fix: handle missing export map entry in ts resolution (#16)

src/index.ts

@@ -168,7 +168,11 @@ Module._resolveFilename = function (request, parent, isMain, options) {
 					options,
 				);
 			} catch (error) {
-				if ((error as any).code !== 'MODULE_NOT_FOUND') {
+				const { code } = error as any;
+				if (
+					code !== 'MODULE_NOT_FOUND'
+					&& code !== 'ERR_PACKAGE_PATH_NOT_EXPORTED'
+				) {
 					throw error;
 				}
 			}

tests/specs/typescript/dependencies.ts

@@ -0,0 +1,17 @@
+import { testSuite, expect } from 'manten';
+import type { NodeApis } from '../../utils/node-with-loader';
+
+export default testSuite(async ({ describe }, node: NodeApis) => {
+	describe('Dependencies', ({ describe }) => {
+		describe('export map', ({ test }) => {
+			const output = '{"default":"default export","namedExport":"named export"}';
+
+			test('Require', async () => {
+				const nodeProcess = await node.require('package-exports/index.js', {
+					typescript: true,
+				});
+				expect(nodeProcess.stdout).toBe(output);
+			});
+		});
+	});
+});

tests/specs/typescript/index.ts

@@ -6,6 +6,7 @@ import specJsx from './jsx';
 import specMts from './mts';
 import specCts from './cts';
 import specTsconfig from './tsconfig';
+import specDependencies from './dependencies';
 
 export default testSuite(async ({ describe }, node: NodeApis) => {
 	describe('TypeScript', async ({ runTestSuite }) => {
@@ -15,5 +16,6 @@ export default testSuite(async ({ describe }, node: NodeApis) => {
 		runTestSuite(specMts, node);
 		runTestSuite(specCts, node);
 		runTestSuite(specTsconfig, node);
+		runTestSuite(specDependencies, node);
 	});
 });