locutus/php/exec/escapeshellarg.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

'use strict';

module.exports = function escapeshellarg(arg) {
  //  discuss at: https://locutus.io/php/escapeshellarg/
  // Warning: this function emulates escapeshellarg() for php-running-on-linux
  // the function behaves differently when running on Windows, which is not covered by this code.
  // 
  // original by: Felix Geisendoerfer (https://www.debuggable.com/felix)
  // improved by: Brett Zamir (https://brett-zamir.me)
  // bugfixed by: divinity76 (https://github.com/divinity76)
  //   example 1: escapeshellarg("kevin's birthday")
  //   returns 1: "'Kevin'\''s birthday'"
  //   example 2: escapeshellarg("/home'; whoami;''")
  //   returns 2: "'/home'\''; whoami;'\'''\'''"

  if (arg.indexOf("\x00") !== -1) {
    throw new Error('escapeshellarg(): Argument #1 ($arg) must not contain any null bytes');
  }

  var ret = '';

  ret = arg.replace(/\'/g, '\'\\\'\'');

  return "'" + ret + "'";
};
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