d2l-intl/src/date-time/format-time.js

D2L internationalization APIs for number, date and time formatting and parsing.

import prePadByZero from '../util/pre-pad-by-zero.js';
import processPattern from '../util/process-pattern.js';

export default function formatTime(date, localeData, options) {

	options.format = options.format || 'short';
	options.timezone = options.timezone || '';

	var format = localeData.date.formats.timeFormats[options.format];
	if (format === undefined) {
		format = options.format;
	}

	var hour = date.getHours();
	var hour12 = hour % 12;
	if (hour12 === 0) {
		hour12 = 12;
	}

	var calendar = localeData.date.calendar;

	var replacements = {
		'HH': prePadByZero(date.getHours(), 2),
		'H': date.getHours().toString(),
		'hh': prePadByZero(hour12, 2),
		'h': hour12,
		'mm': prePadByZero(date.getMinutes(), 2),
		'tt': (hour > 11) ? calendar.dayPeriods.pm : calendar.dayPeriods.am,
		'ZZZ': options.timezone
	};

	var value = processPattern(format, replacements);
	return value;

}