mirror of https://gitee.com/bigwinds/arangodb
93 lines
3.1 KiB
JavaScript
93 lines
3.1 KiB
JavaScript
/*jslint indent: 2,
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nomen: true,
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maxlen: 100,
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sloppy: true,
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plusplus: true */
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////////////////////////////////////////////////////////////////////////////////
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/// @brief Monkeypatches to built-in Classes
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2010-2012 triagens GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler, Lucas Dohmen
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/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief remove last occurrence of element from an array
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////////////////////////////////////////////////////////////////////////////////
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Object.defineProperty(Array.prototype, "removeLastOccurrenceOf", {
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value: function (element) {
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return this.splice(this.lastIndexOf(element), 1);
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}
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});
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////////////////////////////////////////////////////////////////////////////////
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/// @brief return the union with another array
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////////////////////////////////////////////////////////////////////////////////
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Object.defineProperty(Array.prototype, "unite", {
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value: function (other_array) {
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return other_array.concat(this.filter(function (element) {
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return (other_array.indexOf(element) === -1);
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}));
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}
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});
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////////////////////////////////////////////////////////////////////////////////
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/// @brief return the intersection with another array
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////////////////////////////////////////////////////////////////////////////////
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Object.defineProperty(Array.prototype, "intersect", {
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value: function (other_array) {
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return this.filter(function (element) {
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return (other_array.indexOf(element) > -1);
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});
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}
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});
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////////////////////////////////////////////////////////////////////////////////
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/// @brief shallow copy properties
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////////////////////////////////////////////////////////////////////////////////
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Object.defineProperty(Object.prototype, "shallowCopy", {
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get: function () {
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return this.propertyKeys.reduce(function (previousValue, key) {
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previousValue[key] = this[key]; return previousValue;
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}, {});
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}
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});
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////////////////////////////////////////////////////////////////////////////////
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/// @brief property keys
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////////////////////////////////////////////////////////////////////////////////
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Object.defineProperty(Object.prototype, "propertyKeys", {
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get: function () {
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return Object.keys(this).filter(function (element) {
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return (element[0] !== '_' && element[0] !== '$');
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});
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}
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});
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