eslint-config-flickr/index.js

Flickr's cool eslint config

// Copyright 2021 SmugMug, Inc.
// Licensed under the terms of the MIT license. Please see LICENSE file in the project root for terms.

module.exports = {
  extends: 'eslint:recommended',

  rules: {
    'block-scoped-var': 'error',
    'block-spacing': 'error',
    'brace-style': ['error', '1tbs', {allowSingleLine: true}],
    'camelcase': ['error', {properties: 'never'}],
    'comma-spacing': 'error',
    'comma-style': 'error',
    'computed-property-spacing': 'error',
    'curly': 'error',
    'eol-last': 'error',
    'eqeqeq': 'error',
    'key-spacing': 'error',
    'keyword-spacing': 'error',
    'linebreak-style': 'error',
    'max-depth': ['error', 2 + 3],
    'max-params': ['error', Math.pow(2, 3)],
    'newline-after-var': 'error',
    'no-array-constructor': 'error',
    'no-bitwise': 'error',
    'no-caller': 'error',
    'no-console': 'warn',
    'no-eq-null': 'error',
    'no-eval': 'error',
    'no-invalid-this': 'error',
    'no-iterator': 'error',
    'no-lonely-if': 'error',
    'no-loop-func': 'error',
    'no-mixed-spaces-and-tabs': ['error', 'smart-tabs'],
    'no-multi-spaces': 'error',
    'no-multi-str': 'error',
    'no-multiple-empty-lines': 'error',
    'no-nested-ternary': 'error',
    'no-new': 'error',
    'no-new-func': 'error',
    'no-new-object': 'error',
    'no-new-wrappers': 'error',
    'no-proto': 'error',
    'no-prototype-builtins': 'off',
    'no-redeclare': ['error', { 'builtinGlobals': false }],
    'no-restricted-globals': ['error', 'event', 'self'],
    'no-script-url': 'error',
    'no-self-assign': ['error', { 'props': false }],
    'no-sequences': 'error',
    'no-shadow': 'error',
    'no-spaced-func': 'error',
    'no-throw-literal': 'error',
    'no-trailing-spaces': 'error',
    'no-undef': 'error',
    'no-unneeded-ternary': 'error',
    'no-unused-expressions': 'error',
    'no-unused-vars': ['error', {args: 'none'}],
    'no-use-before-define': 'error',
    'no-useless-catch': 'off',
    'no-useless-escape': 'error',
    'no-whitespace-before-property': 'error',
    'operator-linebreak': 'error',
    'quote-props': ['error', 'as-needed'],
    // TODO re-enable when eslint/eslint#6238 is resolved
    // @see https://github.com/eslint/eslint/issues/6238
    // 'require-jsdoc': 'error',
    'semi': 'error',
    'semi-spacing': 'error',
    'space-before-blocks': 'error',
    'space-before-function-paren': ['error', {anonymous: 'always', named: 'never'}],
    'space-in-parens': 'error',
    'space-infix-ops': 'error',
    'space-unary-ops': 'error',
    'spaced-comment': ['error', 'always', {block: {markers: ['!']}}],
    // TODO re-enable when eslint/eslint#6238 is resolved
    // @see https://github.com/eslint/eslint/issues/6238
    // 'valid-jsdoc': ['error', {requireReturnDescription: false}],
    'vars-on-top': 'error',
    'wrap-iife': 'error'
  }
};