Function QM

resources/vega.min.js:19705–19736

(t, e)

      "tilt",
    ];
  function QM(t, e) {
    if (!t || "string" != typeof t)
      throw new Error("Projection type must be a name string.");
    return (
      (t = t.toLowerCase()),
      arguments.length > 1
        ? ((tE[t] = (function (t, e) {
            return function n() {
              const r = e();
              return (
                (r.type = t),
                (r.path = tM().projection(r)),
                (r.copy =
                  r.copy ||
                  function () {
                    const t = n();
                    return (
                      ZM.forEach((e) => {
                        r[e] && t[e](r[e]());
                      }),
                      t.path.pointRadius(r.path.pointRadius()),
                      t
                    );
                  }),
                ip(r)
              );
            };
          })(t, e)),
          this)
        : tE[t] || null
    );
  }
  function KM(t) {
    return (t && t.path) || JM;
  }