【Vuex】Failed to compile Module not found: Error: Can't resolve 'babel-polyfill' in '/Users/.../node_modules/react-insta-stories/dist'が起きる
Failed to compile Module not found: Error: Can't resolve 'babel-polyfill' in '/Users/.../node_modules/react-insta-stories/dist'
上記のエラーが起こった際には、
$ npm install --save-dev babel-polyfill
で解決。