"Error Cannot read property 'BOTTOM_RIGHT' of undefined" after upgrade from 4.4.0 to 4.4.1

TypeError: Cannot read property 'BOTTOM_RIGHT' of undefined
App.render
src/App.tsx:98
   95 | 	{/* container for the notification toasters
   96 | These are default values which can be change with react-toastify.toast() in components
   97 | */}
>  98 | 	<ToastContainer
   99 | 		position={ToastPosition.BOTTOM_RIGHT}
  100 | 		hideProgressBar={true}
  101 | 		newestOnTop={true}

my package.json

	"dependencies": {
		"@rebass/grid": "6.0.0-4",
		"@types/rebass": "^0.3.1",
		"@types/reduce-reducers": "^0.1.3",
		"ag-grid": "18.1.2",
		"ag-grid-react": "18.1.0",
		"antd": "3.10.5",
		"apollo-boost": "0.1.20",
		"apollo-client-preset": "1.0.8",
		"apollo-link-schema": "1.1.1",
		"apollo-link-state": "0.4.2",
		"axios": "0.18.0",
		"connected-react-router": "5.0.1",
		"font-awesome": "4.7.0",
		"graphql": "14.0.2",
		"graphql-tag": "2.10.0",
		"graphql-tools": "3.1.1",
		"grid-styled": "5.0.2",
		"history": "4.7.2",
		"qs": "6.5.2",
		"react": "16.6.1",
		"react-apollo": "2.2.4",
		"react-app-rewire-ts-jest": "1.0.17",
		"react-app-rewire-typescript-babel-preset": "3.0.0",
		"react-dom": "16.6.1",
		"react-dom-factories": "1.0.2",
		"react-grid-layout": "0.16.6",
		"react-icons": "3.2.2",
		"react-redux": "5.1.0",
		"react-router": "4.3.1",
		"react-router-dom": "4.3.1",
		"react-scripts": "1.1.5",
		"react-spinners": "0.4.7",
		"react-toastify": "4.4.1",
		"recharts": "1.3.5",
		"reduce-reducers": "0.4.3",
		"redux": "4.0.1",
		"redux-logger": "3.0.6",
		"redux-persist": "5.10.0",
		"redux-persist-transform-encrypt": "2.0.1",
		"redux-saga": "0.16.2",
		"redux-thunk": "2.3.0",
		"styled-components": "4",
		"waait": "1.0.2"
	},
	"devDependencies": {
		"@types/debug": "0.0.31",
		"@types/enzyme": "3.1.15",
		"@types/enzyme-adapter-react-16": "1.0.3",
		"@types/history": "4.7.2",
		"@types/jest": "23.3.9",
		"@types/node": "10.12.4",
		"@types/qs": "6.5.1",
		"@types/react": "16.7.1",
		"@types/react-dom": "16.0.9",
		"@types/react-grid-layout": "0.16.5",
		"@types/react-redux": "6.0.9",
		"@types/react-router": "4.4.1",
		"@types/react-router-dom": "^4.3.0",
		"@types/react-test-renderer": "16.0.3",
		"@types/recharts": "1.1.1",
		"@types/redux-logger": "3.0.6",
		"@types/redux-persist": "4.3.1",
		"@types/redux-saga": "0.10.5",
		"babel-core": "6.26.3",
		"babel-plugin-import": "1.11.0",
		"babel-preset-react-app": "3.1.2",
		"debug": "3.1.0",
		"enzyme": "3.7.0",
		"enzyme-adapter-react-16": "1.7.0",
		"fs-extra": "7.0.1",
		"jest-cli": "20.0.4",
		"jest-expect-message": "1.0.2",
		"jest-html-reporter": "2.4.2",
		"react-app-rewire-less": "2.1.3",
		"react-app-rewire-typescript": "2.0.2",
		"react-app-rewired": "1.6.2",
		"react-test-renderer": "16.6.1",
		"ts-jest": "23.0.1",
		"tslint": "5.11.0",
		"tslint-react": "3.6.0",
		"typescript": "3.1.6",
		"wait-for-expect": "1.0.1",
		"webpack-bundle-analyzer": "3.0.3",
		"webpackbar": "2.6.3",
		"why-did-you-update": "1.0.5"
	}

[abenhamdine]

I confirm 4.4.2 indeed fixed that issue, thx for the quick fix !

[abenhamdine]

I’ll remove the enum from the definition file and provide real constant for that

Sounds good.
As for now, I was able to avoid the issue by setting "skipLibCheck": true in tsconfig.json