Contents

'use strict';

var LETTERS = 'abcdefghijklmnopqrstuvwxyz';
var REVERSED_LETTERS = 'zyxwvutsrqponmlkjihgfedcba';

function insertSpacing(s, interval) {
  var matcher = new RegExp('.{1,' + interval + '}', 'g');
  return s.match(matcher).join(' ');
}

function invert(character) {
  /*jshint validthis: true */
  if (character.match(/\d/)) {
    this.push(character);
  } else {
    this.push(LETTERS[REVERSED_LETTERS.indexOf(character)]);
  }
}

module.exports = {
  encode: function (s) {
    var encoded = '';
    var characters = [];
    s.toLowerCase().split('').forEach( invert, characters );
    encoded = insertSpacing(characters.join(''), 5);
    return encoded;
  }
};

Version data entries

255 entries across 255 versions & 1 rubygems

Version	Path
trackler-2.2.1.37	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.36	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.35	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.34	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.33	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.32	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.31	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.30	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.29	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.28	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.27	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.26	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.25	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.24	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.23	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.22	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.21	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.20	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.19	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.18	tracks/javascript/exercises/atbash-cipher/example.js