Function zf

resources/vega-lite.min.js:8213–8221

(e, t, n, i)

        : "column";
  }
  function zf(e, t, n, i) {
    const r =
      "row" === i
        ? n.headerRow
        : "column" === i
          ? n.headerColumn
          : n.headerFacet;
    return U((t || {})[e], r[e], n.header[e]);
  }
  function Cf(e, t, n, i) {
    const r = {};
    for (const o of e) {