05. Lowest Prices in Cities v2

function solve(input) {
    let products = [];
    input.forEach( el => {
        let [town, product, price] = el.split('|').map(x => x.trim());
        price = Number(price);

        let currentProduct = products.find(x => x.product === product);

        if (!currentProduct) {
            products.push({
                product,
                offers: [{
                    town,
                    price
                }]
            });
            return;
        }

        const currentTown  = currentProduct.offers.find(x => x.town === town);

        if (!currentTown) {
            currentProduct.offers.push({
                town,
                price
            });
            return;
        }
        currentTown.price = price;
    });

    products.forEach( el => {
        const sortedTowns = el.offers.sort((a,b) => a.price - b.price);
        const lowestOffer = sortedTowns[0];
        console.log(`${el.product} -> ${lowestOffer.price} (${lowestOffer.town})`);
    })
}