.eslintrc.js

const { resolve } = require('path');
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,

    // https://eslint.vuejs.org/user-guide/#how-to-use-custom-parser
    // Must use parserOptions instead of "parser" to allow vue-eslint-parser to keep working
    // `parser: 'vue-eslint-parser'` is already included with any 'plugin:vue/**' config and should be omitted
    parserOptions: {
        // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/parser#configuration
        // https://github.com/TypeStrong/fork-ts-checker-webpack-plugin#eslint
        // Needed to make the parser take into account 'vue' files
        extraFileExtensions: ['.vue'],
        parser: '@typescript-eslint/parser',
        project: resolve(__dirname, './tsconfig.json'),
        tsconfigRootDir: __dirname,
        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',

        // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#usage
        // ESLint typescript rules
        'plugin:@typescript-eslint/recommended',
        // consider disabling this class of rules if linting takes too long
        'plugin:@typescript-eslint/recommended-requiring-type-checking',

        // 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/essential', // Priority A: Essential (Error Prevention)
        'plugin:vue/strongly-recommended', // Priority B: Strongly Recommended (Improving Readability)
        // 'plugin:vue/recommended', // Priority C: Recommended (Minimizing Arbitrary Choices and Cognitive Overhead)

        'airbnb-base'

    ],

    plugins: [
        // required to apply rules which need type information
        '@typescript-eslint',

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

    ],

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

    // add your custom rules here
    rules: {
        'no-param-reassign': 'off',
        'indent': ['warn', 4, { "SwitchCase": 1 }],
        'no-void': 'off',
        'no-multiple-empty-lines': 'warn',
        'lines-between-class-members': 'off',
        "no-shadow": "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',
        'import/no-webpack-loader-syntax': 'off',
        'prefer-promise-reject-errors': 'off',
        'max-classes-per-file': 'off',
        'class-methods-use-this': 'off',
        'no-restricted-globals': 'warn',

        // TypeScript
        quotes: ['warn', 'single', { avoidEscape: true }],
        "@typescript-eslint/no-shadow": ["error"],
        '@typescript-eslint/ban-ts-comment': 'off',
        // '@typescript-eslint/explicit-function-return-type': 'off',
        // '@typescript-eslint/explicit-module-boundary-types': 'off',
        // '@typescript-eslint/no-unsafe-call': 'warn',
        // '@typescript-eslint/no-unsafe-member-access': 'off',
        // '@typescript-eslint/no-unsafe-assignment': 'off',

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