Files
blap/packages/shared-components/src/viewmodel/Disposables.ts
T
Florian Duros 9edddce149 RoomList: move room list header to shared components (#31675)
* chore: ignore jest-sonar.xml in gitconfig

* chore: add missing rtl types to shared component

* chore: add `symbol` to `Disposables.trackListener`

* feat: add room list header view to shared components

* fix: change `Space Settings` to `Space settings`

* feat: add room list header view model

* chore: remove old room list header

* chore: update i18n

* test: fix Room-test

* test: update playwright screenshot

* fix: remove extra margin at the top of Sort title in room options

* test: fix room status bar test

* fix: change for correct copyright

* refactor: use `Disposables#track` instead of manually disposing the listener

* refactor: avoid to recompute all the snapshot of `RoomListHeaderViewModel`

* wip

* fix: make header buttons the same size than figma

* test: update shared component snapshots

* test: update shared component screenshots

* test: update EW screenshots
2026-01-21 09:06:01 +00:00

71 lines
2.0 KiB
TypeScript

/*
Copyright 2025 New Vector Ltd.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE files in the repository root for full details.
*/
import type { EventEmitter } from "events";
/**
* Something that needs to be eventually disposed. This can be:
* - A function that does the disposing
* - An object containing a dispose method which does the disposing
*/
export type DisposableItem = { dispose: () => void } | (() => void);
/**
* This class provides a way for the view-model to track any resource
* that it needs to eventually relinquish.
*/
export class Disposables {
private readonly disposables: DisposableItem[] = [];
private _isDisposed: boolean = false;
/**
* Relinquish all tracked disposable values
*/
public dispose(): void {
if (this.isDisposed) return;
this._isDisposed = true;
for (const disposable of this.disposables) {
if (typeof disposable === "function") {
disposable();
} else {
disposable.dispose();
}
}
}
/**
* Track a value that needs to be eventually relinquished
*/
public track<T extends DisposableItem>(disposable: T): T {
this.throwIfDisposed();
this.disposables.push(disposable);
return disposable;
}
/**
* Add an event listener that will be removed on dispose
*/
public trackListener(emitter: EventEmitter, event: string | symbol, callback: (...args: unknown[]) => void): void {
this.throwIfDisposed();
emitter.on(event, callback);
this.track(() => {
emitter.off(event, callback);
});
}
private throwIfDisposed(): void {
if (this.isDisposed) throw new Error("Disposable is already disposed");
}
/**
* Whether this disposable has been disposed
*/
public get isDisposed(): boolean {
return this._isDisposed;
}
}