code-server/lib/vscode/extensions/image-preview/src/dispose.ts

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as vscode from 'vscode';
export function disposeAll(disposables: vscode.Disposable[]) {
while (disposables.length) {
const item = disposables.pop();
if (item) {
item.dispose();
}
}
}
export abstract class Disposable {
private _isDisposed = false;
protected _disposables: vscode.Disposable[] = [];
public dispose(): any {
if (this._isDisposed) {
return;
}
this._isDisposed = true;
disposeAll(this._disposables);
}
protected _register<T extends vscode.Disposable>(value: T): T {
if (this._isDisposed) {
value.dispose();
} else {
this._disposables.push(value);
}
return value;
}
protected get isDisposed() {
return this._isDisposed;
}
}