.eslintrc

{
    "parser": "babel-eslint",
    "env": {
        "browser": true,
        "jest": true,
    },
    "plugins": [
        "react"
    ],
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        }
    },
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended"
    ],
    "globals": {
        "__DEV__": true,
        "__dirname": false,
        "__fbBatchedBridgeConfig": false,
        "alert": false,
        "cancelAnimationFrame": false,
        "cancelIdleCallback": false,
        "clearImmediate": true,
        "clearInterval": false,
        "clearTimeout": false,
        "console": false,
        "document": false,
        "escape": false,
        "Event": false,
        "EventTarget": false,
        "exports": false,
        "fetch": true,
        "FormData": false,
        "global": false,
        "Map": true,
        "module": false,
        "navigator": false,
        "process": false,
        "Promise": true,
        "requestAnimationFrame": true,
        "requestIdleCallback": true,
        "require": false,
        "Set": true,
        "setImmediate": true,
        "setInterval": false,
        "setTimeout": false,
        "window": false,
        "XMLHttpRequest": false,
        "pit": false
    },
    "rules": {
        "indent": ["error", 4],               // disallow trailing commas in object literals
        "comma-dangle": ["error", "always-multiline"],               // disallow trailing commas in object literals
        "no-cond-assign":["error"],             // disallow assignment in conditional expressions
        "no-console":["error"],                 // disallow use of console (off by default in the node environment)
        "no-constant-condition":["off"],      // disallow use of constant expressions in conditions
        "no-control-regex":["error"],           // disallow control characters in regular expressions
        "no-debugger":["error"],                // disallow use of debugger
        "no-dupe-keys":["error"],               // disallow duplicate keys when creating object literals
        "no-empty":["off"],                   // disallow empty statements
        "no-ex-assign":["error"],               // disallow assigning to the exception in a catch block
        "no-extra-boolean-cast":["error"],      // disallow double-negation boolean casts in a boolean context
        "no-extra-parens":["off"],            // disallow unnecessary parentheses (off by default)
        "no-extra-semi":["error"],              // disallow unnecessary semicolons
        "no-func-assign":["error"],             // disallow overwriting functions written as function declarations
        "no-inner-declarations":["off"],      // disallow function or variable declarations in nested blocks
        "no-invalid-regexp":["error"],          // disallow invalid regular expression strings in the RegExp constructor
        "no-negated-in-lhs":["error"],          // disallow negation of the left operand of an in expression
        "no-obj-calls":["error"],               // disallow the use of object properties of the global object (Math and JSON) as functions
        "no-regex-spaces":["error"],            // disallow multiple spaces in a regular expression literal
        "no-reserved-keys":["off"],           // disallow reserved words being used as object literal keys (off by default)
        "no-sparse-arrays":["error"],           // disallow sparse arrays
        "no-unreachable":["error"],             // disallow unreachable statements after a return, throw, continue, or break statement
        "use-isnan":["error"],                  // disallow comparisons with the value NaN
        "valid-jsdoc":["off"],                // Ensure JSDoc comments are valid (off by default)
        "valid-typeof":["error"],               // Ensure that the results of typeof are compared against a valid string
        "object-curly-spacing": ["error", "always"], // Enforce consistent spacing inside braces of object literals, destructuring assignments, and import/export specifiers

        // Best Practices
        // These are rules designed to prevent you from making mistakes. They either prescribe a better way of doing something or help you avoid footguns.

        "block-scoped-var":["off"],           // treat var statements as if they were block scoped (off by default)
        "complexity":["off"],                 // specify the maximum cyclomatic complexity allowed in a program (off by default)
        "consistent-return":["off"],          // require return statements to either always or never specify values
        "curly":["error"],                      // specify curly brace conventions for all control statements
        "default-case":["off"],               // require default case in switch statements (off by default)
        "dot-notation":["error"],               // encourages use of dot notation whenever possible
        "eqeqeq": ["error", "allow-null"],     // require the use of === and !==
        "guard-for-in":["off"],               // make sure for-in loops have an if statement (off by default)
        "no-alert":["error"],                   // disallow the use of alert, confirm, and prompt
        "no-caller":["error"],                  // disallow use of arguments.caller or arguments.callee
        "no-div-regex":["error"],               // disallow division operators explicitly at beginning of regular expression (off by default)
        "no-else-return":["off"],             // disallow else after a return in an if (off by default)
        "no-eq-null":["off"],                 // disallow comparisons to null without a type-checking operator (off by default)
        "no-eval":["error"],                    // disallow use of eval()
        "no-extend-native":["error"],           // disallow adding to native types
        "no-extra-bind":["error"],              // disallow unnecessary function binding
        "no-fallthrough":["error"],             // disallow fallthrough of case statements
        "no-floating-decimal":["error"],        // disallow the use of leading or trailing decimal points in numeric literals (off by default)
        "no-implied-eval":["error"],            // disallow use of eval()-like methods
        "no-labels":["error"],                  // disallow use of labeled statements
        "no-iterator":["error"],                // disallow usage of __iterator__ property
        "no-lone-blocks":["error"],             // disallow unnecessary nested blocks
        "no-loop-func":["off"],               // disallow creation of functions within loops
        "no-multi-str":["off"],               // disallow use of multiline strings
        "no-multiple-empty-lines": ["error", {"max": 2, "maxEOF": 0 }],               // disallow multiple empty lines
        "no-native-reassign":["off"],         // disallow reassignments of native objects
        "no-new":["error"],                     // disallow use of new operator when not part of the assignment or comparison
        "no-new-func":["error"],                // disallow use of new operator for Function object
        "no-new-wrappers":["error"],            // disallows creating new instances of String,Number, and Boolean
        "no-octal":["error"],                   // disallow use of octal literals
        "no-octal-escape":["error"],            // disallow use of octal escape sequences in string literals, such as var foo = "Copyright \"error"51";
        "no-proto":["error"],                   // disallow usage of __proto__ property
        "no-redeclare":["off"],               // disallow declaring the same variable more then once
        "no-return-assign":["error"],           // disallow use of assignment in return statement
        "no-script-url":["error"],              // disallow use of javascript: urls.
        "no-self-compare":["error"],            // disallow comparisons where both sides are exactly the same (off by default)
        "no-sequences":["error"],               // disallow use of comma operator
        "no-unused-expressions":["off"],      // disallow usage of expressions in statement position
        "no-void":["error"],                    // disallow use of void operator (off by default)
        "no-warning-comments":["off"],        // disallow usage of configurable warning terms in comments":[1],                        // e.g. TODO or FIXME (off by default)
        "no-with":["error"],                    // disallow use of the with statement
        "radix":["error"],                      // require use of the second argument for parseInt() (off by default)
        "semi-spacing":["error"],	             // require a space after a semi-colon
        "vars-on-top":["off"],                // requires to declare all vars on top of their containing scope (off by default)
        "wrap-iife":["off"],                  // require immediate function invocation to be wrapped in parentheses (off by default)
        "yoda":["error"],                       // require or disallow Yoda conditions

        // Variables
        // These rules have to do with variable declarations.

        "no-catch-shadow":["error"],            // disallow the catch clause parameter name being the same as a variable in the outer scope (off by default in the node environment)
        "no-delete-var":["error"],              // disallow deletion of variables
        "no-label-var":["error"],               // disallow labels that share a name with a variable
        "no-shadow":["error"],                  // disallow declaration of variables already declared in the outer scope
        "no-shadow-restricted-names":["error"], // disallow shadowing of names such as arguments
        "no-undef":["error"],                   // disallow use of undeclared variables unless mentioned in a /*global */ block
        "no-undefined":["off"],               // disallow use of undefined variable (off by default)
        "no-undef-init":["error"],              // disallow use of undefined when initializing variables
        "no-unused-vars": ["error", {"vars": "all", "args": "after-used"}], // disallow declaration of variables that are not used in the code
        "no-use-before-define":["off"],       // disallow use of variables before they are defined

        // Node.js
        // These rules are specific to JavaScript running on Node.js.

        "handle-callback-err":["error"],        // enforces error handling in callbacks (off by default) (on by default in the node environment)
        "no-mixed-requires":["error"],          // disallow mixing regular variable and require declarations (off by default) (on by default in the node environment)
        "no-new-require":["error"],             // disallow use of new operator with the require function (off by default) (on by default in the node environment)
        "no-path-concat":["error"],             // disallow string concatenation with __dirname and __filename (off by default) (on by default in the node environment)
        "no-process-exit":["off"],            // disallow process.exit() (on by default in the node environment)
        "no-restricted-modules":["error"],      // restrict usage of specified node modules (off by default)
        "no-sync":["off"],                    // disallow use of synchronous methods (off by default)

        // Stylistic Issues
        // These rules are purely matters of style and are quite subjective.

        "key-spacing":["off"],
        "keyword-spacing":["error"],            // enforce spacing before and after keywords
        "jsx-quotes": ["error", "prefer-single"],
        "comma-spacing":["off"],
        "no-multi-spaces":["off"],
        "brace-style":["off"],                // enforce one true brace style (off by default)
        "camelcase":["off"],                  // require camel case names
        "consistent-this": ["error", "self"],            // enforces consistent naming when capturing the current execution context (off by default)
        "eol-last":["error"],                   // enforce newline at the end of file, with no multiple empty lines
        "func-names":["off"],                 // require function expressions to have a name (off by default)
        "func-style":["off"],                 // enforces use of function declarations or expressions (off by default)
        "new-cap":["off"],                    // require a capital letter for constructors
        "new-parens":["error"],                 // disallow the omission of parentheses when invoking a constructor with no arguments
        "no-nested-ternary":["off"],          // disallow nested ternary expressions (off by default)
        "no-array-constructor":["error"],       // disallow use of the Array constructor
        "no-lonely-if":["off"],               // disallow if as the only statement in an else block (off by default)
        "no-new-object":["error"],              // disallow use of the Object constructor
        "no-spaced-func":["error"],             // disallow space between function identifier and application
        "no-ternary":["off"],                 // disallow the use of ternary operators (off by default)
        "no-trailing-spaces":["error"],         // disallow trailing whitespace at the end of lines
        "no-underscore-dangle":["off"],       // disallow dangling underscores in identifiers
        "no-mixed-spaces-and-tabs":["error"],   // disallow mixed spaces and tabs for indentation
        "quotes": ["error", "backtick"], // specify whether double or single quotes should be used
        "quote-props":["off"],                // require quotes around object literal property names (off by default)
        "semi":["error"],                       // require or disallow use of semicolons instead of ASI
        "sort-vars":["off"],                  // sort variables within the same declaration block (off by default)
        "space-in-brackets":["off"],          // require or disallow spaces inside brackets (off by default)
        "space-in-parens":["off"],            // require or disallow spaces inside parentheses (off by default)
        "space-infix-ops":["error"],            // require spaces around operators
        "space-unary-ops": ["error", { "words": true, "nonwords": false }], // require or disallow spaces before/after unary operators (words on by default, nonwords off by default)
        "max-nested-callbacks":["off"],       // specify the maximum depth callbacks can be nested (off by default)
        "one-var":["off"],                    // allow just one var statement per function (off by default)
        "wrap-regex":["off"],                 // require regex literals to be wrapped in parentheses (off by default)

        // React Plugin
        // The following rules are made available via `eslint-plugin-react`.

        "react/display-name":["error"],
        "react/jsx-boolean-value":["off"],
        "react/jsx-no-duplicate-props":["error"],
        "react/jsx-no-undef":["error"],
        "react/jsx-sort-props":["off"],
        "react/jsx-uses-react":["error"],
        "react/jsx-uses-vars":["error"],
        "react/jsx-curly-brace-presence":["error", { "props": "always" }],
        "react/no-did-mount-set-state":["off"],
        "react/no-did-update-set-state":["error"],
        "react/no-multi-comp":["off"],
        "react/no-string-refs":["error"],
        "react/no-unknown-property":["off"],
        "react/prop-types":["off"],
        "react/react-in-jsx-scope":["error"],
        "react/self-closing-comp":["error"],
        "react/wrap-multilines":["off"],

    }
}