@naturalcycles/js-lib/dist/object/set2.js

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

/**
 * Like Set, but serializes to JSON as an array.
 *
 * Fixes the "issue" of stock Set being json-serialized as `{}`.
 *
 * @experimental
 */
export class Set2 extends Set {
    toArray() {
        return [...this];
    }
    toJSON() {
        return [...this];
    }
}