.eslintrc

{
    "extends": [
        "eslint:recommended"
    ],
    "parser": "babel-eslint",
    "env": {
        "browser" : true,
        "commonjs": true,
        "es6"     : true
    },
    "ecmaFeatures": {
        "jsx": true
    },
    "rules": {
        // Prevent missing displayName in a React component definition
        "react/display-name": 0,
        // Forbid certain propTypes
        "react/forbid-prop-types": 0,
        // Enforce boolean attributes notation in JSX
        "react/jsx-boolean-value": 2,
        // Validate closing bracket location in JSX
        "react/jsx-closing-bracket-location": 0,
        // Enforce or disallow spaces inside of curly braces in JSX attributes
        "react/jsx-curly-spacing": 0,
        // Validate props indentation in JSX
        "react/jsx-indent-props": 0,
        // Limit maximum of props on a single line in JSX
        "react/jsx-max-props-per-line": 0,
        // Prevent duplicate props in JSX
        "react/jsx-no-duplicate-props": 1,
        // Prevent usage of unwrapped JSX strings
        "react/jsx-no-literals": 0,
        // Disallow undeclared variables in JSX
        "react/jsx-no-undef": 2,
        // Enforce propTypes declarations alphabetical sorting
        "react/jsx-sort-prop-types": 0,
        // Enforce props alphabetical sorting
        "react/jsx-sort-props": 0,
        // Prevent React to be incorrectly marked as unused
        "react/jsx-uses-react": 2,
        // Prevent variables used in JSX to be incorrectly marked as unused
        "react/jsx-uses-vars": 2,
        // Prevent usage of dangerous JSX properties
        "react/no-danger": 0,
        // Prevent usage of setState in componentDidMount
        "react/no-did-mount-set-state": [2, "allow-in-func"],
        // Prevent usage of setState in componentDidUpdate
        "react/no-did-update-set-state": 2,
        // Prevent direct mutation of this.state
        "react/no-direct-mutation-state": 0,
        // Prevent multiple component definition per file
        "react/no-multi-comp": 2,
        // Prevent usage of setState
        "react/no-set-state": 0,
        // Prevent usage of unknown DOM property
        "react/no-unknown-property": 2,
        // Prevent missing props validation in a React component definition
        "react/prop-types": 2,
        // Prevent missing React when using JSX
        "react/react-in-jsx-scope": 0,
        // Restrict file extensions that may be required
        "react/require-extension": 0,
        // Prevent extra closing tags for components without children
        "react/self-closing-comp": 2,
        // Prevent missing parentheses around multilines JSX
        "react/wrap-multilines": 2,
        // require parens in arrow function arguments
        "arrow-parens": 0,
        // require space before/after arrow function's arrow
        "arrow-spacing": 0,
        // verify super() callings in constructors
        "constructor-super": 1,
        // enforce the spacing around the * in generator functions
        "generator-star-spacing": 1,
        // disallow modifying variables of class declarations
        "no-class-assign": 1,
        // disallow modifying variables that are declared using const
        "no-const-assign": 2,
        // disallow duplicate name in class members
        "no-dupe-class-members": 2,
        // disallow to use this/super before super() calling in constructors.
        "no-this-before-super": 1,
        // require let or const instead of var
        "no-var": 0,
        // require method and property shorthand syntax for object literals
        "object-shorthand": 1,
        // suggest using arrow functions as callbacks
        "prefer-arrow-callback": 0,
        // suggest using of const declaration for variables that are never modified after declared
        "prefer-const": 0,
        // suggest using the spread operator instead of .apply()
        "prefer-spread": 1,
        // suggest using Reflect methods where applicable
        /*"prefer-reflect": 0,*/
        // suggest using template literals instead of strings concatenation
        "prefer-template": 0,
        // disallow generator functions that do not have yield
        "require-yield": 0,

        "init-declarations": 0, // enforce or disallow variable initializations at definition
        "no-catch-shadow": 2, // disallow the catch clause parameter name being the same as a variable in the outer scope
        "no-delete-var": 0, // disallow deletion of variables (recommended)
        "no-label-var": 1, // disallow labels that share a name with a variable
        "no-shadow-restricted-names": 1, // disallow shadowing of names such as arguments
        "no-shadow": 1, // disallow declaration of variables already declared in the outer scope
        "no-undef-init": 0, // disallow use of undefined when initializing variables
        "no-undef": 2, // disallow use of undeclared variables unless mentioned in a /*global */ block (recommended)
        "no-undefined": 0, // disallow use of undefined variable
        "no-unused-vars": 1, // disallow declaration of variables that are not used in the code (recommended)
        "no-use-before-define": 1, // disallow use of variables before they are defined

        "strict": [ 0, "global" ],

        "no-console": 0,

        // enforce spacing inside array brackets
        "array-bracket-spacing": [0, "never"],
        // disallow or enforce spaces inside of single line blocks
        "block-spacing": 0,
        // enforce one true brace style
        "brace-style": [ 0, "1tbs" ],
        // require camel case names
        "camelcase": 0,
        // enforce spacing before and after comma
        "comma-spacing": 0,
        // enforce one true comma style
        "comma-style": 0,
        // require or disallow padding inside computed properties
        "computed-property-spacing": [ 0, "never" ],
        // enforces consistent naming when capturing the current execution context
        "consistent-this": [ 0, "that" ],
        // enforce newline at the end of file, with no multiple empty lines
        "eol-last": 0,
        // require function expressions to have a name
        "func-names": 0,
        // enforces use of function declarations or expressions
        "func-style": [ 0, "declaration" ],
        // this option enforces minimum and maximum identifier lengths (variable names, property names etc.)
        "id-length": 0,
        // this option sets a specific tab width for your code
        "indent": [1, 4],
        // specify whether double or single quotes should be used in JSX attributes
        "jsx-quotes": 0,
        // enforces spacing between keys and values in object literal properties
        "key-spacing": [0, { "beforeColon": false, "afterColon": true }],
        // enforces empty lines around comments
        "lines-around-comment": 0,
        // disallow mixed "LF" and "CRLF" as linebreaks
        "linebreak-style": [ 0, "unix" ],
        // specify the maximum depth callbacks can be nested
        "max-nested-callbacks": [0, 2],
        // require a capital letter for constructors
        "new-cap": 0,
        // disallow the omission of parentheses when invoking a constructor with no arguments
        "new-parens": 0,
        // allow/disallow an empty newline after var statement
        "newline-after-var": 0,
        // disallow use of the Array constructor
        "no-array-constructor": 0,
        // disallow use of the continue statement
        "no-continue": 0,
        // disallow comments inline after code
        "no-inline-comments": 0,
        // disallow if as the only statement in an else block
        "no-lonely-if": 0,
        // disallow mixed spaces and tabs for indentation
        "no-mixed-spaces-and-tabs": [ 2, false ],
        // disallow multiple empty lines
        "no-multiple-empty-lines": [ 0, {"max": 2} ],
        // disallow nested ternary expressions
        "no-nested-ternary": 0,
        // disallow use of the Object constructor
        "no-new-object": 0,
        // disallow use of certain syntax in code
        "no-restricted-syntax": 0,
        // disallow space between function identifier and application
        "no-spaced-func": 0,
        // disallow the use of ternary operators
        "no-ternary": 0,
        // disallow trailing whitespace at the end of lines
        "no-trailing-spaces": 1,
        // disallow dangling underscores in identifiers
        "no-underscore-dangle": 0,
        // disallow the use of Boolean literals in conditional expressions
        "no-unneeded-ternary": 0,
        // require or disallow padding inside curly braces
        "object-curly-spacing": [ 0, "never"  ],
        // allow just one var statement per function
        "one-var": 0,
        // require assignment operator shorthand where possible or prohibit it entirely
        "operator-assignment": [ 0, "always" ],
        // enforce operators to be placed before or after line breaks
        "operator-linebreak": 0,
        // enforce padding within blocks
        "padded-blocks": 0,
        // require quotes around object literal property names
        "quote-props": 0,
        // specify whether double or single quotes should be used
        "quotes": [ 0, "single" ],
        // require identifiers to match the provided regular expression
        "id-match": 0,
        // enforce spacing before and after semicolons
        "semi-spacing": [ 2, {"before": false, "after": true} ],
        // require or disallow use of semicolons instead of ASI
        "semi": 0,
        // sort variables within the same declaration block
        "sort-vars": 0,
        // require a space after certain keywords
        "space-after-keywords": [ 0, "always" ],
        // require a space before certain keywords
        "space-before-keywords": 0,
        // require or disallow space before blocks
        "space-before-blocks": [ 0, "always" ],
        // require or disallow space before function opening parenthesis
        "space-before-function-paren": [ 0, "always" ],
        // require or disallow spaces inside parentheses
        "space-in-parens": [ 0, "never" ],
        // require spaces around operators
        "space-infix-ops": 0,
        // require a space after return, throw, and case
        "space-return-throw-case": 0,
        // Require or disallow spaces before/after unary operators
        "space-unary-ops": [ 0, { "words": true, "nonwords": false } ],
        // require or disallow a space immediately following the // or /* in a comment
        "spaced-comment": 0,
        // require regex literals to be wrapped in parentheses
        "wrap-regex": 0
    },
    "plugins": [
        "react"
    ]
}