Probably works

weswigham · Mar 28, 2022 · bf03421 · bf03421
1 parent d962091
commit bf03421
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/compiler/moduleNameResolver.ts b/src/compiler/moduleNameResolver.ts
@@ -1498,9 +1498,9 @@ namespace ts {
     }
 
     function loadJSOrExactTSFileName(extensions: Extensions, candidate: string, onlyRecordFailures: boolean, state: ModuleResolutionState): PathAndExtension | undefined {
-        if ((extensions === Extensions.TypeScript || extensions === Extensions.DtsOnly) && fileExtensionIsOneOf(candidate, [Extension.Dts, Extension.Dcts, Extension.Dmts])) {
+        if ((extensions === Extensions.TypeScript || extensions === Extensions.DtsOnly) && fileExtensionIsOneOf(candidate, supportedTSExtensionsFlat)) {
             const result = tryFile(candidate, onlyRecordFailures, state);
-            return result !== undefined ? { path: candidate, ext: forEach([Extension.Dts, Extension.Dcts, Extension.Dmts], e => fileExtensionIs(candidate, e) ? e : undefined)! } : undefined;
+            return result !== undefined ? { path: candidate, ext: tryExtractTSExtension(candidate) as Extension } : undefined;
         }
 
         return loadModuleFromFileNoImplicitExtensions(extensions, candidate, onlyRecordFailures, state);