mirror of https://github.com/gorhill/uBlock.git
80 lines
2.4 KiB
JavaScript
80 lines
2.4 KiB
JavaScript
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/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2019-present Raymond Hill
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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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The scriptlets below are meant to be injected only into a
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web page context.
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*/
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/* jshint esversion:11 */
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'use strict';
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/******************************************************************************/
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/// name css-specific
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/******************************************************************************/
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// Important!
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// Isolate from global scope
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(function() {
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/******************************************************************************/
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const argsMap = new Map(self.$argsMap$);
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const hostnamesMap = new Map(self.$hostnamesMap$);
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let hn;
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try { hn = document.location.hostname; } catch(ex) { }
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const styles = [];
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while ( hn ) {
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if ( hostnamesMap.has(hn) ) {
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let argsHashes = hostnamesMap.get(hn);
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if ( typeof argsHashes === 'number' ) { argsHashes = [ argsHashes ]; }
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for ( const argsHash of argsHashes ) {
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const details = argsMap.get(argsHash);
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if ( details.n && details.n.includes(hn) ) { continue; }
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styles.push(details.a);
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}
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}
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const pos = hn.indexOf('.');
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if ( pos === -1 ) { break; }
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hn = hn.slice(pos + 1);
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}
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if ( styles.length === 0 ) { return; }
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try {
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const sheet = new CSSStyleSheet();
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sheet.replace(`@layer{${styles.join(',')}{display:none!important;}}`);
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document.adoptedStyleSheets = [
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...document.adoptedStyleSheets,
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sheet
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];
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} catch(ex) {
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}
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/******************************************************************************/
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})();
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/******************************************************************************/
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