AngularJS | Directive | Capitalize first word or make first char uppercase

capitallize.js

app.directive('capitalize', function($parse) {
    return {
        restrict: 'A',
        require: 'ngModel',
        link: function(scope, element, attr, ngModel) {

            //Process input + return processed value
            var capitalize = function(inputValue) {
                if (inputValue) {
                    //Capitalize first word
                    var capitalized = inputValue.charAt(0).toUpperCase() + inputValue.substring(1);
                    
                    //Capitalize all words (after space)
                    //var capitalized = inputValue.replace(/^(.)|\s(.)/g, function(v) { return v.toUpperCase(); });
                    
                    if (capitalized !== inputValue) {
                        ngModel.$setViewValue(capitalized);
                        ngModel.$render();
                    }
                    return capitalized;
                }
            };

            //Push process function to model
            //Apply it right now
            var model = $parse(attr.ngModel);
            ngModel.$parsers.push(capitalize);
            capitalize(model(scope));
        }
    };
});