Method constructor

pkgs/tz/src/date/mini.js:31–73

(...args)

  //#region static

  constructor(...args) {
    super();

    // Time zone string is always the last string argument unless date string
    // is passed (as a single argument).
    if (args.length > 1 && typeof args[args.length - 1] === "string") {
      this.timeZone = args.pop();
    }

    this.internal = new Date();

    // Validate the time zone by checking its offset.
    if (isNaN(tzOffset(this.timeZone, this))) {
      this.setTime(NaN);
    } else {
      if (!args.length) {
        // No arguments passed: use current time
        this.setTime(Date.now());
      } else if (
        typeof args[0] === "number" &&
        (args.length === 1 ||
          (args.length === 2 && typeof args[1] !== "number"))
      ) {
        // Timestamp passed: use it as is
        this.setTime(args[0]);
      } else if (typeof args[0] === "string") {
        // `Date` string passed: parse it as external date
        this.setTime(+new Date(args[0]));
      } else if (args[0] instanceof Date) {
        // `Date` passed: use its timestamp
        this.setTime(+args[0]);
      } else {
        // `Date` values passed:

        // Set it as external date.
        this.setTime(+new Date(...args));

        // Adjust internal and external dates considering that we might have
        // landed on the DST hour.
        adjustToSystemTZ(this, args);
      }
    }
  }

  static tz(tz, ...args) {
    return args.length