.eslintrc

{
  "extends": "airbnb",
  "plugins": [],
  "globals": {},
  "env": {
    "browser": true,
    "node": true
  },
  "rules": {
    // 4 spaces indentation
    "indent": ["error", 4, { "SwitchCase": 1, "VariableDeclarator": 1 }],
    // return should be without assign action,
    // but it's not good in cases like the following one:
    // setProperty = (newValue) => property = newValue;
    "no-return-assign": 0,
    // Max line lingth
    "max-len": ["error", 120],
    // Allowing overrriding variables.
    // For example in: tests (using `done`), object destructuring
    "no-shadow": 0,
    // You can use "fat arrow" without parenthesis for variables:
    // someArray.filter(item => item.done);
    "arrow-body-style": 0,
    // I use spaces whe importing variables from modules
    // import { loadProjects } from './projects';
    "object-curly-spacing": 0,
    // No reassigning function parameters
    "no-param-reassign": ["error", { "props": false }],
    // Do not declare unused exprssions
    "no-unused-expressions": ["error", { "allowShortCircuit": true }],
    // You can use `swith` without `default`
    "default-case": 0,
    // Empty string in object decalration
    // There is no need in such rule
    "padded-blocks": 0,
    // Don't use quotes in objects properties names. only when you should use it
    "quote-props": ["error", "as-needed", {
      "keywords": true
    }],
    // Consistency in what function is returnig
    "consistent-return": ["warn"],
    // You can't use variables before definition.
    // Functions are exception in his rule, case of hoisting
    "no-use-before-define": ["error", { "functions": false }],
    // In some cases "fat arrow" looks like comparison operator (>, <, <=, and >=)
    // But I don't see how it's a problem
    "no-confusing-arrow": 0,
    // Write IIFE with parenthesis and not some wired shit
    "wrap-iife": ["error", "inside"],
    // Disallowing some language features:
    // Do not leave command `debugger` in your code
    // Do not use `with`
    "no-restricted-syntax": [
      "error",
      "DebuggerStatement",
      "WithStatement"
    ],
    "func-names": 0,
    // No space before function parenthesis
    "space-before-function-paren": ["error", "never"],
    // After key operators (if, else, for, etc) should be at least one space
    "keyword-spacing": ["error", {"overrides": {
      "catch": { "after": true }
    }}],
    "no-case-declarations": 0,
    "no-console": ["error", { "allow": ["warn", "error"] }],
    // You're not obligated to declare variables in the beginning of the function
    "vars-on-top": 0,
    // Use underscore to mark "private" methods
    "no-underscore-dangle": 0,
    // Don't use spaces before or after unary operators: !, !!, ++, --, ~
    "space-unary-ops": ["error"],
    // Operator should be used before new line
    "operator-linebreak": ["error", "after"],
    // You have 2 optionsl names for context variables: "that", "self"
    "consistent-this": ["error", "that", "self"],
    // Не проверяем на первую заглавную букву на свойствах объектов
    // иначе использование $.Deferred(); будет считаться ошибкой
    "new-cap": ["error", {
      "properties": false
    }],
    // require can be used not oly in the beginning of the file
    "global-require": 0,
    // It's not required to move each chain element to new line
    "newline-per-chained-call": 0,
    // Only warn if there is no check for hasOwnProperty inside `for in`
    "guard-for-in": ["warn"],
    // Warning if there is empty block
    "no-empty": ["warn"],
    "no-prototype-builtins": 0,

    // ********** Import **********
    // Requiring of images and styles
    "import/no-unresolved": 0,
    // I don't prefer default export
    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/prefer-default-export.md
    "import/prefer-default-export": 0,
    // You can import devDependencies, as well as dependencies, there is no problems with it
    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-extraneous-dependencies.md
    "import/no-extraneous-dependencies": 0,

    // ********** React ************
    "react/prop-types": 0,
    "react/jsx-indent": ["error", 4],
    "react/jsx-indent-props": 0,
    "react/jsx-first-prop-new-line": 0,
    "react/jsx-closing-bracket-location": 0,
    "react/prefer-stateless-function": 0,
    "jsx-quotes": ["error", "prefer-single"],
    "react/no-did-mount-set-state": 0,
    "react/jsx-pascal-case": 0,
    "react/jsx-no-bind": 0
  }
}