chore(lint): lint using standard

index.js

@@ -1,96 +1,98 @@
+'use strict'
 
 // based on https://github.com/gotwarlost/istanbul/blob/master/lib/hook.js
-'use strict'; //catch errors more easily
 
 /*
  Copyright (c) 2012, Yahoo! Inc.  All rights reserved.
- Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
- */
+ Copyrights licensed under the New BSD License.
+ See the accompanying LICENSE file for terms.
+*/
 
-var fs = require('fs'),
-  Module = require('module');
+const fs = require('fs')
+let Module = require('module')
 
-//dummy definition in case module is not available:
-if (!Module) Module = {};
-if (!Module._extensions) { console.log("dummy module def"); Module._extensions = []; }
+// dummy definition in case module is not available:
+if (!Module) Module = {}
+if (!Module._extensions) { console.log('dummy module def'); Module._extensions = [] }
 
-var originalLoaders = {};
-var nestedTransforms = {}; //allow nested transforms
+var originalLoaders = {}
+var nestedTransforms = {} // allow nested transforms
 
 var verify = {
   extension: function (str) {
     if (typeof str !== 'string') {
-      throw new Error('expected string extension, have ' + str);
+      throw new Error('expected string extension, have ' + str)
     }
     if (str[0] !== '.') {
-      throw new Error('Extension should start with dot, for example .js, have ' + str);
+      throw new Error('Extension should start with dot, for example .js, have ' + str)
     }
   },
   transform: function (fn) {
     if (typeof fn !== 'function') {
-      throw new Error('Transform should be a function, have ' + fn);
+      throw new Error('Transform should be a function, have ' + fn)
     }
   }
-};
+}
 
-function hook(extension, transform, options) {
-  options = options || {};
+function hook (extension, transform, options) {
+  options = options || {}
   if (typeof extension === 'function' &&
     typeof transform === 'undefined') {
-    transform = extension;
-    extension = '.js';
+    transform = extension
+    extension = '.js'
   }
   if (options.verbose) {
-    console.log('hooking transform', transform.name, 'for', extension);
+    console.log('hooking transform', transform.name, 'for', extension)
   }
 
-  verify.extension(extension);
-  verify.transform(transform);
-
-  if (!nestedTransforms[extension]) nestedTransforms[extension] = [];
-  if (!nestedTransforms[extension].length) //only store the first one -DJ
-    originalLoaders[extension] = Module._extensions[extension];
-  nestedTransforms[extension].push(transform); //allow nested transforms -DJ
+  verify.extension(extension)
+  verify.transform(transform)
 
+  if (!nestedTransforms[extension]) {
+    nestedTransforms[extension] = []
+  }
+  if (!nestedTransforms[extension].length) {
+    // only store the first one -DJ
+    originalLoaders[extension] = Module._extensions[extension]
+  }
+  nestedTransforms[extension].push(transform) // allow nested transforms -DJ
 
   Module._extensions[extension] = function (module, filename) {
     if (options.verbose) {
-      console.log('transforming', filename);
+      console.log('transforming', filename)
     }
-    var source = fs.readFileSync(filename, 'utf8');
-    var ret = null; //transform(source, filename);
-    nestedTransforms[extension].every(function(nested) //nesting order performs earlier first, later last
-    {
-//        console.log("IN: " + source);
-        ret = nested(source, filename);
-//        console.log("OUT: " + ret);
-//        if (typeof ret !== 'string') return false; //break
-//        if (!options.toString) return false; //stop here
-        source = ret + ""; //convert to string and keep going
-        return true; //continue
-    });
+    var source = fs.readFileSync(filename, 'utf8')
+    var ret = null // transform(source, filename);
+    nestedTransforms[extension].every(function (nested) {
+      // nesting order performs earlier first, later last
+      ret = nested(source, filename)
+      source = ret + '' // convert to string and keep going
+      return true // continue
+    })
     if (typeof ret === 'string') {
-      module._compile(ret, filename);
+      module._compile(ret, filename)
     } else if (options.verbose) {
-      console.error('transforming source from', filename, 'has not returned a string');
+      console.error('transforming source from', filename, 'has not returned a string')
     }
-  };
+  }
   if (options.verbose) {
-    console.log('hooked function');
+    console.log('hooked function')
   }
 }
 
-function unhook(extension) {
+function unhook (extension) {
   if (typeof extension === 'undefined') {
-    extension = '.js';
+    extension = '.js'
+  }
+  verify.extension(extension)
+  nestedTransforms[extension].pop() // assumes no stack underflow
+  if (!nestedTransforms[extension].length) {
+    // restore original only once
+    Module._extensions[extension] = originalLoaders[extension]
   }
-  verify.extension(extension);
-  nestedTransforms[extension].pop(); //assumes no stack underflow
-  if (!nestedTransforms[extension].length) //restore original only once
-    Module._extensions[extension] = originalLoaders[extension];
 }
 
 module.exports = {
   hook: hook,
   unhook: unhook
-};
+}

package.json

@@ -12,7 +12,9 @@
     "check": "autochecker 0.12.9 4.0 5.0 6",
     "check-0.12": "autochecker 0.12.6",
     "commit": "commit-wizard",
-    "size": "t=\"$(npm pack .)\"; wc -c \"${t}\"; tar tvf \"${t}\"; rm \"${t}\";"
+    "size": "t=\"$(npm pack .)\"; wc -c \"${t}\"; tar tvf \"${t}\"; rm \"${t}\";",
+    "lint": "standard --verbose --fix index.js",
+    "pretest": "npm run lint"
   },
   "repository": {
     "type": "git",
@@ -32,7 +34,8 @@
     "git-issues": "1.3.1",
     "gt": "0.10.0",
     "pre-git": "3.14.0",
-    "semantic-release": "6.3.6"
+    "semantic-release": "6.3.6",
+    "standard": "10.0.2"
   },
   "files": [
     "index.js",