.eslintrc.js

module.exports = {
    settings: {
        react: { version: 'detect' },
        'import/resolver': {
            webpack: {
                config: 'webpack.development.js',
            },
        },
    },
    extends: ['eslint:recommended', 'airbnb-base', 'prettier'],
    plugins: ['react', 'prettier'],
    parserOptions: {
        ecmaVersion: 2022,
        sourceType: 'module',
        ecmaFeatures: {
            jsx: true,
        },
    },
    env: {
        es6: true,
        browser: true,
        jquery: true,
    },
    globals: {
        dom: true,
        findOne: true,
        findAll: true,
        on: true,
        once: true,
        off: true,
        insertAfter: true,
        remove: true,
        show: true,
        hide: true,
        addClass: true,
        hasClass: true,
        toggleClass: true,
        removeClass: true,
        App: true,
        Kernel: true,
        Main: true,
        Bootstrap: true,
        google: true,
        getUrlParameter: true,
        friendlyChallenge: true,
    },
    rules: {
        indent: ['error', 4, { SwitchCase: 1 }],
        quotes: ['error', 'single', { avoidEscape: true }],
        'no-var': ['error'],
        'no-underscore-dangle': 'off',
        semi: ['error', 'always'],
        'no-trailing-spaces': ['error'],
        'eol-last': ['error'],
        yoda: ['error', 'always'],
        'max-len': ['error', { code: 120, ignoreStrings: true }],
        'no-param-reassign': ['off'],
        'no-unused-vars': ['off'],
        'class-methods-use-this': ['off'],
        'arrow-parens': ['error', 'always'],
        'default-case': ['off'],
        'import/no-named-as-default': ['off'],
        'import/no-named-as-default-member': ['off'],
        'comma-dangle': [
            'error',
            {
                arrays: 'always-multiline',
                objects: 'always-multiline',
                imports: 'always-multiline',
                exports: 'always-multiline',
                functions: 'never',
            },
        ],
    },
};