.eslintrc.js

module.exports = {
    env: {
        browser: true,
        es2021: true,
        webextensions: true,
        jest: true,
    },
    extends: [
        'eslint:recommended',
        'plugin:react/recommended',
        'prettier',
        'standard',
    ],
    parser: '@typescript-eslint/parser',
    parserOptions: {
        ecmaFeatures: {
            jsx: true,
        },
        ecmaVersion: 'latest',
        sourceType: 'module',
    },
    plugins: [
        'react',
        '@typescript-eslint',
        'eslint-plugin-prettier',
        'simple-import-sort',
    ],
    settings: {
        react: {
            version: 'detect',
        },
        'import/extensions': ['.js', '.jsx', '.ts', '.tsx'],
        'import/parsers': {
            '@typescript-eslint/parser': ['.ts', '.tsx'],
        },
        'import/resolver': {
            node: {
                extensions: ['.js', '.jsx', '.ts', '.tsx'],
            },
        },
    },
    globals: {
        React: true,
        google: true,
        mount: true,
        mountWithRouter: true,
        shallow: true,
        shallowWithRouter: true,
        context: true,
        expect: true,
        jsdom: true,
        JSX: true,
    },
    rules: {
        'prettier/prettier': [
            'error',
            {
                endOfLine: 'auto',
            },
        ],
        indent: 0,
        camelcase: 0,
        'comma-dangle': 0,
        'space-before-function-paren': 0,
        'react/react-in-jsx-scope': 0,
        'no-use-before-define': 'off',
        '@typescript-eslint/no-use-before-define': ['error'],
        'multiline-ternary': 0,
        'no-unused-vars': 'off',
        '@typescript-eslint/no-unused-vars': 'error',
        'simple-import-sort/imports': 'error',
        'simple-import-sort/exports': 'error',
    },
}