Eslint + Prettier + Vue v2

.eslintignore

/.yarn/**
/dist/**
/node_modules/**

.eslintrc.js

require('@rushstack/eslint-patch/modern-module-resolution');

module.exports = {
  root: true,
  env: {
    node: true,
  },
  extends: ['plugin:vue/essential', 'plugin:prettier/recommended', '@vue/eslint-config-prettier'],
  rules: {
    'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'warn', // TODO: turn error on production
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
  },
};

.prettierignore

/.yarn/**
/dist/**
/node_modules/**

.prettierrc.js

module.exports = {
  singleQuote: true,
  semi: true,
  printWidth: 250,
  trailingComma: 'es5',
};

package.json

{
  "private": true,
  "scripts": {
    "lint": "NODE_ENV=production eslint .",
    "lint:fix": "NODE_ENV=production eslint . --fix",
    "format": "prettier --write .",
    "format:check": "prettier --check ."
  },
  "dependencies": {
  },
  "devDependencies": {
    "@rushstack/eslint-patch": "^1.1.3",
    "@vue/eslint-config-prettier": "^7.0.0",
    "eslint": "^8.13.0",
    "eslint-plugin-vue": "^8.6.0",
    "prettier": "^2.6.2"
  }
}