[refactor] Use javascript instead of coffescript, removing that depen…

…dency.

.gitignore

@@ -1,6 +1,5 @@
 build/*
 .lock-wscript
-/snappy.js
 /lib/config.h
 /lib/config.log
 /lib/config.status

package.json

@@ -13,14 +13,12 @@
     "lib": "."
   },
   "scripts": {
-    "test": "vows test.coffee --spec"
+    "test": "vows test.js --spec"
   },
   "engines": {
     "node": ">= 0.4.5"
   },
-  "dependencies": {
-    "coffee-script": ">= 1.1.0"
-  },
+  "dependencies": {},
   "devDependencies": {
     "vows": ">= 0.5.8"
   }

snappy.js

@@ -0,0 +1,121 @@
+/*
+  Copyright (c) 2011 David Björklund
+
+  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 OR COPYRIGHT HOLDERS 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.
+*/
+
+/*
+ * The c++-module.
+ */
+var binding = require('./build/default/binding');
+
+/*
+ * Parsers, used to parse a buffer when decompressing.
+ */
+var parsers = exports.parsers = {
+  json: function(buffer) {
+    return JSON.parse(buffer);
+  },
+  string: function(buffer) {
+    return buffer.toString("utf8");
+  },
+  raw: function(buffer) {
+    return buffer;
+  }
+};
+
+/**
+ * Compress asyncronous.
+ * If input isn't a string or buffer, automatically convert to buffer by using
+ * JSON.stringify.
+ */
+exports.compress = function(input, callback) {
+  if (!(typeof input === 'string' || Buffer.isBuffer(input))) {
+    input = JSON.stringify(input);
+  }
+  return binding.compress(input, callback);
+};
+
+/**
+ * Compress syncronous.
+ * If input isn't a string or buffer, automatically convert to buffer by using
+ * JSON.stringify.
+ */
+exports.compressSync = function(input, callback) {
+  if (!(typeof input === 'string' || Buffer.isBuffer(input))) {
+    input = JSON.stringify(input);
+  }
+  return binding.compressSync(input, callback);
+};
+
+/**
+ * Asyncronous decide if a buffer is compressed in a correct way.
+ */
+exports.isValidCompressed = function(input, callback) {
+  return binding.isValidCompressed(input, callback);
+};
+
+/**
+ * Syncronous decide if a buffer is compressed in a correct way.
+ */
+exports.isValidCompressedSync = function(input, callback) {
+  return binding.isValidCompressedSync(input, callback);
+};
+
+/**
+ * Asyncronous uncompress previously compressed data.
+ * A parser can be attached. If no parser is attached, return buffer.
+ */
+exports.uncompress = function(compressed, callback, parse) {
+  if (parse == null) {
+    parse = parsers.raw;
+  }
+  return binding.uncompress(compressed, function(err, data) {
+    if (data != null) {
+      data = parse(data);
+    }
+    return callback(err, data);
+  });
+};
+
+/**
+ * Alias to uncompress.
+ */
+exports.decompress = exports.uncompress;
+
+/**
+ * Syncronous uncompress previously compressed data.
+ * A parser can be attached. If no parser is attached, return buffer.
+ */
+exports.uncompressSync = function(compressed, callback, parse) {
+  if (parse == null) {
+    parse = parsers.raw;
+  }
+  return binding.uncompressSync(compressed, function(err, data) {
+    if (data != null) {
+      data = parse(data);
+    }
+    return callback(err, data);
+  });
+};
+
+/**
+ * Alias to decompressSync.
+ */
+exports.decompressSync = exports.uncompressSync;