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ensure defects are caught in Effect.tryPromise (#3459)
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tim-smart authored Aug 15, 2024
1 parent a07990d commit 00b6c6d
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5 changes: 5 additions & 0 deletions .changeset/happy-geckos-push.md
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"effect": patch
---

ensure defects are caught in Effect.tryPromise
40 changes: 22 additions & 18 deletions packages/effect/src/internal/core-effect.ts
Original file line number Diff line number Diff line change
Expand Up @@ -1200,12 +1200,20 @@ export const patchFiberRefs = (patch: FiberRefsPatch.FiberRefsPatch): Effect.Eff
export const promise = <A>(evaluate: (signal: AbortSignal) => PromiseLike<A>): Effect.Effect<A> =>
evaluate.length >= 1
? core.async((resolve, signal) => {
evaluate(signal)
.then((a) => resolve(core.exitSucceed(a)), (e) => resolve(core.exitDie(e)))
try {
evaluate(signal)
.then((a) => resolve(core.exitSucceed(a)), (e) => resolve(core.exitDie(e)))
} catch (e) {
resolve(core.exitDie(e))
}
})
: core.async((resolve) => {
;(evaluate as LazyArg<PromiseLike<A>>)()
.then((a) => resolve(core.exitSucceed(a)), (e) => resolve(core.exitDie(e)))
try {
;(evaluate as LazyArg<PromiseLike<A>>)()
.then((a) => resolve(core.exitSucceed(a)), (e) => resolve(core.exitDie(e)))
} catch (e) {
resolve(core.exitDie(e))
}
})

/* @internal */
Expand Down Expand Up @@ -1668,29 +1676,25 @@ export const tryPromise: {
return core.async((resolve, signal) => {
try {
evaluate(signal)
.then((a) => resolve(core.exitSucceed(a)), (e) =>
resolve(core.fail(
catcher ? catcher(e) : new core.UnknownException(e)
)))
.then(
(a) => resolve(core.exitSucceed(a)),
(e) => resolve(catcher ? core.failSync(() => catcher(e)) : core.fail(new core.UnknownException(e)))
)
} catch (e) {
resolve(core.fail(
catcher ? catcher(e) : new core.UnknownException(e)
))
resolve(catcher ? core.failSync(() => catcher(e)) : core.fail(new core.UnknownException(e)))
}
})
}

return core.async((resolve) => {
try {
evaluate()
.then((a) => resolve(core.exitSucceed(a)), (e) =>
resolve(core.fail(
catcher ? catcher(e) : new core.UnknownException(e)
)))
.then(
(a) => resolve(core.exitSucceed(a)),
(e) => resolve(catcher ? core.failSync(() => catcher(e)) : core.fail(new core.UnknownException(e)))
)
} catch (e) {
resolve(core.fail(
catcher ? catcher(e) : new core.UnknownException(e)
))
resolve(catcher ? core.failSync(() => catcher(e)) : core.fail(new core.UnknownException(e)))
}
})
}
Expand Down
16 changes: 15 additions & 1 deletion packages/effect/test/Effect/tryPromise.test.ts
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
import * as Cause from "effect/Cause"
import * as Effect from "effect/Effect"
import * as Either from "effect/Either"
import { describe, expect, it } from "vitest"
import { describe, expect, it } from "effect/test/utils/extend"

describe("Effect", () => {
it("tryPromise - success, no catch, no AbortSignal", async () => {
Expand Down Expand Up @@ -88,4 +88,18 @@ describe("Effect", () => {
expect(exit._tag).toBe("Success")
expect(aborted).toBe(true)
})

it.effect("tryPromise - defects in catch", () =>
Effect.gen(function*() {
const cause = yield* Effect.tryPromise({
try: () => Promise.reject("error"),
catch: (error) => {
throw new Error(String(error))
}
}).pipe(
Effect.sandbox,
Effect.flip
)
expect(cause).toStrictEqual(Cause.die(new Error("error")))
}))
})

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