lodash

index.js

const _ = {
	clamp(number, lower, upper) {
		const lowerClampedValue = Math.max(number, lower);
		const clampedValue = Math.min(lowerClampedValue, upper);
		return clampedValue;
	},
	inRange(number, start, end) {
		if (!end) {
			end = start;
			start = 0;
		}

		return number >= start && number <= end;
	},
	words(string) {},
	pad(string, length) {},
	has(object, key) {},
	invert(object) {},
	findKey(object, predicate) {
		for (let key in object) {
			let value = object[key];
			let predicateReturnValue = predicate(value);
			if (predicateReturnValue) {
				return key;
			}
		}
	},
	drop(array, n) {
		return array.slice(n);
	},
	dropWhile(array, predicate) {
		let idx = 0;
		while (predicate(array[idx], idx)) {
			idx += 1;
		}
		return array.slice(n);
	},
	chunk(array, size) {
		let arrayChunks = [];
		for (let i = 0; i < array.length; i += size) {
			let arrayChunk = array.slice(i, i + size);
			arrayChunks.push(arrayChunk);
		}
		return arrayChunks;
	},
};

// Do not write or modify code below this line.
module.exports = _;