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eclipse-che/che#9063 use own Disposable class in extension API
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31 changes: 31 additions & 0 deletions
31
packages/isolated-extension-api/src/extension/types-impl.ts
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/* | ||
* Copyright (C) 2018 Red Hat, Inc. | ||
* All rights reserved. This program and the accompanying materials | ||
* are made available under the terms of the Eclipse Public License v1.0 | ||
* which accompanies this distribution, and is available at | ||
* http://www.eclipse.org/legal/epl-v10.html | ||
* | ||
* Contributors: | ||
* Red Hat, Inc. - initial API and implementation | ||
*/ | ||
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export class Disposable { | ||
private disposable: undefined | (() => void); | ||
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constructor(func: () => void) { | ||
this.disposable = func; | ||
} | ||
/** | ||
* Dispose this object. | ||
*/ | ||
dispose(): void { | ||
if (this.disposable) { | ||
this.disposable(); | ||
this.disposable = undefined; | ||
} | ||
} | ||
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static create(func: () => void): Disposable { | ||
return new Disposable(func); | ||
} | ||
} |
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