.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,
  parser: 'vue-eslint-parser',
  parserOptions: {
    project: ['tsconfig.json'],
    extraFileExtensions: ['.vue', '.ts', '.js'],
    parser: '@typescript-eslint/parser',
    // parser: 'babel-eslint',
    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
  },

  env: {
    browser: true,
  },

  extends: [
    // Rules order is important, please avoid shuffling them
    'plugin:vue/vue3-recommended',
    'plugin:@typescript-eslint/recommended',
    'eslint:recommended',
    'prettier',
    'plugin:prettier/recommended',

    // Rules order is important, please avoid shuffling them
    // 'plugin:@typescript-eslint/eslint-recommended',
    // 'plugin:@typescript-eslint/recommended',
    // 'eslint:recommended',
    // "plugin:vue/vue3-recommended",
    // "prettier",
    // // Base ESLint recommended rules
    // 'plugin:vue/vue3-essential',
    // 'airbnb-base',
    // "airbnb-typescript",
    // 'prettier',
    // // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#usage
    // // ESLint typescript rules
    // 'plugin:@typescript-eslint/eslint-recommended',
    // 'plugin:@typescript-eslint/recommended',
    // // consider disabling this class of rules if linting takes too long
    // // 'plugin:@typescript-eslint/recommended-requiring-type-checking',
    // // https://eslint.vuejs.org/rules/#priority-a-essential-error-prevention
    // // consider switching to `plugin:vue/strongly-recommended` or `plugin:vue/recommended` for stricter rules
    // // --- ONLY WHEN USING PRETTIER ---
    // // https://github.com/prettier/eslint-config-prettier#installation
    // // usage with Prettier, provided by 'eslint-config-prettier'.
    // 'eslint:recommended',
    // // this two has been merged with prettier in version 8.0.0
    // // 'prettier/@typescript-eslint', // merged with prettir in v8
    // // 'prettier/vue', // merged with prettir in v8
  ],

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

  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-unused-vars': 'off',
    '@typescript-eslint/no-unused-vars': ['error'],
    'vue/no-mutating-props': ['warn'],
    'vue/no-v-html': 'off',
    // 'prettier/prettier': ['error'],
    // 'no-param-reassign': 'off',
    // 'no-void': 'off',
    // 'no-nested-ternary': 'off',
    // 'max-classes-per-file': '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/prefer-default-export': 'off',
    // 'prefer-promise-reject-errors': 'off',
    // 'no-tabs': 'off',
    // 'max-len': [
    //   'off',
    //   {
    //     code: 150,
    //   },
    // ],
    // 'vue/no-mutating-props': 'warn',
    // 'no-restricted-syntax': 'off',
    // 'object-curly-newline': 'off',
    // 'no-unused-vars': 'off',
    // 'operator-linebreak': 'off',
    // 'vue/require-v-for-key': 'warn',
    // 'guard-for-in': 'warn',
    // 'no-continue': 'warn',
    // 'new-cap': 'warn',
    // 'no-cond-assign': 'warn',
    // 'no-use-before-define': 'warn',
    // 'import/no-mutable-exports': 'warn',
  },
};