diff --git a/babel.config.js b/babel.config.js
index 858fd2227f..2338460616 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -38,7 +38,8 @@ const PLUGINS = [
       root: ['./src'],
       alias: {
         test: './test'
-      }
+      },
+      extensions: ['.js', '.ts', '.tsx', '.json']
     }
   ],
   [
diff --git a/src/templates/export-map-html.js b/src/templates/export-map-html.ts
similarity index 100%
rename from src/templates/export-map-html.js
rename to src/templates/export-map-html.ts
diff --git a/src/templates/index.d.ts b/src/templates/index.d.ts
deleted file mode 100644
index e69de29bb2..0000000000