@a11d/equals/dist/Set.equals.js

A value equality utility library.

import { equals } from './symbol.js';
Set.prototype[equals] = function (other) {
    if (this === other) {
        return true;
    }
    if (!(other instanceof Set)) {
        return false;
    }
    if (this.size !== other.size) {
        return false;
    }
    return [...this][equals]([...other]);
};