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408 lines
14 KiB
408 lines
14 KiB
module.exports = {
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rules: {
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// enforces getter/setter pairs in objects
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// https://eslint.org/docs/rules/accessor-pairs
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'accessor-pairs': 'off',
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// enforces return statements in callbacks of array's methods
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// https://eslint.org/docs/rules/array-callback-return
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'array-callback-return': ['error', { allowImplicit: true }],
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// treat var statements as if they were block scoped
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// https://eslint.org/docs/rules/block-scoped-var
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'block-scoped-var': 'error',
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// specify the maximum cyclomatic complexity allowed in a program
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// https://eslint.org/docs/rules/complexity
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complexity: ['off', 20],
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// enforce that class methods use "this"
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// https://eslint.org/docs/rules/class-methods-use-this
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'class-methods-use-this': ['error', {
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exceptMethods: [],
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}],
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// require return statements to either always or never specify values
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// https://eslint.org/docs/rules/consistent-return
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'consistent-return': 'error',
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// specify curly brace conventions for all control statements
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// https://eslint.org/docs/rules/curly
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curly: ['error', 'multi-line'], // multiline
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// require default case in switch statements
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// https://eslint.org/docs/rules/default-case
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'default-case': ['error', { commentPattern: '^no default$' }],
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// Enforce default clauses in switch statements to be last
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// https://eslint.org/docs/rules/default-case-last
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'default-case-last': 'error',
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// https://eslint.org/docs/rules/default-param-last
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'default-param-last': 'error',
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// encourages use of dot notation whenever possible
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// https://eslint.org/docs/rules/dot-notation
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'dot-notation': ['error', { allowKeywords: true }],
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// enforces consistent newlines before or after dots
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// https://eslint.org/docs/rules/dot-location
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'dot-location': ['error', 'property'],
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// require the use of === and !==
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// https://eslint.org/docs/rules/eqeqeq
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eqeqeq: ['error', 'always', { null: 'ignore' }],
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// Require grouped accessor pairs in object literals and classes
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// https://eslint.org/docs/rules/grouped-accessor-pairs
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'grouped-accessor-pairs': 'error',
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// make sure for-in loops have an if statement
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// https://eslint.org/docs/rules/guard-for-in
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'guard-for-in': 'error',
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// enforce a maximum number of classes per file
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// https://eslint.org/docs/rules/max-classes-per-file
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'max-classes-per-file': ['error', 1],
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// disallow the use of alert, confirm, and prompt
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// https://eslint.org/docs/rules/no-alert
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'no-alert': 'warn',
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// disallow use of arguments.caller or arguments.callee
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// https://eslint.org/docs/rules/no-caller
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'no-caller': 'error',
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// disallow lexical declarations in case/default clauses
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// https://eslint.org/docs/rules/no-case-declarations
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'no-case-declarations': 'error',
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// Disallow returning value in constructor
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// https://eslint.org/docs/rules/no-constructor-return
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'no-constructor-return': 'error',
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// disallow division operators explicitly at beginning of regular expression
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// https://eslint.org/docs/rules/no-div-regex
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'no-div-regex': 'off',
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// disallow else after a return in an if
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// https://eslint.org/docs/rules/no-else-return
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'no-else-return': ['error', { allowElseIf: false }],
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// disallow empty functions, except for standalone funcs/arrows
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// https://eslint.org/docs/rules/no-empty-function
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'no-empty-function': ['error', {
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allow: [
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'arrowFunctions',
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'functions',
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'methods',
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]
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}],
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// disallow empty destructuring patterns
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// https://eslint.org/docs/rules/no-empty-pattern
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'no-empty-pattern': 'error',
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// disallow comparisons to null without a type-checking operator
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// https://eslint.org/docs/rules/no-eq-null
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'no-eq-null': 'off',
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// disallow use of eval()
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// https://eslint.org/docs/rules/no-eval
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'no-eval': 'error',
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// disallow adding to native types
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// https://eslint.org/docs/rules/no-extend-native
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'no-extend-native': 'error',
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// disallow unnecessary function binding
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// https://eslint.org/docs/rules/no-extra-bind
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'no-extra-bind': 'error',
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// disallow Unnecessary Labels
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// https://eslint.org/docs/rules/no-extra-label
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'no-extra-label': 'error',
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// disallow fallthrough of case statements
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// https://eslint.org/docs/rules/no-fallthrough
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'no-fallthrough': 'error',
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// disallow the use of leading or trailing decimal points in numeric literals
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// https://eslint.org/docs/rules/no-floating-decimal
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'no-floating-decimal': 'error',
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// disallow reassignments of native objects or read-only globals
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// https://eslint.org/docs/rules/no-global-assign
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'no-global-assign': ['error', { exceptions: [] }],
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// deprecated in favor of no-global-assign
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// https://eslint.org/docs/rules/no-native-reassign
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'no-native-reassign': 'off',
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// disallow implicit type conversions
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// https://eslint.org/docs/rules/no-implicit-coercion
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'no-implicit-coercion': ['off', {
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boolean: false,
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number: true,
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string: true,
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allow: [],
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}],
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// disallow var and named functions in global scope
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// https://eslint.org/docs/rules/no-implicit-globals
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'no-implicit-globals': 'off',
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// disallow use of eval()-like methods
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// https://eslint.org/docs/rules/no-implied-eval
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'no-implied-eval': 'error',
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// disallow this keywords outside of classes or class-like objects
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// https://eslint.org/docs/rules/no-invalid-this
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'no-invalid-this': 'off',
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// disallow usage of __iterator__ property
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// https://eslint.org/docs/rules/no-iterator
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'no-iterator': 'error',
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// disallow use of labels for anything other than loops and switches
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// https://eslint.org/docs/rules/no-labels
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'no-labels': ['error', { allowLoop: false, allowSwitch: false }],
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// disallow unnecessary nested blocks
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// https://eslint.org/docs/rules/no-lone-blocks
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'no-lone-blocks': 'error',
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// disallow creation of functions within loops
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// https://eslint.org/docs/rules/no-loop-func
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'no-loop-func': 'error',
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// disallow magic numbers
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// https://eslint.org/docs/rules/no-magic-numbers
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'no-magic-numbers': ['off', {
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ignore: [],
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ignoreArrayIndexes: true,
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enforceConst: true,
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detectObjects: false,
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}],
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// disallow use of multiple spaces
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// https://eslint.org/docs/rules/no-multi-spaces
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'no-multi-spaces': ['error', {
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ignoreEOLComments: false,
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}],
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// disallow use of multiline strings
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// https://eslint.org/docs/rules/no-multi-str
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'no-multi-str': 'error',
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// disallow use of new operator when not part of the assignment or comparison
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// https://eslint.org/docs/rules/no-new
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'no-new': 'error',
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// disallow use of new operator for Function object
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// https://eslint.org/docs/rules/no-new-func
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'no-new-func': 'error',
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// disallows creating new instances of String, Number, and Boolean
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// https://eslint.org/docs/rules/no-new-wrappers
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'no-new-wrappers': 'error',
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// Disallow \8 and \9 escape sequences in string literals
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// https://eslint.org/docs/rules/no-nonoctal-decimal-escape
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'no-nonoctal-decimal-escape': 'error',
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// disallow use of (old style) octal literals
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// https://eslint.org/docs/rules/no-octal
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'no-octal': 'error',
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// disallow use of octal escape sequences in string literals, such as
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// var foo = 'Copyright \251';
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// https://eslint.org/docs/rules/no-octal-escape
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'no-octal-escape': 'error',
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// disallow reassignment of function parameters
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// disallow parameter object manipulation except for specific exclusions
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// rule: https://eslint.org/docs/rules/no-param-reassign.html
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'no-param-reassign': ['error', {
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props: true,
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ignorePropertyModificationsFor: [
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'acc', // for reduce accumulators
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'accumulator', // for reduce accumulators
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'e', // for e.returnvalue
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'ctx', // for Koa routing
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'context', // for Koa routing
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'req', // for Express requests
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'request', // for Express requests
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'res', // for Express responses
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'response', // for Express responses
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'$scope', // for Angular 1 scopes
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'staticContext', // for ReactRouter context
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]
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}],
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// disallow usage of __proto__ property
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// https://eslint.org/docs/rules/no-proto
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'no-proto': 'error',
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// disallow declaring the same variable more than once
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// https://eslint.org/docs/rules/no-redeclare
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'no-redeclare': 'error',
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// disallow certain object properties
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// https://eslint.org/docs/rules/no-restricted-properties
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'no-restricted-properties': ['error', {
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object: 'arguments',
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property: 'callee',
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message: 'arguments.callee is deprecated',
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}, {
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object: 'global',
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property: 'isFinite',
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message: 'Please use Number.isFinite instead',
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}, {
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object: 'self',
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property: 'isFinite',
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message: 'Please use Number.isFinite instead',
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}, {
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object: 'window',
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property: 'isFinite',
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message: 'Please use Number.isFinite instead',
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}, {
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object: 'global',
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property: 'isNaN',
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message: 'Please use Number.isNaN instead',
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}, {
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object: 'self',
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property: 'isNaN',
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message: 'Please use Number.isNaN instead',
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}, {
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object: 'window',
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property: 'isNaN',
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message: 'Please use Number.isNaN instead',
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}, {
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property: '__defineGetter__',
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message: 'Please use Object.defineProperty instead.',
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}, {
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property: '__defineSetter__',
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message: 'Please use Object.defineProperty instead.',
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}, {
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object: 'Math',
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property: 'pow',
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message: 'Use the exponentiation operator (**) instead.',
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}],
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// disallow use of assignment in return statement
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// https://eslint.org/docs/rules/no-return-assign
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'no-return-assign': ['error', 'always'],
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// disallow redundant `return await`
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// https://eslint.org/docs/rules/no-return-await
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'no-return-await': 'error',
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// disallow use of `javascript:` urls.
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// https://eslint.org/docs/rules/no-script-url
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'no-script-url': 'error',
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// disallow self assignment
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// https://eslint.org/docs/rules/no-self-assign
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'no-self-assign': ['error', {
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props: true,
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}],
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// disallow comparisons where both sides are exactly the same
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// https://eslint.org/docs/rules/no-self-compare
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'no-self-compare': 'error',
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// disallow use of comma operator
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// https://eslint.org/docs/rules/no-sequences
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'no-sequences': 'error',
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// restrict what can be thrown as an exception
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// https://eslint.org/docs/rules/no-throw-literal
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'no-throw-literal': 'error',
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// disallow unmodified conditions of loops
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// https://eslint.org/docs/rules/no-unmodified-loop-condition
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'no-unmodified-loop-condition': 'off',
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// disallow usage of expressions in statement position
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// https://eslint.org/docs/rules/no-unused-expressions
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'no-unused-expressions': ['error', {
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allowShortCircuit: false,
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allowTernary: false,
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allowTaggedTemplates: false,
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}],
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// disallow unused labels
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// https://eslint.org/docs/rules/no-unused-labels
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'no-unused-labels': 'error',
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// disallow unnecessary .call() and .apply()
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// https://eslint.org/docs/rules/no-useless-call
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'no-useless-call': 'off',
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// Disallow unnecessary catch clauses
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// https://eslint.org/docs/rules/no-useless-catch
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'no-useless-catch': 'error',
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// disallow useless string concatenation
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// https://eslint.org/docs/rules/no-useless-concat
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'no-useless-concat': 'error',
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// disallow unnecessary string escaping
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// https://eslint.org/docs/rules/no-useless-escape
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'no-useless-escape': 'error',
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// disallow redundant return; keywords
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// https://eslint.org/docs/rules/no-useless-return
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'no-useless-return': 'error',
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// disallow use of void operator
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// https://eslint.org/docs/rules/no-void
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'no-void': 'error',
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// disallow usage of configurable warning terms in comments: e.g. todo
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// https://eslint.org/docs/rules/no-warning-comments
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'no-warning-comments': ['off', { terms: ['todo', 'fixme', 'xxx'], location: 'start' }],
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// disallow use of the with statement
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// https://eslint.org/docs/rules/no-with
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'no-with': 'error',
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// require using Error objects as Promise rejection reasons
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// https://eslint.org/docs/rules/prefer-promise-reject-errors
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'prefer-promise-reject-errors': ['error', { allowEmptyReject: true }],
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// Suggest using named capture group in regular expression
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// https://eslint.org/docs/rules/prefer-named-capture-group
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'prefer-named-capture-group': 'off',
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// https://eslint.org/docs/rules/prefer-regex-literals
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'prefer-regex-literals': ['error', {
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disallowRedundantWrapping: true,
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}],
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// require use of the second argument for parseInt()
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// https://eslint.org/docs/rules/radix
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radix: 'error',
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// require `await` in `async function` (note: this is a horrible rule that should never be used)
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// https://eslint.org/docs/rules/require-await
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'require-await': 'off',
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// Enforce the use of u flag on RegExp
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// https://eslint.org/docs/rules/require-unicode-regexp
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'require-unicode-regexp': 'off',
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// requires to declare all vars on top of their containing scope
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// https://eslint.org/docs/rules/vars-on-top
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'vars-on-top': 'error',
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// require immediate function invocation to be wrapped in parentheses
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// https://eslint.org/docs/rules/wrap-iife.html
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'wrap-iife': ['error', 'outside', { functionPrototypeMethods: false }],
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// require or disallow Yoda conditions
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// https://eslint.org/docs/rules/yoda
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yoda: 'error'
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}
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};
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