angular-docs-cn/goldens/public-api/elements/elements.md

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## API Report File for "@angular/elements"
> Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
```ts
import { Injector } from '@angular/core';
import { Observable } from 'rxjs';
import { Subscription } from 'rxjs';
import { Type } from '@angular/core';
import { Version } from '@angular/core';
// @public
export function createCustomElement<P>(component: Type<any>, config: NgElementConfig): NgElementConstructor<P>;
// @public
export abstract class NgElement extends HTMLElement {
abstract attributeChangedCallback(attrName: string, oldValue: string | null, newValue: string, namespace?: string): void;
abstract connectedCallback(): void;
abstract disconnectedCallback(): void;
protected ngElementEventsSubscription: Subscription | null;
protected abstract ngElementStrategy: NgElementStrategy;
}
// @public
export interface NgElementConfig {
injector: Injector;
strategyFactory?: NgElementStrategyFactory;
}
// @public
export interface NgElementConstructor<P> {
new (injector?: Injector): NgElement & WithProperties<P>;
readonly observedAttributes: string[];
}
// @public
export interface NgElementStrategy {
// (undocumented)
connect(element: HTMLElement): void;
// (undocumented)
disconnect(): void;
// (undocumented)
events: Observable<NgElementStrategyEvent>;
// (undocumented)
getInputValue(propName: string): any;
// (undocumented)
setInputValue(propName: string, value: string): void;
}
// @public
export interface NgElementStrategyEvent {
// (undocumented)
name: string;
// (undocumented)
value: any;
}
// @public
export interface NgElementStrategyFactory {
create(injector: Injector): NgElementStrategy;
}
// @public (undocumented)
export const VERSION: Version;
// @public
export type WithProperties<P> = {
[property in keyof P]: P[property];
};
// (No @packageDocumentation comment for this package)
```