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/*******************************************************************************
ηMatrix - a browser extension to black/white list requests.
Copyright (C) 2017-2019 Raymond Hill
Copyright (C) 2019-2020 Alessio Vanni
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see {http://www.gnu.org/licenses/}.
Home: https://libregit.org/heckyel/ematrix
uMatrix Home: https://github.com/gorhill/uMatrix
This file has been originally imported from:
https://github.com/gorhill/uBlock/tree/master/platform/chromium
*/
// For background page or non-background pages
/* exported objectAssign */
'use strict';
/******************************************************************************/
/******************************************************************************/
// As per MDN, Object.assign appeared first in Firefox 34.
// https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign#Browser_compatibility
var objectAssign = Object.assign || function(target, source) {
var keys = Object.keys(source);
for ( var i = 0, n = keys.length, key; i < n; i++ ) {
key = keys[i];
target[key] = source[key];
}
return target;
};
/******************************************************************************/
// Patching for Pale Moon which does not implement ES6 Set/Map.
// Test for non-ES6 Set/Map: check if property `iterator` is present.
// The code is strictly to satisfy uBO's core, not to be an accurate
// implementation of ES6.
if ( self.Set.prototype.iterator instanceof Function ) {
//console.log('Patching non-ES6 Set() to be more ES6-like.');
self.Set.prototype._values = self.Set.prototype.values;
self.Set.prototype.values = function() {
this._valueIter = this._values();
this.value = undefined;
this.done = false;
return this;
};
self.Set.prototype.next = function() {
try {
this.value = this._valueIter.next();
} catch (ex) {
this._valueIter = undefined;
this.value = undefined;
this.done = true;
}
return this;
};
}
if ( self.Map.prototype.iterator instanceof Function ) {
//console.log('Patching non-ES6 Map() to be more ES6-like.');
self.Map.prototype._entries = self.Map.prototype.entries;
self.Map.prototype.entries = function() {
this._entryIter = this._entries();
this.value = undefined;
this.done = false;
return this;
};
self.Map.prototype.next = function() {
try {
this.value = this._entryIter.next();
} catch (ex) {
this._entryIter = undefined;
this.value = undefined;
this.done = true;
}
return this;
};
}
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