Function Mf

resources/vega-lite.min.js:8294–8336

(e, t, n)

        : { field: ma(e, { expr: "datum" }), order: i ?? "ascending" };
  }
  function Mf(e, t, n) {
    const {
        format: i,
        formatType: r,
        labelAngle: o,
        labelAnchor: a,
        labelOrient: s,
        labelExpr: l,
      } = Cf(
        [
          "format",
          "formatType",
          "labelAngle",
          "labelAnchor",
          "labelOrient",
          "labelExpr",
        ],
        e.header,
        n,
        t,
      ),
      c = Oo({
        fieldOrDatumDef: e,
        format: i,
        formatType: r,
        expr: "parent",
        config: n,
      }).signal,
      u = Of(t, s);
    return {
      text: {
        signal: l
          ? R(R(l, "datum.label", c), "datum.value", ma(e, { expr: "parent" }))
          : c,
      },
      ...("row" === t ? { orient: "left" } : {}),
      style: "guide-label",
      frame: "group",
      ...Tf(o, u),
      ...Af(u, o, a),
      ...Uf(n, e, t, Ds, ks),
    };
  }
  function Rf(e, t, n, i, r) {
    if (r) {
      let o = null;