Enable typescript checks on common

Author: CompuIves

packages/common/package.json

@@ -20,7 +20,8 @@
     "prepublish": "yarn build",
     "start": "(yarn tsc --watch & yarn babel src --out-dir lib --watch & yarn cpx \"src/**/*.{css,svg,png,jpg}\" lib --watch)",
     "start:storybook": "start-storybook",
-    "test": "NODE_ENV=test jest"
+    "test": "NODE_ENV=test jest",
+    "typecheck": "tsc --noEmit"
   },
   "jest": {
     "moduleDirectories": [