99 lines
1.7 KiB
JavaScript
99 lines
1.7 KiB
JavaScript
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// Polyfills
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if ( Number.EPSILON === undefined ) {
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Number.EPSILON = Math.pow( 2, - 52 );
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}
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if ( Number.isInteger === undefined ) {
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// Missing in IE
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger
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Number.isInteger = function ( value ) {
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return typeof value === 'number' && isFinite( value ) && Math.floor( value ) === value;
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};
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}
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//
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if ( Math.sign === undefined ) {
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign
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Math.sign = function ( x ) {
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return ( x < 0 ) ? - 1 : ( x > 0 ) ? 1 : + x;
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};
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}
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if ( 'name' in Function.prototype === false ) {
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// Missing in IE
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name
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Object.defineProperty( Function.prototype, 'name', {
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get: function () {
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return this.toString().match( /^\s*function\s*([^\(\s]*)/ )[ 1 ];
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}
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} );
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}
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if ( Object.assign === undefined ) {
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// Missing in IE
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// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
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( function () {
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Object.assign = function ( target ) {
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'use strict';
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if ( target === undefined || target === null ) {
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throw new TypeError( 'Cannot convert undefined or null to object' );
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}
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var output = Object( target );
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for ( var index = 1; index < arguments.length; index ++ ) {
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var source = arguments[ index ];
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if ( source !== undefined && source !== null ) {
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for ( var nextKey in source ) {
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if ( Object.prototype.hasOwnProperty.call( source, nextKey ) ) {
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output[ nextKey ] = source[ nextKey ];
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}
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}
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}
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}
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return output;
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};
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} )();
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}
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