compact
Removes falsey values (false
, null
, 0
, ''
, undefined
, NaN
) from an array.
Signature
typescript
function compact<T>(arr: T[]): Array<Exclude<T, false | null | 0 | '' | undefined>>;
Parameters
arr
(T[]
): The input array to remove falsey values.
Returns
(Array<Exclude<T, false | null | 0 | '' | undefined>>
) A new array with all falsey values removed.
Examples
typescript
compact([0, 1, false, 2, '', 3, null, undefined, 4, NaN, 5]);
// Returns: [1, 2, 3, 4, 5]