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@angular/corecode
TypeProvider
interface
stable
Configures the Injector to return an instance of Type when Type is used as the token.
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API
interface TypeProvider extends Type<any> { override apply(this: Function, thisArg: any, argArray?: any): any; override call(this: Function, thisArg: any, ...argArray: any[]): any; override bind(this: Function, thisArg: any, ...argArray: any[]): any; override toString(): string; readonly override length: number; override arguments: any; override caller: Function; readonly override name: string; override [Symbol.hasInstance](value: any): boolean;}
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.
@paramthis
Function@paramthisArg
anyThe object to be used as the this object.
@paramargArray
anyA set of arguments to be passed to the function.
@returns
anycall
anyCalls a method of an object, substituting another object for the current object.
@paramthis
Function@paramthisArg
anyThe object to be used as the current object.
@paramargArray
any[]A list of arguments to be passed to the method.
@returns
anybind
anyFor 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.
@paramthis
Function@paramthisArg
anyAn object to which the this keyword can refer inside the new function.
@paramargArray
any[]A list of arguments to be passed to the new function.
@returns
anylength
numberarguments
anycaller
Function[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.
@paramvalue
any@returns
booleanDescription
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');Jump to details