61 lines
2.4 KiB
TypeScript
61 lines
2.4 KiB
TypeScript
declare module "events" {
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interface EventEmitterOptions {
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/**
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* Enables automatic capturing of promise rejection.
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*/
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captureRejections?: boolean;
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}
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interface NodeEventTarget {
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once(event: string | symbol, listener: (...args: any[]) => void): this;
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}
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interface DOMEventTarget {
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addEventListener(event: string, listener: (...args: any[]) => void, opts?: { once: boolean }): any;
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}
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namespace EventEmitter {
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function once(emitter: NodeEventTarget, event: string | symbol): Promise<any[]>;
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function once(emitter: DOMEventTarget, event: string): Promise<any[]>;
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function on(emitter: EventEmitter, event: string): AsyncIterableIterator<any>;
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const captureRejectionSymbol: unique symbol;
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/**
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* This symbol shall be used to install a listener for only monitoring `'error'`
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* events. Listeners installed using this symbol are called before the regular
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* `'error'` listeners are called.
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*
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* Installing a listener using this symbol does not change the behavior once an
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* `'error'` event is emitted, therefore the process will still crash if no
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* regular `'error'` listener is installed.
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*/
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const errorMonitor: unique symbol;
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/**
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* Sets or gets the default captureRejection value for all emitters.
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*/
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let captureRejections: boolean;
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interface EventEmitter extends NodeJS.EventEmitter {
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}
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class EventEmitter {
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constructor(options?: EventEmitterOptions);
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/** @deprecated since v4.0.0 */
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static listenerCount(emitter: EventEmitter, event: string | symbol): number;
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static defaultMaxListeners: number;
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/**
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* This symbol shall be used to install a listener for only monitoring `'error'`
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* events. Listeners installed using this symbol are called before the regular
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* `'error'` listeners are called.
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*
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* Installing a listener using this symbol does not change the behavior once an
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* `'error'` event is emitted, therefore the process will still crash if no
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* regular `'error'` listener is installed.
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*/
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static readonly errorMonitor: unique symbol;
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}
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}
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export = EventEmitter;
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}
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