mirror of
https://github.com/grafana/grafana.git
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fd99bfab1d
* DevEnv: updates sinon 1.17.6 -> 8.1.1 * DevEnv: updates zone.js 0.7.8 -> 0.10.2 * DevEnv: updates brace 0.10.0 -> 0.11.1 * DevEnv: updates eventemitter3 2.0.3 -> 4.0.0 * DevEnv: updates file-saver 1.3.8 -> 2.0.2 * DevEnv: updates is-hotkey 0.1.4 -> 0.1.6 * DevEnv: updates mousetrap 1.6.3 -> 1.6.5 * DevEnv: updates prismjs 1.16.0 -> 1.19.0 * DevEnv: updates search-query-parser 1.5.2 -> 1.5.4 * DevEnv: updates tether 1.4.5 -> 1.4.7 * DevEnv: updates xss 1.0.3 -> 1.0.6 * Revert "DevEnv: updates zone.js 0.7.8 -> 0.10.2" * DevEnv: updates sinon 1.17.6 -> 8.1.1 in grafana-data package * DevEnv: updates @types/sinon 7.0.11 -> 7.5.2 in grafana-data package * DevEnv: updates eventemitter import * DevEnv: updates lockfile
92 lines
2.8 KiB
TypeScript
92 lines
2.8 KiB
TypeScript
import EventEmitter3, { EventEmitter } from 'eventemitter3';
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import { AppEvent } from '@grafana/data';
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export class Emitter {
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private emitter: EventEmitter3;
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constructor() {
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this.emitter = new EventEmitter();
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}
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/**
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* DEPRECATED.
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*/
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emit(name: string, data?: any): void;
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/**
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* Emits an `event` with `payload`.
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*/
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emit<T extends undefined>(event: AppEvent<T>): void;
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emit<T extends Partial<T> extends T ? Partial<T> : never>(event: AppEvent<T>): void;
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emit<T>(event: AppEvent<T>, payload: T): void;
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emit<T>(event: AppEvent<T> | string, payload?: T | any): void {
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if (typeof event === 'string') {
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console.log(`Using strings as events is deprecated and will be removed in a future version. (${event})`);
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this.emitter.emit(event, payload);
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} else {
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this.emitter.emit(event.name, payload);
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}
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}
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/**
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* DEPRECATED.
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*/
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on(name: string, handler: (payload?: any) => void, scope?: any): void;
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/**
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* Handles `event` with `handler()` when emitted.
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*/
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on<T extends undefined>(event: AppEvent<T>, handler: () => void, scope?: any): void;
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on<T extends Partial<T> extends T ? Partial<T> : never>(event: AppEvent<T>, handler: () => void, scope?: any): void;
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on<T>(event: AppEvent<T>, handler: (payload: T) => void, scope?: any): void;
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on<T>(event: AppEvent<T> | string, handler: (payload?: T | any) => void, scope?: any) {
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if (typeof event === 'string') {
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console.log(`Using strings as events is deprecated and will be removed in a future version. (${event})`);
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this.emitter.on(event, handler);
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if (scope) {
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const unbind = scope.$on('$destroy', () => {
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this.emitter.off(event, handler);
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unbind();
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});
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}
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return;
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}
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this.emitter.on(event.name, handler);
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if (scope) {
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const unbind = scope.$on('$destroy', () => {
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this.emitter.off(event.name, handler);
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unbind();
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});
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}
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}
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/**
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* DEPRECATED.
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*/
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off(name: string, handler: (payload?: any) => void): void;
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off<T extends undefined>(event: AppEvent<T>, handler: () => void): void;
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off<T extends Partial<T> extends T ? Partial<T> : never>(event: AppEvent<T>, handler: () => void, scope?: any): void;
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off<T>(event: AppEvent<T>, handler: (payload: T) => void): void;
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off<T>(event: AppEvent<T> | string, handler: (payload?: T | any) => void) {
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if (typeof event === 'string') {
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console.log(`Using strings as events is deprecated and will be removed in a future version. (${event})`);
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this.emitter.off(event, handler);
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return;
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}
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this.emitter.off(event.name, handler);
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}
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removeAllListeners(evt?: string) {
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this.emitter.removeAllListeners(evt);
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}
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getEventCount(): number {
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return (this.emitter as any)._eventsCount;
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}
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}
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