Function Sn

resources/vega-lite.min.js:834–836

(e)

    return J(e, "step");
  }
  function Sn(e) {
    return !t.isArray(e) && J(e, "field") && J(e, "data");
  }
  const Dn = D({
      aria: 1,
      description: 1,