@thi.ng/transducers/take-while.js

Collection of ~170 lightweight, composable transducers, reducers, generators, iterators for functional data transformations

import { compR } from "./compr.js";
import { __iter } from "./iterator.js";
import { reduced } from "./reduced.js";
function takeWhile(...args) {
  return __iter(takeWhile, args) || ((rfn) => {
    const r = rfn[2];
    const pred = args[0];
    let ok = true;
    return compR(
      rfn,
      (acc, x) => (ok = ok && pred(x)) ? r(acc, x) : reduced(acc)
    );
  });
}
export {
  takeWhile
};