Function T_

resources/vega.min.js:15551–15556

(t, e)

    S_ = { Canvas: D_, PNG: "png", SVG: "svg", Hybrid: C_, None: F_ },
    $_ = {};
  function T_(t, e) {
    return (
      (t = String(t || "").toLowerCase()),
      arguments.length > 1 ? (($_[t] = e), this) : $_[t]
    );
  }
  function B_(t, e, n) {
    const r = [],
      i = new Vg().union(e),