eslint : vscode formatOnSave

.vscode/setting.json

{
  "eslint.validate": [
    "javascript",
    "javascriptreact",
    "typescript",
    "typescriptreact"
  ],
  "editor.codeActionsOnSave": {
    "source.fixAll.eslint": true,
  },
}

 

하고 formatOnSave하니깐 잘됨 

참고한 링크 : 

How to Format Code on Save in VS Code with ESlint | Aleksandr Hovhannisyan