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Passing Parameter to a Named Function with Dependency Injection


Passing Parameter to a Named Function with Dependency Injection

By : fast furious
Date : November 22 2020, 10:33 AM
will be helpful for those in need I have an angular app and I'm passing a named function into a controller. The problem is I want to inject a provider into that controller to use. The console gives me TypeError: object is not a function. , First argument is $scope not Avatar
code :
function SignInCtrl($scope, Avatar) {
    var vm = this;

    // Error occurs here in reference to creating an instance of Avatar
    vm.avatar = new Avatar();
}


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Passing parameter to __construct with dependency injection

Passing parameter to __construct with dependency injection


By : Matthew Duffy
Date : March 29 2020, 07:55 AM
To fix the issue you can do This has nothing to do with dependency injection. Here you wouldn't be injecting dependencies, but just values.
So the real question is: should you get those values in a constructor, or through getters/setters?
PHP static function as parameter with dependency injection

PHP static function as parameter with dependency injection


By : Lui-g Rocha
Date : March 29 2020, 07:55 AM
Any of those help I'd like to call a static function of class A, in class B by passing it via Start.php as a parameter, but without including the ClassA.php into ClassB.php. , I had to provide the full namespace to the function call, so:
code :
$b->bar($test, ['my\\namespace\\A', 'foo']);
Dependency Injection: Is there any such thing as lazy parameter passing?

Dependency Injection: Is there any such thing as lazy parameter passing?


By : Ketchupkungen
Date : March 29 2020, 07:55 AM
Does that help
One of the dependencies have a ctor parameter that can only be injected with a value provided to all Actions of my controller.
Swift dependency injection by passing class as a function parameter to call a class method

Swift dependency injection by passing class as a function parameter to call a class method


By : Sergio yomismo
Date : March 29 2020, 07:55 AM
Any of those help I may be approaching this the wrong way, but I would like to introduce dependency injection for unit testing purposes, and in order to do so I would need to pass a class as a parameter. In somewhat of a pseudo code it should look like this:
code :
protocol LocalSavingProtocol {
    static func saveDataLocally()
}

class ProductionClass: LocalSavingProtocol {
    class func saveDataLocally() {
        print("actually save data")
    }
}

class TestClass: LocalSavingProtocol {
    class func saveDataLocally() {
        print("test saving data")
    }
}

func saveEverywhere(injecting localSavingClass: LocalSavingProtocol.Type = ProductionClass.self) {
    localSavingClass.saveDataLocally()
}

//production code
saveEverywhere()

//test
saveEverywhere(injecting: TestClass.self)
Can passing objects as a method parameter be called "dependency injection"?

Can passing objects as a method parameter be called "dependency injection"?


By : user2966936
Date : March 29 2020, 07:55 AM
Hope that helps In its most naive sense of "passing a dependency to a unit of work" then yes, it's dependency injection.
In its broader sense of "passing the dependencies necessary for a unit of work to accomplish its responsability", not really.
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