Method forEachFieldDef

resources/vega-lite.min.js:12159–12168

(e, t)

      );
    }
    forEachFieldDef(e, t) {
      Qa(
        this.getMapping(),
        (t, n) => {
          const i = wa(t);
          i && e(i, n);
        },
        t,
      );
    }
  }
  class Hm extends $c {
    clone() {