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authorRaindropsSys <raindrops@equestria.dev>2023-11-17 23:25:29 +0100
committerRaindropsSys <raindrops@equestria.dev>2023-11-17 23:25:29 +0100
commit953ddd82e48dd206cef5ac94456549aed13b3ad5 (patch)
tree8f003106ee2e7f422e5a22d2ee04d0db302e66c0 /includes/external/matrix/node_modules/matrix-js-sdk/src/ReEmitter.ts
parent62a9199846b0c07c03218703b33e8385764f42d9 (diff)
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diff --git a/includes/external/matrix/node_modules/matrix-js-sdk/src/ReEmitter.ts b/includes/external/matrix/node_modules/matrix-js-sdk/src/ReEmitter.ts
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--- a/includes/external/matrix/node_modules/matrix-js-sdk/src/ReEmitter.ts
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@@ -1,91 +0,0 @@
-/*
-Copyright 2015, 2016 OpenMarket Ltd
-Copyright 2017 Vector Creations Ltd
-Copyright 2017 New Vector Ltd
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-// eslint-disable-next-line no-restricted-imports
-import { EventEmitter } from "events";
-
-import { ListenerMap, TypedEventEmitter } from "./models/typed-event-emitter";
-
-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>>();
-
- public reEmit(source: EventEmitter, eventNames: string[]): void {
- let reEmittersByEvent = this.reEmitters.get(source);
- if (!reEmittersByEvent) {
- reEmittersByEvent = new Map();
- this.reEmitters.set(source, reEmittersByEvent);
- }
-
- for (const eventName of eventNames) {
- // 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.
- const forSource = (...args: any[]): void => {
- // EventEmitter special cases 'error' to make the emit function throw if no
- // handler is attached, which sort of makes sense for making sure that something
- // handles an error, but for re-emitting, there could be a listener on the original
- // source object so the test doesn't really work. We *could* try to replicate the
- // same logic and throw if there is no listener on either the source or the target,
- // but this behaviour is fairly undesireable for us anyway: the main place we throw
- // 'error' events is for calls, where error events are usually emitted some time
- // later by a different part of the code where 'emit' throwing because the app hasn't
- // added an error handler isn't terribly helpful. (A better fix in retrospect may
- // have been to just avoid using the event name 'error', but backwards compat...)
- if (eventName === "error" && this.target.listenerCount("error") === 0) return;
- this.target.emit(eventName, ...args, source);
- };
- source.on(eventName, forSource);
- reEmittersByEvent.set(eventName, forSource);
- }
- }
-
- public stopReEmitting(source: EventEmitter, eventNames: string[]): void {
- const reEmittersByEvent = this.reEmitters.get(source);
- if (!reEmittersByEvent) return; // We were never re-emitting these events in the first place
-
- for (const eventName of eventNames) {
- source.off(eventName, reEmittersByEvent.get(eventName)!);
- reEmittersByEvent.delete(eventName);
- }
-
- if (reEmittersByEvent.size === 0) this.reEmitters.delete(source);
- }
-}
-
-export class TypedReEmitter<Events extends string, Arguments extends ListenerMap<Events>> extends ReEmitter {
- public constructor(target: TypedEventEmitter<Events, Arguments>) {
- super(target);
- }
-
- public reEmit<ReEmittedEvents extends string, T extends Events & ReEmittedEvents>(
- source: TypedEventEmitter<ReEmittedEvents, any>,
- eventNames: T[],
- ): void {
- super.reEmit(source, eventNames);
- }
-
- public stopReEmitting<ReEmittedEvents extends string, T extends Events & ReEmittedEvents>(
- source: TypedEventEmitter<ReEmittedEvents, any>,
- eventNames: T[],
- ): void {
- super.stopReEmitting(source, eventNames);
- }
-}