ESLint - My starter .eslintrc

.eslintrc

{
  // 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": {
 		"angular": 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": [2, "except-parens"], // 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": 2, // 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-character-class": 2, // disallow the use of empty character classes in regular expressions
    "no-empty": 2, // disallow empty statements
    "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-unexpected-multiline": 2, // Avoid code that looks like two expressions but is actually one
    "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": 2, //  Enforces getter/setter pairs in objects
    "block-scoped-var": 0, // treat var statements as if they were block scoped (off by default)
    "complexity": [0, 2], // 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-location": [2, "property"], // enforces consistent newlines before or after dots
    "dot-notation": 2, // encourages use of dot notation whenever possible
    "eqeqeq": [2, "smart"], // require the use of === and !==
    "guard-for-in": 2, // 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": 2, // disallow use of arguments.caller or arguments.callee
    "no-div-regex": 0, // 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": 0, // disallow use of labels for anything other then loops and switches
    "no-empty-pattern": 2, // disallow use of empty destructuring patterns
    "no-eq-null": 0, // 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-implicit-coercion": 2, // disallow the type conversions with shorter notations
    "no-implied-eval": 2, // disallow use of eval()-like methods
    "no-invalid-this": 2, // disallow this keywords outside of classes or class-like objects
    "no-iterator": 2, // disallow usage of __iterator__ property
    "no-labels": 2, // disallow use of labeled statements
    "no-lone-blocks": 0, // disallow unnecessary nested blocks
    "no-loop-func": 2, // disallow creation of functions within loops
    "no-magic-numbers": [2, { "ignore": [200, 201, 202, 203, 401, 403, 404, 500] }], // disallow the use of magic numbers
    "no-multi-spaces": 2, // 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-param-reassign": [2, { "props": false }], // disallow reassignment of function parameters
    "no-process-env": 2, // disallow use of process.env (off by default)
    "no-proto": 2, // disallow usage of __proto__ property
    "no-redeclare": [2, { "builtinGlobals": true }], // 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-throw-literal": 2, // restrict what can be thrown as an exception
    "no-unused-expressions": 2, // disallow usage of expressions in statement position
    "no-useless-call": 2, // disallow unnecessary .call() and .apply()
    "no-useless-concat": 2, // disallow unnecessary concatenation of literals or template literals
    "no-void": 2, // disallow use of void operator (off by default)
    "no-warning-comments": [2, { "terms": ["todo", "fixme"], "location": "anywhere" }], // 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": 2, // requires to declare all vars on top of their containing scope (off by default)
    "wrap-iife": [2, "outside"], // require immediate function invocation to be wrapped in parentheses (off by default)
    "yoda": 2, // require or disallow Yoda conditions


    ////////// Strict Mode //////////

    "strict": [2, "global"], // 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": 2, // 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": 2, // 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, "nofunc"], // disallow use of variables before they are defined


    ////////// Node.js //////////

    "callback-return": 2, // enforce return after a callback
    "global-require": 2, // enforce require() on top-level module scope
    "handle-callback-err": 2, // enforces error handling in callbacks (off by default) (on by default in the node environment)
    "no-mixed-requires": 2, // disallow mixing regular variable and require declarations (off by default) (on by default in the node environment)
    "no-new-require": 2, // disallow use of new operator with the require function (off by default) (on by default in the node environment)
    "no-path-concat": 2, // disallow string concatenation with __dirname and __filename (off by default) (on by default in the node environment)
    "no-process-exit": 2, // 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": 2, // disallow use of synchronous methods (off by default)


    ////////// Stylistic Issues //////////

    "array-bracket-spacing": [1, "never"], // Disallow or enforce spaces inside of brackets
    "block-spacing": [1, "always"], // disallow or enforce spaces inside of single line blocks
    "brace-style": [1, "1tbs", { "allowSingleLine": true }], // enforce one true brace style (off by default)
    "camelcase": [1, { "properties": "always" }], // require camel case names
    "comma-spacing": [1, { "before": false, "after": true }], // enforce spacing before and after comma
    "comma-style": [1, "last"], // enforce one true comma style (off by default)
    "computed-property-spacing": [1, "never"], // Disallow or enforce spaces inside of computed properties
    "consistent-this": [1, "vm"], // 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": 1, // 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, // Limit minimum and maximum length for identifiers
    "id-match": 0, // Require IDs to match a pattern
    "indent": [1, 2, { "SwitchCase": 1 }], // Validate Indentation
    "jsx-quotes": 0, // Enforce JSX Quote Style
    "key-spacing": [1, { "beforeColon": false, "afterColon": true }], // enforces spacing between keys and values in object literal properties
    "linebreak-style": [1, "windows"], // Disallow mixing CRLF and LF linebreaks
    "lines-around-comment": 1, // Enforce empty lines around comments
    "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": [1, "always"], // Require or disallow an empty newline after variable declarations
    "no-array-constructor": 2, // disallow use of the Array constructor
    "no-continue": 2, // Disallow continue
    "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": [1, "smart-tabs"], // disallow mixed spaces and tabs for indentation
    "no-multiple-empty-lines": [1, { "max": 4 }], // disallow multiple empty lines (off by default)
    "no-negated-condition": 0, // Disallow use of negated expressions in conditions
    "no-nested-ternary": 0, // disallow nested ternary expressions (off by default)
    "no-new-object": 2, // disallow use of the Object constructor
    "no-restricted-syntax": 0, // Disallow certain syntax
    "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": 1, // disallow trailing whitespace at the end of lines
    "no-underscore-dangle": 0, // disallow dangling underscores in identifiers
    "no-unneeded-ternary": 0, // Disallow conditional expressions that can be expressed with simpler constructs
    "object-curly-spacing": [1, "always"], // Disallow or enforce spaces inside of curly braces in objects
    "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, // Operator Linebreak
    "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", "avoid-escape"], // specify whether double or single quotes should be used
    "require-jsdoc": 0, // Require JSDoc comment
    "semi-spacing": [2, {"before": false, "after": true}], // Enforce spacing before and after semicolons
    "semi": 0, // require or disallow use of semicolons instead of ASI
    "sort-vars": 0, // sort variables within the same declaration block (off by default)
    "space-after-keywords": 1, // require a space after certain keywords (off by default)
    "space-before-blocks": [1, { "functions": "never", "keywords": "always" }], // require or disallow space before blocks (off by default)
    "space-before-function-paren": [2, "never"], // Require or disallow a space before function parenthesis 
    "space-before-keywords": [2, "always"], // Require or disallow spaces before keywords
    "space-in-parens": [2, "never"], // 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": 0, // Requires or disallows a whitespace (space or tab) beginning a comment
    "wrap-regex": 0, // require regex literals to be wrapped in parentheses (off by default)


    ////////// ECMAScript 6 //////////

    "arrow-parens": 0, // require parens in arrow function arguments
    "arrow-spacing": 0, // require space before/after arrow function's arrow (fixable)
    "constructor-super": 0, // verify calls of super() in constructors
    "generator-star-spacing": 0, // enforce spacing around the * in generator functions (fixable)
    "no-class-assign": 0, // disallow modifying variables of class declarations
    "no-const-assign": 0, // disallow modifying variables that are declared using const
    "no-dupe-class-members": 0, // disallow duplicate name in class members
    "no-this-before-super": 0, // disallow use of this/super before calling super() in constructors.
    "no-var": 0, // require let or const instead of var
    "object-shorthand": 0, // require method and property shorthand syntax for object literals
    "prefer-arrow-callback": 0, // suggest using arrow functions as callbacks
    "prefer-const": 0, // suggest using const declaration for variables that are never modified after declared
    "prefer-reflect": 0, // suggest using Reflect methods where applicable
    "prefer-spread": 0, // suggest using the spread operator instead of .apply().
    "prefer-template": 0, // suggest using template literals instead of strings concatenation
    "require-yield": 0, // disallow generator functions that do not have yield


    ////////// 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)
  }
}