Function A

resources/vega-lite.min.js:154–164

(e)

    return e.charAt(0).toUpperCase() + e.substr(1);
  }
  function A(e) {
    let n =
      arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : "datum";
    const i = t.splitAccessPath(e),
      r = [];
    for (let e = 1; e <= i.length; e++) {
      const o = `[${i.slice(0, e).map(t.stringValue).join("][")}]`;
      r.push(`${n}${o}`);
    }
    return r.join(" && ");
  }
  function T(e) {
    return `${arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : "datum"}[${t.stringValue(t.splitAccessPath(e).join("."))}]`;
  }