@naturalcycles/js-lib/dist/object/map2.js

Standard library for universal (browser + Node.js) javascript

/**
 * Like Map, but serializes to JSON as an object.
 *
 * Fixes the "issue" of stock Map being json-serialized as `{}`.
 *
 * @experimental
 */
export class Map2 extends Map {
    /**
     * Convenience way to create Map2 from object.
     */
    static of(obj) {
        return new Map2(Object.entries(obj));
    }
    toObject() {
        return Object.fromEntries(this);
    }
    toJSON() {
        return Object.fromEntries(this);
    }
}