/**
 * @license
 * Copyright Google LLC 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
 */
/// <reference types="rxjs" />
import { Subject, Subscription } from 'rxjs';
class EventEmitter_ extends Subject {
    constructor(isAsync = false) {
        super();
        this.__isAsync = isAsync;
    }
    emit(value) {
        super.next(value);
    }
    subscribe(observerOrNext, error, complete) {
        let nextFn = observerOrNext;
        let errorFn = error || (() => null);
        let completeFn = complete;
        if (observerOrNext && typeof observerOrNext === 'object') {
            const observer = observerOrNext;
            nextFn = observer.next?.bind(observer);
            errorFn = observer.error?.bind(observer);
            completeFn = observer.complete?.bind(observer);
        }
        if (this.__isAsync) {
            errorFn = _wrapInTimeout(errorFn);
            if (nextFn) {
                nextFn = _wrapInTimeout(nextFn);
            }
            if (completeFn) {
                completeFn = _wrapInTimeout(completeFn);
            }
        }
        const sink = super.subscribe({ next: nextFn, error: errorFn, complete: completeFn });
        if (observerOrNext instanceof Subscription) {
            observerOrNext.add(sink);
        }
        return sink;
    }
}
function _wrapInTimeout(fn) {
    return (value) => {
        setTimeout(fn, undefined, value);
    };
}
/**
 * @publicApi
 */
export const EventEmitter = EventEmitter_;
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"event_emitter.js","sourceRoot":"","sources":["../../../../../../packages/core/src/event_emitter.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;AAEH,8BAA8B;AAE9B,OAAO,EAAkB,OAAO,EAAE,YAAY,EAAC,MAAM,MAAM,CAAC;AA8F5D,MAAM,aAAc,SAAQ,OAAY;IAGtC,YAAY,UAAmB,KAAK;QAClC,KAAK,EAAE,CAAC;QACR,IAAI,CAAC,SAAS,GAAG,OAAO,CAAC;IAC3B,CAAC;IAED,IAAI,CAAC,KAAW;QACd,KAAK,CAAC,IAAI,CAAC,KAAK,CAAC,CAAC;IACpB,CAAC;IAEQ,SAAS,CAAC,cAAoB,EAAE,KAAW,EAAE,QAAc;QAClE,IAAI,MAAM,GAAG,cAAc,CAAC;QAC5B,IAAI,OAAO,GAAG,KAAK,IAAI,CAAC,GAAG,EAAE,CAAC,IAAI,CAAC,CAAC;QACpC,IAAI,UAAU,GAAG,QAAQ,CAAC;QAE1B,IAAI,cAAc,IAAI,OAAO,cAAc,KAAK,QAAQ,EAAE;YACxD,MAAM,QAAQ,GAAG,cAA0C,CAAC;YAC5D,MAAM,GAAG,QAAQ,CAAC,IAAI,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;YACvC,OAAO,GAAG,QAAQ,CAAC,KAAK,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;YACzC,UAAU,GAAG,QAAQ,CAAC,QAAQ,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;SAChD;QAED,IAAI,IAAI,CAAC,SAAS,EAAE;YAClB,OAAO,GAAG,cAAc,CAAC,OAAO,CAAC,CAAC;YAElC,IAAI,MAAM,EAAE;gBACV,MAAM,GAAG,cAAc,CAAC,MAAM,CAAC,CAAC;aACjC;YAED,IAAI,UAAU,EAAE;gBACd,UAAU,GAAG,cAAc,CAAC,UAAU,CAAC,CAAC;aACzC;SACF;QAED,MAAM,IAAI,GAAG,KAAK,CAAC,SAAS,CAAC,EAAC,IAAI,EAAE,MAAM,EAAE,KAAK,EAAE,OAAO,EAAE,QAAQ,EAAE,UAAU,EAAC,CAAC,CAAC;QAEnF,IAAI,cAAc,YAAY,YAAY,EAAE;YAC1C,cAAc,CAAC,GAAG,CAAC,IAAI,CAAC,CAAC;SAC1B;QAED,OAAO,IAAI,CAAC;IACd,CAAC;CACF;AAED,SAAS,cAAc,CAAC,EAA2B;IACjD,OAAO,CAAC,KAAc,EAAE,EAAE;QACxB,UAAU,CAAC,EAAE,EAAE,SAAS,EAAE,KAAK,CAAC,CAAC;IACnC,CAAC,CAAC;AACJ,CAAC;AAED;;GAEG;AACH,MAAM,CAAC,MAAM,YAAY,GAGrB,aAAoB,CAAC","sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\n/// <reference types=\"rxjs\" />\n\nimport {PartialObserver, Subject, Subscription} from 'rxjs';\n\n/**\n * Use in components with the `@Output` directive to emit custom events\n * synchronously or asynchronously, and register handlers for those events\n * by subscribing to an instance.\n *\n * @usageNotes\n *\n * Extends\n * [RxJS `Subject`](https://rxjs.dev/api/index/class/Subject)\n * for Angular by adding the `emit()` method.\n *\n * In the following example, a component defines two output properties\n * that create event emitters. When the title is clicked, the emitter\n * emits an open or close event to toggle the current visibility state.\n *\n * ```html\n * @Component({\n *   selector: 'zippy',\n *   template: `\n *   <div class=\"zippy\">\n *     <div (click)=\"toggle()\">Toggle</div>\n *     <div [hidden]=\"!visible\">\n *       <ng-content></ng-content>\n *     </div>\n *  </div>`})\n * export class Zippy {\n *   visible: boolean = true;\n *   @Output() open: EventEmitter<any> = new EventEmitter();\n *   @Output() close: EventEmitter<any> = new EventEmitter();\n *\n *   toggle() {\n *     this.visible = !this.visible;\n *     if (this.visible) {\n *       this.open.emit(null);\n *     } else {\n *       this.close.emit(null);\n *     }\n *   }\n * }\n * ```\n *\n * Access the event object with the `$event` argument passed to the output event\n * handler:\n *\n * ```html\n * <zippy (open)=\"onOpen($event)\" (close)=\"onClose($event)\"></zippy>\n * ```\n *\n * @see [Observables in Angular](guide/observables-in-angular)\n * @publicApi\n */\nexport interface EventEmitter<T> extends Subject<T> {\n  /**\n   * @internal\n   */\n  __isAsync: boolean;\n\n  /**\n   * Creates an instance of this class that can\n   * deliver events synchronously or asynchronously.\n   *\n   * @param [isAsync=false] When true, deliver events asynchronously.\n   *\n   */\n  new(isAsync?: boolean): EventEmitter<T>;\n\n  /**\n   * Emits an event containing a given value.\n   * @param value The value to emit.\n   */\n  emit(value?: T): void;\n\n  /**\n   * Registers handlers for events emitted by this instance.\n   * @param next When supplied, a custom handler for emitted events.\n   * @param error When supplied, a custom handler for an error notification from this emitter.\n   * @param complete When supplied, a custom handler for a completion notification from this\n   *     emitter.\n   */\n  subscribe(next?: (value: T) => void, error?: (error: any) => void, complete?: () => void):\n      Subscription;\n  /**\n   * Registers handlers for events emitted by this instance.\n   * @param observerOrNext When supplied, a custom handler for emitted events, or an observer\n   *     object.\n   * @param error When supplied, a custom handler for an error notification from this emitter.\n   * @param complete When supplied, a custom handler for a completion notification from this\n   *     emitter.\n   */\n  subscribe(observerOrNext?: any, error?: any, complete?: any): Subscription;\n}\n\nclass EventEmitter_ extends Subject<any> {\n  __isAsync: boolean;  // tslint:disable-line\n\n  constructor(isAsync: boolean = false) {\n    super();\n    this.__isAsync = isAsync;\n  }\n\n  emit(value?: any) {\n    super.next(value);\n  }\n\n  override subscribe(observerOrNext?: any, error?: any, complete?: any): Subscription {\n    let nextFn = observerOrNext;\n    let errorFn = error || (() => null);\n    let completeFn = complete;\n\n    if (observerOrNext && typeof observerOrNext === 'object') {\n      const observer = observerOrNext as PartialObserver<unknown>;\n      nextFn = observer.next?.bind(observer);\n      errorFn = observer.error?.bind(observer);\n      completeFn = observer.complete?.bind(observer);\n    }\n\n    if (this.__isAsync) {\n      errorFn = _wrapInTimeout(errorFn);\n\n      if (nextFn) {\n        nextFn = _wrapInTimeout(nextFn);\n      }\n\n      if (completeFn) {\n        completeFn = _wrapInTimeout(completeFn);\n      }\n    }\n\n    const sink = super.subscribe({next: nextFn, error: errorFn, complete: completeFn});\n\n    if (observerOrNext instanceof Subscription) {\n      observerOrNext.add(sink);\n    }\n\n    return sink;\n  }\n}\n\nfunction _wrapInTimeout(fn: (value: unknown) => any) {\n  return (value: unknown) => {\n    setTimeout(fn, undefined, value);\n  };\n}\n\n/**\n * @publicApi\n */\nexport const EventEmitter: {\n  new (isAsync?: boolean): EventEmitter<any>; new<T>(isAsync?: boolean): EventEmitter<T>;\n  readonly prototype: EventEmitter<any>;\n} = EventEmitter_ as any;\n"]}