Function ca

resources/vega-lite.min.js:2283–2285

(e)

    return J(e, "scale") || J(e, "sort");
  }
  function ca(e) {
    return J(e, "axis") || J(e, "stack") || J(e, "impute");
  }
  function ua(e) {
    return J(e, "legend");
  }