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@emadb emadb/eslint.config.js
Last active Oct 28, 2016

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My Eslint configuration
{"rules": {
// https://github.com/airbnb/javascript/tree/master/packages/eslint-config-airbnb
/* best practices */
"accessor-pairs": 0,
// enforces return statements in callbacks of array's methods
// http://eslint.org/docs/rules/array-callback-return
"array-callback-return": 2,
// treat var statements as if they were block scoped
"block-scoped-var": 2,
// specify the maximum cyclomatic complexity allowed in a program
"complexity": [0, 11],
// require return statements to either always or never specify values
"consistent-return": 0,
// specify curly brace conventions for all control statements
"curly": [2, "multi-line"],
// require default case in switch statements
"default-case": 2,
// encourages use of dot notation whenever possible
"dot-notation": [2, { "allowKeywords": true }],
// enforces consistent newlines before or after dots
"dot-location": 0,
// require the use of === and !==
"eqeqeq": 2,
// make sure for-in loops have an if statement
"guard-for-in": 2,
// Blacklist certain identifiers to prevent them being used
// http://eslint.org/docs/rules/id-blacklist
"id-blacklist": 0,
// disallow the use of alert, confirm, and prompt
"no-alert": 0,
// disallow use of arguments.caller or arguments.callee
"no-caller": 2,
// disallow lexical declarations in case/default clauses
// http://eslint.org/docs/rules/no-case-declarations.html
"no-case-declarations": 2,
// disallow division operators explicitly at beginning of regular expression
"no-div-regex": 0,
// disallow else after a return in an if
"no-else-return": 2,
// disallow Unnecessary Labels
// http://eslint.org/docs/rules/no-extra-label
"no-extra-label": 2,
// disallow comparisons to null without a type-checking operator
"no-eq-null": 0,
// disallow use of eval()
"no-eval": 2,
// disallow adding to native types
"no-extend-native": 2,
// disallow unnecessary function binding
"no-extra-bind": 2,
// disallow fallthrough of case statements
"no-fallthrough": 2,
// disallow the use of leading or trailing decimal points in numeric literals
"no-floating-decimal": 2,
// disallow the type conversions with shorter notations
"no-implicit-coercion": 0,
// disallow use of eval()-like methods
"no-implied-eval": 2,
// disallow this keywords outside of classes or class-like objects
"no-invalid-this": 0,
// disallow usage of __iterator__ property
"no-iterator": 2,
// disallow use of labels for anything other then loops and switches
"no-labels": [2, { "allowLoop": false, "allowSwitch": false }],
// disallow unnecessary nested blocks
"no-lone-blocks": 2,
// disallow creation of functions within loops
"no-loop-func": 2,
// disallow use of multiple spaces
"no-multi-spaces": 2,
// disallow use of multiline strings
"no-multi-str": 2,
// disallow reassignments of native objects
"no-native-reassign": 2,
// disallow use of new operator when not part of the assignment or comparison
"no-new": 0,
// disallow use of new operator for Function object
"no-new-func": 2,
// disallows creating new instances of String, Number, and Boolean
"no-new-wrappers": 2,
// disallow use of (old style) octal literals
"no-octal": 2,
// disallow use of octal escape sequences in string literals, such as
// var foo = "Copyright \251";
"no-octal-escape": 2,
// disallow reassignment of function parameters
// disallow parameter object manipulation
// rule: http://eslint.org/docs/rules/no-param-reassign.html
"no-param-reassign": [2, { "props": false }],
// disallow use of process.env
"no-process-env": 0,
// disallow usage of __proto__ property
"no-proto": 2,
// disallow declaring the same variable more then once
"no-redeclare": 2,
// disallow use of assignment in return statement
"no-return-assign": 2,
// disallow use of `javascript:` urls.
"no-script-url": 2,
// disallow comparisons where both sides are exactly the same
"no-self-compare": 2,
// disallow use of comma operator
"no-sequences": 2,
// restrict what can be thrown as an exception
"no-throw-literal": 2,
// disallow unmodified conditions of loops
// http://eslint.org/docs/rules/no-unmodified-loop-condition
"no-unmodified-loop-condition": 0,
// disallow usage of expressions in statement position
"no-unused-expressions": 2,
// disallow unused labels
// http://eslint.org/docs/rules/no-unused-labels
"no-unused-labels": 2,
// disallow unnecessary .call() and .apply()
"no-useless-call": 0,
// disallow use of void operator
"no-void": 0,
// disallow usage of configurable warning terms in comments: e.g. todo
"no-warning-comments": [0, { "terms": ["todo", "fixme", "xxx"], "location": "start" }],
// disallow use of the with statement
"no-with": 2,
// require use of the second argument for parseInt()
"radix": 2,
// requires to declare all vars on top of their containing scope
"vars-on-top": 2,
// require immediate function invocation to be wrapped in parentheses
// http://eslint.org/docs/rules/wrap-iife.html
"wrap-iife": [2, "outside"],
// require or disallow Yoda conditions
"yoda": 2,
/* Errors */
// disallow assignment in conditional expressions
"no-cond-assign": [2, "always"],
// disallow use of constant expressions in conditions
"no-constant-condition": 1,
// disallow control characters in regular expressions
"no-control-regex": 2,
// disallow use of debugger
"no-debugger": 1,
// disallow duplicate arguments in functions
"no-dupe-args": 2,
// disallow duplicate keys when creating object literals
"no-dupe-keys": 2,
// disallow a duplicate case label.
"no-duplicate-case": 2,
// disallow the use of empty character classes in regular expressions
"no-empty-character-class": 2,
// disallow empty statements
"no-empty": 2,
// disallow assigning to the exception in a catch block
"no-ex-assign": 2,
// disallow double-negation boolean casts in a boolean context
"no-extra-boolean-cast": 0,
// disallow unnecessary parentheses
"no-extra-parens": [2, "functions"],
// disallow unnecessary semicolons
"no-extra-semi": 2,
// disallow overwriting functions written as function declarations
"no-func-assign": 2,
// disallow function or variable declarations in nested blocks
"no-inner-declarations": 2,
// disallow invalid regular expression strings in the RegExp constructor
"no-invalid-regexp": 2,
// disallow irregular whitespace outside of strings and comments
"no-irregular-whitespace": 2,
// disallow negation of the left operand of an in expression
"no-negated-in-lhs": 2,
// disallow the use of object properties of the global object (Math and JSON) as functions
"no-obj-calls": 2,
// disallow multiple spaces in a regular expression literal
"no-regex-spaces": 2,
// disallow sparse arrays
"no-sparse-arrays": 2,
// disallow unreachable statements after a return, throw, continue, or break statement
"no-unreachable": 2,
// disallow comparisons with the value NaN
"use-isnan": 2,
// ensure JSDoc comments are valid
"valid-jsdoc": 0,
// ensure that the results of typeof are compared against a valid string
"valid-typeof": 2,
// Avoid code that looks like two expressions but is actually one
"no-unexpected-multiline": 0,
/* Legacy */
// disallow trailing commas in object literals
"comma-dangle": [2, "never"],
// specify the maximum depth that blocks can be nested
"max-depth": [0, 4],
// limits the number of parameters that can be used in the function declaration.
"max-params": [0, 3],
// specify the maximum number of statement allowed in a function
"max-statements": [0, 10],
// disallow use of bitwise operators
"no-bitwise": 0,
// disallow use of unary operators, ++ and --
"no-plusplus": 0,
/* Node */
// enforce return after a callback
"callback-return": 0,
// enforces error handling in callbacks (node environment)
"handle-callback-err": 0,
// disallow mixing regular variable and require declarations
"no-mixed-requires": [0, false],
// disallow use of new operator with the require function
"no-new-require": 0,
// disallow string concatenation with __dirname and __filename
"no-path-concat": 0,
// disallow process.exit()
"no-process-exit": 0,
// restrict usage of specified node modules
"no-restricted-modules": 0,
// disallow use of synchronous methods (off by default)
"no-sync": 0,
/* Variables */
// enforce or disallow variable initializations at definition
"init-declarations": 0,
// disallow the catch clause parameter name being the same as a variable in the outer scope
"no-catch-shadow": 0,
// disallow deletion of variables
"no-delete-var": 2,
// disallow var and named functions in global scope
// http://eslint.org/docs/rules/no-implicit-globals
"no-implicit-globals": 0,
// disallow labels that share a name with a variable
"no-label-var": 0,
// disallow self assignment
// http://eslint.org/docs/rules/no-self-assign
"no-self-assign": 2,
// disallow shadowing of names such as arguments
"no-shadow-restricted-names": 2,
// disallow declaration of variables already declared in the outer scope
"no-shadow": 2,
// disallow use of undefined when initializing variables
"no-undef-init": 0,
// disallow use of undeclared variables unless mentioned in a /*global */ block
"no-undef": 2,
// disallow use of undefined variable
"no-undefined": 0,
// disallow declaration of variables that are not used in the code
"no-unused-vars": [2, { "vars": "local", "args": "after-used" }],
// disallow use of variables before they are defined
"no-use-before-define": 0,
/* ES6 */
// enforces no braces where they can be omitted
// http://eslint.org/docs/rules/arrow-body-style
"arrow-body-style": [0, "as-needed"],
// require parens in arrow function arguments
"arrow-parens": 0,
// require space before/after arrow function's arrow
// https://github.com/eslint/eslint/blob/master/docs/rules/arrow-spacing.md
"arrow-spacing": [2, { "before": true, "after": true }],
// verify super() callings in constructors
"constructor-super": 0,
// enforce the spacing around the * in generator functions
"generator-star-spacing": 0,
// disallow modifying variables of class declarations
"no-class-assign": 0,
// disallow arrow functions where they could be confused with comparisons
// http://eslint.org/docs/rules/no-confusing-arrow
"no-confusing-arrow": [2, { "allowParens": true }],
// disallow modifying variables that are declared using const
"no-const-assign": 2,
// disallow symbol constructor
// http://eslint.org/docs/rules/no-new-symbol
"no-new-symbol": 2,
// disallow specific globals
"no-restricted-globals": 0,
// disallow specific imports
// http://eslint.org/docs/rules/no-restricted-imports
"no-restricted-imports": 0,
// disallow to use this/super before super() calling in constructors.
"no-this-before-super": 0,
// require let or const instead of var
"no-var": 0,
// disallow unnecessary constructor
// http://eslint.org/docs/rules/no-useless-constructor
"no-useless-constructor": 2,
// require method and property shorthand syntax for object literals
// https://github.com/eslint/eslint/blob/master/docs/rules/object-shorthand.md
"object-shorthand": [0, "always"],
// suggest using arrow functions as callbacks
"prefer-arrow-callback": 0,
// suggest using of const declaration for variables that are never modified after declared
"prefer-const": 2,
// suggest using the spread operator instead of .apply()
"prefer-spread": 0,
// suggest using Reflect methods where applicable
"prefer-reflect": 0,
// use rest parameters instead of arguments
// http://eslint.org/docs/rules/prefer-rest-params
"prefer-rest-params": 2,
// suggest using template literals instead of string concatenation
// http://eslint.org/docs/rules/prefer-template
"prefer-template": 1,
// disallow generator functions that do not have yield
"require-yield": 0,
// import sorting
// http://eslint.org/docs/rules/sort-imports
"sort-imports": 0,
// enforce usage of spacing in template strings
// http://eslint.org/docs/rules/template-curly-spacing
"template-curly-spacing": 2,
// enforce spacing around the * in yield* expressions
// http://eslint.org/docs/rules/yield-star-spacing
"yield-star-spacing": [2, "after"],
"indent": ["error", 2]
},
"parserOptions": {
"ecmaVersion": 6,
"sourceType": "module"
},
"env":{
"browser": false,
"node": true,
"es6": true,
"mocha": true
}
}
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