Function RN

resources/vega.min.js:30304–30306

(t)

    return A(t) ? "(" + zN(t) + ")" : t;
  }
  function RN(t) {
    return LN(A(t) ? t : { datum: t });
  }
  function LN(t) {
    let e, n, r;
    if (t.signal) ((e = "datum"), (r = t.signal));