Function mapper

client/js/src/internal/asyncIteratorMap.test.ts:23–23

(x: number)

    test('works with empty input', async () => {
        const inputGen = createAsyncGenerator([]);
        const mapper = async (x: number) => x * 2;

        const mappedGen = asyncIteratorMap(inputGen, mapper);
        const results = await collectResults(mappedGen);