const delay = (ms, val) => new Promise(res => setTimeout(res, ms, val));

async function pipeline(...fns) {
  return async (input) => {
    let result = input;
    for (const fn of fns) {
      result = await fn(result);
    }
    return result;
  };
}

const double  = async (x) => delay(10, x * 2);
const addTen  = async (x) => delay(10, x + 10);
const square  = async (x) => delay(10, x ** 2);

(async () => {
  const process = await pipeline(double, addTen, square);
  const output  = await process(3);
  console.log(output);
})();