.eslintrc.js

module.exports = {
    root: true,
    env: {
        node: true,
        jest: true
    },
    extends: ['prettier'],
    parserOptions: {
        parser: '@babel/eslint-parser',
        requireConfigFile: false,
        babelOptions: {
            parserOpts: {
                plugins: ['typescript']
            }
        }
    },
    plugins: ['prettier'],
    ignorePatterns: ['**/dist/**'],
    rules: {
        'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
        'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
        'no-fallthrough': 'off',
        'padding-line-between-statements': [
            'error',
            { blankLine: 'always', prev: ['const', 'let', 'var'], next: '*' },
            { blankLine: 'any', prev: ['const', 'let', 'var'], next: ['const', 'let', 'var'] },
            { blankLine: 'any', prev: ['case', 'default'], next: 'break' },
            { blankLine: 'any', prev: 'case', next: 'case' },
            { blankLine: 'always', prev: '*', next: 'return' },
            { blankLine: 'always', prev: 'block', next: '*' },
            { blankLine: 'always', prev: '*', next: 'block' },
            { blankLine: 'always', prev: 'block-like', next: '*' },
            { blankLine: 'always', prev: '*', next: 'block-like' },
            { blankLine: 'always', prev: ['import'], next: ['const', 'let', 'var'] }
        ]
    }
};