function x() {
  const i = [], u = { run: c, use: p };
  return u;
  function c(...n) {
    let h = -1;
    const t = n.pop();
    if (typeof t != "function")
      throw new TypeError("Expected function as last argument, not " + t);
    f(null, ...n);
    function f(e, ...o) {
      const r = i[++h];
      let l = -1;
      if (e) {
        t(e);
        return;
      }
      for (; ++l < n.length; )
        (o[l] === null || o[l] === void 0) && (o[l] = n[l]);
      n = o, r ? s(r, f)(...o) : t(null, ...o);
    }
  }
  function p(n) {
    if (typeof n != "function")
      throw new TypeError(
        "Expected `middelware` to be a function, not " + n
      );
    return i.push(n), u;
  }
}
function s(i, u) {
  let c;
  return p;
  function p(...t) {
    const f = i.length > t.length;
    let e;
    f && t.push(n);
    try {
      e = i.apply(this, t);
    } catch (o) {
      const r = (
        /** @type {Error} */
        o
      );
      if (f && c)
        throw r;
      return n(r);
    }
    f || (e && e.then && typeof e.then == "function" ? e.then(h, n) : e instanceof Error ? n(e) : h(e));
  }
  function n(t, ...f) {
    c || (c = !0, u(t, ...f));
  }
  function h(t) {
    n(null, t);
  }
}
export {
  x as trough,
  s as wrap
};
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