es-toolkit/dist/array/compact.js

A state-of-the-art, high-performance JavaScript utility library with a small bundle size and strong type annotations.

//#region src/array/compact.ts
/**
* Removes falsey values (false, null, 0, -0, 0n, '', undefined, NaN) from an array.
*
* @template T - The type of elements in the array.
* @param arr - The input array to remove falsey values.
* @returns A new array with all falsey values removed.
*
* @example
* compact([0, -0, 0n, 1, false, 2, '', 3, null, undefined, 4, NaN, 5]);
* Returns: [1, 2, 3, 4, 5]
*/
function compact(arr) {
	const result = [];
	for (let i = 0; i < arr.length; i++) {
		const item = arr[i];
		if (item) result.push(item);
	}
	return result;
}
//#endregion
exports.compact = compact;