locutus/php/url/urlencode.js

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

'use strict';

module.exports = function urlencode(str) {
  //       discuss at: https://locutus.io/php/urlencode/
  //      original by: Philip Peterson
  //      improved by: Kevin van Zonneveld (https://kvz.io)
  //      improved by: Kevin van Zonneveld (https://kvz.io)
  //      improved by: Brett Zamir (https://brett-zamir.me)
  //      improved by: Lars Fischer
  //      improved by: Waldo Malqui Silva (https://fayr.us/waldo/)
  //         input by: AJ
  //         input by: travc
  //         input by: Brett Zamir (https://brett-zamir.me)
  //         input by: Ratheous
  //      bugfixed by: Kevin van Zonneveld (https://kvz.io)
  //      bugfixed by: Kevin van Zonneveld (https://kvz.io)
  //      bugfixed by: Joris
  // reimplemented by: Brett Zamir (https://brett-zamir.me)
  // reimplemented by: Brett Zamir (https://brett-zamir.me)
  //           note 1: This reflects PHP 5.3/6.0+ behavior
  //           note 1: Please be aware that this function
  //           note 1: expects to encode into UTF-8 encoded strings, as found on
  //           note 1: pages served as UTF-8
  //        example 1: urlencode('Kevin van Zonneveld!')
  //        returns 1: 'Kevin+van+Zonneveld%21'
  //        example 2: urlencode('https://kvz.io/')
  //        returns 2: 'https%3A%2F%2Fkvz.io%2F'
  //        example 3: urlencode('https://www.google.nl/search?q=Locutus&ie=utf-8')
  //        returns 3: 'https%3A%2F%2Fwww.google.nl%2Fsearch%3Fq%3DLocutus%26ie%3Dutf-8'

  str = str + '';

  return encodeURIComponent(str).replace(/!/g, '%21').replace(/'/g, '%27').replace(/\(/g, '%28').replace(/\)/g, '%29').replace(/\*/g, '%2A').replace(/~/g, '%7E').replace(/%20/g, '+');
};
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