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fix(types): add callback contextual typing (#134) #136

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fix(types): add callback contextual typing (#134) #136

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4 changes: 3 additions & 1 deletion src/types.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,9 @@ export type Stubify<T> =
// `Stub` depends on `Provider`, which depends on `Unstubify`, which would depend on `Stub`.
// prettier-ignore
type UnstubifyInner<T> =
T extends StubBase<infer V> ? (T | V) // can provide either stub or local RpcTarget
// Keep local RpcTarget acceptance, but avoid `Stub | Value` unions when the stub
// is already assignable to the value type (needed for callback contextual typing).
T extends StubBase<infer V> ? (T extends V ? V : (T | V))
: T extends Map<infer K, infer V> ? Map<Unstubify<K>, Unstubify<V>>
: T extends Set<infer V> ? Set<Unstubify<V>>
: T extends [] ? []
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