.eslintrc
{
"parserOptions": {
"ecmaVersion": 6,
"sourceType": "module"
},
"ecmaFeatures": {
"arrowFunctions": true,
"binaryLiterals": false, // enable binary literals
"blockBindings": true, // enable let and const (aka block bindings)
"defaultParams": true, // enable default function parameters
"destructuring": false,
"forOf": true, // enable for-of loops
"generators": true, // enable generators
"objectLiteralComputedProperties": true, // enable computed object literal property names
"objectLiteralDuplicateProperties": true, // enable duplicate object literal properties in strict mode
"objectLiteralShorthandMethods": true, // enable object literal shorthand methods
"objectLiteralShorthandProperties": true, // enable object literal shorthand properties
"octalLiterals": false, // enable octal literals
"regexUFlag": true, // enable the regular expression u flag
"regexYFlag": true, // enable the regular expression y flag
"restParams": true,
"spread": false,
"templateStrings": true, // 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": {
"define": true,
"require": true
// e.g. "angular": true
},
"plugins": [
// e.g. "react" (must run `npm install eslint-plugin-react` first)
],
"rules": {
////////// Possible Errors //////////
"comma-dangle": [2, "never"], // disallow or enforce trailing commas
"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": 2, // disallow use of constant expressions in conditions
"no-control-regex": 1, // disallow control characters in regular expressions
"no-debugger": 2, // disallow use of debugger
"no-dupe-args": 2, // disallow duplicate arguments in functions
"no-dupe-keys": 2, // disallow duplicate keys when creating object literals
"no-duplicate-case": 2, // disallow a duplicate case label.
"no-empty": 0, // disallow empty statements
"no-empty-character-class": 1,// 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-semi": 2, // disallow unnecessary semicolons
"no-func-assign": 2, // disallow overwriting functions written as function declarations
"no-inner-declarations": 0, // disallow function or variable declarations in nested blocks
"no-invalid-regexp": 2, // disallow invalid regular expression strings in the RegExp constructor
"no-irregular-whitespace": 1, // 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": 1, // disallow multiple spaces in a regular expression literal
"no-sparse-arrays": 2, // disallow sparse arrays
"no-unexpected-multiline": 2, // Avoid code that looks like two expressions but is actually one (off by default)
"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": 0, // 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 //////////
"accessor-pairs": 0, // Enforces getter/setter pairs in objects (off by default)
"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": 1, // 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-location": [1, "property"], // enforces consistent newlines before or after dots (off by default)
"dot-notation": [2, {"allowKeywords": true}], // encourages use of dot notation whenever possible
"eqeqeq": [1, "smart"], // require the use of === and !==
"guard-for-in": 1, // make sure for-in loops have an if statement (off by default)
"no-alert": 2, // disallow the use of alert, confirm, and prompt
"no-caller": 1, // 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": 0, // disallow else after a return in an if (off by default)
"no-eq-null": 1, // 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": 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-iterator": 2, // disallow usage of __iterator__ property
"no-labels": 1, // disallow use of labeled statements
"no-lone-blocks": 1, // disallow unnecessary nested blocks
"no-loop-func": 2, // disallow creation of functions within loops
"no-multi-spaces": 2, // disallow use of multiple spaces
"no-multi-str": 1, // disallow use of multiline strings
"no-native-reassign": 2, // disallow reassignments of native objects
"no-new": 1, // 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-param-reassign": 0, // disallow reassignment of function parameters (off by default)
"no-process-env": 2, // 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": 1, // 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-throw-literal": 0, // restrict what can be thrown as an exception (off by default)
"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": 2, // 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, "inside"], // require immediate function invocation to be wrapped in parentheses (off by default)
"yoda": 2, // require or disallow Yoda conditions
////////// Strict Mode //////////
"global-strict": 0, // (deprecated) require or disallow the "use strict" pragma in the global scope (off by default in the node environment)
"no-extra-strict": 0, // (deprecated) disallow unnecessary use of "use strict"; when already in 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": 1, // disallow use of undefined when initializing variables
"no-undefined": 0, // disallow use of undefined variable (off by default)
"no-unused-vars": [2, {"vars": "all", "args": "none"}], // 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 //////////
"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 //////////
"array-bracket-spacing": 0, // enforce spacing inside array brackets (off by default)
"brace-style": 2, // enforce one true brace style (off by default)
"camelcase": 1, // require camel case names
"comma-spacing": [2, {"before": false, "after": true}], // enforce spacing before and after comma
"comma-style": [2, "last"], // enforce one true comma style (off by default)
"computed-property-spacing": 2, // require or disallow padding inside computed properties (off by default)
"consistent-this": [1, "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": [1, "expression"], // enforces use of function declarations or expressions (off by default)
"indent": [2, 4], // this option sets a specific tab width for your code (off by default)
"key-spacing": 2, // enforces spacing between keys and values in object literal properties
"linebreak-style": 1, // disallow mixed 'LF' and 'CRLF' as linebreaks (off by default)
"lines-around-comment": 0, // enforces empty lines around comments (off by default)
"max-nested-callbacks": 0, // specify the maximum depth callbacks can be nested (off by default)
"new-cap": [2, {"capIsNew": false, "newIsCap": true}], // 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, // allow/disallow an empty newline after var statement (off by default)
"no-array-constructor": 2, // disallow use of the Array constructor
"no-continue": 0, // disallow use of the continue statement (off by default)
"no-extra-parens": 2, // disallow wrapping of non-IIFE statements in parens
"no-inline-comments": 0, // disallow comments inline after code (off by default)
"no-lonely-if": 0, // 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": 0, // disallow multiple empty lines (off by default)
"no-nested-ternary": 0, // 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": 2, // disallow trailing whitespace at the end of lines
"no-underscore-dangle": 1, // disallow dangling underscores in identifiers
"no-unneeded-ternary": 2, // disallow the use of Boolean literals in conditional expressions (off by default)
"object-curly-spacing": [2, "never"], // require or disallow padding inside curly braces (off by default)
"one-var": 0, // allow just one var statement per function (off by default)
"operator-assignment": 0, // 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 (off by default)
"padded-blocks": 0, // enforce padding within blocks (off by default)
"quote-props": 0, // 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-function-name": 0, // require a space after function names (off by default)
"space-before-blocks": [2, "always"], // require or disallow space before blocks (off by default)
"space-before-function-paren": [2, {"anonymous": "always", "named": "never"}], // require or disallow space before function opening parenthesis (off by default)
//"space-before-function-parentheses": 0, // (deprecated) require or disallow space before function parentheses (off by default)
"space-in-parens": [2, "never"], // require or disallow spaces inside parentheses (off by default)
"space-infix-ops": 2, // require spaces around operators
"space-unary-ops": [2, {"words": true, "nonwords": false}], // Require or disallow spaces before/after unary operators (words on by default, nonwords off by default)
"spaced-comment": [0, "always"], // require or disallow a space immediately following the // or /* in a comment (off by default)
//"space-unary-word-ops": 0, // (deprecated) Require or disallow spaces before/after unary operators (words on by default, nonwords off by default)
// "spaced-line-comment": [1, "always"], // (deprecated) require or disallow a space immediately following the // in a line comment (off by default)
"wrap-regex": 0, // require regex literals to be wrapped in parentheses (off by default)
////////// ECMAScript 6 //////////
"constructor-super": 0, // verify super() callings in constructors (off by default)
//"generator-star": 0, // (deprecated) enforce the position of the * in generator functions (off by default)
"generator-star-spacing": 0, // enforce the spacing around the * in generator functions (off by default)
"no-this-before-super": 0, // disallow to use this/super before super() calling in constructors. (off by default)
"no-var": 0, // require let or const instead of var (off by default)
"object-shorthand": 0, // require method and property shorthand syntax for object literals (off by default)
"prefer-const": 0, //suggest using of const declaration for variables that are never modified after declared (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": 1, // disallow use of bitwise operators (off by default)
"no-plusplus": 0 // disallow use of unary operators, ++ and -- (off by default)
}
}