1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
export default function numJewelsInStones(    jewels: string,    stones: string,): number {    const set = new Set(jewels);
    // deno-lint-ignore ban-ts-comment    //@ts-ignore    return Array.prototype.reduce.call(        stones,        // deno-lint-ignore ban-ts-comment        //@ts-ignore        (a, v) => a + Number(set.has(v)),        0,    );}