GlobalCube
/
analytics


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155
							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>JSDoc: Source: polyfill/Function.js</title>

    <script src="scripts/prettify/prettify.js"> </script>
    <script src="scripts/prettify/lang-css.js"> </script>
    <!--[if lt IE 9]>
      <script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
    <![endif]-->
    <link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
    <link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>

<body>

<div id="main">

    <h1 class="page-title">Source: polyfill/Function.js</h1>

    
    <section>
        <article>
            <pre class="prettyprint source linenums"><code>// Licensed Materials - Property of IBM
//
// IBM Watson Analytics
//
// (C) Copyright IBM Corp. 2015
//
// US Government Users Restricted Rights - Use, duplication or
// disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

( function( Object, Function, ObjectPolyfill )
{
"use strict";

/**
 * Polyfills for {@link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function Function}.
 * @class module:barejs/polyfill.Function
 */

/** @lends module:barejs/polyfill.Function# */
var proto = {};

var fnProto = Function.prototype;

/*istanbul ignore else: We test with __ES__ set to 3*/
if ( __ES__ &lt; 5 )
{
    var slice = Array.prototype.slice;

    /**
     * Bind a function to a specific context. Allows for additional prefix arguments to be specified.
     * @param {object} _thisArg The context to bind this method to.
     * @returns {function} A function that will invoke the original function in the specified context,
     *                     optionally with additional parameters prefixed.
     */
    proto.bind = function bind( _thisArg /*, ... */ )
    {
        if ( !ObjectPolyfill.isCallable( this ) )
            throw new TypeError( "Bind must be called on a function" );

        var bound, fn = this, args = null, Anonymous = function(){};

        if ( arguments.length > 1 )
            args = slice.call( arguments, 1, arguments.length );

        // Apply almost the same trick as Object.create, so if the bound method is used as a
        // constructor, we do not change the context and the prototype chain is correct.
        // We can't use Object.create since we need the Anonymous type for the instanceof check
        // Prototype is undefined for native functions, so check it first.
        Anonymous.prototype = fn.prototype /*istanbul ignore next*/|| Object.prototype;

        // Only do parameter mangling if required. This optimization provides a significant speed boost
        if ( args &amp;&amp; args.length )
        {
            bound = function()
            {
                var len = arguments.length;
                // Only concat the arguments if there are arguments during invocation (to avoid concat)
                // If this bound method is used as a constructor, don't change the context
                return fn.apply( this instanceof Anonymous ? this : _thisArg, len ? args.concat( slice.call( arguments, 0, len ) ) : args );
            };
        }
        else
        {
            bound = function()
            {
                // If this bound method is used as a constructor, don't change the context
                return fn.apply( this instanceof Anonymous ? this : _thisArg, arguments );
            };
        }
        bound.prototype = new Anonymous();

        // technically the bound function should have the same length as the function bound, but we can't emulate that
        return bound;
    };
}

( function()
{
    var toString = fnProto.toString;

    /*istanbul ignore next: not invoked since NodeJS has a name property on Function.prototype*/
    function name()
    {
        //jshint validthis:true
        if ( this === fnProto )
            return "";

        var match = toString.call( this ).match( /function\s*([a-zA-Z0-9_$]*)\s*\(/ );

        Object.defineProperty( this, "name", { configurable: true, value: ( match &amp;&amp; match[1] ) || "" } );

        return this.name;
    }

    // See if the name property isn't exposed, but we can expose it (and it works)
    /*istanbul ignore next: NodeJS has a name property on functions*/
    if ( !name.name &amp;&amp; Object.defineProperties &amp;&amp; ( name.call( name ) === "name" ) )
        Object.defineProperty( fnProto, "name", { configurable: true, "get": name } );
}() );

ObjectPolyfill.polyfill( Function, null, proto, exports, "Function" );

// End of module
}( Object, Function, require( "./Object" ) ) );
</code></pre>
        </article>
    </section>


</div>

<nav>
    <h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-barejs.html">barejs</a></li><li><a href="module-barejs_polyfill.html">barejs/polyfill</a></li><li><a href="module-barejs_polyfill_Intl.html">barejs/polyfill/Intl</a></li></ul><h3>Classes</h3><ul><li><a href="module-barejs.decl.html">decl</a></li><li><a href="module-barejs.decl-Enum.html">Enum</a></li><li><a href="module-barejs.decl-Interface.html">Interface</a></li><li><a href="module-barejs.decl-SpecialType.html">SpecialType</a></li><li><a href="module-barejs.Destroyable.html">Destroyable</a></li><li><a href="module-barejs.EventArgs.html">EventArgs</a></li><li><a href="module-barejs.Evented.html">Evented</a></li><li><a href="module-barejs.Evented-EventedHandle.html">EventedHandle</a></li><li><a href="module-barejs.Exception.html">Exception</a></li><li><a href="module-barejs_polyfill.Array.html">Array</a></li><li><a href="module-barejs_polyfill.Date.html">Date</a></li><li><a href="module-barejs_polyfill.EntryStore.html">EntryStore</a></li><li><a href="module-barejs_polyfill.EntryStore.Iterator.html">Iterator</a></li><li><a href="module-barejs_polyfill.Function.html">Function</a></li><li><a href="module-barejs_polyfill.Map.html">Map</a></li><li><a href="module-barejs_polyfill.Map-MapIterator.html">MapIterator</a></li><li><a href="module-barejs_polyfill.Math.html">Math</a></li><li><a href="module-barejs_polyfill.Number.html">Number</a></li><li><a href="module-barejs_polyfill.Object.html">Object</a></li><li><a href="module-barejs_polyfill.Promise.html">Promise</a></li><li><a href="module-barejs_polyfill.Set.html">Set</a></li><li><a href="module-barejs_polyfill.Set-SetIterator.html">SetIterator</a></li><li><a href="module-barejs_polyfill.String.html">String</a></li><li><a href="module-barejs_polyfill.Symbol.html">Symbol</a></li><li><a href="module-barejs_polyfill.WeakMap.html">WeakMap</a></li><li><a href="module-barejs_polyfill.WeakSet.html">WeakSet</a></li><li><a href="module-barejs_polyfill_Intl.DateTimeFormat.html">DateTimeFormat</a></li><li><a href="module-barejs_polyfill_Intl.DateTimeFormat-DateTimeFormatOptions.html">DateTimeFormatOptions</a></li><li><a href="module-barejs_polyfill_Intl.NumberFormat.html">NumberFormat</a></li><li><a href="module-barejs_polyfill_Intl.NumberFormat-NumberFormatOptions.html">NumberFormatOptions</a></li><li><a href="module-barejs_polyfill_Intl-Format.html">Format</a></li></ul>
</nav>

<br class="clear">

<footer>
    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Wed Oct 03 2018 15:59:34 GMT+0200 (W. Europe Daylight Time)
</footer>

<script> prettyPrint(); </script>
<script src="scripts/linenumber.js"> </script>
</body>
</html>