js-crc - npm Package Compare versions

Comparing version 0.1.0 to 0.2.0

bower.json

 {
   "name": "js-crc",
-  "version": "0.1.0",
-  "main": ["build/crc.min.js"],
+  "version": "0.2.0",
+  "main": ["src/crc.js"],
   "ignore": [
@@ -6,0 +6,0 @@ "samples",

build/crc.min.js

@@ -1,12 +0,10 @@
-/*
- * js-crc v0.1.0
- * https://github.com/emn178/js-crc
+/**
+ * [js-crc]{@link https://github.com/emn178/js-crc}
  *
- * Copyright 2015, [e-mail]
- *
- * Licensed under the MIT license:
- * http://www.opensource.org/licenses/MIT
+ * @namespace crc
+ * @version 0.2.0
+ * @author Chen, Yi-Cyuan [[e-mail]]
+ * @copyright Chen, Yi-Cyuan 2015-2017
+ * @license MIT
  */
-(function(m,t){var r="undefined"!=typeof module;r&&(m=global);var g="0123456789abcdef".split(""),n=[{name:"crc32",polynom:3988292384,initValue:-1,bytes:4},{name:"crc16",polynom:40961,initValue:0,bytes:2}],c,l,p,k;for(c=0;c<n.length;++c){var e=n[c];e.method=function(c){return function(a){var d=a,b="string"!=typeof d;b&&d.constructor==ArrayBuffer&&(d=new Uint8Array(d));a=c.initValue;var f,e=d.length,h=c.table;if(b)for(f=0;f<e;++f)a=h[(a^d[f])&255]^a>>>8;else for(f=0;f<e;++f)b=d.charCodeAt(f),128>b?
-a=h[(a^b)&255]^a>>>8:(2048>b?a=h[(a^(192|b>>6))&255]^a>>>8:(55296>b||57344<=b?a=h[(a^(224|b>>12))&255]^a>>>8:(b=65536+((b&1023)<<10|d.charCodeAt(++f)&1023),a=h[(a^(240|b>>18))&255]^a>>>8,a=h[(a^(128|b>>12&63))&255]^a>>>8),a=h[(a^(128|b>>6&63))&255]^a>>>8),a=h[(a^(128|b&63))&255]^a>>>8);a^=c.initValue;d="";2<c.bytes&&(d+=g[a>>28&15]+g[a>>24&15]+g[a>>20&15]+g[a>>16&15]);return d+=g[a>>12&15]+g[a>>8&15]+g[a>>4&15]+g[a&15]}}(e);e.table=[];for(l=0;256>l;++l){k=l;for(p=0;8>p;++p)k=k&1?e.polynom^k>>>1:k>>>
-1;e.table[l]=k>>>0}}var q;!m.HI_CRC32_TEST&&r?q=module.exports={}:m&&(q=m);for(c=0;c<n.length;++c)e=n[c],q[e.name]=e.method})(this);
+!function(){"use strict";var e="object"==typeof window?window:{},o=!e.JS_CRC_NO_NODE_JS&&"object"==typeof process&&process.versions&&process.versions.node;o&&(e=global);var n,t,r,f,a=!e.JS_CRC_NO_COMMON_JS&&"object"==typeof module&&module.exports,i="function"==typeof define&&define.amd,l=!e.JS_CRC_NO_ARRAY_BUFFER&&"undefined"!=typeof ArrayBuffer,s="0123456789abcdef".split(""),c=[{name:"crc32",polynom:3988292384,initValue:-1,bytes:4},{name:"crc16",polynom:40961,initValue:0,bytes:2}];for(n=0;n<c.length;++n){var u=c[n];for(u.method=function(e){return function(o){return d(o,e)}}(u),u.table=[],t=0;256>t;++t){for(f=t,r=0;8>r;++r)f=1&f?u.polynom^f>>>1:f>>>1;u.table[t]=f>>>0}}var d=function(e,o){var n="string"!=typeof e;n&&l&&e instanceof ArrayBuffer&&(e=new Uint8Array(e));var t,r,f=o.initValue,a=e.length,i=o.table;if(n)for(r=0;a>r;++r)f=i[255&(f^e[r])]^f>>>8;else for(r=0;a>r;++r)t=e.charCodeAt(r),128>t?f=i[255&(f^t)]^f>>>8:2048>t?(f=i[255&(f^(192|t>>6))]^f>>>8,f=i[255&(f^(128|63&t))]^f>>>8):55296>t||t>=57344?(f=i[255&(f^(224|t>>12))]^f>>>8,f=i[255&(f^(128|t>>6&63))]^f>>>8,f=i[255&(f^(128|63&t))]^f>>>8):(t=65536+((1023&t)<<10|1023&e.charCodeAt(++r)),f=i[255&(f^(240|t>>18))]^f>>>8,f=i[255&(f^(128|t>>12&63))]^f>>>8,f=i[255&(f^(128|t>>6&63))]^f>>>8,f=i[255&(f^(128|63&t))]^f>>>8);f^=o.initValue;var c="";return o.bytes>2&&(c+=s[f>>28&15]+s[f>>24&15]+s[f>>20&15]+s[f>>16&15]),c+=s[f>>12&15]+s[f>>8&15]+s[f>>4&15]+s[15&f]},p={};for(n=0;n<c.length;++n){var u=c[n];p[u.name]=u.method}if(a)module.exports=p;else{for(n=0;n<c.length;++n){var u=c[n];e[u.name]=u.method}i&&define(function(){return p})}}();

CHANGELOG.md

@@ -1,3 +0,12 @@
-# v0.1.0 / 2015-03-08
+# Change Log
 
-Create project
+## v0.2.0 / 2017-02-08
+### Added
+- AMD support.
+
+### Fixed
+- `root` is undefined in some special environment.
+
+## v0.1.0 / 2015-03-08
+### Added
+- create project.

LICENSE.txt

@@ -1,2 +0,2 @@
-Copyright 2015 [e-mail]
+Copyright 2015-2017 Chen, Yi-Cyuan
 
@@ -3,0 +3,0 @@ Permission is hereby granted, free of charge, to any person obtaining

package.json

 {
   "name": "js-crc",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Simple CRC checksum functions for JavaScript(CRC-16 and CRC-32).",
@@ -8,7 +8,11 @@ "main": "src/crc.js",
     "expect.js": "~0.3.1",
-    "jscoverage": "~0.5.9"
+    "jscoverage": "~0.5.9",
+    "mocha": "~2.3.4",
+    "uglifyjs": "~2.4.10"
   },
   "scripts": {
     "test": "mocha tests/node-test.js -r jscoverage",
-    "coveralls": "mocha tests/node-test.js -R mocha-lcov-reporter -r jscoverage | coveralls"
+    "report": "mocha tests/node-test.js -r jscoverage --covout=html",
+    "coveralls": "mocha tests/node-test.js -R mocha-lcov-reporter -r jscoverage | coveralls",
+    "build": "uglifyjs src/crc.js --compress --mangle --comments --output build/crc.min.js"
   },
@@ -25,3 +29,3 @@ "repository": {
   "license": "MIT",
-  "author": "emn178 <[e-mail]>",
+  "author": "Chen, Yi-Cyuan <[e-mail]>",
   "homepage": "https://github.com/emn178/js-crc",
@@ -28,0 +32,0 @@ "bugs": {

README.md

@@ -28,29 +28,23 @@ # js-crc
 ```JavaScript
-crc32 = require('js-crc').crc32;
-crc16 = require('js-crc').crc16;
+var crc32 = require('js-crc').crc32;
+var crc16 = require('js-crc').crc16;
 ```
+It supports AMD:
+```JavaScript
+require(['your/path/crc.js'], function (crc) {
+  var crc32 = crc.crc32;
+  var crc16 = crc.crc16;
+  // ...
+});
 
 ## Example
-Code
 ```JavaScript
-crc32('The quick brown fox jumps over the lazy dog');
-crc32('The quick brown fox jumps over the lazy dog.');
-```
-Output
+crc32('The quick brown fox jumps over the lazy dog'); // 414fa339
+crc32('The quick brown fox jumps over the lazy dog.'); // 519025e9
 
-    414fa339
-    519025e9
-
-It also supports byte `Array`, `Uint8Array`, `ArrayBuffer` input:
-
-Code
-```JavaScript
-crc32([0]);
-crc32(new Uint8Array([0]));
+// It also supports byte `Array`, `Uint8Array`, `ArrayBuffer` input:
+crc32([0]); // d202ef8d
+crc32(new Uint8Array([0])); // d202ef8d
 ```
-Output
 
-    d202ef8d
-    d202ef8d
-
 ## License
@@ -61,2 +55,2 @@ The project is released under the [MIT license](http://www.opensource.org/licenses/MIT).
 The project's website is located at https://github.com/emn178/js-crc  
-Author: [e-mail]
+Author: Chen, Yi-Cyuan ([e-mail])

src/crc.js

@@ -1,17 +0,22 @@
-/*
- * js-crc v0.1.0
- * https://github.com/emn178/js-crc
+/**
+ * [js-crc]{@link https://github.com/emn178/js-crc}
  *
- * Copyright 2015, [e-mail]
- *
- * Licensed under the MIT license:
- * http://www.opensource.org/licenses/MIT
+ * @namespace crc
+ * @version 0.2.0
+ * @author Chen, Yi-Cyuan [[e-mail]]
+ * @copyright Chen, Yi-Cyuan 2015-2017
+ * @license MIT
  */
-;(function(root, undefined) {
+/*jslint bitwise: true */
+(function () {
   'use strict';
 
-  var NODE_JS = typeof(module) != 'undefined';
-  if(NODE_JS) {
+  var root = typeof window === 'object' ? window : {};
+  var NODE_JS = !root.JS_CRC_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
+  if (NODE_JS) {
     root = global;
   }
+  var COMMON_JS = !root.JS_CRC_NO_COMMON_JS && typeof module === 'object' && module.exports;
+  var AMD = typeof define === 'function' && define.amd;
+  var ARRAY_BUFFER = !root.JS_CRC_NO_ARRAY_BUFFER && typeof ArrayBuffer !== 'undefined';
   var HEX_CHARS = '0123456789abcdef'.split('');
@@ -35,6 +40,6 @@
   var i, j, k, b;
-  for(i = 0;i < Modules.length;++i) {
+  for (i = 0; i < Modules.length; ++i) {
     var m = Modules[i];
-    m.method = (function(m) {
-      return function(message) {
+    m.method = (function (m) {
+      return function (message) {
         return crc(message, m);
@@ -44,5 +49,5 @@ };
     m.table = [];
-    for(j = 0;j < 256;++j) {
+    for (j = 0; j < 256; ++j) {
       b = j;
-      for(k = 0;k < 8;++k) {
+      for (k = 0; k < 8; ++k) {
         b = b & 1 ? m.polynom ^ (b >>> 1) : b >>> 1;
@@ -54,5 +59,5 @@ }
 
-  var crc = function(message, module) {
-    var notString = typeof(message) != 'string';
-    if(notString && message.constructor == ArrayBuffer) {
+  var crc = function (message, module) {
+    var notString = typeof message !== 'string';
+    if (notString && ARRAY_BUFFER && message instanceof ArrayBuffer) {
       message = new Uint8Array(message);
@@ -62,8 +67,8 @@ }
     var crc = module.initValue, code, i, length = message.length, table = module.table;
-    if(notString) {
-      for(i = 0;i < length;++i) {
+    if (notString) {
+      for (i = 0; i < length; ++i) {
         crc = table[(crc ^ message[i]) & 0xFF] ^ (crc >>> 8);
       }
     } else {
-      for(i = 0;i < length;++i) {
+      for (i = 0; i < length; ++i) {
         code = message.charCodeAt(i);
@@ -91,3 +96,3 @@ if (code < 0x80) {
     var hex = '';
-    if(module.bytes > 2) {
+    if (module.bytes > 2) {
       hex += HEX_CHARS[(crc >> 28) & 0x0F] + HEX_CHARS[(crc >> 24) & 0x0F] +
@@ -101,12 +106,20 @@ HEX_CHARS[(crc >> 20) & 0x0F] + HEX_CHARS[(crc >> 16) & 0x0F];
 
-  var exports;
-  if(!root.HI_CRC32_TEST && NODE_JS) {
-    exports = module.exports = {};
-  } else if(root) {
-    exports = root;
-  }
-  for(i = 0;i < Modules.length;++i) {
+  var exports = {};
+  for (i = 0;i < Modules.length;++i) {
     var m = Modules[i];
     exports[m.name] = m.method;
   }
-}(this));
+  if (COMMON_JS) {
+    module.exports = exports;
+  } else {
+    for (i = 0;i < Modules.length;++i) {
+      var m = Modules[i];
+      root[m.name] = m.method;
+    }
+    if (AMD) {
+      define(function() {
+        return exports;
+      });
+    }
+  }
+})();

tests/node-test.js

@@ -0,13 +1,61 @@
+// Node.js env
+expect = require('expect.js');
 crc32 = require('../src/crc.js').crc32;
 crc16 = require('../src/crc.js').crc16;
-expect = require('expect.js');
 require('./test.js');
 
-delete require.cache[require.resolve('../src/crc.js')]
-delete require.cache[require.resolve('./test.js')]
-crc32 = null
-crc16 = null
+delete require.cache[require.resolve('../src/crc.js')];
+delete require.cache[require.resolve('./test.js')];
+crc32 = null;
+crc16 = null;
 
-HI_CRC32_TEST = true;
+// Webpack browser env
+JS_CRC_NO_NODE_JS = true;
+window = global;
+crc32 = require('../src/crc.js').crc32;
+crc16 = require('../src/crc.js').crc16;
+require('./test.js');
+
+delete require.cache[require.resolve('../src/crc.js')];
+delete require.cache[require.resolve('./test.js')];
+crc32 = null;
+crc16 = null;
+
+// browser env
+JS_CRC_NO_NODE_JS = true;
+JS_CRC_NO_COMMON_JS = true;
+window = global;
 require('../src/crc.js');
 require('./test.js');
+
+delete require.cache[require.resolve('../src/crc.js')];
+delete require.cache[require.resolve('./test.js')];
+crc32 = null;
+crc16 = null;
+
+// browser env and no array buffer
+JS_CRC_NO_NODE_JS = true;
+JS_CRC_NO_COMMON_JS = true;
+JS_CRC_NO_ARRAY_BUFFER = true;
+window = global;
+require('../src/crc.js');
+require('./test.js');
+
+delete require.cache[require.resolve('../src/crc.js')];
+delete require.cache[require.resolve('./test.js')];
+crc32 = null;
+crc16 = null;
+
+// browser AMD
+JS_CRC_NO_NODE_JS = true;
+JS_CRC_NO_COMMON_JS = true;
+JS_CRC_NO_ARRAY_BUFFER = undefined;
+window = global;
+define = function (func) {
+  crc16 = func().crc16;
+  crc32 = func().crc32;
+  require('./test.js');
+};
+define.amd = true;
+
+require('../src/crc.js');

tests/test.js

@@ -32,7 +32,9 @@ (function(crc32, crc16) {
 
-      describe('ArrayBuffer', function() {
-        it('should be successful', function() {
-          expect(crc32(new ArrayBuffer(1))).to.be('d202ef8d');
+      if (typeof JS_CRC_NO_ARRAY_BUFFER === 'undefined') {
+        describe('ArrayBuffer', function() {
+          it('should be successful', function() {
+            expect(crc32(new ArrayBuffer(1))).to.be('d202ef8d');
+          });
         });
-      });
+      }
     });
@@ -71,9 +73,11 @@ });
 
-      describe('ArrayBuffer', function() {
-        it('should be successful', function() {
-          expect(crc16(new ArrayBuffer(1))).to.be('0000');
+      if (typeof JS_CRC_NO_ARRAY_BUFFER === 'undefined') {
+        describe('ArrayBuffer', function() {
+          it('should be successful', function() {
+            expect(crc16(new ArrayBuffer(1))).to.be('0000');
+          });
         });
-      });
+      }
     });
   });
 })(crc32, crc16);

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Worsened metrics

Total package byte prevSize

15070

decreased by-86.36%

Dev dependency count

4

increased by100%

Number of package files

13

decreased by-18.75%

Lines of code

254

decreased by-38.35%

Number of lines in readme file

55

decreased by-9.84%

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes