phpjs/functions/exec/escapeshellarg.js

php.js offers community built php functions in javascript

function escapeshellarg(arg) {
  // From: http://phpjs.org/functions
  // +   original by: Felix Geisendoerfer (http://www.debuggable.com/felix)
  // +   improved by: Brett Zamir (http://brett-zamir.me)
  // *     example 1: escapeshellarg("kevin's birthday");
  // *     returns 1: "'kevin\\'s birthday'"
  var ret = '';

  ret = arg.replace(/[^\\]'/g, function(m, i, s) {
    return m.slice(0, 1) + '\\\'';
  });

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