(解決)Cannot find type definition file for ~ - 西尾泰和の外部脳

(解決)Cannot find type definition file for ~

https://gyazo.com/dfa7da2134b74fe47ed0b6fe0154b640

@types/...をyarn addしてもダメだった

tsconfig.jsonに"types": ["node"]をつけた

ref

https://stackoverflow.com/questions/54232428/cannot-find-type-definition-file-for-node-in-typescript-react-app