function guacLenientDate()

in guacamole/src/main/frontend/src/app/form/directives/guacLenientDate.js [27:80]

• 27 lines of code
• 11 McCabe index (conditional complexity)

    function guacLenientDate($injector) {

    // Required services
    var $filter = $injector.get('$filter');

    /**
     * Directive configuration object.
     *
     * @type Object.<String, Object>
     */
    var config = {
        restrict : 'A',
        require  : 'ngModel'
    };

    // Linking function
    config.link = function linkGuacLenientDate($scope, $element, $attrs, ngModel) {

        // Parse date strings leniently
        ngModel.$parsers = [function parse(viewValue) {

            // If blank, return null
            if (!viewValue)
                return null;

            // Match basic date pattern
            var match = /([0-9]*)(?:-([0-9]*)(?:-([0-9]*))?)?/.exec(viewValue);
            if (!match)
                return null;

            // Determine year, month, and day based on pattern
            var year  = parseInt(match[1] || '0') || new Date().getFullYear();
            var month = parseInt(match[2] || '0') || 1;
            var day   = parseInt(match[3] || '0') || 1;

            // Convert to Date object
            var parsedDate = new Date(Date.UTC(year, month - 1, day));
            if (isNaN(parsedDate.getTime()))
                return null;

            return parsedDate;

        }];

        // Format date strings as "yyyy-MM-dd"
        ngModel.$formatters = [function format(modelValue) {
            return modelValue ? $filter('date')(modelValue, 'yyyy-MM-dd', 'UTC') : '';
        }];

    };

    return config;

}]);