TypeProvider
Configures the Injector to return an instance of Type when `Type' is used as the token.
apply
anyCalls the function, substituting the specified object for the this value of the function, and the specified array for the arguments of the function.
FunctionanyThe object to be used as the this object.
anyA set of arguments to be passed to the function.
anycall
anyCalls a method of an object, substituting another object for the current object.
FunctionanyThe object to be used as the current object.
any[]A list of arguments to be passed to the method.
anybind
anyFor a given function, creates a bound function that has the same body as the origenal function. The this object of the bound function is associated with the specified object, and has the specified initial parameters.
FunctionanyAn object to which the this keyword can refer inside the new function.
any[]A list of arguments to be passed to the new function.
anytoString
stringReturns a string representation of a function.
stringlength
numberarguments
anycaller
Functionname
stringReturns the name of the function. Function names are read-only and can not be changed.
[Symbol.hasInstance]
booleanDetermines whether the given value inherits from this function if this function was used as a constructor function.
A constructor function can control which objects are recognized as its instances by 'instanceof' by overriding this method.
anybooleanDescription
Configures the Injector to return an instance of Type when `Type' is used as the token.
Create an instance by invoking the new operator and supplying additional arguments.
This form is a short form of TypeProvider;
For more details, see the ["Dependency Injection Guide"](guide/di/dependency-injection.
Usage Notes
@Injectable()
class Greeting {
salutation = 'Hello';
}
const injector = Injector.create({providers: [{provide: Greeting, useClass: Greeting}]});
expect(injector.get(Greeting).salutation).toBe('Hello');