diff --git a/tools/config.js b/tools/config.js
index 25a8ff6..eeab027 100644
--- a/tools/config.js
+++ b/tools/config.js
@@ -76,7 +76,7 @@ module.exports = {
     },
     resolve: {
       modules: [src, 'node_modules'],
-      extensions: ['.js', '.json'],
+      extensions: ['.js', '.json', '.ts'],
     },
     plugins: [
       new webpack.DefinePlugin({}),