.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: require.resolve("@typescript-eslint/parser"),
    ecmaVersion: "2021", // Allows for the parsing of modern ECMAScript features
  },

  env: {
    browser: true,
    "vue/setup-compiler-macros": 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)

    // https://github.com/prettier/eslint-config-prettier#installation
    // usage with Prettier, provided by 'eslint-config-prettier'.
    "prettier",
  ],

  plugins: [
    // https://eslint.vuejs.org/user-guide/#why-doesn-t-it-work-on-vue-files
    // required to lint *.vue files
    "vue",

    // https://github.com/typescript-eslint/typescript-eslint/issues/389#issuecomment-509292674
    // Prettier has not been included as plugin to avoid performance impact
    // add it as an extension for your IDE
  ],

  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: {
    "prefer-promise-reject-errors": "off",

    // allow debugger during development only
    "no-debugger": process.env.NODE_ENV === "production" ? "error" : "off",
  },
  overrides: [
    {
      files: ["**/*.{js,ts}"],
      // If the `script` part of a Vue component is stored in a separate JS/TS file,
      // as is the case when using DFC (https://testing.quasar.dev/packages/unit-jest/#double-file-components-dfc),
      // Vue ESLint plugin will highlight all public properties as unused
      // as it's not able to detect their usage into the template
      // We disable this rule and only keep it for Vue files
      rules: { "vue/no-unused-properties": "off" },
    },
  ],
};