Correctly update the ts, js extensions to handle when watching failed lookups so we are not doing extra tracking of actual paths

Author: sheetalkamat

src/compiler/resolutionCache.ts

@@ -69,6 +69,8 @@ import {
     startsWith,
     stringContains,
     StringLiteralLike,
+    supportedJSExtensionsFlat,
+    supportedTSImplementationExtensions,
     trace,
     updateResolutionField,
     WatchDirectoryFlags,
@@ -298,13 +300,6 @@ export function createResolutionCache(resolutionHost: ResolutionCacheHost, rootD
         moduleResolutionCache.getPackageJsonInfoCache(),
     );
 
-    /**
-     * These are the extensions that failed lookup files will have by default,
-     * any other extension of failed lookup will be store that path in custom failed lookup path
-     * This helps in not having to comb through all resolutions when files are added/removed
-     * Note that .d.ts file also has .d.ts extension hence will be part of default extensions
-     */
-    const failedLookupDefaultExtensions = [Extension.Ts, Extension.Tsx, Extension.Js, Extension.Jsx, Extension.Json];
     const customFailedLookupPaths = new Map<string, number>();
 
     const directoryWatchesOfFailedLookups = new Map<string, DirectoryWatchesOfFailedLookup>();
@@ -764,7 +759,15 @@ export function createResolutionCache(resolutionHost: ResolutionCacheHost, rootD
     }
 
     function isPathWithDefaultFailedLookupExtension(path: Path) {
-        return fileExtensionIsOneOf(path, failedLookupDefaultExtensions);
+        /**
+         * These are the extensions that failed lookup files will have by default,
+         * any other extension of failed lookup will be store that path in custom failed lookup path
+         * This helps in not having to comb through all resolutions when files are added/removed
+         * Note that .d.ts file also has .d.ts extension hence will be part of default extensions
+         */
+        return fileExtensionIsOneOf(path, supportedTSImplementationExtensions) ||
+            fileExtensionIsOneOf(path, supportedJSExtensionsFlat) ||
+            fileExtensionIs(path, Extension.Json);
     }
 
     function watchFailedLookupLocationsOfExternalModuleResolutions<T extends ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName>(