.eslintrc.js

module.exports = {
  // https://eslint.org/docs/user-guide/configuring#configuration-cascading-and-hierarchy
  // This option interrupts the configuration hierarchy at this file
  // Remove this if you have an higher level ESLint config file (it usually happens into a monorepos)
  root: true,

  parserOptions: {
    parser: '@babel/eslint-parser',
    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
  },

  env: {
    browser: true,
  },

  // Rules order is important, please avoid shuffling them
  extends: [
    // Base ESLint recommended rules
    // 'eslint:recommended',


    // Uncomment any of the lines below to choose desired strictness,
    // but leave only one uncommented!
    // See https://eslint.vuejs.org/rules/#available-rules
    'plugin:vue/vue3-essential', // Priority A: Essential (Error Prevention)
    // 'plugin:vue/vue3-strongly-recommended', // Priority B: Strongly Recommended (Improving Readability)
    // 'plugin:vue/vue3-recommended', // Priority C: Recommended (Minimizing Arbitrary Choices and Cognitive Overhead)

    'airbnb-base',
  ],

  plugins: [
    // https://eslint.vuejs.org/user-guide/#why-doesn-t-it-work-on-vue-file
    // required to lint *.vue files
    'vue',
  ],

  globals: {
    ga: 'readonly', // Google Analytics
    cordova: 'readonly',
    __statics: 'readonly',
    __QUASAR_SSR__: 'readonly',
    __QUASAR_SSR_SERVER__: 'readonly',
    __QUASAR_SSR_CLIENT__: 'readonly',
    __QUASAR_SSR_PWA__: 'readonly',
    process: 'readonly',
    Capacitor: 'readonly',
    chrome: 'readonly',
  },

  // add your custom rules here
  rules: {
    'no-param-reassign': 'off',

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

    // allow console.log during development only
    'no-console': process.env.NODE_ENV === 'production' ? ['error', { allow: ['info', 'warn', 'error'] }] : 'off',
    // allow debugger during development only
    'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',

    'linebreak-style': 'off',
    'arrow-parens': ['error', 'always'],
    'max-len': ['error', 400],
    'template-curly-spacing': ['error', 'always'],
    'no-underscore-dangle': 'off',
    'no-var': 'error',
    'no-param-reassign': ['error', { 'props': false }],
    indent: 'off',
    'indent-legacy': ['error', 2, {
      SwitchCase: 1,
    }],
    'vue/script-indent': ['error', 2, {
      baseIndent: 0,
      switchCase: 1,
      ignores: [],
    }],
    'vue/max-attributes-per-line': ['error', {
      singleline: 3,
      multiline: 1,
    }],
  },
};