fixed travis build

- support for web worker. #11

Changed
- throw error if input type is incorrect.
- prevent webpack to require dependencies.

.covignore

@@ -1,2 +1,2 @@
+/node_modules/
 /tests/
-node_modules/

.gitignore

@@ -1,2 +1,2 @@
-covreporter
+/node_modules/
-node_modules
+/covreporter/

.travis.yml

@@ -1,13 +1,20 @@
 language: node_js
 node_js:
-  - "4.1"
+  - "0.12.15"
-  - "4.0"
+  - "4.5"
-  - "0.12"
+  - "6.5.0"
-  - "0.11"
-  - "0.10"
 before_install:
   - npm install coveralls
   - npm install mocha-lcov-reporter
+install:
+  - CXX="g++-4.8" CC="gcc-4.8" npm install
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    packages:
+    - gcc-4.8
+    - g++-4.8
 script: npm run-script coveralls
 branches:
   only:

CHANGELOG.md

@@ -1,54 +1,74 @@
-# v0.4.1 / 2016-03-31
+# Change Log
 
-* Removed length detection in node.js.
+## v0.5.0 / 2017-07-14
-* Deprecated `buffer` and replace by `arrayBuffer`.
+### Added
+- support for web worker. #11
 
-# v0.4.0 / 2015-12-28
+### Changed
+- throw error if input type is incorrect.
+- prevent webpack to require dependencies.
 
-* Added support for update hash.
+## v0.4.2 / 2017-01-18
-* Added support for bytes array output.
+### Fixed
-* Added support for ArrayBuffer output.
+- `root` is undefined in some special environment. #7
-* Added support for AMD.
 
-# v0.3.0 / 2015-03-07
+## v0.4.1 / 2016-03-31
+### Removed
+- length detection in node.js.
+### Deprecated
+- `buffer` and replace by `arrayBuffer`.
 
-* Support byte Array, Uint8Array and ArrayBuffer input.
+## v0.4.0 / 2015-12-28
+### Added
+- support for update hash.
+- support for bytes array output.
+- support for ArrayBuffer output.
+- support for AMD.
 
-# v0.2.2 / 2015-02-01
+## v0.3.0 / 2015-03-07
+### Added
+- support byte Array, Uint8Array and ArrayBuffer input.
 
-* Fixed bug when special length.
+## v0.2.2 / 2015-02-01
-* Improve performance for node.js.
+### Fixed
+- bug when special length.
+### Improve
+- performance for node.js.
 
-# v0.2.1 / 2015-01-13
+## v0.2.1 / 2015-01-13
+### Improve
+- performance.
 
-* Improve performance.
+## v0.2.0 / 2015-01-12
+### Removed
+- ascii parameter.
+### Improve
+- performance.
 
-# v0.2.0 / 2015-01-12
+## v0.1.4 / 2015-01-11
+### Improve
+- performance.
+### Added
+- test cases.
 
-* Remove ascii parameter.
+## v0.1.3 / 2015-01-05
-* Improve performance.
+### Added
+- bower package.
+- travis.
+- coveralls.
+### Improved
+- performance.
+### Fixed
+- JSHint warnings.
 
-# v0.1.4 / 2015-01-11
+## v0.1.2 / 2014-07-27
+### Fixed
+- accents bug
 
-* Improve performance.
+## v0.1.1 / 2014-01-05
-* Add test case.
+### Changed
+- license
 
-# v0.1.3 / 2015-01-05
+## v0.1.0 / 2014-01-04
-
+### Added
-* Improve performance.
+- initial release
-* Add bower package.
-* Fixed JSHint warnings.
-* Add travis.
-* Add coveralls.
-
-# v0.1.2 / 2014-07-27
-
-Fixed accents bug
-
-# v0.1.1 / 2014-01-05
-
-Update license
-
-# v0.1.0 / 2014-01-04
-
-Initial release

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright 2014-2016 Chen, Yi-Cyuan
+Copyright 2014-2017 Chen, Yi-Cyuan
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

README.md

@@ -67,10 +67,6 @@ md5.arrayBuffer(''); // ArrayBuffer
 md5.buffer(''); // ArrayBuffer, deprecated, This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.
 ```
 
-## Benchmark
-[UTF8](http://jsperf.com/md5-shootout/81)  
-[ASCII](http://jsperf.com/md5-shootout/82)
-
 ## License
 The project is released under the [MIT license](http://www.opensource.org/licenses/MIT).
 

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "js-md5",
-  "version": "0.4.1",
+  "version": "0.5.0",
   "main": ["src/md5.js"],
   "ignore": [
     "tests"

doc/Md5_.html

@@ -91,7 +91,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line149">line 149</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line162">line 162</a>
     </li></ul></dd>
     
 
@@ -198,7 +198,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line531">line 531</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line556">line 556</a>
     </li></ul></dd>
     
 
@@ -314,7 +314,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line543">line 543</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line568">line 568</a>
     </li></ul></dd>
     
 
@@ -432,7 +432,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line565">line 565</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line590">line 590</a>
     </li></ul></dd>
     
 
@@ -548,7 +548,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line509">line 509</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line534">line 534</a>
     </li></ul></dd>
     
 
@@ -664,7 +664,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line464">line 464</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line489">line 489</a>
     </li></ul></dd>
     
 
@@ -780,7 +780,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line497">line 497</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line522">line 522</a>
     </li></ul></dd>
     
 
@@ -954,7 +954,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line177">line 177</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line190">line 190</a>
     </li></ul></dd>
     
 
@@ -1031,7 +1031,7 @@
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.0</a> on Thu Mar 31 2016 16:24:21 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.3</a> on Fri Jul 14 2017 12:58:59 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>

doc/global.html

@@ -210,7 +210,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line583">line 583</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line608">line 608</a>
     </li></ul></dd>
     
 
@@ -285,7 +285,7 @@
 
 
 
-</div>
+</div>
 
 <nav>
     <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Md5_.html">Md5</a></li></ul><h3>Namespaces</h3><ul><li><a href="md5.html">md5</a></li></ul><h3>Global</h3><ul><li><a href="global.html#md5%2508">md5</a></li></ul>

doc/index.html

@@ -77,8 +77,7 @@ md5.hex(''); // d41d8cd98f00b204e9800998ecf8427e
 md5.array(''); // [212, 29, 140, 217, 143, 0, 178, 4, 233, 128, 9, 152, 236, 248, 66, 126]
 md5.digest(''); // [212, 29, 140, 217, 143, 0, 178, 4, 233, 128, 9, 152, 236, 248, 66, 126]
 md5.arrayBuffer(''); // ArrayBuffer
-md5.buffer(''); // ArrayBuffer, deprecated, This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.</code></pre><h2>Benchmark</h2><p><a href="http://jsperf.com/md5-shootout/81">UTF8</a><br><a href="http://jsperf.com/md5-shootout/82">ASCII</a></p>
+md5.buffer(''); // ArrayBuffer, deprecated, This maybe confuse with Buffer in node.js. Please use arrayBuffer instead.</code></pre><h2>License</h2><p>The project is released under the <a href="http://www.opensource.org/licenses/MIT">MIT license</a>.</p>
-<h2>License</h2><p>The project is released under the <a href="http://www.opensource.org/licenses/MIT">MIT license</a>.</p>
 <h2>Contact</h2><p>The project's website is located at https://github.com/emn178/js-md5<br>Author: Chen, Yi-Cyuan (emn178@gmail.com)</p></article>
     </section>
 
@@ -96,7 +95,7 @@ md5.buffer(''); // ArrayBuffer, deprecated, This maybe confuse with Buffer in no
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.0</a> on Thu Mar 31 2016 16:24:21 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.3</a> on Fri Jul 14 2017 12:58:59 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>

doc/md5.html

@@ -47,7 +47,7 @@
 
     
     <dt class="tag-version">Version:</dt>
-    <dd class="tag-version"><ul class="dummy"><li>0.4.0</li></ul></dd>
+    <dd class="tag-version"><ul class="dummy"><li>0.5.0</li></ul></dd>
     
 
     
@@ -75,7 +75,7 @@
 
     
     <dt class="tag-copyright">Copyright:</dt>
-    <dd class="tag-copyright"><ul class="dummy"><li>Chen, Yi-Cyuan 2014-2016</li></ul></dd>
+    <dd class="tag-copyright"><ul class="dummy"><li>Chen, Yi-Cyuan 2014-2017</li></ul></dd>
     
 
     
@@ -233,7 +233,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line52">line 52</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line67">line 67</a>
     </li></ul></dd>
     
 
@@ -400,7 +400,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line61">line 61</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line76">line 76</a>
     </li></ul></dd>
     
 
@@ -569,7 +569,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line70">line 70</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line85">line 85</a>
     </li></ul></dd>
     
 
@@ -678,7 +678,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line86">line 86</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line101">line 101</a>
     </li></ul></dd>
     
 
@@ -845,7 +845,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line43">line 43</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line58">line 58</a>
     </li></ul></dd>
     
 
@@ -1012,7 +1012,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line32">line 32</a>
+        <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line47">line 47</a>
     </li></ul></dd>
     
 
@@ -1179,7 +1179,7 @@
     
 
     
-    <dt class="tag-source">Source:</dt>
+    <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
         <a href="md5.js.html">md5.js</a>, <a href="md5.js.html#line109">line 109</a>
     </li></ul></dd>
@@ -1254,7 +1254,7 @@
 
 <nav>
     <h2><a href="index.html">Home</a></h2><h3>Classes</h3><ul><li><a href="Md5_.html">Md5</a></li></ul><h3>Namespaces</h3><ul><li><a href="md5.html">md5</a></li></ul><h3>Global</h3><ul><li><a href="global.html#md5%2508">md5</a></li></ul>
-</nav>
+</nav>
 
 <br class="clear">
 

doc/md5.js.html

@@ -30,21 +30,30 @@
  * [js-md5]{@link https://github.com/emn178/js-md5}
  *
  * @namespace md5
- * @version 0.4.0
+ * @version 0.5.0
  * @author Chen, Yi-Cyuan [emn178@gmail.com]
- * @copyright Chen, Yi-Cyuan 2014-2016
+ * @copyright Chen, Yi-Cyuan 2014-2017
  * @license MIT
  */
-(function (root) {
+(function () {
   'use strict';
 
-  var NODE_JS = typeof process == 'object' && process.versions && process.versions.node;
+  var ERROR = 'input is invalid type';
+  var WINDOW = typeof window === 'object';
+  var root = WINDOW ? window : {};
+  if (root.JS_MD5_NO_WINDOW) {
+    WINDOW = false;
+  }
+  var WEB_WORKER = !WINDOW && typeof self === 'object';
+  var NODE_JS = !root.JS_MD5_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
   if (NODE_JS) {
     root = global;
+  } else if (WEB_WORKER) {
+    root = self;
   }
-  var COMMON_JS = !root.JS_MD5_TEST && typeof module == 'object' && module.exports;
+  var COMMON_JS = !root.JS_MD5_NO_COMMON_JS && typeof module === 'object' && module.exports;
-  var AMD = typeof define == 'function' && define.amd;
+  var AMD = typeof define === 'function' && define.amd;
-  var ARRAY_BUFFER = !root.JS_MD5_TEST && typeof ArrayBuffer != 'undefined';
+  var ARRAY_BUFFER = !root.JS_MD5_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
   var HEX_CHARS = '0123456789abcdef'.split('');
   var EXTRA = [128, 32768, 8388608, -2147483648];
   var SHIFT = [0, 8, 16, 24];
@@ -57,6 +66,12 @@
     blocks = new Uint32Array(buffer);
   }
 
+  if (root.JS_MD5_NO_NODE_JS || !Array.isArray) {
+    Array.isArray = function (obj) {
+      return Object.prototype.toString.call(obj) === '[object Array]';
+    };
+  }
+
   /**
    * @method hex
    * @memberof md5
@@ -142,7 +157,7 @@
     method.update = function (message) {
       return method.create().update(message);
     };
-    for (var i = 0;i < OUTPUT_TYPES.length;++i) {
+    for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
       var type = OUTPUT_TYPES[i];
       method[type] = createOutputMethod(type);
     }
@@ -150,26 +165,24 @@
   };
 
   var nodeWrap = function (method) {
-    var crypto, Buffer;
+    var crypto = eval("require('crypto')");
-    try {
+    var Buffer = eval("require('buffer').Buffer");
-      if (root.JS_MD5_TEST) {
-        throw 'JS_MD5_TEST';
-      }
-      crypto = require('crypto');
-      Buffer = require('buffer').Buffer;
-    } catch (e) {
-      console.log(e);
-      return method;
-    }
     var nodeMethod = function (message) {
-      if (typeof message == 'string') {
+      if (typeof message === 'string') {
         return crypto.createHash('md5').update(message, 'utf8').digest('hex');
-      } else if (message.constructor == ArrayBuffer) {
+      } else {
-        message = new Uint8Array(message);
+        if (message === null || message === undefined) {
-      } else if (message.length === undefined) {
+          throw ERROR;
+        } else if (message.constructor === ArrayBuffer) {
+          message = new Uint8Array(message);
+        }
+      }
+      if (Array.isArray(message) || ArrayBuffer.isView(message) ||
+        message.constructor === Buffer) {
+        return crypto.createHash('md5').update(new Buffer(message)).digest('hex');
+      } else {
         return method(message);
       }
-      return crypto.createHash('md5').update(new Buffer(message)).digest('hex');
     };
     return nodeMethod;
   };
@@ -216,10 +229,22 @@
       return;
     }
     var notString = typeof(message) != 'string';
-    if (notString && message.constructor == root.ArrayBuffer) {
+    if (notString) {
-      message = new Uint8Array(message);
+      if (message === null || message === undefined) {
+        throw ERROR;
+      } else if (message.constructor === root.ArrayBuffer) {
+        message = new Uint8Array(message);
+      }
     }
-    var code, index = 0, i, length = message.length || 0, blocks = this.blocks;
+    var length = message.length;
+    if (notString) {
+      if (typeof length !== 'number' ||
+        !Array.isArray(message) && 
+        !(ARRAY_BUFFER && ArrayBuffer.isView(message))) {
+        throw ERROR;
+      }
+    }
+    var code, index = 0, i, blocks = this.blocks;
     var buffer8 = this.buffer8;
 
     while (index < length) {
@@ -234,17 +259,17 @@
 
       if (notString) {
         if (ARRAY_BUFFER) {
-          for (i = this.start;index < length && i < 64; ++index) {
+          for (i = this.start; index < length && i < 64; ++index) {
             buffer8[i++] = message[index];
           }
         } else {
-          for (i = this.start;index < length && i < 64; ++index) {
+          for (i = this.start; index < length && i < 64; ++index) {
             blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
           }
         }
       } else {
         if (ARRAY_BUFFER) {
-          for (i = this.start;index < length && i < 64; ++index) {
+          for (i = this.start; index < length && i < 64; ++index) {
             code = message.charCodeAt(index);
             if (code < 0x80) {
               buffer8[i++] = code;
@@ -264,7 +289,7 @@
             }
           }
         } else {
-          for (i = this.start;index < length && i < 64; ++index) {
+          for (i = this.start; index < length && i < 64; ++index) {
             code = message.charCodeAt(index);
             if (code < 0x80) {
               blocks[i >> 2] |= code << SHIFT[i++ & 3];
@@ -632,7 +657,7 @@
       });
     }
   }
-}(this));
+})();
 </code></pre>
         </article>
     </section>
@@ -649,7 +674,7 @@
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.0</a> on Thu Mar 31 2016 16:24:20 GMT+0800 (CST)
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.3</a> on Fri Jul 14 2017 12:58:59 GMT+0800 (CST)
 </footer>
 
 <script> prettyPrint(); </script>

doc/styles/jsdoc-default.css

@@ -153,7 +153,7 @@ h1
     margin: 12px 24px 20px;
 }
 
-h2, h3
+h2, h3.subsection-title
 {
     font-size: 30px;
     font-weight: 700;
@@ -161,6 +161,13 @@ h2, h3
     margin-bottom: 12px;
 }
 
+h3
+{
+    font-size: 24px;
+    letter-spacing: -0.5px;
+    margin-bottom: 12px;
+}
+
 h4
 {
     font-size: 18px;
@@ -185,6 +192,32 @@ h6
     font-style: italic;
 }
 
+table
+{
+    border-spacing: 0;
+    border: 0;
+    border-collapse: collapse;
+}
+
+td, th
+{
+    border: 1px solid #ddd;
+    margin: 0px;
+    text-align: left;
+    vertical-align: top;
+    padding: 4px 6px;
+    display: table-cell;
+}
+
+thead tr
+{
+    background-color: #ddd;
+    font-weight: bold;
+}
+
+th { border-right: 1px solid #aaa; }
+tr > th:last-child { border-right: 1px solid #ddd; }
+
 .ancestors { color: #999; }
 .ancestors a
 {
@@ -296,44 +329,12 @@ h6
   user-select: text;
 }
 
-.params, .props
-{
-    border-spacing: 0;
-    border: 0;
-    border-collapse: collapse;
-}
-
 .params .name, .props .name, .name code {
     color: #4D4E53;
     font-family: Consolas, Monaco, 'Andale Mono', monospace;
     font-size: 100%;
 }
 
-.params td, .params th, .props td, .props th
-{
-    border: 1px solid #ddd;
-    margin: 0px;
-    text-align: left;
-    vertical-align: top;
-    padding: 4px 6px;
-    display: table-cell;
-}
-
-.params thead tr, .props thead tr
-{
-    background-color: #ddd;
-    font-weight: bold;
-}
-
-.params .params thead tr, .props .props thead tr
-{
-    background-color: #fff;
-    font-weight: bold;
-}
-
-.params th, .props th { border-right: 1px solid #aaa; }
-.params thead .last, .props thead .last { border-right: 1px solid #ddd; }
-
 .params td.description > p:first-child,
 .props td.description > p:first-child
 {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "js-md5",
-  "version": "0.4.1",
+  "version": "0.5.0",
   "description": "A simple MD5 hash function for JavaScript supports UTF-8 encoding.",
   "main": "src/md5.js",
   "devDependencies": {
@@ -9,7 +9,8 @@
     "jsdoc": "^3.4.0",
     "mocha": "~2.3.4",
     "requirejs": "^2.1.22",
-    "uglifyjs": "~2.4.10"
+    "uglifyjs": "~2.4.10",
+    "webworker-threads": "^0.7.11"
   },
   "scripts": {
     "test": "mocha tests/node-test.js -r jscoverage",

src/md5.js

@@ -2,21 +2,30 @@
  * [js-md5]{@link https://github.com/emn178/js-md5}
  *
  * @namespace md5
- * @version 0.4.0
+ * @version 0.5.0
  * @author Chen, Yi-Cyuan [emn178@gmail.com]
- * @copyright Chen, Yi-Cyuan 2014-2016
+ * @copyright Chen, Yi-Cyuan 2014-2017
  * @license MIT
  */
-(function (root) {
+(function () {
   'use strict';
 
-  var NODE_JS = typeof process == 'object' && process.versions && process.versions.node;
+  var ERROR = 'input is invalid type';
+  var WINDOW = typeof window === 'object';
+  var root = WINDOW ? window : {};
+  if (root.JS_MD5_NO_WINDOW) {
+    WINDOW = false;
+  }
+  var WEB_WORKER = !WINDOW && typeof self === 'object';
+  var NODE_JS = !root.JS_MD5_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
   if (NODE_JS) {
     root = global;
+  } else if (WEB_WORKER) {
+    root = self;
   }
-  var COMMON_JS = !root.JS_MD5_TEST && typeof module == 'object' && module.exports;
+  var COMMON_JS = !root.JS_MD5_NO_COMMON_JS && typeof module === 'object' && module.exports;
-  var AMD = typeof define == 'function' && define.amd;
+  var AMD = typeof define === 'function' && define.amd;
-  var ARRAY_BUFFER = !root.JS_MD5_TEST && typeof ArrayBuffer != 'undefined';
+  var ARRAY_BUFFER = !root.JS_MD5_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
   var HEX_CHARS = '0123456789abcdef'.split('');
   var EXTRA = [128, 32768, 8388608, -2147483648];
   var SHIFT = [0, 8, 16, 24];
@@ -29,6 +38,12 @@
     blocks = new Uint32Array(buffer);
   }
 
+  if (root.JS_MD5_NO_NODE_JS || !Array.isArray) {
+    Array.isArray = function (obj) {
+      return Object.prototype.toString.call(obj) === '[object Array]';
+    };
+  }
+
   /**
    * @method hex
    * @memberof md5
@@ -114,7 +129,7 @@
     method.update = function (message) {
       return method.create().update(message);
     };
-    for (var i = 0;i < OUTPUT_TYPES.length;++i) {
+    for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
       var type = OUTPUT_TYPES[i];
       method[type] = createOutputMethod(type);
     }
@@ -122,26 +137,24 @@
   };
 
   var nodeWrap = function (method) {
-    var crypto, Buffer;
+    var crypto = eval("require('crypto')");
-    try {
+    var Buffer = eval("require('buffer').Buffer");
-      if (root.JS_MD5_TEST) {
-        throw 'JS_MD5_TEST';
-      }
-      crypto = require('crypto');
-      Buffer = require('buffer').Buffer;
-    } catch (e) {
-      console.log(e);
-      return method;
-    }
     var nodeMethod = function (message) {
-      if (typeof message == 'string') {
+      if (typeof message === 'string') {
         return crypto.createHash('md5').update(message, 'utf8').digest('hex');
-      } else if (message.constructor == ArrayBuffer) {
+      } else {
-        message = new Uint8Array(message);
+        if (message === null || message === undefined) {
-      } else if (message.length === undefined) {
+          throw ERROR;
+        } else if (message.constructor === ArrayBuffer) {
+          message = new Uint8Array(message);
+        }
+      }
+      if (Array.isArray(message) || ArrayBuffer.isView(message) ||
+        message.constructor === Buffer) {
+        return crypto.createHash('md5').update(new Buffer(message)).digest('hex');
+      } else {
         return method(message);
       }
-      return crypto.createHash('md5').update(new Buffer(message)).digest('hex');
     };
     return nodeMethod;
   };
@@ -188,10 +201,22 @@
       return;
     }
     var notString = typeof(message) != 'string';
-    if (notString && message.constructor == root.ArrayBuffer) {
+    if (notString) {
-      message = new Uint8Array(message);
+      if (message === null || message === undefined) {
+        throw ERROR;
+      } else if (message.constructor === root.ArrayBuffer) {
+        message = new Uint8Array(message);
+      }
     }
-    var code, index = 0, i, length = message.length || 0, blocks = this.blocks;
+    var length = message.length;
+    if (notString) {
+      if (typeof length !== 'number' ||
+        !Array.isArray(message) && 
+        !(ARRAY_BUFFER && ArrayBuffer.isView(message))) {
+        throw ERROR;
+      }
+    }
+    var code, index = 0, i, blocks = this.blocks;
     var buffer8 = this.buffer8;
 
     while (index < length) {
@@ -206,17 +231,17 @@
 
       if (notString) {
         if (ARRAY_BUFFER) {
-          for (i = this.start;index < length && i < 64; ++index) {
+          for (i = this.start; index < length && i < 64; ++index) {
             buffer8[i++] = message[index];
           }
         } else {
-          for (i = this.start;index < length && i < 64; ++index) {
+          for (i = this.start; index < length && i < 64; ++index) {
             blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
           }
         }
       } else {
         if (ARRAY_BUFFER) {
-          for (i = this.start;index < length && i < 64; ++index) {
+          for (i = this.start; index < length && i < 64; ++index) {
             code = message.charCodeAt(index);
             if (code < 0x80) {
               buffer8[i++] = code;
@@ -236,7 +261,7 @@
             }
           }
         } else {
-          for (i = this.start;index < length && i < 64; ++index) {
+          for (i = this.start; index < length && i < 64; ++index) {
             code = message.charCodeAt(index);
             if (code < 0x80) {
               blocks[i >> 2] |= code << SHIFT[i++ & 3];
@@ -604,4 +629,4 @@
       });
     }
   }
-}(this));
+})();

tests/node-test.js

@@ -1,12 +1,31 @@
-md5 = require('../src/md5.js');
 expect = require('expect.js');
+Worker = require('webworker-threads').Worker;
+
+// Node.js env
+BUFFER = true;
+md5 = require('../src/md5.js');
 require('./test.js');
 
 delete require.cache[require.resolve('../src/md5.js')]
 delete require.cache[require.resolve('./test.js')]
 md5 = null
 
-JS_MD5_TEST = true;
+// Webpack browser env
+JS_MD5_NO_NODE_JS = true;
+BUFFER = false;
+window = global;
+md5 = require('../src/md5.js');
+require('./test.js');
+
+delete require.cache[require.resolve('../src/md5.js')];
+delete require.cache[require.resolve('./test.js')];
+md5 = null;
+
+// browser env
+JS_MD5_NO_NODE_JS = true;
+JS_MD5_NO_COMMON_JS = true;
+BUFFER = false;
+window = global;
 require('../src/md5.js');
 require('./test.js');
 
@@ -14,6 +33,25 @@ delete require.cache[require.resolve('../src/md5.js')];
 delete require.cache[require.resolve('./test.js')];
 md5 = null;
 
+// browser env and no array buffer
+JS_MD5_NO_NODE_JS = true;
+JS_MD5_NO_COMMON_JS = true;
+JS_MD5_NO_ARRAY_BUFFER = true;
+BUFFER = false;
+window = global;
+require('../src/md5.js');
+require('./test.js');
+
+delete require.cache[require.resolve('../src/md5.js')];
+delete require.cache[require.resolve('./test.js')];
+md5 = null;
+
+// browser AMD
+JS_MD5_NO_NODE_JS = true;
+JS_MD5_NO_COMMON_JS = true;
+JS_MD5_NO_ARRAY_BUFFER = false;
+BUFFER = false;
+window = global;
 define = function (func) {
   md5 = func();
   require('./test.js');
@@ -21,3 +59,42 @@ define = function (func) {
 define.amd = true;
 
 require('../src/md5.js');
+
+delete require.cache[require.resolve('../src/md5.js')];
+delete require.cache[require.resolve('./test.js')];
+md5 = null;
+
+// webworker
+WORKER = 'tests/worker.js';
+SOURCE = 'src/md5.js';
+
+require('./worker-test.js');
+
+// cover webworker
+JS_MD5_NO_WINDOW = true;
+JS_MD5_NO_NODE_JS = true;
+JS_MD5_NO_COMMON_JS = false;
+JS_MD5_NO_ARRAY_BUFFER = false;
+BUFFER = false;
+WORKER = './worker.js';
+SOURCE = '../src/md5.js';
+window = global;
+self = global;
+
+Worker = function (file) {
+  require(file);
+  currentWorker = this;
+
+  this.postMessage = function (data) {
+    onmessage({data: data});
+  };
+}
+
+postMessage = function (data) {
+  currentWorker.onmessage({data: data});
+}
+
+importScripts = function () {};
+
+md5 = require('../src/md5.js');
+require('./worker-test.js');

tests/test.js

@@ -2,7 +2,7 @@
   Array.prototype.toHexString = ArrayBuffer.prototype.toHexString = function () {
     var array = new Uint8Array(this);
     var hex = '';
-    for (var i = 0;i < array.length;++i) {
+    for (var i = 0; i < array.length; ++i) {
       var c = array[i].toString('16');
       hex += c.length == 1 ? '0' + c : c;
     }
@@ -42,29 +42,30 @@
       'd41d8cd98f00b204e9800998ecf8427e': [],
       '93b885adfe0da089cdf634904fd59f71': [0],
       '9e107d9d372bb6826bd81d3542a419d6': [84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103]
-    },
-    'Uint8Array': {
-      '9e107d9d372bb6826bd81d3542a419d6': new Uint8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103])
-    },
-    'Int8Array': {
-      '9e107d9d372bb6826bd81d3542a419d6': new Int8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103])
-    },
-    'ArrayBuffer': {
-      '93b885adfe0da089cdf634904fd59f71': new ArrayBuffer(1)
-    },
-    'Object': {
-      'd41d8cd98f00b204e9800998ecf8427e': {},
-      'd41d8cd98f00b204e9800998ecf8427e': {what: 'ever'}
     }
   };
 
-  if (typeof process == 'object') {
+  if (!(typeof JS_MD5_NO_ARRAY_BUFFER === 'boolean' && JS_MD5_NO_ARRAY_BUFFER)) {
+    testCases['Uint8Array'] = {
+      '9e107d9d372bb6826bd81d3542a419d6': new Uint8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103])
+    };
+    testCases['Int8Array'] = {
+      '9e107d9d372bb6826bd81d3542a419d6': new Int8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103])
+    };
+    testCases['ArrayBuffer'] = {
+      '93b885adfe0da089cdf634904fd59f71': new ArrayBuffer(1)
+    };
+  }
+
+  if (typeof BUFFER === 'boolean' && BUFFER) {
     testCases['Buffer'] = {
       'd41d8cd98f00b204e9800998ecf8427e': new Buffer(0),
       '9e107d9d372bb6826bd81d3542a419d6': new Buffer(new Uint8Array([84, 104, 101, 32, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 32, 106, 117, 109, 112, 115, 32, 111, 118, 101, 114, 32, 116, 104, 101, 32, 108, 97, 122, 121, 32, 100, 111, 103]))
     }
   }
 
+  var errorTestCases = [null, undefined, { length: 0 }, 0, 1, false, true, NaN, Infinity, function () {}];
+
   var methods = [
     {
       name: 'md5',
@@ -154,26 +155,26 @@
     }
   ];
 
-  methods.forEach(function (method) {
+  describe('md5', function () {
-    describe('#' + method.name, function () {
+    methods.forEach(function (method) {
-      for (var testCaseName in testCases) {
+      describe('#' + method.name, function () {
-        (function (testCaseName) {
+        for (var testCaseName in testCases) {
-          var testCase = testCases[testCaseName];
+          (function (testCaseName) {
-          context('when ' + testCaseName, function () {
+            var testCase = testCases[testCaseName];
-            for (var hash in testCase) {
+            context('when ' + testCaseName, function () {
-              (function (message, hash) {
+              for (var hash in testCase) {
-                it('should be equal', function () {
+                (function (message, hash) {
-                  expect(method.call(message)).to.be(hash);
+                  it('should be equal', function () {
-                });
+                    expect(method.call(message)).to.be(hash);
-              })(testCase[hash], hash);
+                  });
-            }
+                })(testCase[hash], hash);
-          });
+              }
-        })(testCaseName);
+            });
-      }
+          })(testCaseName);
+        }
+      });
     });
-  });
 
-  describe('Md5', function () {
     classMethods.forEach(function (method) {
       describe('#' + method.name, function () {
         for (var testCaseName in testCases) {
@@ -192,5 +193,17 @@
         }
       });
     });
+
+    describe('#md5', function () {
+      errorTestCases.forEach(function (testCase) {
+        context('when ' + testCase, function () {
+          it('should throw error', function () {
+            expect(function () {
+              md5(testCase);
+            }).to.throwError(/input is invalid type/);
+          });
+        });
+      });
+    });
   });
 })(md5);

tests/worker-test.js

@@ -0,0 +1,21 @@
+(function () {
+  var cases = {
+    'd41d8cd98f00b204e9800998ecf8427e': '',
+    '9e107d9d372bb6826bd81d3542a419d6': 'The quick brown fox jumps over the lazy dog',
+    'e4d909c290d0fb1ca068ffaddf22cbd0': 'The quick brown fox jumps over the lazy dog.'
+  };
+
+  describe('#md5', function () {
+    Object.keys(cases).forEach(function (hash) {
+      it('should be equal', function (done) {
+        var worker = new Worker(WORKER);
+        worker.onmessage = function(event) {
+          expect(event.data).to.be(hash);
+          done();
+        };
+        worker.postMessage(SOURCE);
+        worker.postMessage(cases[hash]);
+      });
+    });
+  });
+})();

tests/worker.html

@@ -0,0 +1,26 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>MD5</title>
+  <link rel="stylesheet" href="../node_modules/mocha/mocha.css">
+  <script src="../node_modules/mocha/mocha.js"></script>
+  <script src="../node_modules/expect.js/index.js"></script>
+  <script src="../src/md5.js"></script>
+</head>
+<body>
+  <div id="mocha"></div>
+  <script>
+    WORKER = 'worker.js';
+    SOURCE = '../src/md5.js';
+    mocha.setup('bdd');
+  </script>
+  <script src="worker-test.js"></script>
+  <script>
+    mocha.checkLeaks();
+    mocha.run();
+  </script>
+  <script>
+  </script>
+</body>
+</html>

tests/worker.js

@@ -0,0 +1,12 @@
+var imported = false;
+onmessage = function(e) {
+  if (imported) {
+    postMessage(md5(e.data));
+    if (typeof exports !== 'undefined') {
+      imported = false;
+    }
+  } else {
+    imported = true;
+    importScripts(e.data);
+  }
+}