Tips for effectively handling 404 errors when loading directive templates in AngularJS

Question

Tips for effectively handling 404 errors when loading directive templates in AngularJS

When working with an AngularJS directive, the templateUrl parameter is dynamically specified.

'templates/' + content_id + '.html'

I am looking for a way to handle situations where the value of content_id may not be valid or result in a 404 error when trying to load the corresponding template. In such cases, I want to load templates/404.html instead.

Can someone guide me on how to achieve this?

Edit: Some answers have mentioned using a response error interceptor. How can I differentiate responses related to loading these specific templates?

javascript angularjs

Answer 1

Answer №1

If you encounter a response error, it's important to implement an error interceptor like the following:

app.factory('template404Interceptor', function($injector) {
    return {
        responseError: function(response) {
            if (response.status === 404 && /\.html$/.test(response.config.url)) {
                response.config.url = '404.html';
                return $injector.get('$http')(response.config);
            }
            return $q.reject(response);
        }
    };
});

app.config(function($httpProvider) {
    $httpProvider.interceptors.push('template404Interceptor');
});

See a live demo here: http://plnkr.co/edit/uCpnT5n0PkWO53PVQmvR?p=preview

Answer 2

If you encounter a response error, it's important to implement an error interceptor like the following:

app.factory('template404Interceptor', function($injector) {
    return {
        responseError: function(response) {
            if (response.status === 404 && /\.html$/.test(response.config.url)) {
                response.config.url = '404.html';
                return $injector.get('$http')(response.config);
            }
            return $q.reject(response);
        }
    };
});

app.config(function($httpProvider) {
    $httpProvider.interceptors.push('template404Interceptor');
});

See a live demo here: http://plnkr.co/edit/uCpnT5n0PkWO53PVQmvR?p=preview

Answer 3

Answer №2

To effectively monitor all requests initiated using the $http service and handle any response errors, it is recommended to create an interceptor. In the event of receiving a status code 404 for a request, you can easily redirect the user to an error page (template/404.html in this scenario).

.factory('httpRequestInterceptor', function ($q) {
    return {
        'responseError': function(rejection) {
            if(rejection.status === 404){
                // perform actions on error                   
             }

            }
            return $q.reject(rejection);
         }
     };
});

Incorporating this interceptor into the $httpProvider within your config function is essential.

myApp.config( function ($httpProvider, $interpolateProvider, $routeProvider) {
    $httpProvider.interceptors.push('httpRequestInterceptor');
});

For a demonstration, check out the demo

Cheers!

Answer 4

To effectively monitor all requests initiated using the $http service and handle any response errors, it is recommended to create an interceptor. In the event of receiving a status code 404 for a request, you can easily redirect the user to an error page (template/404.html in this scenario).

.factory('httpRequestInterceptor', function ($q) {
    return {
        'responseError': function(rejection) {
            if(rejection.status === 404){
                // perform actions on error                   
             }

            }
            return $q.reject(rejection);
         }
     };
});

Incorporating this interceptor into the $httpProvider within your config function is essential.

myApp.config( function ($httpProvider, $interpolateProvider, $routeProvider) {
    $httpProvider.interceptors.push('httpRequestInterceptor');
});

For a demonstration, check out the demo

Cheers!

Tips for effectively handling 404 errors when loading directive templates in AngularJS

Answer №1

Answer №2

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