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

Async versions of various highly composable transducers, reducers and iterators

import { reducer } from "./reduce.js";
function str(sep = "", src) {
  let first = true;
  return src ? (async () => {
    let res = [];
    for await (let x of src) res.push(String(x));
    return res.join(sep);
  })() : reducer(
    () => "",
    (acc, x) => (acc = first ? acc + x : acc + sep + x, first = false, acc)
  );
}
export {
  str
};