Fixed narrowing types by aliased optional chain call expressions#59153
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Andarist wants to merge 1 commit intomicrosoft:mainfrom
Open
Fixed narrowing types by aliased optional chain call expressions#59153Andarist wants to merge 1 commit intomicrosoft:mainfrom
Andarist wants to merge 1 commit intomicrosoft:mainfrom
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| // Ordinarily we don't need to to this in control flow analysis because the Binder breaks this down. | ||
| // However, we may encounter the need to narrow this down here when analyzing aliased conditional expressions. |
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A need to do some extra narrowings when dealing with aliased conditions isn't new, see: https://github.dev/microsoft/TypeScript/blob/3163fe7e3898c1f48cd9bc097b96e3426cd2a453/src/compiler/checker.ts#L28886-L28888
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#59144 is related, at least in the general area it fixes. |
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fixes #59145