Garages Ellie

function garage(garagesInfoInput) {
    let garagesInfo = garagesInfoInput.slice();
    let garagesMap = new Map();

    while (garagesInfo.length != 0) {
        let [garage, carKeyValues] = garagesInfo.shift().split(' - ');

        if (!garagesMap.has(garage)) {
            garagesMap.set(garage, [carKeyValues]);
        } else {
            let availableCars = garagesMap.get(garage);
            availableCars.push(carKeyValues);
            garagesMap.set(garage, availableCars);
        };
    }

    let output = '';

    for (let [currGarage, currCarKeyValue] of [...garagesMap]) {
        output += `Garage № ${currGarage}\n`;

        for (let currCarProperties of currCarKeyValue) {
            currCarProperties = currCarProperties.replace(/: /g, ' - ');
            output += `--- ${currCarProperties}\n`;
        }
    }

    console.log(output);
}