morluto
215001a1ce
Reuse the existing directory close state machine for artifact and reference readers. ArtifactResourceScope can retain the exact directory owner when cleanup fails.
33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
import type { Dir } from "node:fs";
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type CloseState =
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| { readonly kind: "open" }
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| { readonly kind: "closing"; readonly attempt: Promise<void> }
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| { readonly kind: "closed" }
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| { readonly kind: "failed"; readonly cause: unknown };
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/** Dir.close invalidates Node's private handle before its native close settles. */
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export class OwnedDirectoryHandle {
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#state: CloseState = { kind: "open" };
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constructor(readonly handle: Dir) {}
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close(): Promise<void> {
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if (this.#state.kind === "closed") return Promise.resolve();
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if (this.#state.kind === "closing") return this.#state.attempt;
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if (this.#state.kind === "failed") return Promise.reject(this.#state.cause);
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const attempt = Promise.resolve().then(async () => {
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try {
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await this.handle.close();
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this.#state = { kind: "closed" };
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} catch (cause: unknown) {
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// Dir has no public validity signal with which to authorize a retry.
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this.#state = { kind: "failed", cause };
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throw cause;
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}
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});
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this.#state = { kind: "closing", attempt };
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return attempt;
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}
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}
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