github/backbone
1
1
Fork 0
mirror of https://github.com/jashkenas/backbone.git synced 2026-01-25 06:48:07 -05:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'master' of github.com:documentcloud/backbone

Browse Source
This commit is contained in:
Andrew Schaaf
2010-10-02 17:27:20 -04:00
parent 44a4d12da8 283bc897a8
commit fc58be7348
12 changed files with 8086 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
Rakefile
View File

@@ -3,8 +3,11 @@ require 'closure-compiler'
desc "rebuild the backbone-min.js files for distribution"
task :build do
files = Dir['lib/*.js']
source = files.map {|f| File.read f }.join "\n\n"
File.open('backbone.js', 'w+') {|f| f.write source }
source = File.read 'backbone.js'
File.open('backbone-min.js', 'w+') {|f| f.write Closure::Compiler.new.compress(source) }
end
desc "build the docco documentation"
task :doc do
system "docco backbone.js"
end

10
backbone.js
View File

@@ -57,7 +57,7 @@
var calls;
if (!ev) {
this._callbacks = {};
} else if (calls = this.callbacks) {
} else if (calls = this._callbacks) {
if (!callback) {
calls[ev] = [];
} else {
@@ -96,7 +96,6 @@
Backbone.Model = function(attributes) {
this._attributes = {};
attributes = attributes || {};
attributes.id = attributes.id || -_.uniqueId();
this.set(attributes, true);
this.cid = _.uniqueId('c');
this._formerAttributes = this.attributes();
@@ -147,7 +146,7 @@
// A model is new if it has never been saved to the server, and has a negative
// ID.
isNew : function() {
return this.id < 0;
return !this.id;
},
// Call this method to fire manually fire a `changed` event for this model.
@@ -200,11 +199,6 @@
if (!attrs) return this;
attrs = attrs._attributes || attrs;
var now = this._attributes;
if (attrs.collection) {
this.collection = attrs.collection;
delete attrs.collection;
this.resource = this.collection.resource + '/' + this.id;
}
if (attrs.id) {
this.id = attrs.id;
if (this.collection) this.resource = this.collection.resource + '/' + this.id;

12
docs/backbone.html
View File

@@ -28,7 +28,7 @@ for all events.</p> </td> <td class="code">
<span class="kd">var</span> <span class="nx">calls</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_callbacks</span> <span class="o">=</span> <span class="p">{};</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">calls</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">callbacks</span><span class="p">)</span> <span class="p">{</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">calls</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_callbacks</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">calls</span><span class="p">[</span><span class="nx">ev</span><span class="p">]</span> <span class="o">=</span> <span class="p">[];</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
@@ -58,7 +58,6 @@ for all events.</p> </td> <td class="code">
If you do not specify the id, a negative id will be assigned for you.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">Backbone</span><span class="p">.</span><span class="nx">Model</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">attributes</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_attributes</span> <span class="o">=</span> <span class="p">{};</span>
<span class="nx">attributes</span> <span class="o">=</span> <span class="nx">attributes</span> <span class="o">||</span> <span class="p">{};</span>
<span class="nx">attributes</span><span class="p">.</span><span class="nx">id</span> <span class="o">=</span> <span class="nx">attributes</span><span class="p">.</span><span class="nx">id</span> <span class="o">||</span> <span class="o">-</span><span class="nx">_</span><span class="p">.</span><span class="nx">uniqueId</span><span class="p">();</span>
<span class="k">this</span><span class="p">.</span><span class="nx">set</span><span class="p">(</span><span class="nx">attributes</span><span class="p">,</span> <span class="kc">true</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">cid</span> <span class="o">=</span> <span class="nx">_</span><span class="p">.</span><span class="nx">uniqueId</span><span class="p">(</span><span class="s1">&#39;c&#39;</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">_formerAttributes</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">attributes</span><span class="p">();</span>
@@ -88,7 +87,7 @@ after the last <code>changed</code> event was fired.</p> </td>
<span class="k">return</span> <span class="nx">other</span> <span class="o">&amp;&amp;</span> <span class="nx">_</span><span class="p">.</span><span class="nx">isEqual</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">_attributes</span><span class="p">,</span> <span class="nx">other</span><span class="p">.</span><span class="nx">_attributes</span><span class="p">);</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-20"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-20">#</a> </div> <p>A model is new if it has never been saved to the server, and has a negative
ID.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">isNew</span> <span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="k">this</span><span class="p">.</span><span class="nx">id</span> <span class="o">&lt;</span> <span class="mi">0</span><span class="p">;</span>
<span class="k">return</span> <span class="o">!</span><span class="k">this</span><span class="p">.</span><span class="nx">id</span><span class="p">;</span>
<span class="p">},</span></pre></div> </td> </tr> <tr id="section-21"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-21">#</a> </div> <p>Call this method to fire manually fire a <code>changed</code> event for this model.
Calling this will cause all objects observing the model to update.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">changed</span> <span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">trigger</span><span class="p">(</span><span class="s1">&#39;change&#39;</span><span class="p">,</span> <span class="k">this</span><span class="p">);</span>
@@ -123,11 +122,6 @@ choose to silence it.</p> </td> <td class="code">
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">attrs</span><span class="p">)</span> <span class="k">return</span> <span class="k">this</span><span class="p">;</span>
<span class="nx">attrs</span> <span class="o">=</span> <span class="nx">attrs</span><span class="p">.</span><span class="nx">_attributes</span> <span class="o">||</span> <span class="nx">attrs</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">now</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_attributes</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">attrs</span><span class="p">.</span><span class="nx">collection</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">collection</span> <span class="o">=</span> <span class="nx">attrs</span><span class="p">.</span><span class="nx">collection</span><span class="p">;</span>
<span class="k">delete</span> <span class="nx">attrs</span><span class="p">.</span><span class="nx">collection</span><span class="p">;</span>
<span class="k">this</span><span class="p">.</span><span class="nx">resource</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">collection</span><span class="p">.</span><span class="nx">resource</span> <span class="o">+</span> <span class="s1">&#39;/&#39;</span> <span class="o">+</span> <span class="k">this</span><span class="p">.</span><span class="nx">id</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">attrs</span><span class="p">.</span><span class="nx">id</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">id</span> <span class="o">=</span> <span class="nx">attrs</span><span class="p">.</span><span class="nx">id</span><span class="p">;</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">collection</span><span class="p">)</span> <span class="k">this</span><span class="p">.</span><span class="nx">resource</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">collection</span><span class="p">.</span><span class="nx">resource</span> <span class="o">+</span> <span class="s1">&#39;/&#39;</span> <span class="o">+</span> <span class="k">this</span><span class="p">.</span><span class="nx">id</span><span class="p">;</span>
@@ -277,7 +271,7 @@ Sets need to update their indexes when models change ids.</p> </td>
<span class="nx">Backbone</span><span class="p">.</span><span class="nx">Collection</span><span class="p">.</span><span class="nx">prototype</span><span class="p">[</span><span class="nx">method</span><span class="p">]</span> <span class="o">=</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">_</span><span class="p">[</span><span class="nx">method</span><span class="p">].</span><span class="nx">apply</span><span class="p">(</span><span class="nx">_</span><span class="p">,</span> <span class="p">[</span><span class="k">this</span><span class="p">.</span><span class="nx">models</span><span class="p">].</span><span class="nx">concat</span><span class="p">(</span><span class="nx">_</span><span class="p">.</span><span class="nx">toArray</span><span class="p">(</span><span class="nx">arguments</span><span class="p">)));</span>
<span class="p">};</span>
<span class="p">});</span></pre></div> </td> </tr> <tr id="section-52"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-52">#</a> </div> <h2>Backbone View</h2> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">Backbone</span><span class="p">.</span><span class="nx">View</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">options</span><span class="p">)</span> <span class="p">{</span>
<span class="p">});</span></pre></div> </td> </tr> <tr id="section-52"> <td class="docs"> <div class="octowrap"> <a class="octothorpe" href="#section-52">#</a> </div> <h2>Backbone.View</h2> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">Backbone</span><span class="p">.</span><span class="nx">View</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">options</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">modes</span> <span class="o">=</span> <span class="p">{};</span>
<span class="k">this</span><span class="p">.</span><span class="nx">configure</span><span class="p">(</span><span class="nx">options</span> <span class="o">||</span> <span class="p">{});</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">options</span><span class="p">.</span><span class="nx">el</span><span class="p">)</span> <span class="p">{</span>

42
test/bindable.js Normal file
View File

@@ -0,0 +1,42 @@
$(document).ready(function() {
module("Backbone bindable");
test("bindable: bind and trigger", function() {
var obj = { counter: 0 }
_.extend(obj,Backbone.Bindable);
obj.bind('foo',function() { obj.counter += 1; });
obj.trigger('foo');
equals(obj.counter,1,'counter should be incremented.');
obj.trigger('foo');
obj.trigger('foo');
obj.trigger('foo');
obj.trigger('foo');
equals(obj.counter,5,'counter should be incremented five times.');
});
test("bindable: bind, then unbind all functions", function() {
var obj = { counter: 0 }
_.extend(obj,Backbone.Bindable);
var callback = function() { obj.counter += 1; }
obj.bind('foo', callback);
obj.trigger('foo');
obj.unbind('foo');
obj.trigger('foo');
equals(obj.counter,1,'counter should have only been incremented once.')
});
test("bindable: bind two callbacks, unbind only one", function() {
var obj = { counterA: 0, counterB: 0 }
_.extend(obj,Backbone.Bindable);
var callback = function() { obj.counterA += 1; };
obj.bind('foo', callback);
obj.bind('foo', function() { obj.counterB += 1 });
obj.trigger('foo');
obj.unbind('foo', callback);
obj.trigger('foo');
equals(obj.counterA,1,'counterA should have only been incremented once.')
equals(obj.counterB,2,'counterB should have been incremented twice.')
});
});

0
test/collection.js Normal file
View File

44
test/model.js Normal file
View File

@@ -0,0 +1,44 @@
$(document).ready(function() {
module("Backbone model");
test("model: clone", function() {
attrs = { 'foo': 1, 'bar': 2, 'baz': 3};
a = new Backbone.Model(attrs);
b = a.clone();
equals(a.get('foo'),1);
equals(a.get('bar'),2);
equals(a.get('baz'),3);
equals(b.get('foo'),a.get('foo'),"Foo should be the same on the clone.");
equals(b.get('bar'),a.get('bar'),"Bar should be the same on the clone.");
equals(b.get('baz'),a.get('baz'),"Baz should be the same on the clone.");
});
test("model: isEqual", function() {
attrs = { 'foo': 1, 'bar': 2, 'baz': 3};
a = new Backbone.Model(attrs);
b = new Backbone.Model(attrs);
ok(a.isEqual(b),"a should equal b");
c = new Backbone.Model({ 'foo': 1, 'bar': 2, 'baz': 3, 'qux': 4});
ok(!a.isEqual(c),"a should not equal c");
})
test("model: isNew", function() {
attrs = { 'foo': 1, 'bar': 2, 'baz': 3};
a = new Backbone.Model(attrs);
ok(a.isNew());
})
test("model: set", function() {
attrs = { 'foo': 1, 'bar': 2, 'baz': 3};
a = new Backbone.Model(attrs);
var changeCount = 0;
a.bind("change", function() { changeCount += 1});
a.set({'foo': 2});
ok(a.get('foo')==2, "Foo should have changed.");
ok(changeCount == 1, "Change count should have incremented.");
});
});

22
test/test.html Normal file
View File

@@ -0,0 +1,22 @@
<!DOCTYPE HTML>
<html>
<head>
<title>Backbone Test Suite</title>
<link rel="stylesheet" href="vendor/qunit.css" type="text/css" media="screen" />
<script type="text/javascript" src="vendor/jquery-1.4.2.js"></script>
<script type="text/javascript" src="vendor/qunit.js"></script>
<script type="text/javascript" src="vendor/underscore-1.1.0.js"></script>
<script type="text/javascript" src="../backbone.js"></script>
<script type="text/javascript" src="bindable.js"></script>
<script type="text/javascript" src="model.js"></script>
<script type="text/javascript" src="collection.js"></script>
<script type="text/javascript" src="view.js"></script>
</head>
<body>
<h1 id="qunit-header">Backbone Test Suite</h1>
<h2 id="qunit-banner"></h2>
<h2 id="qunit-userAgent"></h2>
<ol id="qunit-tests"></ol>
</body>
</html>

6240
test/vendor/jquery-1.4.2.js vendored Normal file
View File

File diff suppressed because it is too large Load Diff

17
test/vendor/qunit.css vendored Normal file
View File

@@ -0,0 +1,17 @@
h1#qunit-header, h1.qunit-header { padding: 15px; font-size: large; background-color: #06b; color: white; font-family: 'trebuchet ms', verdana, arial; margin: 0; }
h1#qunit-header a { color: white; }
h2#qunit-banner { height: 2em; border-bottom: 1px solid white; background-color: #eee; margin: 0; font-family: 'trebuchet ms', verdana, arial; }
h2#qunit-banner.pass { background-color: green; }
h2#qunit-banner.fail { background-color: red; }
h2#qunit-userAgent, h2.qunit-userAgent { padding: 10px; background-color: #eee; color: black; margin: 0; font-size: small; font-weight: normal; font-family: 'trebuchet ms', verdana, arial; font-size: 10pt; }
div#qunit-testrunner-toolbar { background: #eee; border-top: 1px solid black; padding: 10px; font-family: 'trebuchet ms', verdana, arial; margin: 0; font-size: 10pt; }
ol#qunit-tests { font-family: 'trebuchet ms', verdana, arial; font-size: 10pt; }
ol#qunit-tests li strong { cursor:pointer; }
ol#qunit-tests .pass { color: green; }
ol#qunit-tests .fail { color: red; }
p#qunit-testresult { margin-left: 1em; font-size: 10pt; font-family: 'trebuchet ms', verdana, arial; }

997
test/vendor/qunit.js vendored Normal file
View File

@@ -0,0 +1,997 @@
/*
* QUnit - A JavaScript Unit Testing Framework
*
* http://docs.jquery.com/QUnit
*
* Copyright (c) 2009 John Resig, Jörn Zaefferer
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*/
(function(window) {
var QUnit = {
// Initialize the configuration options
init: function init() {
config = {
stats: { all: 0, bad: 0 },
moduleStats: { all: 0, bad: 0 },
started: +new Date,
blocking: false,
autorun: false,
assertions: [],
filters: [],
queue: []
};
var tests = id("qunit-tests"),
banner = id("qunit-banner"),
result = id("qunit-testresult");
if ( tests ) {
tests.innerHTML = "";
}
if ( banner ) {
banner.className = "";
}
if ( result ) {
result.parentNode.removeChild( result );
}
},
// call on start of module test to prepend name to all tests
module: function module(name, testEnvironment) {
synchronize(function() {
if ( config.currentModule ) {
QUnit.moduleDone( config.currentModule, config.moduleStats.bad, config.moduleStats.all );
}
config.currentModule = name;
config.moduleTestEnvironment = testEnvironment;
config.moduleStats = { all: 0, bad: 0 };
QUnit.moduleStart( name, testEnvironment );
});
},
asyncTest: function asyncTest(testName, expected, callback) {
if ( arguments.length === 2 ) {
callback = expected;
expected = 0;
}
QUnit.test(testName, expected, callback, true);
},
test: function test(testName, expected, callback, async) {
var name = testName, testEnvironment = {};
if ( arguments.length === 2 ) {
callback = expected;
expected = null;
}
if ( config.currentModule ) {
name = config.currentModule + " module: " + name;
}
if ( !validTest(name) ) {
return;
}
synchronize(function() {
QUnit.testStart( testName );
testEnvironment = extend({
setup: function() {},
teardown: function() {}
}, config.moduleTestEnvironment);
config.assertions = [];
config.expected = null;
if ( arguments.length >= 3 ) {
config.expected = callback;
callback = arguments[2];
}
try {
if ( !config.pollution ) {
saveGlobal();
}
testEnvironment.setup.call(testEnvironment);
} catch(e) {
QUnit.ok( false, "Setup failed on " + name + ": " + e.message );
}
if ( async ) {
QUnit.stop();
}
try {
callback.call(testEnvironment);
} catch(e) {
fail("Test " + name + " died, exception and test follows", e, callback);
QUnit.ok( false, "Died on test #" + (config.assertions.length + 1) + ": " + e.message );
// else next test will carry the responsibility
saveGlobal();
// Restart the tests if they're blocking
if ( config.blocking ) {
start();
}
}
});
synchronize(function() {
try {
checkPollution();
testEnvironment.teardown.call(testEnvironment);
} catch(e) {
QUnit.ok( false, "Teardown failed on " + name + ": " + e.message );
}
try {
QUnit.reset();
} catch(e) {
fail("reset() failed, following Test " + name + ", exception and reset fn follows", e, reset);
}
if ( config.expected && config.expected != config.assertions.length ) {
QUnit.ok( false, "Expected " + config.expected + " assertions, but " + config.assertions.length + " were run" );
}
var good = 0, bad = 0,
tests = id("qunit-tests");
config.stats.all += config.assertions.length;
config.moduleStats.all += config.assertions.length;
if ( tests ) {
var ol = document.createElement("ol");
ol.style.display = "none";
for ( var i = 0; i < config.assertions.length; i++ ) {
var assertion = config.assertions[i];
var li = document.createElement("li");
li.className = assertion.result ? "pass" : "fail";
li.innerHTML = assertion.message || "(no message)";
ol.appendChild( li );
if ( assertion.result ) {
good++;
} else {
bad++;
config.stats.bad++;
config.moduleStats.bad++;
}
}
var b = document.createElement("strong");
b.innerHTML = name + " <b style='color:black;'>(<b class='fail'>" + bad + "</b>, <b class='pass'>" + good + "</b>, " + config.assertions.length + ")</b>";
addEvent(b, "click", function() {
var next = b.nextSibling, display = next.style.display;
next.style.display = display === "none" ? "block" : "none";
});
addEvent(b, "dblclick", function(e) {
var target = (e || window.event).target;
if ( target.nodeName.toLowerCase() === "strong" ) {
var text = "", node = target.firstChild;
while ( node.nodeType === 3 ) {
text += node.nodeValue;
node = node.nextSibling;
}
text = text.replace(/(^\s*|\s*$)/g, "");
if ( window.location ) {
window.location.href = window.location.href.match(/^(.+?)(\?.*)?$/)[1] + "?" + encodeURIComponent(text);
}
}
});
var li = document.createElement("li");
li.className = bad ? "fail" : "pass";
li.appendChild( b );
li.appendChild( ol );
tests.appendChild( li );
if ( bad ) {
var toolbar = id("qunit-testrunner-toolbar");
if ( toolbar ) {
toolbar.style.display = "block";
id("qunit-filter-pass").disabled = null;
id("qunit-filter-missing").disabled = null;
}
}
} else {
for ( var i = 0; i < config.assertions.length; i++ ) {
if ( !config.assertions[i].result ) {
bad++;
config.stats.bad++;
config.moduleStats.bad++;
}
}
}
QUnit.testDone( testName, bad, config.assertions.length );
if ( !window.setTimeout && !config.queue.length ) {
done();
}
});
if ( window.setTimeout && !config.doneTimer ) {
config.doneTimer = window.setTimeout(function(){
if ( !config.queue.length ) {
done();
} else {
synchronize( done );
}
}, 13);
}
},
/**
* Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
*/
expect: function expect(asserts) {
config.expected = asserts;
},
/**
* Asserts true.
* @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
*/
ok: function ok(a, msg) {
QUnit.log(a, msg);
config.assertions.push({
result: !!a,
message: msg
});
},
/**
* Checks that the first two arguments are equal, with an optional message.
* Prints out both actual and expected values.
*
* Prefered to ok( actual == expected, message )
*
* @example equals( format("Received {0} bytes.", 2), "Received 2 bytes." );
*
* @param Object actual
* @param Object expected
* @param String message (optional)
*/
equals: function equals(actual, expected, message) {
push(expected == actual, actual, expected, message);
},
same: function(a, b, message) {
push(QUnit.equiv(a, b), a, b, message);
},
start: function start() {
// A slight delay, to avoid any current callbacks
if ( window.setTimeout ) {
window.setTimeout(function() {
if ( config.timeout ) {
clearTimeout(config.timeout);
}
config.blocking = false;
process();
}, 13);
} else {
config.blocking = false;
process();
}
},
stop: function stop(timeout) {
config.blocking = true;
if ( timeout && window.setTimeout ) {
config.timeout = window.setTimeout(function() {
QUnit.ok( false, "Test timed out" );
QUnit.start();
}, timeout);
}
},
/**
* Resets the test setup. Useful for tests that modify the DOM.
*/
reset: function reset() {
if ( window.jQuery ) {
jQuery("#main").html( config.fixture );
jQuery.event.global = {};
jQuery.ajaxSettings = extend({}, config.ajaxSettings);
}
},
/**
* Trigger an event on an element.
*
* @example triggerEvent( document.body, "click" );
*
* @param DOMElement elem
* @param String type
*/
triggerEvent: function triggerEvent( elem, type, event ) {
if ( document.createEvent ) {
event = document.createEvent("MouseEvents");
event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
0, 0, 0, 0, 0, false, false, false, false, 0, null);
elem.dispatchEvent( event );
} else if ( elem.fireEvent ) {
elem.fireEvent("on"+type);
}
},
// Logging callbacks
done: function done(failures, total) {},
log: function log(result, message) {},
testStart: function testStart(name) {},
testDone: function testDone(name, failures, total) {},
moduleStart: function moduleStart(name, testEnvironment) {},
moduleDone: function moduleDone(name, failures, total) {}
};
// Maintain internal state
var config = {
// The queue of tests to run
queue: [],
// block until document ready
blocking: true
};
// Load paramaters
(function() {
var location = window.location || { search: "", protocol: "file:" },
GETParams = location.search.slice(1).split('&');
for ( var i = 0; i < GETParams.length; i++ ) {
GETParams[i] = decodeURIComponent( GETParams[i] );
if ( GETParams[i] === "noglobals" ) {
GETParams.splice( i, 1 );
i--;
config.noglobals = true;
}
}
// restrict modules/tests by get parameters
config.filters = GETParams;
// Figure out if we're running the tests from a server or not
QUnit.isLocal = !!(location.protocol === 'file:');
})();
// Expose the API as global variables, unless an 'exports'
// object exists, in that case we assume we're in CommonJS
if ( typeof exports === "undefined" || typeof require === "undefined" ) {
extend(window, QUnit);
window.QUnit = QUnit;
} else {
extend(exports, QUnit);
exports.QUnit = QUnit;
}
if ( typeof document === "undefined" || document.readyState === "complete" ) {
config.autorun = true;
}
addEvent(window, "load", function() {
// Initialize the config, saving the execution queue
var oldconfig = extend({}, config);
QUnit.init();
extend(config, oldconfig);
config.blocking = false;
var userAgent = id("qunit-userAgent");
if ( userAgent ) {
userAgent.innerHTML = navigator.userAgent;
}
var toolbar = id("qunit-testrunner-toolbar");
if ( toolbar ) {
toolbar.style.display = "none";
var filter = document.createElement("input");
filter.type = "checkbox";
filter.id = "qunit-filter-pass";
filter.disabled = true;
addEvent( filter, "click", function() {
var li = document.getElementsByTagName("li");
for ( var i = 0; i < li.length; i++ ) {
if ( li[i].className.indexOf("pass") > -1 ) {
li[i].style.display = filter.checked ? "none" : "block";
}
}
});
toolbar.appendChild( filter );
var label = document.createElement("label");
label.setAttribute("for", "filter-pass");
label.innerHTML = "Hide passed tests";
toolbar.appendChild( label );
var missing = document.createElement("input");
missing.type = "checkbox";
missing.id = "qunit-filter-missing";
missing.disabled = true;
addEvent( missing, "click", function() {
var li = document.getElementsByTagName("li");
for ( var i = 0; i < li.length; i++ ) {
if ( li[i].className.indexOf("fail") > -1 && li[i].innerHTML.indexOf('missing test - untested code is broken code') > - 1 ) {
li[i].parentNode.parentNode.style.display = missing.checked ? "none" : "block";
}
}
});
toolbar.appendChild( missing );
label = document.createElement("label");
label.setAttribute("for", "filter-missing");
label.innerHTML = "Hide missing tests (untested code is broken code)";
toolbar.appendChild( label );
}
var main = id('main');
if ( main ) {
config.fixture = main.innerHTML;
}
if ( window.jQuery ) {
config.ajaxSettings = window.jQuery.ajaxSettings;
}
QUnit.start();
});
function done() {
if ( config.doneTimer && window.clearTimeout ) {
window.clearTimeout( config.doneTimer );
config.doneTimer = null;
}
if ( config.queue.length ) {
config.doneTimer = window.setTimeout(function(){
if ( !config.queue.length ) {
done();
} else {
synchronize( done );
}
}, 13);
return;
}
config.autorun = true;
// Log the last module results
if ( config.currentModule ) {
QUnit.moduleDone( config.currentModule, config.moduleStats.bad, config.moduleStats.all );
}
var banner = id("qunit-banner"),
tests = id("qunit-tests"),
html = ['Tests completed in ',
+new Date - config.started, ' milliseconds.<br/>',
'<span class="bad">', config.stats.all - config.stats.bad, '</span> tests of <span class="all">', config.stats.all, '</span> passed, ', config.stats.bad,' failed.'].join('');
if ( banner ) {
banner.className += " " + (config.stats.bad ? "fail" : "pass");
}
if ( tests ) {
var result = id("qunit-testresult");
if ( !result ) {
result = document.createElement("p");
result.id = "qunit-testresult";
result.className = "result";
tests.parentNode.insertBefore( result, tests.nextSibling );
}
result.innerHTML = html;
}
QUnit.done( config.stats.bad, config.stats.all );
}
function validTest( name ) {
var i = config.filters.length,
run = false;
if ( !i ) {
return true;
}
while ( i-- ) {
var filter = config.filters[i],
not = filter.charAt(0) == '!';
if ( not ) {
filter = filter.slice(1);
}
if ( name.indexOf(filter) !== -1 ) {
return !not;
}
if ( not ) {
run = true;
}
}
return run;
}
function push(result, actual, expected, message) {
message = message || (result ? "okay" : "failed");
QUnit.ok( result, result ? message + ": " + expected : message + ", expected: " + QUnit.jsDump.parse(expected) + " result: " + QUnit.jsDump.parse(actual) );
}
function synchronize( callback ) {
config.queue.push( callback );
if ( config.autorun && !config.blocking ) {
process();
}
}
function process() {
while ( config.queue.length && !config.blocking ) {
config.queue.shift()();
}
}
function saveGlobal() {
config.pollution = [];
if ( config.noglobals ) {
for ( var key in window ) {
config.pollution.push( key );
}
}
}
function checkPollution( name ) {
var old = config.pollution;
saveGlobal();
var newGlobals = diff( old, config.pollution );
if ( newGlobals.length > 0 ) {
ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
config.expected++;
}
var deletedGlobals = diff( config.pollution, old );
if ( deletedGlobals.length > 0 ) {
ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
config.expected++;
}
}
// returns a new Array with the elements that are in a but not in b
function diff( a, b ) {
var result = a.slice();
for ( var i = 0; i < result.length; i++ ) {
for ( var j = 0; j < b.length; j++ ) {
if ( result[i] === b[j] ) {
result.splice(i, 1);
i--;
break;
}
}
}
return result;
}
function fail(message, exception, callback) {
if ( typeof console !== "undefined" && console.error && console.warn ) {
console.error(message);
console.error(exception);
console.warn(callback.toString());
} else if ( window.opera && opera.postError ) {
opera.postError(message, exception, callback.toString);
}
}
function extend(a, b) {
for ( var prop in b ) {
a[prop] = b[prop];
}
return a;
}
function addEvent(elem, type, fn) {
if ( elem.addEventListener ) {
elem.addEventListener( type, fn, false );
} else if ( elem.attachEvent ) {
elem.attachEvent( "on" + type, fn );
} else {
fn();
}
}
function id(name) {
return !!(typeof document !== "undefined" && document && document.getElementById) &&
document.getElementById( name );
}
// Test for equality any JavaScript type.
// Discussions and reference: http://philrathe.com/articles/equiv
// Test suites: http://philrathe.com/tests/equiv
// Author: Philippe Rathé <prathe@gmail.com>
QUnit.equiv = function () {
var innerEquiv; // the real equiv function
var callers = []; // stack to decide between skip/abort functions
// Determine what is o.
function hoozit(o) {
if (o.constructor === String) {
return "string";
} else if (o.constructor === Boolean) {
return "boolean";
} else if (o.constructor === Number) {
if (isNaN(o)) {
return "nan";
} else {
return "number";
}
} else if (typeof o === "undefined") {
return "undefined";
// consider: typeof null === object
} else if (o === null) {
return "null";
// consider: typeof [] === object
} else if (o instanceof Array) {
return "array";
// consider: typeof new Date() === object
} else if (o instanceof Date) {
return "date";
// consider: /./ instanceof Object;
// /./ instanceof RegExp;
// typeof /./ === "function"; // => false in IE and Opera,
// true in FF and Safari
} else if (o instanceof RegExp) {
return "regexp";
} else if (typeof o === "object") {
return "object";
} else if (o instanceof Function) {
return "function";
} else {
return undefined;
}
}
// Call the o related callback with the given arguments.
function bindCallbacks(o, callbacks, args) {
var prop = hoozit(o);
if (prop) {
if (hoozit(callbacks[prop]) === "function") {
return callbacks[prop].apply(callbacks, args);
} else {
return callbacks[prop]; // or undefined
}
}
}
var callbacks = function () {
// for string, boolean, number and null
function useStrictEquality(b, a) {
if (b instanceof a.constructor || a instanceof b.constructor) {
// to catch short annotaion VS 'new' annotation of a declaration
// e.g. var i = 1;
// var j = new Number(1);
return a == b;
} else {
return a === b;
}
}
return {
"string": useStrictEquality,
"boolean": useStrictEquality,
"number": useStrictEquality,
"null": useStrictEquality,
"undefined": useStrictEquality,
"nan": function (b) {
return isNaN(b);
},
"date": function (b, a) {
return hoozit(b) === "date" && a.valueOf() === b.valueOf();
},
"regexp": function (b, a) {
return hoozit(b) === "regexp" &&
a.source === b.source && // the regex itself
a.global === b.global && // and its modifers (gmi) ...
a.ignoreCase === b.ignoreCase &&
a.multiline === b.multiline;
},
// - skip when the property is a method of an instance (OOP)
// - abort otherwise,
// initial === would have catch identical references anyway
"function": function () {
var caller = callers[callers.length - 1];
return caller !== Object &&
typeof caller !== "undefined";
},
"array": function (b, a) {
var i;
var len;
// b could be an object literal here
if ( ! (hoozit(b) === "array")) {
return false;
}
len = a.length;
if (len !== b.length) { // safe and faster
return false;
}
for (i = 0; i < len; i++) {
if ( ! innerEquiv(a[i], b[i])) {
return false;
}
}
return true;
},
"object": function (b, a) {
var i;
var eq = true; // unless we can proove it
var aProperties = [], bProperties = []; // collection of strings
// comparing constructors is more strict than using instanceof
if ( a.constructor !== b.constructor) {
return false;
}
// stack constructor before traversing properties
callers.push(a.constructor);
for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
aProperties.push(i); // collect a's properties
if ( ! innerEquiv(a[i], b[i])) {
eq = false;
}
}
callers.pop(); // unstack, we are done
for (i in b) {
bProperties.push(i); // collect b's properties
}
// Ensures identical properties name
return eq && innerEquiv(aProperties.sort(), bProperties.sort());
}
};
}();
innerEquiv = function () { // can take multiple arguments
var args = Array.prototype.slice.apply(arguments);
if (args.length < 2) {
return true; // end transition
}
return (function (a, b) {
if (a === b) {
return true; // catch the most you can
} else if (a === null || b === null || typeof a === "undefined" || typeof b === "undefined" || hoozit(a) !== hoozit(b)) {
return false; // don't lose time with error prone cases
} else {
return bindCallbacks(a, callbacks, [b, a]);
}
// apply transition with (1..n) arguments
})(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length -1));
};
return innerEquiv;
}();
/**
* jsDump
* Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
* Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
* Date: 5/15/2008
* @projectDescription Advanced and extensible data dumping for Javascript.
* @version 1.0.0
* @author Ariel Flesler
* @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
*/
QUnit.jsDump = (function() {
function quote( str ) {
return '"' + str.toString().replace(/"/g, '\\"') + '"';
};
function literal( o ) {
return o + '';
};
function join( pre, arr, post ) {
var s = jsDump.separator(),
base = jsDump.indent(),
inner = jsDump.indent(1);
if ( arr.join )
arr = arr.join( ',' + s + inner );
if ( !arr )
return pre + post;
return [ pre, inner + arr, base + post ].join(s);
};
function array( arr ) {
var i = arr.length, ret = Array(i);
this.up();
while ( i-- )
ret[i] = this.parse( arr[i] );
this.down();
return join( '[', ret, ']' );
};
var reName = /^function (\w+)/;
var jsDump = {
parse:function( obj, type ) { //type is used mostly internally, you can fix a (custom)type in advance
var parser = this.parsers[ type || this.typeOf(obj) ];
type = typeof parser;
return type == 'function' ? parser.call( this, obj ) :
type == 'string' ? parser :
this.parsers.error;
},
typeOf:function( obj ) {
var type = typeof obj,
f = 'function';//we'll use it 3 times, save it
return type != 'object' && type != f ? type :
!obj ? 'null' :
obj.exec ? 'regexp' :// some browsers (FF) consider regexps functions
obj.getHours ? 'date' :
obj.scrollBy ? 'window' :
obj.nodeName == '#document' ? 'document' :
obj.nodeName ? 'node' :
obj.item ? 'nodelist' : // Safari reports nodelists as functions
obj.callee ? 'arguments' :
obj.call || obj.constructor != Array && //an array would also fall on this hack
(obj+'').indexOf(f) != -1 ? f : //IE reports functions like alert, as objects
'length' in obj ? 'array' :
type;
},
separator:function() {
return this.multiline ? this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
},
indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
if ( !this.multiline )
return '';
var chr = this.indentChar;
if ( this.HTML )
chr = chr.replace(/\t/g,' ').replace(/ /g,'&nbsp;');
return Array( this._depth_ + (extra||0) ).join(chr);
},
up:function( a ) {
this._depth_ += a || 1;
},
down:function( a ) {
this._depth_ -= a || 1;
},
setParser:function( name, parser ) {
this.parsers[name] = parser;
},
// The next 3 are exposed so you can use them
quote:quote,
literal:literal,
join:join,
//
_depth_: 1,
// This is the list of parsers, to modify them, use jsDump.setParser
parsers:{
window: '[Window]',
document: '[Document]',
error:'[ERROR]', //when no parser is found, shouldn't happen
unknown: '[Unknown]',
'null':'null',
undefined:'undefined',
'function':function( fn ) {
var ret = 'function',
name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
if ( name )
ret += ' ' + name;
ret += '(';
ret = [ ret, this.parse( fn, 'functionArgs' ), '){'].join('');
return join( ret, this.parse(fn,'functionCode'), '}' );
},
array: array,
nodelist: array,
arguments: array,
object:function( map ) {
var ret = [ ];
this.up();
for ( var key in map )
ret.push( this.parse(key,'key') + ': ' + this.parse(map[key]) );
this.down();
return join( '{', ret, '}' );
},
node:function( node ) {
var open = this.HTML ? '&lt;' : '<',
close = this.HTML ? '&gt;' : '>';
var tag = node.nodeName.toLowerCase(),
ret = open + tag;
for ( var a in this.DOMAttrs ) {
var val = node[this.DOMAttrs[a]];
if ( val )
ret += ' ' + a + '=' + this.parse( val, 'attribute' );
}
return ret + close + open + '/' + tag + close;
},
functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
var l = fn.length;
if ( !l ) return '';
var args = Array(l);
while ( l-- )
args[l] = String.fromCharCode(97+l);//97 is 'a'
return ' ' + args.join(', ') + ' ';
},
key:quote, //object calls it internally, the key part of an item in a map
functionCode:'[code]', //function calls it internally, it's the content of the function
attribute:quote, //node calls it internally, it's an html attribute value
string:quote,
date:quote,
regexp:literal, //regex
number:literal,
'boolean':literal
},
DOMAttrs:{//attributes to dump from nodes, name=>realName
id:'id',
name:'name',
'class':'className'
},
HTML:true,//if true, entities are escaped ( <, >, \t, space and \n )
indentChar:' ',//indentation unit
multiline:true //if true, items in a collection, are separated by a \n, else just a space.
};
return jsDump;
})();
})(this);

713
test/vendor/underscore-1.1.0.js vendored Normal file
View File

@@ -0,0 +1,713 @@
// Underscore.js
// (c) 2010 Jeremy Ashkenas, DocumentCloud Inc.
// Underscore is freely distributable under the terms of the MIT license.
// Portions of Underscore are inspired by or borrowed from Prototype.js,
// Oliver Steele's Functional, and John Resig's Micro-Templating.
// For all details and documentation:
// http://documentcloud.github.com/underscore
(function() {
// ------------------------- Baseline setup ---------------------------------
// Establish the root object, "window" in the browser, or "global" on the server.
var root = this;
// Save the previous value of the "_" variable.
var previousUnderscore = root._;
// Establish the object that gets thrown to break out of a loop iteration.
var breaker = typeof StopIteration !== 'undefined' ? StopIteration : '__break__';
// Quick regexp-escaping function, because JS doesn't have RegExp.escape().
var escapeRegExp = function(s) { return s.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1'); };
// Save bytes in the minified (but not gzipped) version:
var ArrayProto = Array.prototype, ObjProto = Object.prototype;
// Create quick reference variables for speed access to core prototypes.
var slice = ArrayProto.slice,
unshift = ArrayProto.unshift,
toString = ObjProto.toString,
hasOwnProperty = ObjProto.hasOwnProperty,
propertyIsEnumerable = ObjProto.propertyIsEnumerable;
// All ECMA5 native implementations we hope to use are declared here.
var
nativeForEach = ArrayProto.forEach,
nativeMap = ArrayProto.map,
nativeReduce = ArrayProto.reduce,
nativeReduceRight = ArrayProto.reduceRight,
nativeFilter = ArrayProto.filter,
nativeEvery = ArrayProto.every,
nativeSome = ArrayProto.some,
nativeIndexOf = ArrayProto.indexOf,
nativeLastIndexOf = ArrayProto.lastIndexOf,
nativeIsArray = Array.isArray,
nativeKeys = Object.keys;
// Create a safe reference to the Underscore object for use below.
var _ = function(obj) { return new wrapper(obj); };
// Export the Underscore object for CommonJS.
if (typeof exports !== 'undefined') exports._ = _;
// Export underscore to global scope.
root._ = _;
// Current version.
_.VERSION = '1.1.0';
// ------------------------ Collection Functions: ---------------------------
// The cornerstone, an each implementation.
// Handles objects implementing forEach, arrays, and raw objects.
// Delegates to JavaScript 1.6's native forEach if available.
var each = _.forEach = function(obj, iterator, context) {
try {
if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (_.isNumber(obj.length)) {
for (var i = 0, l = obj.length; i < l; i++) iterator.call(context, obj[i], i, obj);
} else {
for (var key in obj) {
if (hasOwnProperty.call(obj, key)) iterator.call(context, obj[key], key, obj);
}
}
} catch(e) {
if (e != breaker) throw e;
}
return obj;
};
// Return the results of applying the iterator to each element.
// Delegates to JavaScript 1.6's native map if available.
_.map = function(obj, iterator, context) {
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
var results = [];
each(obj, function(value, index, list) {
results.push(iterator.call(context, value, index, list));
});
return results;
};
// Reduce builds up a single result from a list of values, aka inject, or foldl.
// Delegates to JavaScript 1.8's native reduce if available.
_.reduce = function(obj, iterator, memo, context) {
if (nativeReduce && obj.reduce === nativeReduce) {
if (context) iterator = _.bind(iterator, context);
return obj.reduce(iterator, memo);
}
each(obj, function(value, index, list) {
memo = iterator.call(context, memo, value, index, list);
});
return memo;
};
// The right-associative version of reduce, also known as foldr. Uses
// Delegates to JavaScript 1.8's native reduceRight if available.
_.reduceRight = function(obj, iterator, memo, context) {
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
if (context) iterator = _.bind(iterator, context);
return obj.reduceRight(iterator, memo);
}
var reversed = _.clone(_.toArray(obj)).reverse();
return _.reduce(reversed, iterator, memo, context);
};
// Return the first value which passes a truth test.
_.detect = function(obj, iterator, context) {
var result;
each(obj, function(value, index, list) {
if (iterator.call(context, value, index, list)) {
result = value;
_.breakLoop();
}
});
return result;
};
// Return all the elements that pass a truth test.
// Delegates to JavaScript 1.6's native filter if available.
_.filter = function(obj, iterator, context) {
if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
var results = [];
each(obj, function(value, index, list) {
iterator.call(context, value, index, list) && results.push(value);
});
return results;
};
// Return all the elements for which a truth test fails.
_.reject = function(obj, iterator, context) {
var results = [];
each(obj, function(value, index, list) {
!iterator.call(context, value, index, list) && results.push(value);
});
return results;
};
// Determine whether all of the elements match a truth test.
// Delegates to JavaScript 1.6's native every if available.
_.every = function(obj, iterator, context) {
iterator = iterator || _.identity;
if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
var result = true;
each(obj, function(value, index, list) {
if (!(result = result && iterator.call(context, value, index, list))) _.breakLoop();
});
return result;
};
// Determine if at least one element in the object matches a truth test.
// Delegates to JavaScript 1.6's native some if available.
_.some = function(obj, iterator, context) {
iterator = iterator || _.identity;
if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
var result = false;
each(obj, function(value, index, list) {
if (result = iterator.call(context, value, index, list)) _.breakLoop();
});
return result;
};
// Determine if a given value is included in the array or object using '==='.
_.include = function(obj, target) {
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
var found = false;
each(obj, function(value) {
if (found = value === target) _.breakLoop();
});
return found;
};
// Invoke a method with arguments on every item in a collection.
_.invoke = function(obj, method) {
var args = _.rest(arguments, 2);
return _.map(obj, function(value) {
return (method ? value[method] : value).apply(value, args);
});
};
// Convenience version of a common use case of map: fetching a property.
_.pluck = function(obj, key) {
return _.map(obj, function(value){ return value[key]; });
};
// Return the maximum item or (item-based computation).
_.max = function(obj, iterator, context) {
if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj);
var result = {computed : -Infinity};
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
computed >= result.computed && (result = {value : value, computed : computed});
});
return result.value;
};
// Return the minimum element (or element-based computation).
_.min = function(obj, iterator, context) {
if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj);
var result = {computed : Infinity};
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
computed < result.computed && (result = {value : value, computed : computed});
});
return result.value;
};
// Sort the object's values by a criterion produced by an iterator.
_.sortBy = function(obj, iterator, context) {
return _.pluck(_.map(obj, function(value, index, list) {
return {
value : value,
criteria : iterator.call(context, value, index, list)
};
}).sort(function(left, right) {
var a = left.criteria, b = right.criteria;
return a < b ? -1 : a > b ? 1 : 0;
}), 'value');
};
// Use a comparator function to figure out at what index an object should
// be inserted so as to maintain order. Uses binary search.
_.sortedIndex = function(array, obj, iterator) {
iterator = iterator || _.identity;
var low = 0, high = array.length;
while (low < high) {
var mid = (low + high) >> 1;
iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid;
}
return low;
};
// Convert anything iterable into a real, live array.
_.toArray = function(iterable) {
if (!iterable) return [];
if (iterable.toArray) return iterable.toArray();
if (_.isArray(iterable)) return iterable;
if (_.isArguments(iterable)) return slice.call(iterable);
return _.values(iterable);
};
// Return the number of elements in an object.
_.size = function(obj) {
return _.toArray(obj).length;
};
// -------------------------- Array Functions: ------------------------------
// Get the first element of an array. Passing "n" will return the first N
// values in the array. Aliased as "head". The "guard" check allows it to work
// with _.map.
_.first = function(array, n, guard) {
return n && !guard ? slice.call(array, 0, n) : array[0];
};
// Returns everything but the first entry of the array. Aliased as "tail".
// Especially useful on the arguments object. Passing an "index" will return
// the rest of the values in the array from that index onward. The "guard"
//check allows it to work with _.map.
_.rest = function(array, index, guard) {
return slice.call(array, _.isUndefined(index) || guard ? 1 : index);
};
// Get the last element of an array.
_.last = function(array) {
return array[array.length - 1];
};
// Trim out all falsy values from an array.
_.compact = function(array) {
return _.filter(array, function(value){ return !!value; });
};
// Return a completely flattened version of an array.
_.flatten = function(array) {
return _.reduce(array, function(memo, value) {
if (_.isArray(value)) return memo.concat(_.flatten(value));
memo.push(value);
return memo;
}, []);
};
// Return a version of the array that does not contain the specified value(s).
_.without = function(array) {
var values = _.rest(arguments);
return _.filter(array, function(value){ return !_.include(values, value); });
};
// Produce a duplicate-free version of the array. If the array has already
// been sorted, you have the option of using a faster algorithm.
_.uniq = function(array, isSorted) {
return _.reduce(array, function(memo, el, i) {
if (0 == i || (isSorted === true ? _.last(memo) != el : !_.include(memo, el))) memo.push(el);
return memo;
}, []);
};
// Produce an array that contains every item shared between all the
// passed-in arrays.
_.intersect = function(array) {
var rest = _.rest(arguments);
return _.filter(_.uniq(array), function(item) {
return _.every(rest, function(other) {
return _.indexOf(other, item) >= 0;
});
});
};
// Zip together multiple lists into a single array -- elements that share
// an index go together.
_.zip = function() {
var args = _.toArray(arguments);
var length = _.max(_.pluck(args, 'length'));
var results = new Array(length);
for (var i = 0; i < length; i++) results[i] = _.pluck(args, String(i));
return results;
};
// If the browser doesn't supply us with indexOf (I'm looking at you, MSIE),
// we need this function. Return the position of the first occurence of an
// item in an array, or -1 if the item is not included in the array.
// Delegates to JavaScript 1.8's native indexOf if available.
_.indexOf = function(array, item) {
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
for (var i = 0, l = array.length; i < l; i++) if (array[i] === item) return i;
return -1;
};
// Delegates to JavaScript 1.6's native lastIndexOf if available.
_.lastIndexOf = function(array, item) {
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
var i = array.length;
while (i--) if (array[i] === item) return i;
return -1;
};
// Generate an integer Array containing an arithmetic progression. A port of
// the native Python range() function. See:
// http://docs.python.org/library/functions.html#range
_.range = function(start, stop, step) {
var a = _.toArray(arguments);
var solo = a.length <= 1;
var start = solo ? 0 : a[0], stop = solo ? a[0] : a[1], step = a[2] || 1;
var len = Math.ceil((stop - start) / step);
if (len <= 0) return [];
var range = new Array(len);
for (var i = start, idx = 0; true; i += step) {
if ((step > 0 ? i - stop : stop - i) >= 0) return range;
range[idx++] = i;
}
};
// ----------------------- Function Functions: ------------------------------
// Create a function bound to a given object (assigning 'this', and arguments,
// optionally). Binding with arguments is also known as 'curry'.
_.bind = function(func, obj) {
var args = _.rest(arguments, 2);
return function() {
return func.apply(obj || {}, args.concat(_.toArray(arguments)));
};
};
// Bind all of an object's methods to that object. Useful for ensuring that
// all callbacks defined on an object belong to it.
_.bindAll = function(obj) {
var funcs = _.rest(arguments);
if (funcs.length == 0) funcs = _.functions(obj);
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
return obj;
};
// Memoize an expensive function by storing its results.
_.memoize = function(func, hasher) {
var memo = {};
hasher = hasher || _.identity;
return function() {
var key = hasher.apply(this, arguments);
return key in memo ? memo[key] : (memo[key] = func.apply(this, arguments));
};
};
// Delays a function for the given number of milliseconds, and then calls
// it with the arguments supplied.
_.delay = function(func, wait) {
var args = _.rest(arguments, 2);
return setTimeout(function(){ return func.apply(func, args); }, wait);
};
// Defers a function, scheduling it to run after the current call stack has
// cleared.
_.defer = function(func) {
return _.delay.apply(_, [func, 1].concat(_.rest(arguments)));
};
// Returns the first function passed as an argument to the second,
// allowing you to adjust arguments, run code before and after, and
// conditionally execute the original function.
_.wrap = function(func, wrapper) {
return function() {
var args = [func].concat(_.toArray(arguments));
return wrapper.apply(wrapper, args);
};
};
// Returns a function that is the composition of a list of functions, each
// consuming the return value of the function that follows.
_.compose = function() {
var funcs = _.toArray(arguments);
return function() {
var args = _.toArray(arguments);
for (var i=funcs.length-1; i >= 0; i--) {
args = [funcs[i].apply(this, args)];
}
return args[0];
};
};
// ------------------------- Object Functions: ------------------------------
// Retrieve the names of an object's properties.
// Delegates to ECMA5's native Object.keys
_.keys = nativeKeys || function(obj) {
if (_.isArray(obj)) return _.range(0, obj.length);
var keys = [];
for (var key in obj) if (hasOwnProperty.call(obj, key)) keys.push(key);
return keys;
};
// Retrieve the values of an object's properties.
_.values = function(obj) {
return _.map(obj, _.identity);
};
// Return a sorted list of the function names available on the object.
_.functions = function(obj) {
return _.filter(_.keys(obj), function(key){ return _.isFunction(obj[key]); }).sort();
};
// Extend a given object with all the properties in passed-in object(s).
_.extend = function(obj) {
each(_.rest(arguments), function(source) {
for (var prop in source) obj[prop] = source[prop];
});
return obj;
};
// Create a (shallow-cloned) duplicate of an object.
_.clone = function(obj) {
if (_.isArray(obj)) return obj.slice(0);
return _.extend({}, obj);
};
// Invokes interceptor with the obj, and then returns obj.
// The primary purpose of this method is to "tap into" a method chain, in order to perform operations on intermediate results within the chain.
_.tap = function(obj, interceptor) {
interceptor(obj);
return obj;
};
// Perform a deep comparison to check if two objects are equal.
_.isEqual = function(a, b) {
// Check object identity.
if (a === b) return true;
// Different types?
var atype = typeof(a), btype = typeof(b);
if (atype != btype) return false;
// Basic equality test (watch out for coercions).
if (a == b) return true;
// One is falsy and the other truthy.
if ((!a && b) || (a && !b)) return false;
// One of them implements an isEqual()?
if (a.isEqual) return a.isEqual(b);
// Check dates' integer values.
if (_.isDate(a) && _.isDate(b)) return a.getTime() === b.getTime();
// Both are NaN?
if (_.isNaN(a) && _.isNaN(b)) return false;
// Compare regular expressions.
if (_.isRegExp(a) && _.isRegExp(b))
return a.source === b.source &&
a.global === b.global &&
a.ignoreCase === b.ignoreCase &&
a.multiline === b.multiline;
// If a is not an object by this point, we can't handle it.
if (atype !== 'object') return false;
// Check for different array lengths before comparing contents.
if (a.length && (a.length !== b.length)) return false;
// Nothing else worked, deep compare the contents.
var aKeys = _.keys(a), bKeys = _.keys(b);
// Different object sizes?
if (aKeys.length != bKeys.length) return false;
// Recursive comparison of contents.
for (var key in a) if (!(key in b) || !_.isEqual(a[key], b[key])) return false;
return true;
};
// Is a given array or object empty?
_.isEmpty = function(obj) {
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
for (var key in obj) if (hasOwnProperty.call(obj, key)) return false;
return true;
};
// Is a given value a DOM element?
_.isElement = function(obj) {
return !!(obj && obj.nodeType == 1);
};
// Is a given value an array?
// Delegates to ECMA5's native Array.isArray
_.isArray = nativeIsArray || function(obj) {
return !!(obj && obj.concat && obj.unshift && !obj.callee);
};
// Is a given variable an arguments object?
_.isArguments = function(obj) {
return obj && obj.callee;
};
// Is a given value a function?
_.isFunction = function(obj) {
return !!(obj && obj.constructor && obj.call && obj.apply);
};
// Is a given value a string?
_.isString = function(obj) {
return !!(obj === '' || (obj && obj.charCodeAt && obj.substr));
};
// Is a given value a number?
_.isNumber = function(obj) {
return (obj === +obj) || (toString.call(obj) === '[object Number]');
};
// Is a given value a boolean?
_.isBoolean = function(obj) {
return obj === true || obj === false;
};
// Is a given value a date?
_.isDate = function(obj) {
return !!(obj && obj.getTimezoneOffset && obj.setUTCFullYear);
};
// Is the given value a regular expression?
_.isRegExp = function(obj) {
return !!(obj && obj.test && obj.exec && (obj.ignoreCase || obj.ignoreCase === false));
};
// Is the given value NaN -- this one is interesting. NaN != NaN, and
// isNaN(undefined) == true, so we make sure it's a number first.
_.isNaN = function(obj) {
return _.isNumber(obj) && isNaN(obj);
};
// Is a given value equal to null?
_.isNull = function(obj) {
return obj === null;
};
// Is a given variable undefined?
_.isUndefined = function(obj) {
return typeof obj == 'undefined';
};
// -------------------------- Utility Functions: ----------------------------
// Run Underscore.js in noConflict mode, returning the '_' variable to its
// previous owner. Returns a reference to the Underscore object.
_.noConflict = function() {
root._ = previousUnderscore;
return this;
};
// Keep the identity function around for default iterators.
_.identity = function(value) {
return value;
};
// Run a function n times.
_.times = function (n, iterator, context) {
for (var i = 0; i < n; i++) iterator.call(context, i);
};
// Break out of the middle of an iteration.
_.breakLoop = function() {
throw breaker;
};
// Add your own custom functions to the Underscore object, ensuring that
// they're correctly added to the OOP wrapper as well.
_.mixin = function(obj) {
each(_.functions(obj), function(name){
addToWrapper(name, _[name] = obj[name]);
});
};
// Generate a unique integer id (unique within the entire client session).
// Useful for temporary DOM ids.
var idCounter = 0;
_.uniqueId = function(prefix) {
var id = idCounter++;
return prefix ? prefix + id : id;
};
// By default, Underscore uses ERB-style template delimiters, change the
// following template settings to use alternative delimiters.
_.templateSettings = {
start : '<%',
end : '%>',
interpolate : /<%=(.+?)%>/g
};
// JavaScript templating a-la ERB, pilfered from John Resig's
// "Secrets of the JavaScript Ninja", page 83.
// Single-quote fix from Rick Strahl's version.
// With alterations for arbitrary delimiters, and to preserve whitespace.
_.template = function(str, data) {
var c = _.templateSettings;
var endMatch = new RegExp("'(?=[^"+c.end.substr(0, 1)+"]*"+escapeRegExp(c.end)+")","g");
var fn = new Function('obj',
'var p=[],print=function(){p.push.apply(p,arguments);};' +
'with(obj||{}){p.push(\'' +
str.replace(/\r/g, '\\r')
.replace(/\n/g, '\\n')
.replace(/\t/g, '\\t')
.replace(endMatch,"✄")
.split("'").join("\\'")
.split("✄").join("'")
.replace(c.interpolate, "',$1,'")
.split(c.start).join("');")
.split(c.end).join("p.push('")
+ "');}return p.join('');");
return data ? fn(data) : fn;
};
// ------------------------------- Aliases ----------------------------------
_.each = _.forEach;
_.foldl = _.inject = _.reduce;
_.foldr = _.reduceRight;
_.select = _.filter;
_.all = _.every;
_.any = _.some;
_.contains = _.include;
_.head = _.first;
_.tail = _.rest;
_.methods = _.functions;
// ------------------------ Setup the OOP Wrapper: --------------------------
// If Underscore is called as a function, it returns a wrapped object that
// can be used OO-style. This wrapper holds altered versions of all the
// underscore functions. Wrapped objects may be chained.
var wrapper = function(obj) { this._wrapped = obj; };
// Helper function to continue chaining intermediate results.
var result = function(obj, chain) {
return chain ? _(obj).chain() : obj;
};
// A method to easily add functions to the OOP wrapper.
var addToWrapper = function(name, func) {
wrapper.prototype[name] = function() {
var args = _.toArray(arguments);
unshift.call(args, this._wrapped);
return result(func.apply(_, args), this._chain);
};
};
// Add all of the Underscore functions to the wrapper object.
_.mixin(_);
// Add all mutator Array functions to the wrapper.
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
var method = ArrayProto[name];
wrapper.prototype[name] = function() {
method.apply(this._wrapped, arguments);
return result(this._wrapped, this._chain);
};
});
// Add all accessor Array functions to the wrapper.
each(['concat', 'join', 'slice'], function(name) {
var method = ArrayProto[name];
wrapper.prototype[name] = function() {
return result(method.apply(this._wrapped, arguments), this._chain);
};
});
// Start chaining a wrapped Underscore object.
wrapper.prototype.chain = function() {
this._chain = true;
return this;
};
// Extracts the result from a wrapped and chained object.
wrapper.prototype.value = function() {
return this._wrapped;
};
})();

0
test/view.js Normal file
View File