.eslintrc
{
"parserOptions": {
"esmaVersion": 6,
"sourceType": "module",
"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
}
},
"env": {
"browser": false,
"node": true,
"es6": true
},
"rules": {
//
//Possible Errors
//
// The following rules point out areas where you might have made mistakes.
//
"comma-dangle": 2,
// disallow or enforce trailing commas
"no-cond-assign": 2,
// disallow assignment in conditional expressions
"no-console": 1,
// 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": 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": 0,
// 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
//
// 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). 0: deep destructuring is not compatible https://github.com/eslint/eslint/issues/1863
"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": 0,
// specify curly brace conventions for all control statements
"default-case": 0,
// require default case in switch statements (off by default)
"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 (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": 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-labels": 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-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-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": 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 (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": [
0,
{
"terms": [
"todo",
"fixme"
],
"location": "start"
}
],
// disallow usage of configurable warning terms in comments": 2, // 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,
// require immediate function invocation to be wrapped in parentheses (off by default)
"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.
//
"no-catch-shadow": 2,
// 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
//
//Stylistic Issues
//
// These rules are purely matters of style and are quite subjective.
//
"indent": [
0,
2
],
// this option sets a specific tab width for your code (off by default)
"brace-style": 1,
// enforce one true brace style (off by default)
"camelcase": 0,
// 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)
"consistent-this": [
1,
"_this"
],
// 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)
"key-spacing": [
1,
{
"beforeColon": false,
"afterColon": true
}
],
// enforces spacing between keys and values in object literal properties
"max-nested-callbacks": [
1,
3
],
// specify the maximum depth callbacks can be nested (off by default)
"new-cap": [
1,
{
"newIsCap": true,
"capIsNew": false
}
],
// require a capital letter for constructors
"new-parens": 1,
// 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": 1,
// disallow use of the Array constructor
"no-inline-comments": 1,
// disallow comments inline after code (off by default)
"no-lonely-if": 1,
// disallow if as the only statement in an else block (off by default)
"no-mixed-spaces-and-tabs": 1,
// disallow mixed spaces and tabs for indentation
"no-multiple-empty-lines": [
1,
{
"max": 2
}
],
// disallow multiple empty lines (off by default)
"no-nested-ternary": 1,
// disallow nested ternary expressions (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": 1,
// disallow dangling underscores in identifiers
"one-var": [
1,
"never"
],
// allow just one var statement per function (off by default)
"operator-assignment": [
1,
"never"
],
// require assignment operator shorthand where possible or prohibit it entirely (off by default)
"padded-blocks": [
1,
"never"
],
// enforce padding within blocks (off by default)
"quote-props": [
0,
"as-needed"
],
// specify whether double or single quotes should be used
"semi": [
1,
"always"
],
// require or disallow use of semicolons instead of ASI
"semi-spacing": [
1,
{
"before": false,
"after": true
}
],
// enforce spacing before and after semicolons
"sort-vars": 0,
// require a space after certain keywords (off by default)
"space-before-blocks": [
1,
"always"
],
// require or disallow space before blocks (off by default)
"space-before-function-paren": [
1,
{
"anonymous": "always",
"named": "never"
}
],
// require or disallow space before function opening parenthesis (off by default)
"space-in-parens": [
1,
"never"
],
// require or disallow spaces inside parentheses (off by default)
"space-infix-ops": [
1,
{
"int32Hint": false
}
],
// require spaces around operators
"keyword-spacing": [
1
],
// require a space after return, throw, and case
"space-unary-ops": [
1,
{
"words": true,
"nonwords": false
}
],
// Require or disallow spaces before/after unary operators (words on by default, nonwords off by default)
"wrap-regex": 0,
// require regex literals to be wrapped in parentheses (off by default)
//
// ECMAScript 6
//
// These rules are only relevant to ES6 environments and are off by default.
//
"no-var": 2,
// require let or const instead of var (off by default)
// "gespa
// enforce the spacing around the * in generator functions (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": [
2,
3
],
// specify the maximum depth that blocks can be nested (off by default)
"max-len": [
2,
140,
2
],
// specify the maximum length of a line in your program (off by default)
"max-params": [
2,
6
],
// 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": 2,
// disallow use of unary operators, ++ and -- (off by default)
"async-await/space-after-async": 0,
"async-await/space-after-await": 2
},
"plugins": [
"async-await"
],
"parser": "babel-eslint"
}