fix: regression on Windows

src/service/emit/declaration/emit-declarations.ts

@@ -93,6 +93,7 @@ export function emitDeclarations(options: EmitDeclarationsOptions): void {
 			declarationDir: options.originalCompilerOptions.declarationDir,
 			outFile: setExtension(virtualOutFile.relative, JS_EXTENSION),
 			module: typescript.ModuleKind.System,
+			noEmit: false,
 			emitDeclarationOnly: true,
 
 			// This can cause TS2612 errors that wouldn't otherwise happen

src/util/chunk/normalize-chunk.ts

@@ -33,15 +33,19 @@ export function preNormalizeChunk(chunk: OutputChunk, otherChunks: OutputChunk[]
 
 	// Make sure to remove any base modules that are also entry modules in other chunks
 	for (const baseModule of baseModules) {
-		if (otherChunks.some(otherChunk => otherChunk.isEntry && otherChunk.facadeModuleId === baseModule)) {
+		if (
+			otherChunks.some(
+				otherChunk => otherChunk.isEntry && otherChunk.facadeModuleId != null && normalizeChunkFilename(otherChunk.facadeModuleId) === normalizeChunkFilename(baseModule)
+			)
+		) {
 			baseModules.delete(baseModule);
 		}
 	}
 
 	// Add the facadeModuleId to the base modules if it is an entry chunk and it wasn't already there.
 	// Since Rollup v3.22.0, the facadeModuleId may no longer be included in the modules of the chunk if it only contains imports/exports, so we'll have to add it manually
 	if (chunk.isEntry && chunk.facadeModuleId != null && !baseModules.has(chunk.facadeModuleId)) {
-		baseModules.add(chunk.facadeModuleId);
+		baseModules.add(normalizeChunkFilename(chunk.facadeModuleId));
 	}
 
 	return {

test/allow-importing-ts-extensions.test.ts

@@ -29,8 +29,7 @@ test.serial(
 				typescript,
 				rollup,
 				tsconfig: {
-					allowImportingTsExtensions: true,
-					noEmit: true
+					allowImportingTsExtensions: true
 				}
 			}
 		);