.eslintrc

{
    'extends': 'eslint:recommended',
    'globals': {
        'window': 'writable',
        'document': 'writable'
    },
    'rules': {
        'no-unused-vars': ['warn', { 'vars': 'all', 'args': 'after-used', 'ignoreRestSiblings': false }],
        'no-console' : 'warn',
        'arrow-body-style': 'error',
        'arrow-parens': 'error',
        'arrow-spacing': 'error',
        'guard-for-in': 'error',
        'generator-star-spacing': 'error',
        'import/prefer-default-export': 'off',
        'no-duplicate-imports': 'error',
        'no-param-reassign': 'off',
        'no-restricted-globals': 'warn',
        'no-underscore-dangle': 'off',
        'no-useless-computed-key': 'error',
        'no-useless-constructor': 'error',
        'no-useless-rename': 'error',
        'no-var': 'error',
        'object-shorthand': 'error',
        'prefer-arrow-callback': 'error',
        'prefer-const': 'off',
        'prefer-destructuring': 'off',
        'prefer-object-spread': 'off',
        'prefer-rest-params': 'error',
        'prefer-spread': 'error',
        'prefer-template': 'error',
        'rest-spread-spacing': 'error',
        'semi': ['error', 'never', {'beforeStatementContinuationChars': 'never'}],
        'semi-spacing': ['error', {'after': true, 'before': false}],
        'semi-style': ['error', 'first'],
        'no-extra-semi': 'error',
        'no-unexpected-multiline': 'error',
        'no-unreachable': 'error',
        'template-curly-spacing': 'error',
        'yield-star-spacing': 'error'
    },
    'env': {
        'es6': true,
        'browser': true
    },
    'parserOptions': {
        'sourceType': 'module',
        'ecmaVersion': 2018
    }
}