Files
30-seconds-of-code/snippets/castArray.md
2022-12-04 22:20:49 +02:00

470 B

title, tags, cover, firstSeen, lastUpdated
title tags cover firstSeen lastUpdated
Cast to array type,array blog_images/man-red-sunset.jpg 2018-01-23T20:54:12+02:00 2020-09-15T16:28:04+03:00

Casts the provided value as an array if it's not one.

  • Use Array.isArray() to determine if val is an array and return it as-is or encapsulated in an array accordingly.
const castArray = val => (Array.isArray(val) ? val : [val]);
castArray('foo'); // ['foo']
castArray([1]); // [1]