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2 changes: 1 addition & 1 deletion src/compiler/moduleNameResolver.ts
Original file line number Diff line number Diff line change
Expand Up @@ -1679,7 +1679,7 @@ export function nodeModuleNameResolver(moduleName: string, containingFile: strin

/** @internal */
export function nodeNextJsonConfigResolver(moduleName: string, containingFile: string, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations {
return nodeModuleNameResolverWorker(NodeResolutionFeatures.Exports, moduleName, getDirectoryPath(containingFile), { moduleResolution: ModuleResolutionKind.NodeNext }, host, /*cache*/ undefined, Extensions.Json, /*isConfigLookup*/ true, /*redirectedReference*/ undefined);
return nodeModuleNameResolverWorker(NodeResolutionFeatures.NodeNextDefault, moduleName, getDirectoryPath(containingFile), { moduleResolution: ModuleResolutionKind.NodeNext }, host, /*cache*/ undefined, Extensions.Json, /*isConfigLookup*/ true, /*redirectedReference*/ undefined);
}

function nodeModuleNameResolverWorker(features: NodeResolutionFeatures, moduleName: string, containingDirectory: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, cache: ModuleResolutionCache | undefined, extensions: Extensions, isConfigLookup: boolean, redirectedReference: ResolvedProjectReference | undefined): ResolvedModuleWithFailedLookupLocations {
Expand Down
Original file line number Diff line number Diff line change
@@ -0,0 +1,30 @@
/index.ts(2,1): error TS2454: Variable 'x' is used before being assigned.


==== /tsconfig.json (0 errors) ====
{
"extends": "foo/strict.json"
}

==== /node_modules/foo/package.json (0 errors) ====
{
"name": "foo",
"version": "1.0.0",
"exports": {
"./*.json": "./configs/*.json"
}
}

==== /node_modules/foo/configs/strict.json (0 errors) ====
{
"compilerOptions": {
"strict": true
}
}

==== /index.ts (1 errors) ====
let x: string;
x.toLowerCase();
~
!!! error TS2454: Variable 'x' is used before being assigned.

27 changes: 27 additions & 0 deletions tests/cases/compiler/tsconfigExtendsPackageJsonExportsWildcard.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
// @noTypesAndSymbols: true
// @noEmit: true

// @Filename: /node_modules/foo/package.json
{
"name": "foo",
"version": "1.0.0",
"exports": {
"./*.json": "./configs/*.json"
}
}

// @Filename: /node_modules/foo/configs/strict.json
{
"compilerOptions": {
"strict": true
}
}

// @Filename: /tsconfig.json
{
"extends": "foo/strict.json"
}

// @Filename: /index.ts
let x: string;
x.toLowerCase();