Method confirm

core/src/components/datetime/datetime.tsx:550–577

(closeOverlay = false)

   */
  @Method()
  async confirm(closeOverlay = false) {
    const { isCalendarPicker, activeParts, preferWheel, workingParts } = this;

    /**
     * We only update the value if the presentation is not a calendar picker.
     */
    if (activeParts !== undefined || !isCalendarPicker) {
      const activePartsIsArray = Array.isArray(activeParts);
      if (activePartsIsArray && activeParts.length === 0) {
        if (preferWheel) {
          /**
           * If the datetime is using a wheel picker, but the
           * active parts are empty, then the user has confirmed the
           * initial value (working parts) presented to them.
           */
          this.setValue(convertDataToISO(workingParts));
        } else {
          this.setValue(undefined);
        }
      } else {
        this.setValue(convertDataToISO(activeParts));
      }
    }

    if (closeOverlay) {
      this.closeParentOverlay(CONFIRM_ROLE);
    }
  }

  /**
   * Resets the internal state of the datetime but does not update the value.