30-seconds-of-code/test4/isSimilar/isSimilar.js

const isSimilar = (pattern, str) =>
[...str].reduce(
(matchIndex, char) => char.toLowerCase() === (pattern[matchIndex]  || '').toLowerCase() ? matchIndex + 1 : matchIndex, 0
) === pattern.length ? true : false;
module.exports = isSimilar;