main.js

import alwaysArray from "../util/always_array";

export default function(cldr) {
  var prepend, supplemental;

  prepend = function(prepend) {
    return function(path) {
      path = alwaysArray(path);
      return cldr.get([prepend].concat(path));
    };
  };

  supplemental = prepend("supplemental");

  // Week Data
  // http://www.unicode.org/reports/tr35/tr35-dates.html#Week_Data
  supplemental.weekData = prepend("supplemental/weekData");

  supplemental.weekData.firstDay = function() {
    return (
      cldr.get("supplemental/weekData/firstDay/{territory}") ||
      cldr.get("supplemental/weekData/firstDay/001")
    );
  };

  supplemental.weekData.minDays = function() {
    var minDays =
      cldr.get("supplemental/weekData/minDays/{territory}") ||
      cldr.get("supplemental/weekData/minDays/001");
    return parseInt(minDays, 10);
  };

  // Time Data
  // http://www.unicode.org/reports/tr35/tr35-dates.html#Time_Data
  supplemental.timeData = prepend("supplemental/timeData");

  supplemental.timeData.allowed = function() {
    return (
      cldr.get("supplemental/timeData/{territory}/_allowed") ||
      cldr.get("supplemental/timeData/001/_allowed")
    );
  };

  supplemental.timeData.preferred = function() {
    return (
      cldr.get("supplemental/timeData/{territory}/_preferred") ||
      cldr.get("supplemental/timeData/001/_preferred")
    );
  };

  return supplemental;
}