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base fork: jashkenas/underscore
base: 1.4.0
...
head fork: jashkenas/underscore
compare: 1.4.1
  • 6 commits
  • 6 files changed
  • 0 commit comments
  • 1 contributor
13 docs/underscore.html
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@@ -1,4 +1,4 @@
-<!DOCTYPE html> <html> <head> <title>underscore.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> underscore.js </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <pre><code>Underscore.js 1.4.0
+<!DOCTYPE html> <html> <head> <title>underscore.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> underscore.js </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">&#182;</a> </div> <pre><code>Underscore.js 1.4.1
http://underscorejs.org
(c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
Underscore may be freely distributed under the MIT license.
@@ -34,7 +34,7 @@
<span class="nx">exports</span><span class="p">.</span><span class="nx">_</span> <span class="o">=</span> <span class="nx">_</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
<span class="nx">root</span><span class="p">[</span><span class="s1">&#39;_&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="nx">_</span><span class="p">;</span>
- <span class="p">}</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>Current version.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">_</span><span class="p">.</span><span class="nx">VERSION</span> <span class="o">=</span> <span class="s1">&#39;1.4.0&#39;</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <h2>Collection Functions</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>The cornerstone, an <code>each</code> implementation, aka <code>forEach</code>.
+ <span class="p">}</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <p>Current version.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">_</span><span class="p">.</span><span class="nx">VERSION</span> <span class="o">=</span> <span class="s1">&#39;1.4.1&#39;</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <h2>Collection Functions</h2> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>The cornerstone, an <code>each</code> implementation, aka <code>forEach</code>.
Handles objects with the built-in <code>forEach</code>, arrays, and raw objects.
Delegates to <strong>ECMAScript 5</strong>'s native <code>forEach</code> if available.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">each</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">each</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">forEach</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">obj</span><span class="p">,</span> <span class="nx">iterator</span><span class="p">,</span> <span class="nx">context</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">nativeForEach</span> <span class="o">&amp;&amp;</span> <span class="nx">obj</span><span class="p">.</span><span class="nx">forEach</span> <span class="o">===</span> <span class="nx">nativeForEach</span><span class="p">)</span> <span class="p">{</span>
@@ -358,9 +358,12 @@
<span class="k">if</span> <span class="p">(</span><span class="nx">nativeIndexOf</span> <span class="o">&amp;&amp;</span> <span class="nx">array</span><span class="p">.</span><span class="nx">indexOf</span> <span class="o">===</span> <span class="nx">nativeIndexOf</span><span class="p">)</span> <span class="k">return</span> <span class="nx">array</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="nx">item</span><span class="p">,</span> <span class="nx">isSorted</span><span class="p">);</span>
<span class="k">for</span> <span class="p">(;</span> <span class="nx">i</span> <span class="o">&lt;</span> <span class="nx">l</span><span class="p">;</span> <span class="nx">i</span><span class="o">++</span><span class="p">)</span> <span class="k">if</span> <span class="p">(</span><span class="nx">array</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">===</span> <span class="nx">item</span><span class="p">)</span> <span class="k">return</span> <span class="nx">i</span><span class="p">;</span>
<span class="k">return</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span>
- <span class="p">};</span></pre></div> </td> </tr> <tr id="section-53"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-53">&#182;</a> </div> <p>Delegates to <strong>ECMAScript 5</strong>'s native <code>lastIndexOf</code> if available.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">_</span><span class="p">.</span><span class="nx">lastIndexOf</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">array</span><span class="p">,</span> <span class="nx">item</span><span class="p">,</span> <span class="nx">fromIndex</span><span class="p">)</span> <span class="p">{</span>
- <span class="k">if</span> <span class="p">(</span><span class="nx">nativeLastIndexOf</span> <span class="o">&amp;&amp;</span> <span class="nx">array</span><span class="p">.</span><span class="nx">lastIndexOf</span> <span class="o">===</span> <span class="nx">nativeLastIndexOf</span><span class="p">)</span> <span class="k">return</span> <span class="nx">array</span><span class="p">.</span><span class="nx">lastIndexOf</span><span class="p">(</span><span class="nx">item</span><span class="p">,</span> <span class="nx">fromIndex</span><span class="p">);</span>
- <span class="kd">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="p">(</span><span class="nx">fromIndex</span> <span class="o">!=</span> <span class="kc">null</span> <span class="o">?</span> <span class="nx">fromIndex</span> <span class="o">:</span> <span class="nx">array</span><span class="p">.</span><span class="nx">length</span><span class="p">);</span>
+ <span class="p">};</span></pre></div> </td> </tr> <tr id="section-53"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-53">&#182;</a> </div> <p>Delegates to <strong>ECMAScript 5</strong>'s native <code>lastIndexOf</code> if available.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">_</span><span class="p">.</span><span class="nx">lastIndexOf</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">array</span><span class="p">,</span> <span class="nx">item</span><span class="p">,</span> <span class="nx">from</span><span class="p">)</span> <span class="p">{</span>
+ <span class="kd">var</span> <span class="nx">hasIndex</span> <span class="o">=</span> <span class="nx">from</span> <span class="o">!=</span> <span class="kc">null</span><span class="p">;</span>
+ <span class="k">if</span> <span class="p">(</span><span class="nx">nativeLastIndexOf</span> <span class="o">&amp;&amp;</span> <span class="nx">array</span><span class="p">.</span><span class="nx">lastIndexOf</span> <span class="o">===</span> <span class="nx">nativeLastIndexOf</span><span class="p">)</span> <span class="p">{</span>
+ <span class="k">return</span> <span class="nx">hasIndex</span> <span class="o">?</span> <span class="nx">array</span><span class="p">.</span><span class="nx">lastIndexOf</span><span class="p">(</span><span class="nx">item</span><span class="p">,</span> <span class="nx">from</span><span class="p">)</span> <span class="o">:</span> <span class="nx">array</span><span class="p">.</span><span class="nx">lastIndexOf</span><span class="p">(</span><span class="nx">item</span><span class="p">);</span>
+ <span class="p">}</span>
+ <span class="kd">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="p">(</span><span class="nx">hasIndex</span> <span class="o">?</span> <span class="nx">from</span> <span class="o">:</span> <span class="nx">array</span><span class="p">.</span><span class="nx">length</span><span class="p">);</span>
<span class="k">while</span> <span class="p">(</span><span class="nx">i</span><span class="o">--</span><span class="p">)</span> <span class="k">if</span> <span class="p">(</span><span class="nx">array</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">===</span> <span class="nx">item</span><span class="p">)</span> <span class="k">return</span> <span class="nx">i</span><span class="p">;</span>
<span class="k">return</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span>
<span class="p">};</span></pre></div> </td> </tr> <tr id="section-54"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-54">&#182;</a> </div> <p>Generate an integer Array containing an arithmetic progression. A port of
29 index.html
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@@ -179,7 +179,7 @@
<div id="sidebar" class="interface">
<a class="toc_title" href="#">
- Underscore.js <span class="version">(1.4.0)</span>
+ Underscore.js <span class="version">(1.4.1)</span>
</a>
<a class="toc_title" href="#">
@@ -373,11 +373,11 @@
<table>
<tr>
- <td><a href="underscore.js">Development Version (1.4.0)</a></td>
+ <td><a href="underscore.js">Development Version (1.4.1)</a></td>
<td><i>40kb, Uncompressed with Plentiful Comments</i></td>
</tr>
<tr>
- <td><a href="underscore-min.js">Production Version (1.4.0)</a></td>
+ <td><a href="underscore-min.js">Production Version (1.4.1)</a></td>
<td><i>4kb, Minified and Gzipped</i></td>
</tr>
<tr>
@@ -1114,8 +1114,8 @@ <h2 id="objects">Object Functions</h2>
Convert an object into a list of <tt>[key, value]</tt> pairs.
</p>
<pre>
-_.pairs({one : 1, two : 2, three : 3});
-=&gt; [[one: 1], [two: 2], [three: 3]]
+_.pairs({one: 1, two: 2, three: 3});
+=&gt; [["one", 1], ["two", 2], ["three", 3]]
</pre>
<p id="invert">
@@ -1748,7 +1748,16 @@ <h2 id="links">Links &amp; Suggested Reading</h2>
<h2 id="changelog">Change Log</h2>
<p>
- <b class="header">1.4.0</b> &mdash; <small><i>Sept. 27, 2012</i></small> &mdash; <a href="https://github.com/documentcloud/backbone/compare/1.3.3...1.4.0">Diff</a><br />
+ <b class="header">1.4.1</b> &mdash; <small><i>Oct. 1, 2012</i></small> &mdash; <a href="https://github.com/documentcloud/underscore/compare/1.4.0...1.4.1">Diff</a><br />
+ <ul>
+ <li>
+ Fixed a 1.4.0 regression in the <tt>lastIndexOf</tt> function.
+ </li>
+ </ul>
+ </p>
+
+ <p>
+ <b class="header">1.4.0</b> &mdash; <small><i>Sept. 27, 2012</i></small> &mdash; <a href="https://github.com/documentcloud/underscore/compare/1.3.3...1.4.0">Diff</a><br />
<ul>
<li>
Added a <tt>pairs</tt> function, for turning a JavaScript object
@@ -1778,7 +1787,7 @@ <h2 id="changelog">Change Log</h2>
</li>
<li>
<tt>_.debounce</tt>'d functions now return their last updated value,
- just like <tt>_.throttle</tt>'d functions.
+ just like <tt>_.throttle</tt>'d functions do.
</li>
<li>
The <tt>sortBy</tt> function now runs a stable sort algorithm.
@@ -1800,8 +1809,12 @@ <h2 id="changelog">Change Log</h2>
<tt>undefined</tt> as the empty string.
</li>
<li>
+ Underscore iteration functions no longer accept <tt>null</tt> values
+ as a no-op argument. You'll get an early error instead.
+ </li>
+ <li>
A number of edge-cases fixes and tweaks, which you can spot in the
- <a href="https://github.com/documentcloud/backbone/compare/1.3.3...1.4.0">diff</a>.
+ <a href="https://github.com/documentcloud/underscore/compare/1.3.3...1.4.0">diff</a>.
Depending on how you're using Underscore, <b>1.4.0</b> may be more
backwards-incompatible than usual &mdash; please test when you upgrade.
</li>
2  package.json
View
@@ -6,5 +6,5 @@
"author" : "Jeremy Ashkenas <jeremy@documentcloud.org>",
"repository" : {"type": "git", "url": "git://github.com/documentcloud/underscore.git"},
"main" : "underscore.js",
- "version" : "1.4.0"
+ "version" : "1.4.1"
}
5 test/arrays.js
View
@@ -163,7 +163,10 @@ $(document).ready(function() {
});
test("lastIndexOf", function() {
- var numbers = [1, 0, 1, 0, 0, 1, 0, 0, 0];
+ var numbers = [1, 0, 1];
+ equal(_.lastIndexOf(numbers, 1), 2);
+
+ numbers = [1, 0, 1, 0, 0, 1, 0, 0, 0];
numbers.lastIndexOf = null;
equal(_.lastIndexOf(numbers, 1), 5, 'can compute lastIndexOf, even without the native function');
equal(_.lastIndexOf(numbers, 0), 8, 'lastIndexOf the other element');
4 underscore-min.js
View
@@ -1,5 +1,5 @@
-// Underscore.js 1.4.0
+// Underscore.js 1.4.1
// http://underscorejs.org
// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore may be freely distributed under the MIT license.
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13 underscore.js
View
@@ -1,4 +1,4 @@
-// Underscore.js 1.4.0
+// Underscore.js 1.4.1
// http://underscorejs.org
// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore may be freely distributed under the MIT license.
@@ -65,7 +65,7 @@
}
// Current version.
- _.VERSION = '1.4.0';
+ _.VERSION = '1.4.1';
// Collection Functions
// --------------------
@@ -515,9 +515,12 @@
};
// Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
- _.lastIndexOf = function(array, item, fromIndex) {
- if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item, fromIndex);
- var i = (fromIndex != null ? fromIndex : array.length);
+ _.lastIndexOf = function(array, item, from) {
+ var hasIndex = from != null;
+ if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
+ return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
+ }
+ var i = (hasIndex ? from : array.length);
while (i--) if (array[i] === item) return i;
return -1;
};

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