{ // http://eslint.org/docs/rules/ "ecmaFeatures": { "binaryLiterals": false, // enable binary literals "blockBindings": false, // enable let and const (aka block bindings) "defaultParams": false, // enable default function parameters "forOf": false, // enable for-of loops "generators": false, // enable generators "objectLiteralComputedProperties": false, // enable computed object literal property names "objectLiteralDuplicateProperties": false, // enable duplicate object literal properties in strict mode "objectLiteralShorthandMethods": false, // enable object literal shorthand methods "objectLiteralShorthandProperties": false, // enable object literal shorthand properties "octalLiterals": false, // enable octal literals "regexUFlag": false, // enable the regular expression u flag "regexYFlag": false, // enable the regular expression y flag "templateStrings": false, // enable template strings "unicodeCodePointEscapes": false, // enable code point escapes "jsx": false // enable JSX }, "env": { "browser": false, // browser global variables. "node": true, // Node.js global variables and Node.js-specific rules. "amd": false, // defines require() and define() as global variables as per the amd spec. "mocha": false, // adds all of the Mocha testing global variables. "jasmine": false, // adds all of the Jasmine testing global variables for version 1.3 and 2.0. "phantomjs": false, // phantomjs global variables. "jquery": false, // jquery global variables. "prototypejs": false, // prototypejs global variables. "shelljs": false // shelljs global variables. }, "globals": { // e.g. "angular": true }, "plugins": [ // e.g. "react" (must run `npm install eslint-plugin-react` first) ], "rules": { ////////// Possible Errors ////////// "comma-dangle": 2, // disallow trailing commas in object literals "no-cond-assign": 2, // disallow assignment in conditional expressions "no-console": 2, // disallow use of console (off by default in the node environment) "no-constant-condition": 2, // disallow use of constant expressions in conditions "no-control-regex": 2, // disallow control characters in regular expressions "no-debugger": 2, // disallow use of debugger "no-dupe-keys": 2, // disallow duplicate keys when creating object literals "no-empty": 2, // disallow empty statements "no-empty-character-class": 2, // disallow the use of empty character classes in regular expressions "no-ex-assign": 2, // 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-parens": 2, // disallow unnecessary parentheses (off by default) "no-extra-semi": 2, // disallow unnecessary semicolons "no-func-assign": 2, // disallow overwriting functions written as function declarations "no-inner-declarations": 2, // disallow function or variable declarations in nested blocks "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-obj-calls": 2, // disallow the use of object properties of the global object (Math and JSON) as functions "no-regex-spaces": 2, // disallow multiple spaces in a regular expression literal "no-sparse-arrays": 2, // disallow sparse arrays "no-unreachable": 2, // disallow unreachable statements after a return, throw, continue, or break statement "use-isnan": 2, // disallow comparisons with the value NaN "valid-jsdoc": 2, // Ensure JSDoc comments are valid (off by default) "valid-typeof": 2, // Ensure that the results of typeof are compared against a valid string ////////// Best Practices ////////// "block-scoped-var": 2, // 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": 2, // require return statements to either always or never specify values "curly": 2, // specify curly brace conventions for all control statements "default-case": 2, // require default case in switch statements (off by default) "dot-notation": 0, // encourages use of dot notation whenever possible "eqeqeq": 2, // require the use of === and !== "guard-for-in": 2, // make sure for-in loops have an if statement (off by default) "no-alert": 1, // disallow the use of alert, confirm, and prompt "no-caller": 2, // disallow use of arguments.caller or arguments.callee "no-div-regex": 2, // disallow division operators explicitly at beginning of regular expression (off by default) "no-else-return": 2, // disallow else after a return in an if (off by default) "no-empty-label": 2, // disallow use of labels for anything other then loops and switches "no-eq-null": 2, // disallow comparisons to null without a type-checking operator (off by default) "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": 2, // disallow fallthrough of case statements "no-floating-decimal": 2, // disallow the use of leading or trailing decimal points in numeric literals (off by default) "no-implied-eval": 2, // disallow use of eval()-like methods "no-iterator": 2, // disallow usage of __iterator__ property "no-labels": 0, // disallow use of labeled statements "no-lone-blocks": 2, // disallow unnecessary nested blocks "no-loop-func": 2, // disallow creation of functions within loops "no-multi-spaces": 0, // disallow use of multiple spaces "no-multi-str": 2, // disallow use of multiline strings "no-native-reassign": 2, // disallow reassignments of native objects "no-new": 2, // disallow use of new operator when not part of the assignment or comparison "no-new-func": 2, // disallow use of new operator for Function object "no-new-wrappers": 2, // disallows creating new instances of String, Number, and Boolean "no-octal": 2, // disallow use of octal literals "no-octal-escape": 2, // disallow use of octal escape sequences in string literals, such as var foo = "Copyright \251"; "no-process-env": 0, // disallow use of process.env (off by default) "no-proto": 2, // disallow usage of __proto__ property "no-redeclare": 2, // disallow declaring the same variable more then once "no-return-assign": 2, // disallow use of assignment in return statement "no-script-url": 2, // disallow use of javascript: urls. "no-self-compare": 2, // disallow comparisons where both sides are exactly the same (off by default) "no-sequences": 2, // disallow use of comma operator "no-unused-expressions": 2, // disallow usage of expressions in statement position "no-void": 2, // disallow use of void operator (off by default) "no-warning-comments": 1, // disallow usage of configurable warning terms in comments, e.g. TODO or FIXME (off by default) "no-with": 2, // disallow use of the with statement "radix": 0, // require use of the second argument for parseInt() (off by default) "vars-on-top": 0, // requires to declare all vars on top of their containing scope (off by default) "wrap-iife": 2, // require immediate function invocation to be wrapped in parentheses (off by default) "yoda": 2, // require or disallow Yoda conditions ////////// Strict Mode ////////// "strict": 0, // controls location of Use Strict Directives ////////// Variables ////////// "no-catch-shadow": 0, // 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": 2, // disallow deletion of variables "no-label-var": 2, // disallow labels that share a name with a variable "no-shadow": 0, // disallow declaration of variables already declared in the outer scope "no-shadow-restricted-names": 2, // disallow shadowing of names such as arguments "no-undef": 2, // disallow use of undeclared variables unless mentioned in a /*global */ block "no-undef-init": 2, // disallow use of undefined when initializing variables "no-undefined": 0, // disallow use of undefined variable (off by default) "no-unused-vars": 2, // disallow declaration of variables that are not used in the code "no-use-before-define": 2, // disallow use of variables before they are defined ////////// Node.js ////////// "callback-return": 2, // enforce return after a callback "handle-callback-err": 2, // enforces error handling in callbacks (off by default) (on by default in the node environment) "no-mixed-requires": 0, // disallow mixing regular variable and require declarations (off by default) (on by default in the node environment) "no-new-require": 0, // disallow use of new operator with the require function (off by default) (on by default in the node environment) "no-path-concat": 0, // 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": 0, // restrict usage of specified node modules (off by default) "no-sync": 0, // disallow use of synchronous methods (off by default) ////////// Stylistic Issues ////////// "array-bracket-spacing": 0, // enforce spacing inside array brackets "block-spacing": [2, "always"], // disallow or enforce spaces inside of single line blocks "brace-style": 2, // enforce one true brace style (off by default) "camelcase": 2, // require camel case names "comma-spacing": 2, // enforce spacing before and after comma "comma-style": 2, // enforce one true comma style (off by default) "consistent-this": [2, "self"], // enforces consistent naming when capturing the current execution context (off by default) "eol-last": 2, // 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) "id-length": 0, // this option enforces minimum and maximum identifier lengths (variable names, property names etc.) "id-match": 0, // require identifiers to match the provided regular expression "indent": [2, 2], // specify tab or space width for your code "key-spacing": 2, // enforces spacing between keys and values in object literal properties "lines-around-comment": 2, // enforce empty lines around comments "linebreak-style": 2, // disallow mixed 'LF' and 'CRLF' as linebreaks "max-nested-callbacks": [2, 3], // specify the maximum depth callbacks can be nested (off by default) "new-cap": 2, // require a capital letter for constructors "new-parens": 2, // disallow the omission of parentheses when invoking a constructor with no arguments "newline-after-var": 0, // require or disallow an empty newline after variable declarations "no-array-constructor": 2, // disallow use of the Array constructor "no-continue": 2, // disallow use of the continue statement "no-inline-comments": 0, // disallow comments inline after code (off by default) "no-lonely-if": 2, // disallow if as the only statement in an else block (off by default) "no-mixed-spaces-and-tabs": 2, // disallow mixed spaces and tabs for indentation "no-multiple-empty-lines": [2, {"max": 2}], // disallow multiple empty lines (off by default) "no-nested-ternary": 2, // disallow nested ternary expressions (off by default) "no-new-object": 2, // disallow use of the Object constructor "no-spaced-func": 2, // disallow space between function identifier and application "no-ternary": 0, // disallow the use of ternary operators (off by default) "no-trailing-spaces": 0, // disallow trailing whitespace at the end of lines "no-underscore-dangle": 0, // disallow dangling underscores in identifiers "no-unneeded-ternary": 2, // disallow the use of Boolean literals in conditional expressions "object-curly-spacing": 0, // require or disallow padding inside curly braces "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": 0, // enforce operators to be placed before or after line breaks "padded-blocks": 0, // enforce padding within blocks (off by default) "quote-props": 2, // require quotes around object literal property names (off by default) "quotes": [2, "single"], // specify whether double or single quotes should be used "semi": [2, "always"], // require or disallow use of semicolons instead of ASI "semi-spacing": 2, // enforce spacing before and after semicolons "sort-vars": 0, // sort variables within the same declaration block (off by default) "space-after-keywords": 2, // require a space after certain keywords (off by default) "space-before-blocks": 2, // require or disallow space before blocks (off by default) "space-before-function-paren": 0, // require or disallow a space before function opening parenthesis "space-in-parens": 2, // require or disallow spaces inside parentheses (off by default) "space-infix-ops": 2, // require spaces around operators "space-return-throw-case": 2, // require a space after return, throw, and case "space-unary-ops": 2, // Require or disallow spaces before/after unary operators (words on by default, nonwords off by default) "spaced-comment": 2, // require or disallow a space immediately following the // or /* in a comment "wrap-regex": 2, // require regex literals to be wrapped in parentheses (off by default) ////////// ECMAScript 6 ////////// "no-var": 0, // require let or const instead of var (off by default) ////////// Legacy ////////// "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": 0, // disallow use of bitwise operators (off by default) "no-plusplus": 0 // disallow use of unary operators, ++ and -- (off by default) } }