The functionality of Angular-ui-router becomes compromised when run through gulp for minification

Question

The functionality of Angular-ui-router becomes compromised when run through gulp for minification

I have a simple angular.js application that adheres to the best practices mentioned here.

angular
  .module('myApp', ['ui.router']);

(function() {
    function configureRoutes($stateProvider, $urlRouterProvider) {
        $urlRouterProvider.otherwise("/404");

        $stateProvider
            .state('createCluster', {
                url: '/create-cluster',
                templateUrl: 'templates/create-cluster.html'
            })
    }

    angular
        .module('myApp')
        .config(configureRoutes);
})();

I am using gulp to concatenate all JavaScript files, including angular-ui-router.js, and then minify everything using uglify. However, I encounter an issue when uglifying:

Uncaught Error: [$injector:modulerr] Failed to instantiate module myApp due to:
Error: [$injector:unpr] Unknown provider: e

Removing the uglification resolves the issue. How can I prevent uglification from breaking ui-router?

Below is my current gulp task:

gulp.task('uglify-js', function () {
  gulp.src(['client/js/libraries/**/*.js', 'client/js/source/**/*.js'])
    .pipe(concat('app'))
    .pipe(ngAnnotate())
    .pipe(uglify())
    .pipe(rename({ extname: ".min.js" }))
    .pipe(gulp.dest('client/js'))'
});

javascript angularjs angular-ui-router gulp

Answer 1

Answer №1

If you want to make sure your code keeps working without having to change everything, a quick fix is to simply set the mangle option of uglify to false. Here's how you can do it:

gulp.task('uglify-js', function() {
  gulp.src(['client/js/libraries/**/*.js', 'client/js/source/**/*.js'])
    .pipe(concat('app'))
    .pipe(ngAnnotate())
    .pipe(uglify({ mangle: false }))
    .pipe(rename({ extname: '.min.js' }))
    .pipe(gulp.dest('client/js'));
});

By keeping the names unchanged, you can avoid any injection issues.

Answer 2

If you want to make sure your code keeps working without having to change everything, a quick fix is to simply set the mangle option of uglify to false. Here's how you can do it:

gulp.task('uglify-js', function() {
  gulp.src(['client/js/libraries/**/*.js', 'client/js/source/**/*.js'])
    .pipe(concat('app'))
    .pipe(ngAnnotate())
    .pipe(uglify({ mangle: false }))
    .pipe(rename({ extname: '.min.js' }))
    .pipe(gulp.dest('client/js'));
});

By keeping the names unchanged, you can avoid any injection issues.

Answer 3

Answer №2

If you want to ensure your Angular code is minified safely, consider using ngannotate. This tool preprocesses your code by adding dependency annotations, protecting it from breaking during uglify/minification processes.

The angular documentation emphasizes the importance of this step:

Angular relies on recognizing dependencies based on argument names in a controller's constructor function. Minifying the code could lead to issues with identifying these dependencies, but annotating them with string names can prevent this problem.

Ngannotate automates this annotation process, making your code more maintainable and preventing potential errors.

Ngmin has been deprecated in favor of ngannotate, which is not only recommended by github but also offers faster performance.

Answer 4

If you want to ensure your Angular code is minified safely, consider using ngannotate. This tool preprocesses your code by adding dependency annotations, protecting it from breaking during uglify/minification processes.

The angular documentation emphasizes the importance of this step:

Angular relies on recognizing dependencies based on argument names in a controller's constructor function. Minifying the code could lead to issues with identifying these dependencies, but annotating them with string names can prevent this problem.

Ngannotate automates this annotation process, making your code more maintainable and preventing potential errors.

Ngmin has been deprecated in favor of ngannotate, which is not only recommended by github but also offers faster performance.

Answer 5

Answer №3

Here's a helpful tip to prevent minification from causing issues with injection:

var routeList = function ($stateProvider, $urlRouterProvider) {
    $urlRouterProvider.otherwise("/404");

    $stateProvider
        .state('addUser', {
            url: '/add-user',
            templateUrl: 'templates/add-user.html'
        })
};

routeList.$inject = ['$stateProvider','$urlRouterProvider'];

angular
    .module('myApp')
    .config(routeList);

Answer 6

Here's a helpful tip to prevent minification from causing issues with injection:

var routeList = function ($stateProvider, $urlRouterProvider) {
    $urlRouterProvider.otherwise("/404");

    $stateProvider
        .state('addUser', {
            url: '/add-user',
            templateUrl: 'templates/add-user.html'
        })
};

routeList.$inject = ['$stateProvider','$urlRouterProvider'];

angular
    .module('myApp')
    .config(routeList);

Answer 7

Answer №4

Observing the generated code can reveal a common issue when minifying AngularJS. Dependency injection relies on parameter names, which can cause problems during minification.

For example, the following line:

function routes($stateProvider, $urlRouterProvider) {

may be transformed into:

function routes(a, b) {

This change can confuse Angular and lead to an Unknown provider error due to mismatched dependencies.

To address this issue, consider using the array syntax (specifically Inline Array Annotation).

['$dependencyA', '$dependencyB', function($dependencyA, $dependencyB)

When minified, this will appear as:

['$dependencyA', '$dependencyB', function(a, b)

This approach helps Angular correctly assign dependencies even after minification.

In your scenario, implement something like:

.config(['$stateProvider', '$urlRouterProvider', routes]);

Answer 8

Observing the generated code can reveal a common issue when minifying AngularJS. Dependency injection relies on parameter names, which can cause problems during minification.

For example, the following line:

function routes($stateProvider, $urlRouterProvider) {

may be transformed into:

function routes(a, b) {

This change can confuse Angular and lead to an Unknown provider error due to mismatched dependencies.

To address this issue, consider using the array syntax (specifically Inline Array Annotation).

['$dependencyA', '$dependencyB', function($dependencyA, $dependencyB)

When minified, this will appear as:

['$dependencyA', '$dependencyB', function(a, b)

This approach helps Angular correctly assign dependencies even after minification.

In your scenario, implement something like:

.config(['$stateProvider', '$urlRouterProvider', routes]);

Answer 9

Answer №5

Just discovered the solution on my own.

Instead of manually specifying dependencies using $inject, it is even better to leverage the built-in @ngInject helper within gulp for ngAnnotate.

angular
    .module('myApp', [
        'ui.router'
    ]);

(function() {
    /**
     * @ngInject
     */
    function setupRoutes($stateProvider, $urlRouterProvider) {
        $urlRouterProvider.otherwise("/404");

        $stateProvider
            .state('createCluster', {
                url: '/create-cluster',
                templateUrl: 'templates/create-cluster.html'
            })
    }

    angular
        .module('myApp')
        .config(setupRoutes);
})();

Answer 10

Just discovered the solution on my own.

Instead of manually specifying dependencies using $inject, it is even better to leverage the built-in @ngInject helper within gulp for ngAnnotate.

angular
    .module('myApp', [
        'ui.router'
    ]);

(function() {
    /**
     * @ngInject
     */
    function setupRoutes($stateProvider, $urlRouterProvider) {
        $urlRouterProvider.otherwise("/404");

        $stateProvider
            .state('createCluster', {
                url: '/create-cluster',
                templateUrl: 'templates/create-cluster.html'
            })
    }

    angular
        .module('myApp')
        .config(setupRoutes);
})();

Answer 11

Answer №6

Remember to include the @ngInject comment above your function. I am currently developing a feature for automatic function reference in a future release of ng-annotate. If you could show your support by joining and giving a +1 here, that would be greatly appreciated: https://github.com/olov/ng-annotate/issues/57

Answer 12

Remember to include the @ngInject comment above your function. I am currently developing a feature for automatic function reference in a future release of ng-annotate. If you could show your support by joining and giving a +1 here, that would be greatly appreciated: https://github.com/olov/ng-annotate/issues/57

The functionality of Angular-ui-router becomes compromised when run through gulp for minification

Answer №1

Answer №2

Answer №3

Answer №4

Answer №5

Answer №6

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