angular-cn/packages/elements/src/element-strategy.ts

45 lines
1.1 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {ComponentFactory, Injector} from '@angular/core';
import {Observable} from 'rxjs';
/**
* Interface for the events emitted through the NgElementStrategy.
*
* @experimental
*/
export interface NgElementStrategyEvent {
name: string;
value: any;
}
/**
* Underlying strategy used by the NgElement to create/destroy the component and react to input
* changes.
*
* @experimental
*/
export interface NgElementStrategy {
events: Observable<NgElementStrategyEvent>;
connect(element: HTMLElement): void;
disconnect(): void;
getInputValue(propName: string): any;
setInputValue(propName: string, value: string): void;
}
/**
* Factory used to create new strategies for each NgElement instance.
*
* @experimental
*/
export interface NgElementStrategyFactory {
/** Creates a new instance to be used for an NgElement. */
create(injector: Injector): NgElementStrategy;
}