
     view[0] = 0xFF;
     view[1] = 0xD8;
     view[2] = 0xFF;
 
-    lib.magic(view, function(err, result) {
+    lib.magic(view, (err, result) => {
       should.not.exist(err);
       should.exist(result);
 
@@ -56,10 +54,10 @@ describe('Magic number', function() {
     });
   });
 
-  it('can be detected for a JPEG file', function(done) {
-    var buf = constants.buf420;
+  it('can be detected for a JPEG file', (done) => {
+    const buf = constants.buf420;
 
-    lib.magic(buf, function(err, result) {
+    lib.magic(buf, (err, result) => {
       should.not.exist(err);
       should.exist(result);
 
@@ -70,10 +68,10 @@ describe('Magic number', function() {
     });
   });
 
-  it('can be detected for a PNG file', function(done) {
-    var buf = constants.bufPng;
+  it('can be detected for a PNG file', (done) => {
+    const buf = constants.bufPng;
 
-    lib.magic(buf, function(err, result) {
+    lib.magic(buf, (err, result) => {
       should.not.exist(err);
       should.exist(result);
 
@@ -84,10 +82,10 @@ describe('Magic number', function() {
     });
   });
 
-  it('cannot be detected for a broken JPEG file', function(done) {
-    var buf = constants.bufBroken;
+  it('cannot be detected for a broken JPEG file', (done) => {
+    const buf = constants.bufBroken;
 
-    lib.magic(buf, function(err, result) {
+    lib.magic(buf, (err, result) => {
       should.exist(err);
       should.not.exist(result);
       err.should.be.an.instanceOf(Error);
diff --git a/test/re-encode.spec.js b/test/re-encode.spec.js
index ec06a4d..b8a13b9 100644
--- a/test/re-encode.spec.js
+++ b/test/re-encode.spec.js
@@ -1,32 +1,28 @@
-'use strict';
+import should from 'should';
+import path from 'path';
+import lib from '../index';
+import constants from './constants';
+import writer from './util/file-writer';
 
-var path = require('path');
-var should = require('should');
-var lib = require('../index');
-var constants = require('./constants');
-var writer = require('./util/file-writer');
+describe('Re-Encode', () => {
 
-
-describe('Re-Encode', function() {
-  this.timeout(60000);
-
-  it('can be used to process ' + constants.name420, function(done) {
-    var jpegData = constants.buf420;
-    lib.decode(jpegData, function(err, decoded) {
+  it('can be used to process ' + constants.name420, (done) => {
+    const jpegData = constants.buf420;
+    lib.decode(jpegData, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
       (decoded.width).should.be.eql(1052);
       (decoded.height).should.be.eql(1052);
       (decoded.data).should.be.instanceOf(Uint8Array);
 
-      var buf = decoded.data;
-      var options = {
+      const buf = decoded.data;
+      const options = {
         width: decoded.width,
         height: decoded.height,
         quality: 80
       };
 
-      lib.encode(buf, options, function(err, encoded) {
+      lib.encode(buf, options, (err, encoded) => {
         should.not.exist(err);
         should.exist(encoded);
         (encoded.width).should.be.eql(1052);
@@ -42,23 +38,23 @@ describe('Re-Encode', function() {
     });
   });
 
-  it('can be used to process ' + constants.name422h, function(done) {
-    var jpegData = constants.buf422h;
-    lib.decode(jpegData, { width: 1052, height: 1052 }, function(err, decoded) {
+  it('can be used to process ' + constants.name422h, (done) => {
+    const jpegData = constants.buf422h;
+    lib.decode(jpegData, { width: 1052, height: 1052 }, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
       (decoded.width).should.be.eql(1052);
       (decoded.height).should.be.eql(1052);
       (decoded.data).should.be.instanceOf(Uint8Array);
 
-      var buf = decoded.data;
-      var options = {
+      const buf = decoded.data;
+      const options = {
         width: decoded.width,
         height: decoded.height,
         quality: 80
       };
 
-      lib.encode(buf, options, function(err, encoded) {
+      lib.encode(buf, options, (err, encoded) => {
         should.not.exist(err);
         should.exist(encoded);
         (encoded.width).should.be.eql(1052);
@@ -74,23 +70,23 @@ describe('Re-Encode', function() {
     });
   });
 
-  it('can be used to process ' + constants.name422v, function(done) {
-    var jpegData = constants.buf422v;
-    lib.decode(jpegData, function(err, decoded) {
+  it('can be used to process ' + constants.name422v, (done) => {
+    const jpegData = constants.buf422v;
+    lib.decode(jpegData, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
       (decoded.width).should.be.eql(1052);
       (decoded.height).should.be.eql(1052);
       (decoded.data).should.be.instanceOf(Uint8Array);
 
-      var buf = decoded.data;
-      var options = {
+      const buf = decoded.data;
+      const options = {
         width: decoded.width,
         height: decoded.height,
         quality: 80
       };
 
-      lib.encode(buf, options, function(err, encoded) {
+      lib.encode(buf, options, (err, encoded) => {
         should.not.exist(err);
         should.exist(encoded);
         (encoded.width).should.be.eql(1052);
@@ -106,23 +102,23 @@ describe('Re-Encode', function() {
     });
   });
 
-  it('can be used to process ' + constants.nameExif, function(done) {
-    var jpegData = constants.bufExif;
-    lib.decode(jpegData, function(err, decoded) {
+  it('can be used to process ' + constants.nameExif, (done) => {
+    const jpegData = constants.bufExif;
+    lib.decode(jpegData, (err, decoded) => {
       should.not.exist(err);
       should.exist(decoded);
       (decoded.width).should.be.eql(1052);
       (decoded.height).should.be.eql(1052);
       (decoded.data).should.be.instanceOf(Uint8Array);
 
-      var buf = decoded.data;
-      var options = {
+      const buf = decoded.data;
+      const options = {
         width: decoded.width,
         height: decoded.height,
         quality: 80
       };
 
-      lib.encode(buf, options, function(err, encoded) {
+      lib.encode(buf, options, (err, encoded) => {
         should.not.exist(err);
         should.exist(encoded);
         (encoded.width).should.be.eql(1052);
@@ -138,4 +134,4 @@ describe('Re-Encode', function() {
     });
   });
 
-});
+}).timeout(60000);
diff --git a/test/util/file-writer.js b/test/util/file-writer.js
index bad9718..a127074 100644
--- a/test/util/file-writer.js
+++ b/test/util/file-writer.js
@@ -1,18 +1,16 @@
-'use strict';
-
-var fs = require('fs');
-var path = require('path');
+const fs = require('fs');
+const path = require('path');
 
 module.exports.writeFileSync = writeFileSync;
 
 /**
  * Write file to the `out` directory
  * NOTE: this method is used for test in node.js and disabled in browserify
- * @param filepath
- * @param arr
+ * @param filepath {string}
+ * @param arr {Buffer}
  */
 function writeFileSync(filepath, arr) {
-  var outDir = path.join(__dirname, '../out');
+  const outDir = path.join(__dirname, '../out');
 
   if(!fs.existsSync(outDir)) {
     fs.mkdirSync(outDir);