.eslintrc.js

module.exports = {
  root: true,
  env: {
    browser: true,
    node: true,
    jest: true
  },
  parserOptions: {
    parser: 'babel-eslint'
  },
  extends: [
    'eslint:recommended',
    // https://github.com/vuejs/eslint-plugin-vue#priority-a-essential-error-prevention
    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
    'plugin:vue/recommended',
    'plugin:prettier/recommended'
  ],
  // required to lint *.vue files
  plugins: ['vue', 'prettier'],
  // add your custom rules here
  rules: {
    semi: [2, 'never'],
    'no-console': 'off',
    'vue/max-attributes-per-line': 'off',
    'vue/html-self-closing': [
      'error',
      {
        html: {
          void: 'always'
        }
      }
    ],
    'prettier/prettier': ['error', { semi: false, singleQuote: true }]
  }
}