1 | declare module 'events' {
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2 | interface EventEmitterOptions {
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3 | |
4 |
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5 |
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6 | captureRejections?: boolean | undefined;
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7 | }
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8 |
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9 | interface NodeEventTarget {
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10 | once(event: string | symbol, listener: (...args: any[]) => void): this;
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11 | }
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12 |
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13 | interface DOMEventTarget {
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14 | addEventListener(event: string, listener: (...args: any[]) => void, opts?: { once: boolean }): any;
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15 | }
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16 |
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17 | interface EventEmitter extends NodeJS.EventEmitter {}
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18 | class EventEmitter {
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19 | constructor(options?: EventEmitterOptions);
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20 |
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21 | static once(emitter: NodeEventTarget, event: string | symbol): Promise<any[]>;
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22 | static once(emitter: DOMEventTarget, event: string): Promise<any[]>;
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23 | static on(emitter: NodeJS.EventEmitter, event: string): AsyncIterableIterator<any>;
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24 |
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25 | /** @deprecated since v4.0.0 */
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26 | static listenerCount(emitter: NodeJS.EventEmitter, event: string | symbol): number;
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27 |
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28 | /**
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29 | * This symbol shall be used to install a listener for only monitoring `'error'`
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30 | * events. Listeners installed using this symbol are called before the regular
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31 | * `'error'` listeners are called.
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32 | *
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33 | * Installing a listener using this symbol does not change the behavior once an
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34 | * `'error'` event is emitted, therefore the process will still crash if no
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35 | * regular `'error'` listener is installed.
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36 | */
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37 | static readonly errorMonitor: unique symbol;
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38 | static readonly captureRejectionSymbol: unique symbol;
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39 |
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40 | /**
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41 | * Sets or gets the default captureRejection value for all emitters.
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42 | */
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43 | // TODO: These should be described using static getter/setter pairs:
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44 | static captureRejections: boolean;
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45 | static defaultMaxListeners: number;
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46 | }
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47 |
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48 | import internal = require('events');
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49 | namespace EventEmitter {
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50 |
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51 | export { internal as EventEmitter };
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52 | }
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53 |
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54 | global {
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55 | namespace NodeJS {
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56 | interface EventEmitter {
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57 | addListener(event: string | symbol, listener: (...args: any[]) => void): this;
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58 | on(event: string | symbol, listener: (...args: any[]) => void): this;
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59 | once(event: string | symbol, listener: (...args: any[]) => void): this;
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60 | removeListener(event: string | symbol, listener: (...args: any[]) => void): this;
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61 | off(event: string | symbol, listener: (...args: any[]) => void): this;
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62 | removeAllListeners(event?: string | symbol): this;
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63 | setMaxListeners(n: number): this;
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64 | getMaxListeners(): number;
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65 | listeners(event: string | symbol): Function[];
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66 | rawListeners(event: string | symbol): Function[];
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67 | emit(event: string | symbol, ...args: any[]): boolean;
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68 | listenerCount(event: string | symbol): number;
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69 |
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70 | prependListener(event: string | symbol, listener: (...args: any[]) => void): this;
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71 | prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): this;
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72 | eventNames(): Array<string | symbol>;
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73 | }
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74 | }
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75 | }
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76 |
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77 | export = EventEmitter;
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78 | }
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