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42 lines
1.5 KiB
JavaScript
42 lines
1.5 KiB
JavaScript
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/*******************************************************************************
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uBlock Origin - a browser extension to block requests.
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Copyright (C) 2017-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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*/
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'use strict';
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/******************************************************************************/
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export function safeReplace(text, pattern, replacement, count = 1) {
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const rePattern = typeof pattern === 'string'
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? new RegExp(pattern.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'))
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: pattern;
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let out = text;
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for (;;) {
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const match = rePattern.exec(out);
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if ( match === null ) { break; }
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out = out.slice(0, match.index) +
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replacement +
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out.slice(match.index + match[0].length);
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count -= 1;
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if ( count === 0 ) { break; }
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}
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return out;
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}
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