[bugfix] lint-staged should lint ts files

package.json

@@ -37,7 +37,7 @@
     }
   },
   "lint-staged": {
-    "*.{js,vue}": [
+    "*.{ts,tsx,js,vue}": [
       "eslint",
       "git add"
     ],

packages/overlay/index.tsx

@@ -1,5 +1,5 @@
 import { use } from '../utils';
-import { emit, inherit } from '../utils/functional';
+import { inherit } from '../utils/functional';
 
 // Types
 import { CreateElement, RenderContext } from 'vue/types';