( request: A, dataSource: Ds )
| 39 | |
| 40 | /** @internal */ |
| 41 | export const fromRequest = < |
| 42 | A extends Request.Request<any, any>, |
| 43 | Ds extends |
| 44 | | RequestResolver.RequestResolver<A> |
| 45 | | Effect.Effect<RequestResolver.RequestResolver<A>, any, any> |
| 46 | >( |
| 47 | request: A, |
| 48 | dataSource: Ds |
| 49 | ): Effect.Effect< |
| 50 | Request.Request.Success<A>, |
| 51 | Request.Request.Error<A>, |
| 52 | [Ds] extends [Effect.Effect<any, any, any>] ? Effect.Effect.Context<Ds> : never |
| 53 | > => |
| 54 | core.flatMap( |
| 55 | (core.isEffect(dataSource) ? dataSource : core.succeed(dataSource)) as Effect.Effect< |
| 56 | RequestResolver.RequestResolver<A> |
| 57 | >, |
| 58 | (ds) => |
| 59 | core.fiberIdWith((id) => { |
| 60 | const proxy = new Proxy(request, {}) |
| 61 | return core.fiberRefGetWith(currentCacheEnabled, (cacheEnabled) => { |
| 62 | if (cacheEnabled) { |
| 63 | const cached: Effect.Effect<any, any> = core.fiberRefGetWith(currentCache, (cache) => |
| 64 | core.flatMap(cache.getEither(proxy), (orNew) => { |
| 65 | switch (orNew._tag) { |
| 66 | case "Left": { |
| 67 | if (orNew.left.listeners.interrupted) { |
| 68 | return core.flatMap( |
| 69 | cache.invalidateWhen(proxy, (entry) => entry.handle === orNew.left.handle), |
| 70 | () => cached |
| 71 | ) |
| 72 | } |
| 73 | orNew.left.listeners.increment() |
| 74 | return core.uninterruptibleMask((restore) => |
| 75 | core.flatMap( |
| 76 | core.exit(core.blocked( |
| 77 | BlockedRequests.empty, |
| 78 | restore(core.deferredAwait(orNew.left.handle)) |
| 79 | )), |
| 80 | (exit) => { |
| 81 | orNew.left.listeners.decrement() |
| 82 | return exit |
| 83 | } |
| 84 | ) |
| 85 | ) |
| 86 | } |
| 87 | case "Right": { |
| 88 | orNew.right.listeners.increment() |
| 89 | return core.uninterruptibleMask((restore) => |
| 90 | core.flatMap( |
| 91 | core.exit( |
| 92 | core.blocked( |
| 93 | BlockedRequests.single( |
| 94 | ds as RequestResolver.RequestResolver<A>, |
| 95 | BlockedRequests.makeEntry({ |
| 96 | request: proxy, |
| 97 | result: orNew.right.handle, |
| 98 | listeners: orNew.right.listeners, |
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