.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,
  
  rules: {
    'vue/no-deprecated-slot-attribute': 'off',
  },

  "parser": "vue-eslint-parser",
  parserOptions: {
    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
    parser: { //attempt to speed up runtime using TS when coding
      "ts":'@typescript-eslint/parser',
      "<template>": "espree"
    },
    requireConfigFile: false,
    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)

    // 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-file
    // 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'
  }
};