feat: resolve .d.ts path automatically for .jsx? files

Author: JounQin

Diff for: index.js

@@ -54,16 +54,27 @@ function resolveFile(source, file, config) {
 
   // note that even if we match via tsconfig-paths, we still need to do a final resolve
   let foundNodePath;
+  const basedir = path.dirname(path.resolve(file))
   try {
     foundNodePath = resolve.sync(foundTsPath || source, {
       extensions,
-      basedir: path.dirname(path.resolve(file)),
+      basedir,
       packageFilter,
     });
   } catch (err) {
     foundNodePath = null;
   }
 
+  if (foundNodePath && /\.jsx?$/.test(foundNodePath)) {
+    try {
+      foundNodePath = resolve.sync(foundTsPath || source, {
+        extensions: ['.d.ts'],
+        basedir,
+        packageFilter,
+      });
+    } catch (err) {}
+  }
+
   if (foundNodePath) {
     log('matched node path:', foundNodePath);
 
@@ -73,7 +84,7 @@ function resolveFile(source, file, config) {
     };
   }
 
-  log('didnt find', source);
+  log("didn't find", source);
 
   return {
     found: false,