114 lines
2.5 KiB
JavaScript
114 lines
2.5 KiB
JavaScript
var $A = Array.from = function(iterable) {
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if (!iterable) return [];
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if (iterable.toArray) {
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return iterable.toArray();
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} else {
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var results = [];
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for (var i = 0, length = iterable.length; i < length; i++)
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results.push(iterable[i]);
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return results;
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}
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}
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Object.extend(Array.prototype, Enumerable);
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if (!Array.prototype._reverse)
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Array.prototype._reverse = Array.prototype.reverse;
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Object.extend(Array.prototype, {
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_each: function(iterator) {
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for (var i = 0, length = this.length; i < length; i++)
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iterator(this[i]);
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},
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clear: function() {
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this.length = 0;
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return this;
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},
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first: function() {
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return this[0];
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},
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last: function() {
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return this[this.length - 1];
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},
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compact: function() {
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return this.select(function(value) {
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return value != null;
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});
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},
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flatten: function() {
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return this.inject([], function(array, value) {
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return array.concat(value && value.constructor == Array ?
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value.flatten() : [value]);
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});
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},
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without: function() {
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var values = $A(arguments);
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return this.select(function(value) {
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return !values.include(value);
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});
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},
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indexOf: function(object) {
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for (var i = 0, length = this.length; i < length; i++)
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if (this[i] == object) return i;
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return -1;
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},
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reverse: function(inline) {
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return (inline !== false ? this : this.toArray())._reverse();
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},
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reduce: function() {
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return this.length > 1 ? this : this[0];
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},
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uniq: function(sorted) {
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return this.inject([], function(array, value, index) {
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if (0 == index || (sorted ? array.last() != value : !array.include(value)))
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array.push(value);
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return array;
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});
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},
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clone: function() {
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return [].concat(this);
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},
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size: function() {
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return this.length;
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},
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inspect: function() {
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return '[' + this.map(Object.inspect).join(', ') + ']';
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}
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});
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Array.prototype.toArray = Array.prototype.clone;
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function $w(string){
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string = string.strip();
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return string ? string.split(/\s+/) : [];
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}
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if(window.opera){
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Array.prototype.concat = function(){
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var array = [];
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for(var i = 0, length = this.length; i < length; i++) array.push(this[i]);
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for(var i = 0, length = arguments.length; i < length; i++) {
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if(arguments[i].constructor == Array) {
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for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
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array.push(arguments[i][j]);
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} else {
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array.push(arguments[i]);
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}
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}
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return array;
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}
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}
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