Merge pull request #37 from nlibjs/d-ts

feat: rename .d.ts files
nlibjs · Jul 28, 2022 · 0a0c8d1 · 0a0c8d1
2 parents 9bd1e5b + e8b1d2f
commit 0a0c8d1
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diff --git a/src/esmify.test.ts b/src/esmify.test.ts
@@ -62,6 +62,23 @@ test('rename .js files', async (t) => {
     });
 });
 
+test('rename .d.ts files', async (t) => {
+    const directory = await createTestDirectory();
+    await deployFiles(directory, {
+        'foo.js': 'console.info(123)',
+        'foo.d.ts': 'console.info(123)',
+        'bar.js': 'console.info(456)',
+        'bar.d.ts': 'console.info(456)',
+    });
+    await execute(directory, path.join(directory, '**'));
+    t.deepEqual(await readFiles(directory), {
+        'foo.mjs': 'console.info(123)',
+        'foo.d.mts': 'console.info(123)',
+        'bar.mjs': 'console.info(456)',
+        'bar.d.mts': 'console.info(456)',
+    });
+});
+
 test('sync import/export sources', async (t) => {
     const directory = await createTestDirectory();
     await deployFiles(directory, {

diff --git a/src/esmify.ts b/src/esmify.ts
@@ -42,6 +42,9 @@ export const esmify = async (
     }
     console.info(`esmify:writing ${renames.size} files`);
     for (const [absoluteFilePath, renamed] of renames) {
+        if (absoluteFilePath.endsWith('.js')) {
+            await renameTypeFile(absoluteFilePath);
+        }
         await fs.writeFile(renamed.path, renamed.code);
         if (absoluteFilePath !== renamed.path) {
             await fs.unlink(absoluteFilePath);
@@ -55,6 +58,16 @@ export const esmify = async (
     }
 };
 
+const renameTypeFile = async (absoluteFilePath: string) => {
+    const typeFilePath = `${absoluteFilePath.slice(0, -3)}.d.ts`;
+    const renamedTypeFilePath = `${absoluteFilePath.slice(0, -3)}.d.mts`;
+    await fs.rename(typeFilePath, renamedTypeFilePath).catch((error) => {
+        if (!isRecord(error) || error.code !== 'ENOENT') {
+            throw error;
+        }
+    });
+};
+
 const getRenameMapping = async (patterns: Array<string>, cwd: string) => {
     const renames = new Map<string, {path: string, code: string}>();
     const targetExtensions = ['.js', '.mjs', '.cjs'];