.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,
        'jest/globals': 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/strongly-recommended', // Priority B: Strongly Recommended (Improving Readability)
        'plugin:vue/recommended', // Priority C: Recommended (Minimizing Arbitrary Choices and Cognitive Overhead)
        'standard'
    ],

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

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

    // add your custom rules here
    rules: {
        // allow async-await
        'generator-star-spacing': 'off',
        // allow paren-less arrow functions
        'arrow-parens': 'off',
        'one-var': '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',
        'prefer-promise-reject-errors': 'off',
        'no-tabs': 'error',
        'no-trailing-spaces': 'error',
        // allow debugger during development only
        'no-debugger': process.env.NODE_ENV === 'production' ? 'error' : 'off',
        // eslint-disable-next-line quote-props
        'indent': ['error', 4],
        'vue/script-indent': ['error', 4],
        'vue/html-indent': ['error', 4]
    },
    overrides: [
        {
            files: ['*.vue'],
            rules: {
                indent: 'off'
            }
        }
    ]
}