@thi.ng/transducers-async/zip.js

Async versions of various highly composable transducers, reducers and iterators

async function* zip(...src) {
  const iters = src.map(
    (s) => s[Symbol.iterator]?.() || s[Symbol.asyncIterator]?.()
  );
  while (true) {
    const tuple = [];
    for (let i of iters) {
      let v = await i.next();
      if (v.done) return;
      tuple.push(v.value);
    }
    yield tuple;
  }
}
export {
  zip
};