Function mu

resources/vega-lite.min.js:6573–6597

(e, t)

        };
  }
  function mu(e, t) {
    let n = arguments.length > 2 && void 0 !== arguments[2] ? arguments[2] : {};
    const { markDef: i, encoding: r, config: o } = t,
      { vgChannel: a } = n;
    let { defaultRef: s, defaultValue: l } = n;
    const c = r[e];
    void 0 === s &&
      ((l ??= En(e, i, o, { vgChannel: a, ignoreVgConfig: !Qo(c) })),
      void 0 !== l && (s = Pn(l)));
    const u = {
        markDef: i,
        config: o,
        scaleName: t.scaleName(e),
        scale: t.getScaleComponent(e),
      },
      f = yo({ ...u, scaleChannel: e, channelDef: c });
    return ru({
      model: t,
      channelDef: c,
      vgChannel: a ?? e,
      invalidValueRef: f,
      mainRefFn: (t) =>
        wo({ ...u, channel: e, channelDef: t, stack: null, defaultRef: s }),
    });
  }
  function pu(e) {
    let t =
      arguments.length > 1 && void 0 !== arguments[1]