.eslintrc

{
    "env": {
        "browser": true,
        "node": true
    },

    "globals": {
        "$": true,
        "baron": true,
        "jQuery": true
    },

    "rules": {
        /**
         * Possible errors
         */

        // disallow trailing commas in object literals
        "comma-dangle": [2, "never"],

        // disallow assignment in conditional expressions
        "no-cond-assign": [2, "always"],

        // disallow use of constant expressions in conditions
        "no-constant-condition": 2,

        // disallow control characters in regular expressions
        "no-control-regex": 1,

        // disallow use of debugger
        "no-debugger": 2,

        // disallow duplicate arguments in functions (recommended)
        "no-dupe-args": 2,

        // disallow duplicate keys when creating object literals
        "no-dupe-keys": 2,

        // disallow a duplicate case label. (recommended)
        "no-duplicate-case": 2,

        // disallow empty statements
        "no-empty": 2,

        // disallow the use of empty character classes in regular expressions
        "no-empty-character-class": 2,

        // disallow assigning to the exception in a catch block
        "no-ex-assign": 2,

        // disallow double-negation boolean casts in a boolean context
        "no-extra-boolean-cast": 2,

        // disallow unnecessary parentheses (off by default)
        "no-extra-parens": [2, "functions"],

        // disallow overwriting functions written as function declarations
        "no-func-assign": 1,

        // disallow function or variable declarations in nested blocks
        "no-inner-declarations": [2, "functions"],

        // disallow invalid regular expression strings in the RegExp constructor
        "no-invalid-regexp": 2,

        // disallow irregular whitespace outside of strings and comments
        "no-irregular-whitespace": 2,

        // disallow negation of the left operand of an in expression
        "no-negated-in-lhs": 2,

        // disallow the use of object properties of the global object (Math and JSON) as functions
        "no-obj-calls": 2,

        // disallow multiple spaces in a regular expression literal
        "no-regex-spaces": 2,

        // disallow reserved words being used as object literal keys (off by default)
        "no-reserved-keys": 0,

        // disallow sparse arrays
        "no-sparse-arrays": 2,

        // disallow unreachable statements after a return, throw, continue, or break statement
        "no-unreachable": 2,

        // disallow comparisons with the value NaN
        "use-isnan": 2,

        // Ensure JSDoc comments are valid (off by default)
        "valid-jsdoc": 1,

        // Ensure that the results of typeof are compared against a valid string
        "valid-typeof": 2,


        /**
         * Best practices
         */

        // treat var statements as if they were block scoped (off by default)
        "block-scoped-var": 1,

        // require return statements to either always or never specify values
        "consistent-return": 1,

        // specify curly brace conventions for all control statements
        "curly": [2, "multi-line"],

        // require default case in switch statements (off by default)
        "default-case": 1,

        // encourages use of dot notation whenever possible
        "dot-notation": 0,

        // enforces consistent newlines before or after dots
        "dot-location": [2, "property"],

        // require the use of === and !==
        "eqeqeq": 0,

        // disallow the use of alert, confirm, and prompt
        "no-alert": 2,

        // disallow use of arguments.caller or arguments.callee
        "no-caller": 2,

        // disallow division operators explicitly at beginning of regular expression (off by default)
        "no-div-regex": 2,

        // disallow else after a return in an if (off by default)
        "no-else-return": 2,

        // disallow use of labels for anything other then loops and switches
        "no-empty-label": 0,

        // disallow comparisons to null without a type-checking operator (off by default)
        "no-eq-null": 1,

        // disallow use of eval()
        "no-eval": 0,

        // disallow adding to native types
        "no-extend-native": 2,

        // disallow unnecessary function binding
        "no-extra-bind": 2,

        // disallow fallthrough of case statements
        "no-fallthrough": 2,

        // disallow the use of leading or trailing decimal points in numeric literals (off by default)
        "no-floating-decimal": 2,

        // disallow use of eval()-like methods
        "no-implied-eval": 2,

        // disallow usage of __iterator__ property
        "no-iterator": 2,

        // disallow use of labeled statements
        "no-labels": 2,

        // disallow unnecessary nested blocks
        "no-lone-blocks": 2,

        // disallow creation of functions within loops
        "no-loop-func": 2,

        // disallow use of multiple spaces
        "no-multi-spaces": 2,

        // disallow use of multiline strings
        "no-multi-str": 1,

        // disallow reassignments of native objects
        "no-native-reassign": 2,

        // disallow use of new operator when not part of the assignment or comparison
        "no-new": 2,

        // disallow use of new operator for Function object
        "no-new-func": 2,

        // disallows creating new instances of String, Number, and Boolean
        "no-new-wrappers": 2,

        // disallow use of octal literals
        "no-octal": 1,

        // disallow use of octal escape sequences in string literals, such as var foo = "Copyright \251";
        "no-octal-escape": 2,

        // TODO: а не д**** ли будет?
        "no-param-reassign": 1,

        // disallow usage of __proto__ property
        "no-proto": 2,

        // disallow declaring the same variable more then once
        "no-redeclare": 2,

        // disallow use of assignment in return statement
        "no-return-assign": 2,

        // disallow use of javascript: urls.
        "no-script-url": 2,

        // disallow use of comma operator
        "no-sequences": 2,

        // restrict what can be thrown as an exception
        "no-throw-literal": 2,

        // disallow usage of expressions in statement position
        "no-unused-expressions": 2,

        // disallow use of void operator (off by default)
        "no-void": 2,

        // disallow usage of configurable warning terms in comments, e.g. TODO or FIXME (off by default)
        "no-warning-comments": 0,

        // disallow use of the with statement
        "no-with": 2,

        // require use of the second argument for parseInt() (off by default)
        "radix": 2,

        // requires to declare all vars on top of their containing scope (off by default)
        "vars-on-top": 0,

        // require immediate function invocation to be wrapped in parentheses (off by default)
        "wrap-iife": [2, "outside"],

        // require or disallow Yoda conditions
        "yoda": [2, "never"],


        /**
         * Strict mode
         */

        // (deprecated) require or disallow the "use strict" pragma in the global scope (off by default in the node environment)
        "global-strict": 0,

        // (deprecated) disallow unnecessary use of "use strict"; when already in strict mode
        "no-extra-strict": 0,

        // controls location of Use Strict Directives
        "strict": 0,

        /**
         * Variables
         */

        // disallow the catch clause parameter name being the same as a variable in the outer scope (off by default in the node environment)
        "no-catch-shadow": 2,

        // disallow deletion of variables
        "no-delete-var": 2,

        // disallow labels that share a name with a variable
        "no-label-var": 2,

        // disallow declaration of variables already declared in the outer scope
        "no-shadow": 1,

        // disallow shadowing of names such as arguments
        "no-shadow-restricted-names": 2,

        // disallow use of undeclared variables unless mentioned in a /*global */ block
        "no-undef": 2,

        // disallow use of undefined when initializing variables
        "no-undef-init": 2,

        // disallow declaration of variables that are not used in the code
        "no-unused-vars": [2, {
            "vars": "all"
        }],

        // disallow use of variables before they are defined
        "no-use-before-define": [2, "nofunc"],


        /**
         * Node.js
         */

        // enforces error handling in callbacks (off by default) (on by default in the node environment)
        "handle-callback-err": 0,

        // disallow mixing regular variable and require declarations (off by default) (on by default in the node environment)
        "no-mixed-requires": 1,

        // disallow use of new operator with the require function (off by default) (on by default in the node environment)
        "no-new-require": 2,

        // disallow string concatenation with __dirname and __filename (off by default) (on by default in the node environment)
        "no-path-concat": 2,

        // disallow process.exit() (on by default in the node environment)
        "no-process-exit": 2,

        // restrict usage of specified node modules (off by default)
        "no-restricted-modules": 0,

        // disallow use of synchronous methods (off by default)
        "no-sync": 0,


        /**
         * Stylistic Issues
         */

        // enforce one true brace style (off by default)
        "brace-style": [2, "1tbs"],

        // require camel case names
        "camelcase": [2, {
            "properties": "never"
        }],

        // enforce spacing before and after comma
        "comma-spacing": [2, {
            "before": false,
            "after": true
        }],

        // enforce one true comma style (off by default)
        "comma-style": [2, "last"],

        // enforces consistent naming when capturing the current execution context (off by default)
        "consistent-this": 0,

        // enforce newline at the end of file, with no multiple empty lines
        "eol-last": 2,

        // require function expressions to have a name (off by default)
        "func-names": 0,

        // enforces use of function declarations or expressions (off by default)
        "func-style": 0,

        // specify tab or space width for your code
        "indent": [2, 4, {
            SwitchCase: 1
        }],

        // enforces spacing between keys and values in object literal properties
        "key-spacing": [2, {
            "beforeColon": false,
            "afterColon": true
        }],

        // enforce empty lines around comments
        "lines-arond-comment": 0,

        // disallow mixed 'LF' and 'CRLF' as linebreaks
        "linebreak-style": [2, "unix"],

        // specify the maximum depth callbacks can be nested (off by default)
        "max-nested-callbacks": [2, 7],

        // require a capital letter for constructors
        "new-cap": 2,

        // disallow the omission of parentheses when invoking a constructor with no arguments
        "new-parens": 2,

        // require or disallow an empty newline after variable declarations
        "newline-after-var": [2, "always"],

        // disallow use of the Array constructor
        "no-array-constructor": 2,

        // disallow use of the continue statement
        "no-continue": 0,

        // disallow comments inline after code (off by default)
        "no-inline-comments": 0,

        // disallow if as the only statement in an else block (off by default)
        "no-lonely-if": 2,

        // disallow mixed spaces and tabs for indentation
        "no-mixed-spaces-and-tabs": 2,

        // disallow multiple empty lines (off by default)
        "no-multiple-empty-lines": [2, {
            "max": 2
        }],

        // disallow nested ternary expressions (off by default)
        "no-nested-ternary": 2,

        // disallow use of the Object constructor
        "no-new-object": 2,

        // disallow space between function identifier and application
        "no-spaced-func": 2,

        // disallow the use of ternary operators (off by default)
        "no-ternary": 0,

        // disallow trailing whitespace at the end of lines
        "no-trailing-spaces": 2,

        // disallow dangling underscores in identifiers
        "no-underscore-dangle": 0,

        // disallow the use of Boolean literals in conditional expressions
        "no-unneeded-ternary": 2,

        // require or disallow padding inside curly braces
        "object-curly-spacing": 0,

        // require or disallow one variable declaration per function
        "one-var": 0,

        // allow just one var statement per function (off by default)
        "operator-assignment": [2, "always"],

        // require assignment operator shorthand where possible or prohibit it entirely (off by default)
        "operator-linebreak": [2, "after"],

        // enforce padding within blocks
        "padded-blocks": [2, "never"],

        // enforce padding within blocks (off by default)
        "quote-props": [1, "as-needed"],

        // require quotes around object literal property names (off by default)
        "quotes": [2, "single", "avoid-escape"],

        // require or disallow use of semicolons instead of ASI
        "semi": [2, "never"],

        // require or disallow use of semicolons instead of ASI
        "sort-vars": 0,

        // sort variables within the same declaration block (off by default)
        "space-before-function-paren": [2, "never"],

        // require a space after function names (off by default)
        "keyword-spacing": 2,

        // require a space after certain keywords (off by default)
        "space-before-blocks": [2, "always"],

        // require or disallow space before blocks (off by default)
        "space-in-parens": 0,

        // require or disallow spaces inside parentheses (off by default) TODO: разобрать дополнительно
        "space-infix-ops": 2,

        // require a space after return, throw, and case
        "space-unary-ops": [2, {
            "words": true,
            "nonwords": false
        }],

        // Require or disallow spaces before/after unary operators (words on by default, nonwords off by default)
        "spaced-comment": [2, "always"],

        // require or disallow a space immediately following the // in a line comment (off by default)
        "wrap-regex": 0,


        /**
         * ECMAScript 2015
         */

        // require parens in arrow function arguments
        "arrow-parens": [2, "as-needed"],

        // require space before/after arrow function's arrow
        "arrow-spacing": [2, {
            "before": true,
            "after": true
        }],

        // verify calls of super() in constructors
        "constructor-super": 2,

        // enforce the position of the * in generator functions (off by default)
        "generator-star-spacing": 0,

        // disallow modifying variables of class declarations
        "no-class-assign": 2,

        // disallow modifying variables that are declared using const
        "no-const-assign": 2,

        // disallow duplicate name in class members
        "no-dupe-class-members": 2,

        // require let or const instead of var (off by default)
        "no-var": 0
    }
}