| 1 | import * as Effect from "effect/Effect"; |
| 2 | import * as Semaphore from "effect/Semaphore"; |
| 3 | |
| 4 | // AWS Config permits one customer-managed configuration recorder and one |
| 5 | // delivery channel per account and Region. ConfigRule.test.ts, Bindings.test.ts, |
| 6 | // and the gated recorder lifecycle all mutate that shared service state while |
| 7 | // alchemy-test executes files concurrently in one process. Read-only probes do |
| 8 | // not need this lease; callers hold it only around recorder/channel-dependent |
| 9 | // lifecycle work and its cleanup. |
| 10 | const configTestLock = Semaphore.makeUnsafe(1); |
| 11 | |
| 12 | export const makeConfigTestLease = () => { |
| 13 | let held = false; |
| 14 | |
| 15 | const acquire = Effect.uninterruptibleMask((restore) => |
| 16 | restore(configTestLock.take(1)).pipe( |
| 17 | Effect.tap(() => |
| 18 | Effect.sync(() => { |
| 19 | held = true; |
| 20 | }), |
| 21 | ), |
| 22 | Effect.asVoid, |
| 23 | ), |
| 24 | ); |
| 25 | |
| 26 | const release = Effect.suspend(() => { |
| 27 | if (!held) return Effect.void; |
| 28 | held = false; |
| 29 | return configTestLock.release(1).pipe(Effect.asVoid); |
| 30 | }); |
| 31 | |
| 32 | return { |
| 33 | acquire, |
| 34 | release, |
| 35 | use: <A, E, R>(effect: Effect.Effect<A, E, R>) => |
| 36 | Effect.acquireUseRelease( |
| 37 | acquire, |
| 38 | () => effect, |
| 39 | () => release, |
| 40 | ), |
| 41 | }; |
| 42 | }; |