Function generateOptions

src/material/timepicker/util.ts:85–107

(
  adapter: DateAdapter<D>,
  formats: MatDateFormats,
  min: D,
  max: D,
  interval: number,
)

 * @param interval Amount of seconds between each option.
 */
export function generateOptions<D>(
  adapter: DateAdapter<D>,
  formats: MatDateFormats,
  min: D,
  max: D,
  interval: number,
): MatTimepickerOption<D>[] {
  // Avoid generating intervals less than a second, because it can freeze up the browser.
  interval = Math.max(interval, 1);
  const options: MatTimepickerOption<D>[] = [];
  let current = adapter.compareTime(min, max) < 1 ? min : max;

  while (
    adapter.sameDate(current, min) &&
    adapter.compareTime(current, max) < 1 &&
    adapter.isValid(current)
  ) {
    options.push({value: current, label: adapter.format(current, formats.display.timeOptionLabel)});
    current = adapter.addSeconds(current, interval);
  }

  return options;
}

/** Checks whether a date adapter is set up correctly for use with the timepicker. */
export function validateAdapter(