Function wn

resources/vega-lite.min.js:828–830

(e)

    return t.isString(e) || (t.isArray(e) && t.isString(e[0]));
  }
  function wn(e) {
    return J(e, "signal");
  }
  function kn(e) {
    return J(e, "step");
  }