@angular/core

TypeProvider

interface

stable

Configures the Injector to return an instance of Type when Type is used as the token.

API

    
      interface TypeProvider extends Type<any> {}

apply

any

Calls the function, substituting the specified object for the this value of the function, and the specified array for the arguments of the function.

@paramthisFunction

@paramthisArgany

The object to be used as the this object.

@paramargArrayany

A set of arguments to be passed to the function.

@returnsany

call

any

Calls a method of an object, substituting another object for the current object.

@paramthisFunction

@paramthisArgany

The object to be used as the current object.

@paramargArrayany[]

A list of arguments to be passed to the method.

@returnsany

For a given function, creates a bound function that has the same body as the original function. The this object of the bound function is associated with the specified object, and has the specified initial parameters.

@paramthisFunction

@paramthisArgany

An object to which the this keyword can refer inside the new function.

@paramargArrayany[]

A list of arguments to be passed to the new function.

@returnsany

toString

string

Returns a string representation of a function.

@returnsstring

length

number

arguments

any

caller

Function

name

string

Returns the name of the function. Function names are read-only and can not be changed.

[Symbol.hasInstance]

boolean

Determines 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.

@paramvalueany

@returnsboolean

Description

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".

Usage Notes

@Injectable()
        class Greeting {
          salutation = 'Hello';
        }

        const injector = Injector.create({providers: [{provide: Greeting, useClass: Greeting}]});

        expect(injector.get(Greeting).salutation).toBe('Hello');