Utilizing factory service within a decorator in AngularJS

Question

Utilizing factory service within a decorator in AngularJS

Utilizing the TextAngular plugin and attempting to customize a toolbar, I am striving to inject my own service (LinkService) into the module but encountering an

[$injector:unpr] Unknown provider

issue.

module.config(function($provide, LinkService){
    $provide.decorator('taOptions', ['taRegisterTool', '$delegate', function(taRegisterTool, taOptions){
        // $delegate is the taOptions we are decorating
        // register the tool with textAngular
        taRegisterTool('colourRed', {
            iconclass: "fa fa-square red",
            action: function(){
                this.$editor().wrapSelection('forecolor', 'red');
                LinkService.createLink(/*...*/)
            }
        });


        // add the button to the default toolbar definition
        taOptions.toolbar[1].push('colourRed');
        return taOptions;
    }]);
});

Can you guide me on how to inject my service into this configuration?

javascript angularjs angularjs-service

Answer 1

Answer №1

It is not possible to inject services into the configuration block.

The configuration blocks are executed during the provider registrations and configuration phase. Only providers and constants can be injected into configuration blocks to prevent premature instantiation of services before proper configuration.

On the other hand, run blocks are executed after the injector is created and are meant to initialize the application. Only instances and constants can be injected into run blocks to avoid further system configuration at runtime.

However, a similar logic can be implemented using a custom provider. While the usage of LinkService remains uncertain, it can be stubbed out as shown below...

module.provider('LinkProvider', function () {
    var link;
    return {
        createLink: function (value) {
            link = value;
        },
        $get: function () {
            return {
                link: 'http://' + link
            }
        }
    }
});

module.config(function (LinkProvider) {
    LinkProvider.createLink('stackoverflow.com');
});

For more information on providers in AngularJS, check out this blog post: Differences Between Providers In AngularJS

Answer 2

It is not possible to inject services into the configuration block.

The configuration blocks are executed during the provider registrations and configuration phase. Only providers and constants can be injected into configuration blocks to prevent premature instantiation of services before proper configuration.

On the other hand, run blocks are executed after the injector is created and are meant to initialize the application. Only instances and constants can be injected into run blocks to avoid further system configuration at runtime.

However, a similar logic can be implemented using a custom provider. While the usage of LinkService remains uncertain, it can be stubbed out as shown below...

module.provider('LinkProvider', function () {
    var link;
    return {
        createLink: function (value) {
            link = value;
        },
        $get: function () {
            return {
                link: 'http://' + link
            }
        }
    }
});

module.config(function (LinkProvider) {
    LinkProvider.createLink('stackoverflow.com');
});

For more information on providers in AngularJS, check out this blog post: Differences Between Providers In AngularJS

Utilizing factory service within a decorator in AngularJS

Answer №1

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