.vscode/setting.jsonを以下にして、saveと同時に自動反映

{
  "editor.defaultFormatter": "esbenp.prettier-vscode",
  "editor.formatOnSave": true,
  "editor.codeActionsOnSave": {
    "source.fixAll.eslint": "explicit",
    "source.fixAll.stylelint": "explicit"
  },
  "stylelint.validate": ["css", "javascriptreact"]
}