.eslintrc

{
	"parser": "babel-eslint",
	"env": {
		"browser": true,
		"node": true,
		"es6": true,
		"mocha": true
	},
	"ecmaFeatures": {
		"modules": true,
		"classes": true,
		"jsx": true
	},
	"plugins": [
		"react"
	],
	"rules": {  // http://eslint.org/docs/rules/
		// Possible errors
		"no-cond-assign": [2, "always"],  // Disallow assignment in conditional expressions
		"no-console": 0,  // Allow use of console
		"no-constant-condition": 1,  // Disallow use of constant expressions in conditions
		"no-control-regex": 2,  // Disallow Controls Characters in Regular Expressions
		"no-debugger": 1,  // Disallow use of debugger
		"no-dupe-keys": 2,  // Disallow duplicate keys
		"no-duplicate-case": 2,  // Disallow a duplicate case label
		"no-empty-character-class": 2,  // Disallow empty character classes in regular expressions
		"no-empty": 1,  // Disallow empty statements
		"no-ex-assign": 1,  // Disallow assigning to the exception in a catch block
		"no-extra-boolean-cast": 2,  // Disallow double-negation boolean casts in a boolean context
		"no-extra-semi": 2,  // Disallow unnecessary semicolons
		"no-func-assign": 2,  // Disallow overwriting functions written as function declarations
		"no-inner-declarations": [2, "functions"],
		"no-invalid-regexp": 2,  // Disallow invalid regular expression strings in the RegExp constructor
		"no-irregular-whitespace": 2,  // Disallow irregular whitespace outside of strings and comments
		"no-negated-in-lhs": 2,  // Disallow negation of the left operand of an in expression
		"no-regex-spaces": 2,  // Disallow multiple spaces in a regular expression literal
		"no-sparse-arrays": 2,  // Disallow sparse arrays
		"no-unreachable": 1,  // Disallow unreachable statements after a return, throw, continue, or break statement
		"use-isnan": 2,  // Disallow comparisons with the value NaN
		"valid-jsdoc": [1, {  // Ensure JSDoc comments are valid
			"requireReturnDescription": false,
			"requireReturn": false
		}],
		"valid-typeof": 2,  // Ensure that the results of typeof are compared against a valid string
		"no-unexpected-multiline": 1,  // Avoid code that looks like two expressions but is actually one

		// Best practices
		"block-scoped-var": 1,  // Treat var statements as if they were block scoped
		"consistent-return": 1,  // Require return statements to either always or never specify values
		"curly": [2, "all"],  // Require curly braces for all control statements
		"dot-notation": 1,  // encourages use of dot notation whenever possible
		"eqeqeq": [2, "allow-null"],  // Require the use of === and !==
		"no-alert": 1,  // Disallow the use of alert, confirm, and prompt
		"no-eval": 2,  // Disallow use of eval()
		"no-extend-native": 2,  // Disallow adding to native types
		"no-extra-bind": 2,  // Disallow unnecessary function binding
		"no-fallthrough": 0,  // Disallow fallthrough of case statements
		"no-implicit-coercion": [2, {  // Disallow the type conversion with shorter notations for numbers and strings
			"boolean": false,
			"number": true,
			"string": true
		}],
		"no-implied-eval": 2,  // Disallow use of eval()-like methods
		"no-labels": 2,  // Disallow use of labeled statements
		"no-loop-func": 2,  // Disallow creation of functions within loops
		"no-multi-spaces": [1, {"exceptions": {  // Disallow use of multiple spaces
			"Property": false
		}}],
		"no-multi-str": 2,  // Disallow use of multiline strings
		"no-native-reassign": 2,  // Disallow reassignments of native objects
		"no-new-func": 2,  // Disallow use of new operator for Function object
		"no-new-wrappers": 1,  // Disallows creating new instances of String,Number, and Boolean
		"no-new": 0,  // Allow use of new operator when not part of the assignment or comparison
		"no-octal": 2,  // Disallow use of octal literals
		"no-redeclare": 2,  // Disallow declaring the same variable more than once
		"no-return-assign": 2,  // Disallow use of assignment in return statement
		"no-self-compare": 2,  // Disallow comparisons where both sides are exactly the same
		"no-sequences": 1,  // Disallow use of comma operator
		"no-throw-literal": 2,  // Restrict what can be thrown as an exception
		"no-unused-expressions": 1,  // Disallow usage of expressions in statement position
		"no-void": 2,  // Disallow use of void operator (off by default)
		"no-with": 2,  // Disallow use of the with statement
		"prefer-spread": 2,  // Suggest using the spread operator instead of .apply()
		"radix": 2,  // Require use of the second argument for parseInt()
		"wrap-iife": [1, "outside"],  // Require immediate function invocation to be wrapped in parentheses
		"yoda": [2, "never", {  // Disallow Yoda conditions
			"exceptRange": true
		}],

		// Variables
		"no-delete-var": 2,  // Disallow deletion of variables
		"no-shadow-restricted-names": 2,  // Disallow shadowing of names such as arguments
		"no-shadow": [1, {"hoist": "functions"}],  // Disallow declaration of variables already declared in the outer scope
		"no-undef": 2,  // Disallow use of undeclared variables unless mentioned in a /*global */ block
		"no-unused-vars": 1,  // Disallow declaration of variables that are not used in the code

		// Stylistic issues
		"array-bracket-spacing": [1, "never"],  // Disallow spaces inside of brackets
		"brace-style": [1, "stroustrup", {  // Stroustrup brace style (else on a separate line)
			"allowSingleLine": false
		}],
		"camelcase": [1, {  // Require camel case names except properties
			"properties": "never"
		}],
		"comma-spacing": [1, {  // No space before comma, space after coma
			"before": false,
			"after": true
		}],
		"comma-style": [1, "last"],  // Do not start line with comma
		"computed-property-spacing": [1, "never"],  // Disallow padding inside computed properties
		"eol-last": 0,  // Do not require file to end with single newline
		"indent": [1, "tab", {  // Tabs indentation
			"SwitchCase": 1
		}],
		"key-spacing": [2, {  // No space before colon, space after colon
			"beforeColon": false,
			"afterColon": true
		}],
		"lines-around-comment": 0,  // Do not require new line before comments
		"linebreak-style": [2, "unix"],  // Unix linebreaks
		"max-nested-callbacks": [1, 3],  // No more than 3 levels of nested callbacks
		"new-cap": 0,  // Do not require capital letter for constructors
		"new-parens": 2,  // Disallow the omission of parentheses when invoking a constructor with no arguments
		"no-lonely-if": 1,  // Disallow if as the only statement in an else block
		"no-mixed-spaces-and-tabs": 1,  // Disallow mixed spaces and tabs for indentation
		"no-multiple-empty-lines": [1, {  // No more than 2 empty lines
			"max": 2
		}],
		"no-nested-ternary": 1,  // Disallow nested ternary expressions
		"no-new-object": 1,  // Disallow use of the Object constructor
		"no-spaced-func": 1,  // Disallow space between function identifier and application
		"no-trailing-spaces": 1,  // Disallow trailing whitespace at the end of lines
		"no-underscore-dangle": 0,  // Allow dangling underscores in identifiers
		"no-unneeded-ternary": 1,  // Disallow the use of Boolean literals in conditional expressions
		"no-useless-concat": 1,  // Disallow unncessary concatenation of strings
		"operator-assignment": [1, "always"],  // Require assignment operator shorthand where possible
		"operator-linebreak": [2, 'after', {  // Operators should be placed before line breaks
			overrides: {
				'?': 'before',
				':': 'before',
			},
		}],
		"quote-props": 0,  // Do not require quotes around object literal property names
		"quotes": [1, "single", "avoid-escape"],  // Single quotes
		"semi-spacing": [1, {  // No space before semicolon, space after semicolon
			"before": false,
			"after": true
		}],
		"semi": [2, "always"],  // Require use of semicolons
		"space-after-keywords": [1, "always"],  // Require space after keywords (if, else, etc.)
		"space-before-blocks": [1, "always"],  // Require space after blocks
		"space-before-function-paren": [1, {  // Disallow space before function opening parenthesis
			"anonymous": "never",
			"named": "never"
		}],
		"space-in-parens": [1, "never"],  // Disallow spaces inside parentheses
		"space-infix-ops": 1,  // Require spaces around operators
		"space-return-throw-case": 1,  // Require space after return, throw, and case
		"space-unary-ops": [1, {  // Require spaces before/after unary operators
			"words": true,
			"nonwords": false
		}],
		"spaced-comment": [1, "always"],  // Require space immediately following the // or /* in a comment

		// ECMAScript 6
		"arrow-spacing": [2, {  // Require space before and after arrow function's arrow
			"before": true,
			"after": true
		}],
		"jsx-quotes": [1, "prefer-double"],
		"no-var": 0,  // Do not require let or const instead of var (becau

		// React: https://github.com/yannickcr/eslint-plugin-react
		"react/display-name": 0,
		"react/jsx-boolean-value": [2, "never"],
		"react/jsx-closing-bracket-location": [1, {
			"location": "tag-aligned"
		}],
		"react/jsx-curly-spacing": [1, "never"],
		"react/jsx-indent-props": [1, "tab"],
		"react/jsx-no-duplicate-props": 2,
		"react/jsx-no-undef": 2,
		"react/jsx-sort-prop-types": 0,
		"react/jsx-sort-props": 0,
		"react/jsx-uses-react": 1,
		"react/jsx-uses-vars": 1,
		"react/no-danger": 0,
		"react/no-did-mount-set-state": 1,
		"react/no-did-update-set-state": 1,
		"react/no-multi-comp": 1,
		"react/no-unknown-property": 1,
		"react/prop-types": [1, {
			"ignore": [
			"actions",
			"dispatch",
			"state"
			]
		}],
		"react/require-extension": 0,
		"react/self-closing-comp": 1,
		// "react/sort-comp": [1, {
		//	"order": [
		//		"/^handle.+$/",
		//		"lifecycle",
		//		"everything-else",
		//		"/^render.+$/",
		//		"render"
		//	],
		// }],
		"react/wrap-multilines": 1
	},
	"globals": {
		"describe": false,
		"it": false,
		"expect": false,
		"expectReactShallow": false
	}
}