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

141 entries across 141 versions & 1 rubygems

Version	Path
trackler-2.2.1.159	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.158	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.157	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.156	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.155	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.154	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.153	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.152	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.151	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.150	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.149	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.148	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.147	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.146	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.145	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.144	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.143	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.142	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.141	tracks/javascript/exercises/atbash-cipher/example.js
trackler-2.2.1.140	tracks/javascript/exercises/atbash-cipher/example.js