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node_modules/cross-spawn/lib/util/escape.js
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drndsv
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14 апр 2025, 22:53
14 апр 2025, 22:53
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'use strict'; // See http://www.robvanderwoude.com/escapechars.php const metaCharsRegExp = /([()\][%!^"`<>&|;, *?])/g; function escapeCommand(arg) { // Escape meta chars arg = arg.replace(metaCharsRegExp, '^$1'); return arg; } function escapeArgument(arg, doubleEscapeMetaChars) { // Convert to string arg = `${arg}`; // Algorithm below is based on https://qntm.org/cmd // It's slightly altered to disable JS backtracking to avoid hanging on specially crafted input // Please see https://github.com/moxystudio/node-cross-spawn/pull/160 for more information // Sequence of backslashes followed by a double quote: // double up all the backslashes and escape the double quote arg = arg.replace(/(?=(\\+?)?)\1"/g, '$1$1\\"'); // Sequence of backslashes followed by the end of the string // (which will become a double quote later): // double up all the backslashes arg = arg.replace(/(?=(\\+?)?)\1$/, '$1$1'); // All other backslashes occur literally // Quote the whole thing: arg = `"${arg}"`; // Escape meta chars arg = arg.replace(metaCharsRegExp, '^$1'); // Double escape meta chars if necessary if (doubleEscapeMetaChars) { arg = arg.replace(metaCharsRegExp, '^$1'); } return arg; } module.exports.command = escapeCommand; module.exports.argument = escapeArgument;