eslint config file for react native app, based on facebook's f8 example and airbnb style, plus some of my own favorite rules.

.eslintrc

{
    "extends": "airbnb",
    "plugins": [
        "react"
    ],
    "env": {
        "es6": true,
        "jasmine": true,
    },
    "rules": {
      "comma-dangle": 0,            // disallow trailing commas in object literals
      "no-cond-assign": 1,             // disallow assignment in conditional expressions
      "no-console": 0,                 // disallow use of console (off by default in the node environment)
      "no-constant-condition": 0,      // disallow use of constant expressions in conditions
      "no-control-regex": 1,           // disallow control characters in regular expressions
      "no-debugger": 1,                // disallow use of debugger
      "no-dupe-keys": 2,               // disallow duplicate keys when creating object literals
      "no-empty": 0,                   // disallow empty statements
      "no-empty-character-class": 1,             // disallow the use of empty character classes in regular expressions
      "no-ex-assign": 1,               // disallow assigning to the exception in a catch block
      "no-extra-boolean-cast": 1,      // disallow double-negation boolean casts in a boolean context
      "no-extra-parens": 0,            // disallow unnecessary parentheses (off by default)
      "no-extra-semi": 1,              // disallow unnecessary semicolons
      "no-func-assign": 0,             // disallow overwriting functions written as function declarations
      "no-inner-declarations": 0,      // disallow function or variable declarations in nested blocks
      "no-invalid-regexp": 1,          // disallow invalid regular expression strings in the RegExp constructor
      "no-negated-in-lhs": 1,          // disallow negation of the left operand of an in expression
      "no-obj-calls": 1,               // disallow the use of object properties of the global object (Math and JSON) as functions
      "no-regex-spaces": 1,            // disallow multiple spaces in a regular expression literal
      "no-reserved-keys": 0,           // disallow reserved words being used as object literal keys (off by default)
      "no-sparse-arrays": 1,           // disallow sparse arrays
      "no-unreachable": 2,             // disallow unreachable statements after a return, throw, continue, or break statement
      "use-isnan": 1,                  // disallow comparisons with the value NaN
      "valid-jsdoc": 0,                // Ensure JSDoc comments are valid (off by default)
      "valid-typeof": 1,               // Ensure that the results of typeof are compared against a valid string

    // 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": 0,           // treat var statements as if they were block scoped (off by default)
      "complexity": 0,                 // specify the maximum cyclomatic complexity allowed in a program (off by default)
      "consistent-return": 0,          // require return statements to either always or never specify values
      "curly": 1,                      // specify curly brace conventions for all control statements
      "default-case": 0,               // require default case in switch statements (off by default)
      "dot-notation": 0,               // encourages use of dot notation whenever possible
      "eqeqeq": 1,                     // require the use of === and !==
      "guard-for-in": 0,               // make sure for-in loops have an if statement (off by default)
      "no-alert": 0,                   // disallow the use of alert, confirm, and prompt
      "no-caller": 1,                  // disallow use of arguments.caller or arguments.callee
      "no-div-regex": 1,               // disallow division operators explicitly at beginning of regular expression (off by default)
      "no-else-return": 0,             // disallow else after a return in an if (off by default)
      "no-eq-null": 0,                 // disallow comparisons to null without a type-checking operator (off by default)
      "no-eval": 1,                    // disallow use of eval()
      "no-extend-native": 1,           // disallow adding to native types
      "no-extra-bind": 1,              // disallow unnecessary function binding
      "no-fallthrough": 1,             // disallow fallthrough of case statements
      "no-floating-decimal": 1,        // disallow the use of leading or trailing decimal points in numeric literals (off by default)
      "no-implied-eval": 1,            // disallow use of eval()-like methods
      "no-labels": 1,                  // disallow use of labeled statements
      "no-iterator": 1,                // disallow usage of __iterator__ property
      "no-lone-blocks": 1,             // disallow unnecessary nested blocks
      "no-loop-func": 0,               // disallow creation of functions within loops
      "no-multi-str": 0,               // disallow use of multiline strings
      "no-native-reassign": 0,         // disallow reassignments of native objects
      "no-new": 1,                     // disallow use of new operator when not part of the assignment or comparison
      "no-new-func": 1,                // disallow use of new operator for Function object
      "no-new-wrappers": 1,            // disallows creating new instances of String,Number, and Boolean
      "no-octal": 1,                   // disallow use of octal literals
      "no-octal-escape": 1,            // disallow use of octal escape sequences in string literals, such as var foo = "Copyright \251";
      "no-proto": 1,                   // disallow usage of __proto__ property
      "no-redeclare": 0,               // disallow declaring the same variable more then once
      "no-return-assign": 1,           // disallow use of assignment in return statement
      "no-script-url": 1,              // disallow use of javascript: urls.
      "no-self-compare": 1,            // disallow comparisons where both sides are exactly the same (off by default)
      "no-sequences": 1,               // disallow use of comma operator
      "no-unused-expressions": 0,      // disallow usage of expressions in statement position
      "no-void": 1,                    // disallow use of void operator (off by default)
      "no-warning-comments": 0,        // disallow usage of configurable warning terms in comments": 1,                        // e.g. TODO or FIXME (off by default)
      "no-with": 1,                    // disallow use of the with statement
      "radix": 1,                      // require use of the second argument for parseInt() (off by default)
      "semi-spacing": 1,	             // require a space after a semi-colon
      "vars-on-top": 0,                // requires to declare all vars on top of their containing scope (off by default)
      "wrap-iife": 0,                  // require immediate function invocation to be wrapped in parentheses (off by default)
      "yoda": 1,                       // require or disallow Yoda conditions

    // Strict Mode
    // These rules relate to using strict mode.

      // "strict": [2, "global"],         // require or disallow the "use strict" pragma in the global scope (off by default in the node environment)

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

      "no-catch-shadow": 1,            // 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": 1,              // disallow deletion of variables
      "no-label-var": 1,               // disallow labels that share a name with a variable
      "no-shadow": 1,                  // disallow declaration of variables already declared in the outer scope
      "no-shadow-restricted-names": 1, // disallow shadowing of names such as arguments
      "no-undef": 2,                   // disallow use of undeclared variables unless mentioned in a /*global */ block.
      "no-undefined": 0,               // disallow use of undefined variable (off by default)
      "no-undef-init": 1,              // disallow use of undefined when initializing variables
      "no-unused-vars": [1, {"vars": "all", "args": "none"}], // disallow declaration of variables that are not used in the code
      "no-use-before-define": 0,       // disallow use of variables before they are defined

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

      "handle-callback-err": 1,        // enforces error handling in callbacks (off by default) (on by default in the node environment)
      "no-mixed-requires": 1,          // disallow mixing regular variable and require declarations (off by default) (on by default in the node environment)
      "no-new-require": 1,             // disallow use of new operator with the require function (off by default) (on by default in the node environment)
      "no-path-concat": 1,             // disallow string concatenation with __dirname and __filename (off by default) (on by default in the node environment)
      "no-process-exit": 0,            // disallow process.exit() (on by default in the node environment)
      "no-restricted-modules": 1,      // restrict usage of specified node modules (off by default)
      "no-sync": 0,                    // disallow use of synchronous methods (off by default)

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

      "key-spacing": 0,
      "comma-spacing": 0,
      "no-multi-spaces": 0,
      "brace-style": 0,                // enforce one true brace style (off by default)
      "camelcase": 0,                  // require camel case names
      "consistent-this": 1,            // enforces consistent naming when capturing the current execution context (off by default)
      "eol-last": 1,                   // enforce newline at the end of file, with no multiple empty lines
      "func-names": 0,                 // require function expressions to have a name (off by default)
      "func-style": 0,                 // enforces use of function declarations or expressions (off by default)
      "new-cap": 0,                    // require a capital letter for constructors
      "new-parens": 1,                 // disallow the omission of parentheses when invoking a constructor with no arguments
      "no-nested-ternary": 0,          // disallow nested ternary expressions (off by default)
      "no-array-constructor": 1,       // disallow use of the Array constructor
      "no-lonely-if": 0,               // disallow if as the only statement in an else block (off by default)
      "no-new-object": 1,              // disallow use of the Object constructor
      "no-spaced-func": 1,             // disallow space between function identifier and application
      "no-ternary": 0,                 // disallow the use of ternary operators (off by default)
      "no-trailing-spaces": 1,         // disallow trailing whitespace at the end of lines
      "no-underscore-dangle": 0,       // disallow dangling underscores in identifiers
      "no-mixed-spaces-and-tabs": 1,   // disallow mixed spaces and tabs for indentation
      "quotes": [1, "single", "avoid-escape"],         // specify whether double or single quotes should be used
      "quote-props": 0,                // require quotes around object literal property names (off by default)
      "semi": 1,                       // require or disallow use of semicolons instead of ASI
      "sort-vars": 0,                  // sort variables within the same declaration block (off by default)
      "keyword-spacing": [1, { "before": true, "after": true }],       // require a space after certain keywords (off by default)
      "space-in-brackets": 0,          // require or disallow spaces inside brackets (off by default)
      "space-in-parens": 0,            // require or disallow spaces inside parentheses (off by default)
      "space-infix-ops": 1,            // require spaces around operators
      "space-unary-ops": [1, { "words": true, "nonwords": false }], // require or disallow spaces before/after unary operators (words on by default, nonwords off by default)
      "max-nested-callbacks": 0,       // specify the maximum depth callbacks can be nested (off by default)
      "one-var": 0,                    // allow just one var statement per function (off by default)
      "wrap-regex": 0,                 // require regex literals to be wrapped in parentheses (off by default)

    // Legacy
    // The following rules are included for compatibility with JSHint and JSLint. While the names of the rules may not match up with the JSHint/JSLint counterpart, the functionality is the same.

      "max-depth": 0,                  // specify the maximum depth that blocks can be nested (off by default)
      "max-len": 0,                    // specify the maximum length of a line in your program (off by default)
      "max-params": 0,                 // limits the number of parameters that can be used in the function declaration. (off by default)
      "max-statements": 0,             // specify the maximum number of statement allowed in a function (off by default)
      "no-bitwise": 1,                 // disallow use of bitwise operators (off by default)
      "no-plusplus": 0,                // disallow use of unary operators, ++ and -- (off by default)

      "react/display-name": 0,
      "react/jsx-boolean-value": 0,
      "jsx-quotes": [1, "prefer-double"],
      "react/jsx-sort-props": 0,
      "react/jsx-uses-react": 1,
      "react/jsx-uses-vars": 1,
      "react/no-did-mount-set-state": [1, "allow-in-func"],
      "react/no-did-update-set-state": [1, "allow-in-func"],
      "react/no-multi-comp": 0,
      "react/no-unknown-property": 1,
      "react/prop-types": 1,
      "react/react-in-jsx-scope": 0,
      "react/self-closing-comp": 1,
      "react/wrap-multilines": 0,
      "react/jsx-no-undef": 2
    },
    "ecmaFeatures": {
      "jsx": true
    },
}