Files
30-seconds-of-code/test/anagrams/anagrams.js
2018-01-17 13:40:40 -05:00

11 lines
274 B
JavaScript

const anagrams = str => {
if (str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str];
return str
.split('')
.reduce(
(acc, letter, i) =>
acc.concat(anagrams(str.slice(0, i) + str.slice(i + 1)).map(val => letter + val)),
[]
);
};
module.exports = anagrams