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@sorja
Created July 19, 2017 17:14
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Modified AirBnB's eslintrc to fit my needs (and my eyes 2560x1600 15" or 13") 7/2017
// OFF = 0
// WARN = 1
// ERROR = 2;
{
"env": {
"browser": true,
"node": true,
"es6": true
},
"parser": "babel-eslint",
"plugins": ["react"],
"ecmaFeatures": {
"arrowFunctions": true,
"binaryLiterals": true,
"blockBindings": true,
"classes": true,
"defaultParams": true,
"destructuring": true,
"forOf": true,
"generators": true,
"modules": true,
"objectLiteralComputedProperties": true,
"objectLiteralDuplicateProperties": true,
"objectLiteralShorthandMethods": true,
"objectLiteralShorthandProperties": true,
"octalLiterals": true,
"regexUFlag": true,
"regexYFlag": true,
"spread": true,
"superInFunctions": true,
"templateStrings": true,
"unicodeCodePointEscapes": true,
"globalReturn": true,
"jsx": true
},
"rules": {
//
//Possible Errors
//
// The following rules point out areas where you might have made mistakes.
//
"comma-dangle": [2, "always"], // disallow or enforce trailing commas (recommended)
"no-cond-assign": 2, // disallow assignment in conditional expressions (recommended)
"no-console": 2, // disallow use of console (recommended)
"no-constant-condition": 2, // disallow use of constant expressions in conditions (recommended)
"no-control-regex": 2, // disallow control characters in regular expressions (recommended)
"no-debugger": 2, // disallow use of debugger (recommended)
"no-dupe-args": 2, // disallow duplicate arguments in functions (recommended)
"no-dupe-keys": 2, // disallow duplicate keys when creating object literals (recommended)
"no-duplicate-case": 2, // disallow a duplicate case label. (recommended)
"no-empty": 2, // disallow empty block statements (recommended)
"no-empty-character-class": 2, // disallow the use of empty character classes in regular expressions (recommended)
"no-ex-assign": 2, // disallow assigning to the exception in a catch block (recommended)
"no-extra-boolean-cast": 2, // disallow double-negation boolean casts in a boolean context (recommended)
"no-extra-parens": 2, // disallow unnecessary parentheses
"no-extra-semi": 2, // disallow unnecessary semicolons (recommended) (fixable)
"no-func-assign": 2, // disallow overwriting functions written as function declarations (recommended)
"no-inner-declarations": 2, // disallow function or variable declarations in nested blocks (recommended)
"no-invalid-regexp": 2, // disallow invalid regular expression strings in the RegExp constructor (recommended)
"no-irregular-whitespace": 2, // disallow irregular whitespace outside of strings and comments (recommended)
"no-negated-in-lhs": 2, // disallow negation of the left operand of an in expression (recommended)
"no-obj-calls": 2, // disallow the use of object properties of the global object (Math and JSON) as functions (recommended)
"no-regex-spaces": 2, // disallow multiple spaces in a regular expression literal (recommended)
"no-sparse-arrays": 2, // disallow sparse arrays (recommended)
"no-unexpected-multiline": 2, // Avoid code that looks like two expressions but is actually one (recommended)
"no-unreachable": 2, // disallow unreachable statements after a return, throw, continue, or break statement (recommended)
"use-isnan": 2, // disallow comparisons with the value NaN (recommended)
"valid-jsdoc": 2, // Ensure JSDoc comments are valid
"valid-typeof": 2, // Ensure that the results of typeof are compared against a valid string (recommended)
//
// 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.
//
"accessor-pairs": 2, // Enforces getter/setter pairs in objects
"array-callback-return": 2, // Enforces return statements in callbacks of array's methods
"block-scoped-var": 2, // treat var statements as if they were block scoped
"complexity": 0, // specify the maximum cyclomatic complexity allowed in a program
"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
"dot-location": [2, "property"], // enforces consistent newlines before or after dots
"dot-notation": 2, // 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
"no-alert": 2, // disallow the use of alert, confirm, and prompt
"no-caller": 2, // disallow use of arguments.caller or arguments.callee
"no-case-declarations": 2, // disallow lexical declarations in case clauses (recommended)
"no-div-regex": 2, // disallow division operators explicitly at beginning of regular expression
"no-else-return": 2, // disallow else after a return in an if
"no-empty-function": 2, // disallow use of empty functions
"no-empty-pattern": 2, // disallow use of empty destructuring patterns (recommended)
"no-eq-null": 2, // disallow comparisons to null without a type-checking operator
"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-extra-label": 2, // disallow unnecessary labels
"no-fallthrough": 2, // disallow fallthrough of case statements (recommended)
"no-floating-decimal": 2, // disallow the use of leading or trailing decimal points in numeric literals
"no-implicit-coercion": 2, // disallow the type conversions with shorter notations
"no-implicit-globals": 2, // disallow var and named functions in global scope
"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": 2, // disallow unnecessary nested blocks
"no-loop-func": 2, // disallow creation of functions within loops
"no-magic-numbers": 0, // disallow the use of magic numbers
"no-multi-spaces": 2, // disallow use of multiple spaces (fixable)
"no-multi-str": 2, // disallow use of multiline strings
"no-native-reassign": 2, // disallow reassignments of native objects
"no-new": 2, // disallow use of the new operator when not part of an 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 (recommended)
"no-octal-escape": 2, // disallow use of octal escape sequences in string literals, such as var foo = "Copyright \251";
"no-param-reassign": 2, // disallow reassignment of function parameters
"no-process-env": 0, // disallow use of process.env
"no-proto": 2, // disallow usage of __proto__ property
"no-redeclare": 2, // disallow declaring the same variable more than once (recommended)
"no-return-assign": 2, // disallow use of assignment in return statement
"no-script-url": 2, // disallow use of javascript: urls.
"no-self-assign": 2, // disallow assignments where both sides are exactly the same (recommended)
"no-self-compare": 2, // disallow comparisons where both sides are exactly the same
"no-sequences": 2, // disallow use of the comma operator
"no-throw-literal": 2, // restrict what can be thrown as an exception
"no-unmodified-loop-condition": 2, // disallow unmodified conditions of loops
"no-unused-expressions": 2, // disallow usage of expressions in statement position
"no-unused-labels": 2, // disallow unused labels (recommended)
"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 the void operator
"no-warning-comments": 0, // disallow usage of configurable warning terms in comments - e.g. TODO or FIXME
"no-with": 2, // disallow use of the with statement
"radix": 2, // require use of the second argument for parseInt()
"vars-on-top": 2, // require declaration of all vars at the top of their containing scope
"wrap-iife": 2, // require immediate function invocation to be wrapped in parentheses
"yoda": 2, // require or disallow Yoda conditions
//
// Strict Mode
//
// These rules relate to using strict mode.
//
"strict": 0, // controls location of Use Strict Directives. 0: required by babel-eslint
//
// Variables
//
// These rules have to do with variable declarations.
//
"init-declarations": 0, // enforce or disallow variable initializations at definition
"no-catch-shadow": 2, // disallow the catch clause parameter name being the same as a variable in the outer scope
"no-delete-var": 2, // disallow deletion of variables (recommended)
"no-label-var": 2, // disallow labels that share a name with a variable
"no-restricted-globals": 0, // restrict usage of specified global variables
"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 (recommended)
"no-undef-init": 2, // disallow use of undefined when initializing variables
"no-undefined": 2, // disallow use of undefined variable
"no-unused-vars": [2, {"argsIgnorePattern": "^_", "varsIgnorePattern": "^_"}], // disallow declaration of variables that are not used in the code (recommended)
"no-use-before-define": 2, // disallow use of variables before they are defined
//
// Node.js and CommonJS
//
// These rules are specific to JavaScript running on Node.js or using CommonJS in the browser.
//
"callback-return": 2, // enforce return after a callback
"global-require": 0, // enforce require() on top-level module scope
"handle-callback-err": 2, // enforce error handling in callbacks
"no-mixed-requires": 2, // disallow mixing regular variable and require declarations
"no-new-require": 2, // disallow use of new operator with the require function
"no-path-concat": 2, // disallow string concatenation with __dirname and __filename
"no-process-exit": 0, // disallow process.exit()
"no-restricted-imports": 0, // restrict usage of specified node imports
"no-restricted-modules": 0, // restrict usage of specified node modules
"no-sync": 2, // disallow use of synchronous methods
//
// Stylistic Issues
//
// These rules are purely matters of style and are quite subjective.
//
"array-bracket-spacing": [2, "never"], // enforce spacing inside array brackets (fixable)
"block-spacing": [2, "always"], // disallow or enforce spaces inside of single line blocks (fixable)
"brace-style": 2, // enforce one true brace style
"camelcase": 2, // require camel case names
"comma-spacing": [2, {"before": false, "after": true}], // enforce spacing before and after comma (fixable)
"comma-style": [2, "last"], // enforce one true comma style
"computed-property-spacing": [2, "never"], // require or disallow padding inside computed properties (fixable)
"consistent-this": [2, "_this"], // enforce consistent naming when capturing the current execution context
"eol-last": 2, // enforce newline at the end of file, with no multiple empty lines (fixable)
"func-names": 0, // require function expressions to have a name
"func-style": 0, // enforce use of function declarations or expressions
"id-blacklist": 0, // blacklist certain identifiers to prevent them being used
"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, {"SwitchCase": 1}], // specify tab or space width for your code (fixable)
"jsx-quotes": [2, "prefer-double"], // specify whether double or single quotes should be used in JSX attributes (fixable)
"key-spacing": [2, {"beforeColon": false, "afterColon": true}], // enforce spacing between keys and values in object literal properties
"keyword-spacing": [2, {"before": true, "after": true}], // enforce spacing before and after keywords (fixable)
"linebreak-style": [2, "unix"], // disallow mixed 'LF' and 'CRLF' as linebreaks
"lines-around-comment": [2, {"beforeBlockComment": true, "afterBlockComment": false, "afterLineComment": false}], // enforce empty lines around comments
"max-depth": [2, 3], // specify the maximum depth that blocks can be nested
"max-len": [2, 100, 2], // specify the maximum length of a line in your program
"max-nested-callbacks": [2, 3], // specify the maximum depth callbacks can be nested
"max-params": [2, 5], // limits the number of parameters that can be used in the function declaration
"max-statements": 0, // specify the maximum number of statement allowed in a function
"new-cap": [2, {"newIsCap": true, "capIsNew": false}], // require a capital letter for constructors
"new-parens": 2, // disallow the omission of parentheses when invoking a constructor with no arguments
"newline-after-var": [2, "always"], // require or disallow an empty newline after variable declarations
"newline-per-chained-call": 0, // enforce newline after each call when chaining the calls
"no-array-constructor": 2, // disallow use of the Array constructor
"no-bitwise": 2, // disallow use of bitwise operators
"no-continue": 2, // disallow use of the continue statement
"no-inline-comments": 2, // disallow comments inline after code
"no-lonely-if": 2, // disallow if as the only statement in an else block
"no-mixed-spaces-and-tabs": 2, // disallow mixed spaces and tabs for indentation (recommended)
"no-multiple-empty-lines": [2, {"max": 2}], // disallow multiple empty lines
"no-negated-condition": 2, // disallow negated conditions
"no-nested-ternary": 2, // disallow nested ternary expressions
"no-new-object": 2, // disallow the use of the Object constructor
"no-plusplus": 2, // disallow use of unary operators, ++ and --
"no-restricted-syntax": [2, "WithStatement"], // disallow use of certain syntax in code
"no-spaced-func": 2, // disallow space between function identifier and application (fixable)
"no-ternary": 0, // disallow the use of ternary operators
"no-trailing-spaces": 2, // disallow trailing whitespace at the end of lines (fixable)
"no-underscore-dangle": 2, // disallow dangling underscores in identifiers
"no-unneeded-ternary": 2, // disallow the use of ternary operators when a simpler alternative exists
"no-whitespace-before-property": 2, // disallow whitespace before properties
"object-curly-spacing": [1, "always"], // require or disallow padding inside curly braces (fixable)
"one-var": [2, "never"], // require or disallow one variable declaration per function
"one-var-declaration-per-line": 2, // require or disallow an newline around variable declarations
"operator-assignment": [2, "never"], // require assignment operator shorthand where possible or prohibit it entirely
"operator-linebreak": [2, "after"], // enforce operators to be placed before or after line breaks
"padded-blocks": [2, "never"], // enforce padding within blocks
"quote-props": [2, "as-needed"], // require quotes around object literal property names
"quotes": [2, "single"], // specify whether backticks, double or single quotes should be used (fixable)
"require-jsdoc": 0, // Require JSDoc comment
"semi": [1, "never"], // require or disallow use of semicolons instead of ASI (fixable)
"semi-spacing": [2, {"before": false, "after": true}], // enforce spacing before and after semicolons (fixable)
"sort-imports": 0, // sort import declarations within module
"sort-vars": 0, // sort variables within the same declaration block
"space-before-blocks": [2, "always"], // require or disallow a space before blocks (fixable)
"space-before-function-paren": [2, {"anonymous": "always", "named": "never"}], // require or disallow a space before function opening parenthesis (fixable)
"space-in-parens": [2, "never"], // require or disallow spaces inside parentheses (fixable)
"space-infix-ops": 2, // require spaces around operators (fixable)
"space-unary-ops": [2, {"words": true, "nonwords": false}], // require or disallow spaces before/after unary operators (fixable)
"spaced-comment": [2, "always"], // require or disallow a space immediately following the // or /* in a comment
"wrap-regex": 0, // require regex literals to be wrapped in parentheses
//
// ECMAScript 6
//
// These rules are only relevant to ES6 environments and are off by default.
//
"arrow-body-style": [2, "as-needed"], // require braces in arrow function body
"arrow-parens": [2, "as-needed"], // require parens in arrow function arguments
"arrow-spacing": 2, // require space before/after arrow function's arrow (fixable)
"constructor-super": 2, // verify calls of super() in constructors (recommended)
"generator-star-spacing": [2, "before"], // enforce spacing around the * in generator functions (fixable)
"no-class-assign": 2, // disallow modifying variables of class declarations (recommended)
"no-confusing-arrow": 0, // disallow arrow functions where they could be confused with comparisons
"no-const-assign": 2, // disallow modifying variables that are declared using const (recommended)
"no-dupe-class-members": 2, // disallow duplicate name in class members (recommended)
"no-new-symbol": 2, // disallow use of the new operator with the Symbol object (recommended)
"no-this-before-super": 2, // disallow use of this/super before calling super() in constructors (recommended)
"no-useless-constructor": 2, // disallow unnecessary constructor
"no-var": 2, // require let or const instead of var
"object-shorthand": 2, // require method and property shorthand syntax for object literals
"prefer-arrow-callback": 2, // suggest using arrow functions as callbacks
"prefer-const": 2, // suggest using const declaration for variables that are never modified after declared
"prefer-reflect": 0, // suggest using Reflect methods where applicable
"prefer-rest-params": 2, // suggest using the rest parameters instead of arguments
"prefer-spread": 2, // suggest using the spread operator instead of .apply()
"prefer-template": 2, // suggest using template literals instead of strings concatenation
"require-yield": 2, // disallow generator functions that do not have yield
"template-curly-spacing": 2, // enforce spacing around embedded expressions of template strings (fixable)
"yield-star-spacing": 2, // enforce spacing around the * in yield* expressions (fixable)
//
// eslint-plugin-react
//
// List of supported rules
//
"react/display-name": 0, // Prevent missing displayName in a React component definition
"react/forbid-prop-types": [2, {"forbid": ["any", "array"]}], // Forbid certain propTypes
"react/no-danger": 2, // Prevent usage of dangerous JSX properties
"react/no-deprecated": 2, // Prevent usage of deprecated methods
"react/no-did-mount-set-state": 2, // Prevent usage of setState in componentDidMount
"react/no-did-update-set-state": 2, // Prevent usage of setState in componentDidUpdate
"react/no-direct-mutation-state": 2, // Prevent direct mutation of this.state
"react/no-is-mounted": 2, // Prevent usage of isMounted
"react/no-multi-comp": 0, // Prevent multiple component definition per file
"react/no-set-state": 0, // Prevent usage of setState
"react/no-string-refs": 2, // Prevent using string references in ref attribute.
"react/no-unknown-property": 2, // Prevent usage of unknown DOM property (fixable)
"react/prefer-es6-class": 0, // Enforce ES5 or ES6 class for React Components
"react/prefer-stateless-function": 0, // Enforce stateless React Components to be written as a pure function
"react/prop-types": 2, // Prevent missing props validation in a React component definition
"react/react-in-jsx-scope": 2, // Prevent missing React when using JSX
// "react/require-extension": [1, {"extensions": [".js"]}], // Restrict file extensions that may be required
"react/self-closing-comp": 2, // Prevent extra closing tags for components without children
"react/sort-comp": 2, // Enforce component methods order
// "react/wrap-multilines": 2, // Prevent missing parentheses around multilines JSX (fixable)
"react/jsx-wrap-multilines": 0, // Prevent missing parentheses around multilines JSX (fixable)
//
// JSX-specific rules
//
"react/jsx-boolean-value": [2, "always"], // Enforce boolean attributes notation in JSX (fixable)
"react/jsx-closing-bracket-location": [2, {"selfClosing": "after-props", "nonEmpty": "after-props"}], // Validate closing bracket location in JSX
"react/jsx-curly-spacing": [2, "never"], // Enforce or disallow spaces inside of curly braces in JSX attributes (fixable)
"react/jsx-equals-spacing": 2, // Enforce or disallow spaces around equal signs in JSX attributes
"react/jsx-handler-names": [2, {"eventHandlerPrefix": "on", "eventHandlerPropPrefix": "on"}], // Enforce event handler naming conventions in JSX
"react/jsx-indent-props": [2, 2], // Validate props indentation in JSX
"react/jsx-indent": [2, 2], // Validate JSX indentation
"react/jsx-key": 2, // Validate JSX has key prop when in array or iterator
"react/jsx-max-props-per-line": [2, {"maximum": 4}], // Limit maximum of props on a single line in JSX
"react/jsx-no-bind": [2, {"allowArrowFunctions": true}], // Prevent usage of .bind() and arrow functions in JSX props
"react/jsx-no-duplicate-props": [2, {"ignoreCase": true}], // Prevent duplicate props in JSX
"react/jsx-no-literals": 0, // Prevent usage of unwrapped JSX strings
"react/jsx-no-undef": 2, // Disallow undeclared variables in JSX
"react/jsx-pascal-case": 2, // Enforce PascalCase for user-defined JSX components
"react/jsx-sort-prop-types": 0, // Enforce propTypes declarations alphabetical sorting
"react/jsx-sort-props": 2, // Enforce props alphabetical sorting
"react/jsx-space-before-closing": [2, "always"], // Validate spacing before closing bracket in JSX (fixable)
"react/jsx-uses-react": 2, // Prevent React to be incorrectly marked as unused
"react/jsx-uses-vars": 2 // Prevent variables used in JSX to be incorrectly marked as unused
},
"settings": {
"import/resolver": {
"node": {
"extensions": [".js", ".jsx", ".json"]
}
}
}
}
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