Function dateFilter

OpenReservation/wwwroot/Scripts/angular.js:20444–20521

($locale)

    dateFilter.$inject = ['$locale'];

    function dateFilter($locale) {
        var R_ISO8601_STR =
            /^(\d{4})-?(\d\d)-?(\d\d)(?:T(\d\d)(?::?(\d\d)(?::?(\d\d)(?:\.(\d+))?)?)?(Z|([+-])(\d\d):?(\d\d))?)?$/;

        // 1        2       3         4          5          6          7          8  9     10      11
        function jsonStringToDate(string) {
            var match;
            if (match = string.match(R_ISO8601_STR)) {
                var date = new Date(0),
                    tzHour = 0,
                    tzMin = 0,
                    dateSetter = match[8] ? date.setUTCFullYear : date.setFullYear,
                    timeSetter = match[8] ? date.setUTCHours : date.setHours;

                if (match[9]) {
                    tzHour = toInt(match[9] + match[10]);
                    tzMin = toInt(match[9] + match[11]);
                }
                dateSetter.call(date, toInt(match[1]), toInt(match[2]) - 1, toInt(match[3]));
                var h = toInt(match[4] || 0) - tzHour;
                var m = toInt(match[5] || 0) - tzMin;
                var s = toInt(match[6] || 0);
                var ms = Math.round(parseFloat('0.' + (match[7] || 0)) * 1000);
                timeSetter.call(date, h, m, s, ms);
                return date;
            }
            return string;
        }

        return function (date, format, timezone) {
            var text = '',
                parts = [],
                fn,
                match;

            format = format || 'mediumDate';
            format = $locale.DATETIME_FORMATS[format] || format;
            if (isString(date)) {
                date = NUMBER_STRING.test(date) ? toInt(date) : jsonStringToDate(date);
            }

            if (isNumber(date)) {
                date = new Date(date);
            }

            if (!isDate(date) || !isFinite(date.getTime())) {
                return date;
            }

            while (format) {
                match = DATE_FORMATS_SPLIT.exec(format);
                if (match) {
                    parts = concat(parts, match, 1);
                    format = parts.pop();
                } else {
                    parts.push(format);
                    format = null;
                }