133 lines
4 KiB
JavaScript
133 lines
4 KiB
JavaScript
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/*jshint
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asi: true,
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unused: true,
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boss: true,
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loopfunc: true,
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eqnull: true
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*/
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/*!
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* Legacy browser support
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*/
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// Map array support
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if ( ![].map ) {
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Array.prototype.map = function ( callback, self ) {
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var array = this, len = array.length, newArray = new Array( len )
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for ( var i = 0; i < len; i++ ) {
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if ( i in array ) {
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newArray[ i ] = callback.call( self, array[ i ], i, array )
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}
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}
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return newArray
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}
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}
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// Filter array support
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if ( ![].filter ) {
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Array.prototype.filter = function( callback ) {
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if ( this == null ) throw new TypeError()
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var t = Object( this ), len = t.length >>> 0
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if ( typeof callback != 'function' ) throw new TypeError()
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var newArray = [], thisp = arguments[ 1 ]
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for ( var i = 0; i < len; i++ ) {
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if ( i in t ) {
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var val = t[ i ]
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if ( callback.call( thisp, val, i, t ) ) newArray.push( val )
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}
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}
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return newArray
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}
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}
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// Index of array support
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if ( ![].indexOf ) {
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Array.prototype.indexOf = function( searchElement ) {
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if ( this == null ) throw new TypeError()
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var t = Object( this ), len = t.length >>> 0
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if ( len === 0 ) return -1
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var n = 0
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if ( arguments.length > 1 ) {
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n = Number( arguments[ 1 ] )
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if ( n != n ) {
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n = 0
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}
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else if ( n !== 0 && n != Infinity && n != -Infinity ) {
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n = ( n > 0 || -1 ) * Math.floor( Math.abs( n ) )
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}
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}
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if ( n >= len ) return -1
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var k = n >= 0 ? n : Math.max( len - Math.abs( n ), 0 )
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for ( ; k < len; k++ ) {
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if ( k in t && t[ k ] === searchElement ) return k
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}
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return -1
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}
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}
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/*!
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* Cross-Browser Split 1.1.1
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* Copyright 2007-2012 Steven Levithan <stevenlevithan.com>
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* Available under the MIT License
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* http://blog.stevenlevithan.com/archives/cross-browser-split
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*/
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var nativeSplit = String.prototype.split, compliantExecNpcg = /()??/.exec('')[1] === undefined
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String.prototype.split = function(separator, limit) {
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var str = this
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if (Object.prototype.toString.call(separator) !== '[object RegExp]') {
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return nativeSplit.call(str, separator, limit)
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}
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var output = [],
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flags = (separator.ignoreCase ? 'i' : '') +
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(separator.multiline ? 'm' : '') +
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(separator.extended ? 'x' : '') +
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(separator.sticky ? 'y' : ''),
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lastLastIndex = 0,
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separator2, match, lastIndex, lastLength
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separator = new RegExp(separator.source, flags + 'g')
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str += ''
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if (!compliantExecNpcg) {
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separator2 = new RegExp('^' + separator.source + '$(?!\\s)', flags)
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}
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limit = limit === undefined ? -1 >>> 0 : limit >>> 0
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while (match = separator.exec(str)) {
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lastIndex = match.index + match[0].length
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if (lastIndex > lastLastIndex) {
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output.push(str.slice(lastLastIndex, match.index))
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if (!compliantExecNpcg && match.length > 1) {
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match[0].replace(separator2, function () {
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for (var i = 1; i < arguments.length - 2; i++) {
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if (arguments[i] === undefined) {
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match[i] = undefined
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}
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}
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})
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}
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if (match.length > 1 && match.index < str.length) {
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Array.prototype.push.apply(output, match.slice(1))
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}
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lastLength = match[0].length
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lastLastIndex = lastIndex
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if (output.length >= limit) {
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break
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}
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}
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if (separator.lastIndex === match.index) {
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separator.lastIndex++
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}
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}
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if (lastLastIndex === str.length) {
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if (lastLength || !separator.test('')) {
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output.push('')
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}
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} else {
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output.push(str.slice(lastLastIndex))
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}
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return output.length > limit ? output.slice(0, limit) : output
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};
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