Function uu

resources/vega-lite.min.js:6530–6534

(e)

    return o.length > 0 ? { signal: `{${o.join(", ")}}` } : void 0;
  }
  function uu(e) {
    const { markDef: t, config: n } = e,
      i = En("aria", t, n);
    return !1 === i ? {} : { ...(i ? { aria: i } : {}), ...fu(e), ...du(e) };
  }
  function fu(e) {
    const { mark: n, markDef: i, config: r } = e;
    if (!1 === r.aria) return {};