analytics/webcontent/bi/js/gemini/app/util/polyfills.js

'use strict';

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2014
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */
/**
 * An AMD wrapper around generic polyfills
 */
define([], function () {

	//bind polyfill from public domain
	//
	//  "Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/".
	//	https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind?redirectlocale=en-US&redirectslug=JavaScript%2FReference%2FGlobal_Objects%2FFunction%2Fbind#Compatibility
	//
	if (!Function.prototype.bind) {
		Function.prototype.bind = function (oThis) {
			if (typeof this !== 'function') {
				// closest thing possible to the ECMAScript 5 internal IsCallable function
				throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
			}

			var aArgs = Array.prototype.slice.call(arguments, 1),
			    fToBind = this,
			    fNOP = function fNOP() {},
			    fBound = function fBound() {
				return fToBind.apply(this instanceof fNOP && oThis ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments)));
			};

			fNOP.prototype = this.prototype;
			fBound.prototype = new fNOP();

			return fBound;
		};
	}
	return true;
});
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