fix: support file names with . (#88)

src/utils/get-rollup-configs.ts

@@ -262,7 +262,7 @@ export const getRollupConfigs = async (
 				entryFileNames: (chunk) => {
 					const realPath = fs.realpathSync.native(stripQuery(chunk.facadeModuleId!));
 					const relativePath = realPath.slice(sourceDirectoryPath.length);
-					const [filePath] = relativePath.split('.');
+					const filePath = path.join(path.dirname(relativePath), chunk.name);
 					return filePath + distExtension;
 				},
 			};

tests/specs/builds/package-exports.ts

@@ -136,5 +136,45 @@ export default testSuite(({ describe }, nodePath: string) => {
 			const utilsMjs = await fixture.readFile('dist/utils.js', 'utf8');
 			expect(utilsMjs).toMatch('exports.sayHello =');
 		});
+
+		test('get basename with dot', async () => {
+			await using fixture = await createFixture({
+				...packageFixture({
+					installTypeScript: true,
+				}),
+				src: {
+					'index.node.ts': 'export default () => "foo";',
+					nested: {
+						'index.node.ts': 'export default () => "foo";',
+					},
+				},
+				'package.json': createPackageJson({
+					exports: {
+						'./': {
+							default: './dist/index.node.js',
+							types: './dist/index.node.d.ts',
+						},
+						'./nested': {
+							default: './dist/nested/index.node.js',
+							types: './dist/nested/index.node.d.ts',
+						},
+					},
+				}),
+			});
+
+			const pkgrollProcess = await pkgroll([], {
+				cwd: fixture.path,
+				nodePath,
+			});
+
+			expect(pkgrollProcess.exitCode).toBe(0);
+			expect(pkgrollProcess.stderr).toBe('');
+
+			const content = await fixture.readFile('dist/index.node.js', 'utf8');
+			expect(content).toMatch('module.exports =');
+			await fixture.exists('dist/index.node.d.ts');
+			await fixture.exists('dist/nested/index.node.js');
+			await fixture.exists('dist/nested/index.node.d.ts');
+		});
 	});
 });