Function createDateInputType

static/js/angular.js:26677–26796

(type, regexp, parseDate, format)

}

function createDateInputType(type, regexp, parseDate, format) {
  return function dynamicDateInputType(scope, element, attr, ctrl, $sniffer, $browser, $filter, $parse) {
    badInputChecker(scope, element, attr, ctrl, type);
    baseInputType(scope, element, attr, ctrl, $sniffer, $browser);

    var isTimeType = type === 'time' || type === 'datetimelocal';
    var previousDate;
    var previousTimezone;

    ctrl.$parsers.push(function(value) {
      if (ctrl.$isEmpty(value)) return null;

      if (regexp.test(value)) {
        // Note: We cannot read ctrl.$modelValue, as there might be a different
        // parser/formatter in the processing chain so that the model
        // contains some different data format!
        return parseDateAndConvertTimeZoneToLocal(value, previousDate);
      }
      ctrl.$$parserName = type;
      return undefined;
    });

    ctrl.$formatters.push(function(value) {
      if (value && !isDate(value)) {
        throw ngModelMinErr('datefmt', 'Expected `{0}` to be a date', value);
      }
      if (isValidDate(value)) {
        previousDate = value;
        var timezone = ctrl.$options.getOption('timezone');

        if (timezone) {
          previousTimezone = timezone;
          previousDate = convertTimezoneToLocal(previousDate, timezone, true);
        }

        return formatter(value, timezone);
      } else {
        previousDate = null;
        previousTimezone = null;
        return '';
      }
    });

    if (isDefined(attr.min) || attr.ngMin) {
      var minVal = attr.min || $parse(attr.ngMin)(scope);
      var parsedMinVal = parseObservedDateValue(minVal);

      ctrl.$validators.min = function(value) {
        return !isValidDate(value) || isUndefined(parsedMinVal) || parseDate(value) >= parsedMinVal;
      };
      attr.$observe('min', function(val) {
        if (val !== minVal) {
          parsedMinVal = parseObservedDateValue(val);
          minVal = val;
          ctrl.$validate();
        }
      });
    }