Function f

resources/vega-embed.min.js:78–87

(e)

    return r;
  }
  function f(e) {
    switch (typeof e) {
      case "object":
        return JSON.parse(JSON.stringify(e));
      case "undefined":
        return null;
      default:
        return e;
    }
  }
  function d(e) {
    for (var t, n = 0, r = e.length; n < r; ) {
      if (!((t = e.charCodeAt(n)) >= 48 && t <= 57)) return !1;