// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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/**
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* Creates a native AbortSignal which reflects the state of the provided AbortSignalLike.
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* If the AbortSignalLike is already a native AbortSignal, it is returned as is.
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* @param abortSignalLike - The AbortSignalLike to wrap.
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* @returns - An object containing the native AbortSignal and an optional cleanup function. The cleanup function should be called when the AbortSignal is no longer needed.
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*/
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export function wrapAbortSignalLike(abortSignalLike) {
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if (abortSignalLike instanceof AbortSignal) {
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return { abortSignal: abortSignalLike };
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}
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if (abortSignalLike.aborted) {
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return { abortSignal: AbortSignal.abort(abortSignalLike.reason) };
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}
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const controller = new AbortController();
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let needsCleanup = true;
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function cleanup() {
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if (needsCleanup) {
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abortSignalLike.removeEventListener("abort", listener);
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needsCleanup = false;
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}
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}
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function listener() {
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controller.abort(abortSignalLike.reason);
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cleanup();
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}
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abortSignalLike.addEventListener("abort", listener);
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return { abortSignal: controller.signal, cleanup };
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}
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//# sourceMappingURL=wrapAbortSignal.js.map
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