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Use WeakMap in ReEmitter to help enable garbage collection (#3344)

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This commit is contained in:
Michael Telatynski
2023-05-09 14:24:34 +01:00
committed by GitHub
parent 83cb52c89c
commit 49696cecbd
1 changed files with 3 additions and 1 deletions
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4
src/ReEmitter.ts
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@@ -25,7 +25,7 @@ export class ReEmitter {
public constructor(private readonly target: EventEmitter) {}
// Map from emitter to event name to re-emitter
private reEmitters = new Map<EventEmitter, Map<string, (...args: any[]) => void>>();
private reEmitters = new WeakMap<EventEmitter, Map<string, (...args: any[]) => void>>();
public reEmit(source: EventEmitter, eventNames: string[]): void {
let reEmittersByEvent = this.reEmitters.get(source);
@@ -35,6 +35,8 @@ export class ReEmitter {
}
for (const eventName of eventNames) {
if (reEmittersByEvent.has(eventName)) continue;
// We include the source as the last argument for event handlers which may need it,
// such as read receipt listeners on the client class which won't have the context
// of the room.