locutus/php/url/rawurldecode.js

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

'use strict';

module.exports = function rawurldecode(str) {
  //       discuss at: https://locutus.io/php/rawurldecode/
  //      original by: Brett Zamir (https://brett-zamir.me)
  //         input by: travc
  //         input by: Brett Zamir (https://brett-zamir.me)
  //         input by: Ratheous
  //         input by: lovio
  //      bugfixed by: Kevin van Zonneveld (https://kvz.io)
  // reimplemented by: Brett Zamir (https://brett-zamir.me)
  //      improved by: Brett Zamir (https://brett-zamir.me)
  //           note 1: Please be aware that this function expects to decode
  //           note 1: from UTF-8 encoded strings, as found on
  //           note 1: pages served as UTF-8
  //        example 1: rawurldecode('Kevin+van+Zonneveld%21')
  //        returns 1: 'Kevin+van+Zonneveld!'
  //        example 2: rawurldecode('https%3A%2F%2Fkvz.io%2F')
  //        returns 2: 'https://kvz.io/'
  //        example 3: rawurldecode('https%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3DLocutus%26ie%3D')
  //        returns 3: 'https://www.google.nl/search?q=Locutus&ie='

  return decodeURIComponent((str + '').replace(/%(?![\da-f]{2})/gi, function () {
    // PHP tolerates poorly formed escape sequences
    return '%25';
  }));
};
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