Contents

const LETTERS = 'abcdefghijklmnopqrstuvwxyz';
const REVERSED_LETTERS = [...LETTERS].reverse().join('');

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

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

export default {
  encode: (s) => {
    let encoded;
    const characters = [];
    [...s.toLowerCase()].forEach(invert, characters);
    encoded = insertSpacing(characters.join(''), 5);
    return encoded;
  },
};

Version data entries

185 entries across 185 versions & 1 rubygems

Version	Path
trackler-2.2.1.38	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.37	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.36	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.35	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.34	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.33	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.32	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.31	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.30	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.29	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.28	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.27	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.26	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.25	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.24	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.23	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.22	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.21	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.20	tracks/ecmascript/exercises/atbash-cipher/example.js
trackler-2.2.1.19	tracks/ecmascript/exercises/atbash-cipher/example.js