30-seconds-of-code/js/snippets/cast-array.md

title, type, tags, cover, dateModified

title	type	tags	cover	dateModified
Cast to array	snippet	type array	man-red-sunset	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]