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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]

Released under the MIT License.