Book/Rating List for Blake

book-list.js

const bookList = [['Book 1', 'some Author'], ['Book 2', 'some Author'], ['Book 3', 'some Author']];

const ratingList = [[0, 3, 5], [3, 0, 5]];

const nameList = ['Preston', 'Blake'];

function getRatings() {
	let personIndex = 0;
	const returnObj = {};
	while (personIndex < nameList.length) {
		const personName = nameList[personIndex];
		const ratings = ratingList[personIndex];

		let bookIndex = 0;
		while (bookIndex < bookList.length) {
			const book = bookList[bookIndex];
			const bookName = `${book[0]}, ${book[1]}`;
			const rating = ratings[bookIndex];

			if (rating > 0) {
				if (!returnObj[personName]) {
					returnObj[personName] = {};
				}

				returnObj[personName][bookName] = rating;
			}

			bookIndex += 1;
		}

		personIndex += 1;
	}

	return returnObj;
}

const ratingsObj = getRatings();