1
// Polyfills for old Safari versions
2
if (!Object.hasOwn) {
3
    Object.hasOwn = function (obj, prop) { return obj.hasOwnProperty(prop); }
4
}
5

6
if (!Array.prototype.findLastIndex) {
7
    Array.prototype.findLastIndex = function (callback, thisArg) {
8
        for (let i = this.length - 1; i >= 0; i--) {
9
            if (callback.call(thisArg, this[i], i, this)) return i;
10
        }
11
        return -1;
12
    };
13
}
14

15
if (!Array.prototype.toSorted) {
16
    Array.prototype.toSorted = function (compareFunction) {
17
        return this.slice().sort(compareFunction);
18
    };
19
}