mapsAndObjects.js

/**
 * @name mapToObject
 * @desc Converts Map to Object
 * @param {Map} map
 * @returns {Object}
 */
function mapToObject(map) {
    return Object.assign(Object.create(null), ...[...map].map(v => ({ [v[0]]: v[1] })));
}

/**
 * @name objectToMap
 * @desc Converts Object to Map
 * @param {Object} obj
 * @returns {Map}
 */
function objectToMap(obj) {
    return new Map([...Object.keys(obj).map(k => ([k, obj[k]]))]);
}