add mts and cts awareness to internal/external classifier; add .d.cts…

…/.d.mts extensions to tests
TypeStrong · May 18, 2022 · 00755d0 · 00755d0
1 parent 5b1dcdc
commit 00755d0
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Showing 2 changed files with 11 additions and 2 deletions.
diff --git a/src/resolver-functions.ts b/src/resolver-functions.ts
@@ -64,12 +64,17 @@ export function createResolverFunctions(kwargs: {
   ) => {
     const { resolvedFileName } = resolvedModule;
     if (resolvedFileName === undefined) return;
-    // .ts is always switched to internal
+    // [MUST_UPDATE_FOR_NEW_FILE_EXTENSIONS]
+    // .ts,.mts,.cts is always switched to internal
     // .js is switched on-demand
     if (
       resolvedModule.isExternalLibraryImport &&
       ((resolvedFileName.endsWith('.ts') &&
         !resolvedFileName.endsWith('.d.ts')) ||
+        (resolvedFileName.endsWith('.cts') &&
+          !resolvedFileName.endsWith('.d.cts')) ||
+        (resolvedFileName.endsWith('.mts') &&
+          !resolvedFileName.endsWith('.d.mts')) ||
         isFileKnownToBeInternal(resolvedFileName) ||
         isFileInInternalBucket(resolvedFileName))
     ) {

diff --git a/src/test/index.spec.ts b/src/test/index.spec.ts
@@ -1044,14 +1044,18 @@ test.suite('ts-node', (test) => {
       '.d.ts',
       '.mts',
       '.cts',
+      '.d.mts',
+      '.d.cts',
       '.mjs',
       '.cjs',
       '.tsx',
       '.jsx',
       '.xyz',
       '',
     ];
-    const mtsCts = tsSupportsMtsCtsExtensions ? ['.mts', '.cts'] : [];
+    const mtsCts = tsSupportsMtsCtsExtensions
+      ? ['.mts', '.cts', '.d.mts', '.d.cts']
+      : [];
     const mjsCjs = tsSupportsMtsCtsExtensions ? ['.mjs', '.cjs'] : [];
 
     test('correctly filters file extensions from the compiler when allowJs=false and jsx=false', (t) => {