cpt-waffle-lotide/dist/middle.ts

LoTide in Typescript

const middle = (array:any[]):any[] => {
	if (!array || array.length <= 2) {
		return [];
	}

	if (array.length % 2) {
		const mid:number = Math.floor(array.length / 2);
		return [array[mid]];
	} else {
		const mid1:number = array.length / 2 - 1;
		const mid2:number = array.length / 2;
		return [array[mid1], array[mid2]];
	}
}

export default middle;
// assertArrayEqual(middle([1]), []);
// assertArrayEqual(middle([1, 2]), []);
// assertArrayEqual(middle([1, 2, 3]), [2]);
// assertArrayEqual(middle([1, 2, 3, 4, 5]), [3]);
// assertArrayEqual(middle([1, 2, 3, 4]), [2, 3]);
// assertArrayEqual(middle([1, 2, 3, 4, 5, 6]), [3,4]);