31 lines
1006 B
JavaScript
31 lines
1006 B
JavaScript
/**
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* An object that provides an async `.dispose()` method that can called only once.
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*
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* Calling `.dispose()` will call the provided `onDispose` function only once.
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* Any subsequent calls to `.dispose()` will do nothing.
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*/
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export class AsyncDisposableHandle {
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/** @internal */ _onDispose;
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/** @internal */ _disposePromise;
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constructor(onDispose) {
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this._onDispose = onDispose;
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this.dispose = this.dispose.bind(this);
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this[Symbol.asyncDispose] = this[Symbol.asyncDispose].bind(this);
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}
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get disposed() {
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return this._onDispose == null;
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}
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async [Symbol.asyncDispose]() {
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await this.dispose();
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}
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async dispose() {
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if (this._onDispose != null) {
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const onDispose = this._onDispose;
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delete this._onDispose;
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this._disposePromise = onDispose();
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await this._disposePromise;
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}
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await this._disposePromise;
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}
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}
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//# sourceMappingURL=AsyncDisposableHandle.js.map
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