mirror of
https://github.com/gorhill/uBlock.git
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92 lines
3.1 KiB
JavaScript
92 lines
3.1 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2016 The uBlock Origin authors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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// For background page or non-background pages
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/* exported objectAssign */
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'use strict';
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/******************************************************************************/
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/******************************************************************************/
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// As per MDN, Object.assign appeared first in Firefox 34.
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// https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Browser_compatibility
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var objectAssign = Object.assign || function(target, source) {
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var keys = Object.keys(source);
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for ( var i = 0, n = keys.length, key; i < n; i++ ) {
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key = keys[i];
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target[key] = source[key];
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}
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return target;
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};
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/******************************************************************************/
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// Patching for Pale Moon which does not implement ES6 Set/Map.
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// Test for non-ES6 Set/Map: check if property `iterator` is present.
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// The code is strictly to satisfy uBO's core, not to be an accurate
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// implementation of ES6.
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if ( self.Set.prototype.iterator instanceof Function ) {
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//console.log('Patching non-ES6 Set() to be more ES6-like.');
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self.Set.prototype._values = self.Set.prototype.values;
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self.Set.prototype.values = function() {
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this._valueIter = this._values();
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this.value = undefined;
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this.done = false;
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return this;
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};
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self.Set.prototype.next = function() {
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try {
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this.value = this._valueIter.next();
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} catch (ex) {
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this._valueIter = undefined;
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this.value = undefined;
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this.done = true;
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}
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return this;
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};
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}
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if ( self.Map.prototype.iterator instanceof Function ) {
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//console.log('Patching non-ES6 Map() to be more ES6-like.');
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self.Map.prototype._entries = self.Map.prototype.entries;
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self.Map.prototype.entries = function() {
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this._entryIter = this._entries();
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this.value = undefined;
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this.done = false;
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return this;
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};
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self.Map.prototype.next = function() {
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try {
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this.value = this._entryIter.next();
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} catch (ex) {
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this._entryIter = undefined;
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this.value = undefined;
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this.done = true;
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}
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return this;
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};
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}
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