Method mapUnit

resources/vega-lite.min.js:5136–5151

(e, t)

        return super.map(e, t);
      }
      mapUnit(e, t) {
        const { parentEncoding: n, parentProjection: i } = t,
          r = vl(e.encoding, t.repeater),
          o = {
            ...e,
            ...(e.name
              ? { name: [t.repeaterPrefix, e.name].filter((e) => e).join("_") }
              : {}),
            ...(r ? { encoding: r } : {}),
          };
        if (n || i) return this.mapUnitWithParentEncodingOrProjection(o, t);
        const a = this.mapLayerOrUnit.bind(this);
        for (const e of this.nonFacetUnitNormalizers)
          if (e.hasMatchingType(o, t.config)) return e.run(o, t, a);
        return o;
      }
      mapRepeat(e, n) {
        return (function (e) {
          return !t.isArray(e.repeat) && J(e.repeat, "layer");