.eslintrc.js

module.exports = {
  root: true,

  parserOptions: {
    parser: 'babel-eslint',
    sourceType: 'module',
  },

  env: {
    node: true,
    browser: true,
  },

  extends: [
    // https://eslint.vuejs.org/rules/#priority-a-essential-error-prevention
    // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules.
    'plugin:vue/essential',
    'prettier',
    'eslint:recommended',
  ],

  // required to lint *.vue files
  plugins: ['vue', 'import'],

  globals: {
    ga: true, // Google Analytics
    cordova: true,
    __statics: true,
    process: true,
    Capacitor: true,
    chrome: true,
  },

  // add your custom rules here
  rules: {
    // allow async-await
    'generator-star-spacing': 'off',
    // allow paren-less arrow functions
    'arrow-parens': 'off',
    'one-var': 'off',
    'no-var': 'error',
    'no-implicit-globals': 'error',
    'block-scoped-var': 'error',
    'vars-on-top': 'error',
    'guard-for-in': 'error',

    'import/first': 'off',
    'import/namespace': 'error',
    'import/default': 'error',
    'import/export': 'error',
    'import/extensions': 'off',
    'import/no-unresolved': 'off',
    'import/no-extraneous-dependencies': 'off',
    'prefer-promise-reject-errors': 'off',

    // allow debugger during development only
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',

    // random rules added
    'no-undef': 'off',
    'no-unused-vars': 'off',
  },
}