eslint:
module.exports = {
   root: true,
   env: {
      node: true,
   },
   extends: ['plugin:vue/essential', '@vue/airbnb', '@vue/prettier'],
   parserOptions: {
      parser: 'babel-eslint',
   },
   rules: {
      'no-console': process.env.NODE_ENV === 'production' ? 'error' : 'off',
      'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
   },
};


prettier:
{
    "singleQuote": true,
    "trailingComma": "all",
    "printWidth": 100,
    "tabWidth": 3
}

package.json:

{
  "name": "test",
  "version": "0.1.0",
  "private": true,
  "scripts": {
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build",
    "lint": "vue-cli-service lint"
  },
  "dependencies": {
    "axios": "^0.19.2",
    "core-js": "^3.6.4",
    "register-service-worker": "^1.6.2",
    "vue": "^2.6.11",
    "vue-router": "^3.1.5",
    "vuex": "^3.1.2"
  },
  "devDependencies": {
    "@vue/cli-plugin-babel": "^4.2.0",
    "@vue/cli-plugin-eslint": "^4.2.0",
    "@vue/cli-plugin-pwa": "^4.2.0",
    "@vue/cli-plugin-router": "^4.2.0",
    "@vue/cli-plugin-vuex": "^4.2.0",
    "@vue/cli-service": "^4.2.0",
    "@vue/eslint-config-airbnb": "^5.0.2",
    "@vue/eslint-config-prettier": "^6.0.0",
    "babel-eslint": "^10.0.3",
    "eslint": "^6.7.2",
    "eslint-plugin-import": "^2.20.1",
    "eslint-plugin-prettier": "^3.1.2",
    "eslint-plugin-vue": "^6.1.2",
    "prettier": "^1.19.1",
    "sass": "^1.25.0",
    "sass-loader": "^8.0.2",
    "vue-template-compiler": "^2.6.11"
  }
}