Refactor type resolution logic in createTypeChecker for improved accuracy

Bashamega · Bashamega · commit f9fb152f438c · 2025-03-12T07:42:47.000+02:00
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
@@ -12296,7 +12296,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {
             { flag: SymbolFlags.Alias, resolver: getTypeOfAlias },
         ];
 
-        const matchedResolver = typeResolvers.find(({ flag }) => (checkFlags & flag) !== 0 || (symbol.flags & flag) !== 0);
+        const matchedResolver = typeResolvers.find(({ flag }) => (checkFlags & flag) !== 0);
 
         return matchedResolver ? matchedResolver.resolver(symbol) : errorType;
     }

Original file line number	Diff line number	Diff line change
`@@ -12296,7 +12296,7 @@ export function createTypeChecker(host: TypeCheckerHost): TypeChecker {`
`12296`	`12296`	`{ flag: SymbolFlags.Alias, resolver: getTypeOfAlias },`
`12297`	`12297`	`];`
`12298`	`12298`
`12299`		`- const matchedResolver = typeResolvers.find(({ flag }) => (checkFlags & flag) !== 0 \|\| (symbol.flags & flag) !== 0);`
	`12299`	`+ const matchedResolver = typeResolvers.find(({ flag }) => (checkFlags & flag) !== 0);`
`12300`	`12300`
`12301`	`12301`	`return matchedResolver ? matchedResolver.resolver(symbol) : errorType;`
`12302`	`12302`	`}`