random-js - npm Package Compare versions

Comparing version 1.0.1 to 1.0.2

bower.json

 {
   "name": "random",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "authors": [
@@ -5,0 +5,0 @@ "Cameron Kenneth Knight <[e-mail]>"

CHANGELOG.md

@@ -0,1 +1,5 @@
+# 1.0.2 (2014-03-20)
+
+- Even if `shuffle` receives an empty array, it should return that same array.
+
 # 1.0.1 (2014-03-20)
@@ -2,0 +6,0 @@

karma.conf.js

@@ -29,3 +29,3 @@ // Karma configuration
     preprocessors: {
-      'random.js': 'coverage'
+      'lib/random.js': 'coverage'
     },
@@ -32,0 +32,0 @@

lib/random.js

@@ -495,16 +495,16 @@ /*jshint eqnull:true*/
   Random.shuffle = function (engine, array, downTo) {
-    if (array.length === 0) {
-      return [];
-    }
-    if (downTo == null) {
-      downTo = 0;
-    }
-    for (var i = (array.length - 1) >>> 0; i > downTo; --i) {
-      var distribution = Random.integer(0, i);
-      var j = distribution(engine);
-      if (i !== j) {
-        var tmp = array[i];
-        array[i] = array[j];
-        array[j] = tmp;
+    var length = array.length;
+    if (length !== 0) {
+      if (downTo == null) {
+        downTo = 0;
       }
+      for (var i = (length - 1) >>> 0; i > downTo; --i) {
+        var distribution = Random.integer(0, i);
+        var j = distribution(engine);
+        if (i !== j) {
+          var tmp = array[i];
+          array[i] = array[j];
+          array[j] = tmp;
+        }
+      }
     }
@@ -511,0 +511,0 @@ return array;

lib/random.min.js

@@ -1,1 +0,1 @@
-!function(n){"use strict";function t(n){if(!(this instanceof t))throw new TypeError("Expected to be called with new");if(null==n)n=t.engines.nativeMath;else if("function"!=typeof n)throw new TypeError("Expected engine to be a function, got "+typeof n);this.engine=n}function r(n){return function(){return n}}function e(n,t){return 0===t?n:function(r){return n(r)+t}}var i="Random",u="function"!=typeof Math.imul||-5!==Math.imul(4294967295,5)?function(n,t){var r=n>>>16&65535,e=65535&n,i=t>>>16&65535,u=65535&t;return e*u+(r*u+e*i<<16>>>0)|0}:Math.imul,o="function"==typeof String.prototype.repeat&&"xxx"==="x".repeat(3)?function(n,t){return n.repeat(t)}:function(n,t){for(var r="";t>0;)1&t&&(r+=n),t>>=1,n+=n;return r},f=t.prototype;t.engines={nativeMath:function(){return 4294967296*Math.random()>>>0},mt19937:function(n){function r(n){for(var 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+!function(n){"use strict";function t(n){if(!(this instanceof t))throw new TypeError("Expected to be called with new");if(null==n)n=t.engines.nativeMath;else if("function"!=typeof n)throw new TypeError("Expected engine to be a function, got "+typeof n);this.engine=n}function r(n){return function(){return n}}function e(n,t){return 0===t?n:function(r){return n(r)+t}}var i="Random",u="function"!=typeof Math.imul||-5!==Math.imul(4294967295,5)?function(n,t){var r=n>>>16&65535,e=65535&n,i=t>>>16&65535,u=65535&t;return e*u+(r*u+e*i<<16>>>0)|0}:Math.imul,o="function"==typeof String.prototype.repeat&&"xxx"==="x".repeat(3)?function(n,t){return n.repeat(t)}:function(n,t){for(var r="";t>0;)1&t&&(r+=n),t>>=1,n+=n;return r},f=t.prototype;t.engines={nativeMath:function(){return 4294967296*Math.random()>>>0},mt19937:function(n){function r(n){for(var 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package.json

 {
     "name": "random-js",
     "description": "A mathematically correct random number generator library for JavaScript.",
-    "version": "1.0.1",
+    "version": "1.0.2",
     "author": {
@@ -6,0 +6,0 @@ "name": "Cameron Kenneth Knight",

README.md

@@ -174,3 +174,3 @@ # Random.js
     <script>
-      var Random = require("random-js");
+      // Random is now available as a global (on the window object)
       var random = new Random(Random.engines.mt19937().autoSeed());
@@ -177,0 +177,0 @@ alert("Random value from 1 to 100: " + random.integer(1, 100));

spec/shuffleSpec.js

@@ -18,5 +18,6 @@ (function (Random) {
 
-      var actual = Random.shuffle(engine, ["a", "b", "c", "d", "e"]);
+      var actual = Random.shuffle(engine, array);
 
       expect(actual).toEqual(expected);
+      expect(actual).toBe(array);
     });
@@ -41,5 +42,6 @@
 
-        var actual = Random.shuffle(engine, ["a", "b", "c", "d", "e"], downTo);
+        var actual = Random.shuffle(engine, array, downTo);
 
         expect(actual).toEqual(expected);
+        expect(actual).toBe(array);
       });
@@ -49,3 +51,3 @@ });
     describe("with an empty array", function () {
-      it("returns a new empty array", function () {
+      it("returns the same empty array", function () {
         var engine = function () {};
@@ -57,3 +59,3 @@ var array = [];
         expect(actual).toEqual([]);
-        expect(actual).not.toBe(array);
+        expect(actual).toBe(array);
       });
@@ -60,0 +62,0 @@

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Improved metrics

Total package byte prevSize

108488

increased by0.17%

Lines of code

1889

increased by0.11%

No dependency changes