merge completed... now to fix all the bugs...

node_modules/eslint-config-airbnb-base/rules/best-practices.js

@@ -0,0 +1,408 @@
+module.exports = {
+  rules: {
+    // enforces getter/setter pairs in objects
+    // https://eslint.org/docs/rules/accessor-pairs
+    'accessor-pairs': 'off',
+
+    // enforces return statements in callbacks of array's methods
+    // https://eslint.org/docs/rules/array-callback-return
+    'array-callback-return': ['error', { allowImplicit: true }],
+
+    // treat var statements as if they were block scoped
+    // https://eslint.org/docs/rules/block-scoped-var
+    'block-scoped-var': 'error',
+
+    // specify the maximum cyclomatic complexity allowed in a program
+    // https://eslint.org/docs/rules/complexity
+    complexity: ['off', 20],
+
+    // enforce that class methods use "this"
+    // https://eslint.org/docs/rules/class-methods-use-this
+    'class-methods-use-this': ['error', {
+      exceptMethods: [],
+    }],
+
+    // require return statements to either always or never specify values
+    // https://eslint.org/docs/rules/consistent-return
+    'consistent-return': 'error',
+
+    // specify curly brace conventions for all control statements
+    // https://eslint.org/docs/rules/curly
+    curly: ['error', 'multi-line'], // multiline
+
+    // require default case in switch statements
+    // https://eslint.org/docs/rules/default-case
+    'default-case': ['error', { commentPattern: '^no default$' }],
+
+    // Enforce default clauses in switch statements to be last
+    // https://eslint.org/docs/rules/default-case-last
+    'default-case-last': 'error',
+
+    // https://eslint.org/docs/rules/default-param-last
+    'default-param-last': 'error',
+
+    // encourages use of dot notation whenever possible
+    // https://eslint.org/docs/rules/dot-notation
+    'dot-notation': ['error', { allowKeywords: true }],
+
+    // enforces consistent newlines before or after dots
+    // https://eslint.org/docs/rules/dot-location
+    'dot-location': ['error', 'property'],
+
+    // require the use of === and !==
+    // https://eslint.org/docs/rules/eqeqeq
+    eqeqeq: ['error', 'always', { null: 'ignore' }],
+
+    // Require grouped accessor pairs in object literals and classes
+    // https://eslint.org/docs/rules/grouped-accessor-pairs
+    'grouped-accessor-pairs': 'error',
+
+    // make sure for-in loops have an if statement
+    // https://eslint.org/docs/rules/guard-for-in
+    'guard-for-in': 'error',
+
+    // enforce a maximum number of classes per file
+    // https://eslint.org/docs/rules/max-classes-per-file
+    'max-classes-per-file': ['error', 1],
+
+    // disallow the use of alert, confirm, and prompt
+    // https://eslint.org/docs/rules/no-alert
+    'no-alert': 'warn',
+
+    // disallow use of arguments.caller or arguments.callee
+    // https://eslint.org/docs/rules/no-caller
+    'no-caller': 'error',
+
+    // disallow lexical declarations in case/default clauses
+    // https://eslint.org/docs/rules/no-case-declarations
+    'no-case-declarations': 'error',
+
+    // Disallow returning value in constructor
+    // https://eslint.org/docs/rules/no-constructor-return
+    'no-constructor-return': 'error',
+
+    // disallow division operators explicitly at beginning of regular expression
+    // https://eslint.org/docs/rules/no-div-regex
+    'no-div-regex': 'off',
+
+    // disallow else after a return in an if
+    // https://eslint.org/docs/rules/no-else-return
+    'no-else-return': ['error', { allowElseIf: false }],
+
+    // disallow empty functions, except for standalone funcs/arrows
+    // https://eslint.org/docs/rules/no-empty-function
+    'no-empty-function': ['error', {
+      allow: [
+        'arrowFunctions',
+        'functions',
+        'methods',
+      ]
+    }],
+
+    // disallow empty destructuring patterns
+    // https://eslint.org/docs/rules/no-empty-pattern
+    'no-empty-pattern': 'error',
+
+    // disallow comparisons to null without a type-checking operator
+    // https://eslint.org/docs/rules/no-eq-null
+    'no-eq-null': 'off',
+
+    // disallow use of eval()
+    // https://eslint.org/docs/rules/no-eval
+    'no-eval': 'error',
+
+    // disallow adding to native types
+    // https://eslint.org/docs/rules/no-extend-native
+    'no-extend-native': 'error',
+
+    // disallow unnecessary function binding
+    // https://eslint.org/docs/rules/no-extra-bind
+    'no-extra-bind': 'error',
+
+    // disallow Unnecessary Labels
+    // https://eslint.org/docs/rules/no-extra-label
+    'no-extra-label': 'error',
+
+    // disallow fallthrough of case statements
+    // https://eslint.org/docs/rules/no-fallthrough
+    'no-fallthrough': 'error',
+
+    // disallow the use of leading or trailing decimal points in numeric literals
+    // https://eslint.org/docs/rules/no-floating-decimal
+    'no-floating-decimal': 'error',
+
+    // disallow reassignments of native objects or read-only globals
+    // https://eslint.org/docs/rules/no-global-assign
+    'no-global-assign': ['error', { exceptions: [] }],
+
+    // deprecated in favor of no-global-assign
+    // https://eslint.org/docs/rules/no-native-reassign
+    'no-native-reassign': 'off',
+
+    // disallow implicit type conversions
+    // https://eslint.org/docs/rules/no-implicit-coercion
+    'no-implicit-coercion': ['off', {
+      boolean: false,
+      number: true,
+      string: true,
+      allow: [],
+    }],
+
+    // disallow var and named functions in global scope
+    // https://eslint.org/docs/rules/no-implicit-globals
+    'no-implicit-globals': 'off',
+
+    // disallow use of eval()-like methods
+    // https://eslint.org/docs/rules/no-implied-eval
+    'no-implied-eval': 'error',
+
+    // disallow this keywords outside of classes or class-like objects
+    // https://eslint.org/docs/rules/no-invalid-this
+    'no-invalid-this': 'off',
+
+    // disallow usage of __iterator__ property
+    // https://eslint.org/docs/rules/no-iterator
+    'no-iterator': 'error',
+
+    // disallow use of labels for anything other than loops and switches
+    // https://eslint.org/docs/rules/no-labels
+    'no-labels': ['error', { allowLoop: false, allowSwitch: false }],
+
+    // disallow unnecessary nested blocks
+    // https://eslint.org/docs/rules/no-lone-blocks
+    'no-lone-blocks': 'error',
+
+    // disallow creation of functions within loops
+    // https://eslint.org/docs/rules/no-loop-func
+    'no-loop-func': 'error',
+
+    // disallow magic numbers
+    // https://eslint.org/docs/rules/no-magic-numbers
+    'no-magic-numbers': ['off', {
+      ignore: [],
+      ignoreArrayIndexes: true,
+      enforceConst: true,
+      detectObjects: false,
+    }],
+
+    // disallow use of multiple spaces
+    // https://eslint.org/docs/rules/no-multi-spaces
+    'no-multi-spaces': ['error', {
+      ignoreEOLComments: false,
+    }],
+
+    // disallow use of multiline strings
+    // https://eslint.org/docs/rules/no-multi-str
+    'no-multi-str': 'error',
+
+    // disallow use of new operator when not part of the assignment or comparison
+    // https://eslint.org/docs/rules/no-new
+    'no-new': 'error',
+
+    // disallow use of new operator for Function object
+    // https://eslint.org/docs/rules/no-new-func
+    'no-new-func': 'error',
+
+    // disallows creating new instances of String, Number, and Boolean
+    // https://eslint.org/docs/rules/no-new-wrappers
+    'no-new-wrappers': 'error',
+
+    // Disallow \8 and \9 escape sequences in string literals
+    // https://eslint.org/docs/rules/no-nonoctal-decimal-escape
+    'no-nonoctal-decimal-escape': 'error',
+
+    // disallow use of (old style) octal literals
+    // https://eslint.org/docs/rules/no-octal
+    'no-octal': 'error',
+
+    // disallow use of octal escape sequences in string literals, such as
+    // var foo = 'Copyright \251';
+    // https://eslint.org/docs/rules/no-octal-escape
+    'no-octal-escape': 'error',
+
+    // disallow reassignment of function parameters
+    // disallow parameter object manipulation except for specific exclusions
+    // rule: https://eslint.org/docs/rules/no-param-reassign.html
+    'no-param-reassign': ['error', {
+      props: true,
+      ignorePropertyModificationsFor: [
+        'acc', // for reduce accumulators
+        'accumulator', // for reduce accumulators
+        'e', // for e.returnvalue
+        'ctx', // for Koa routing
+        'context', // for Koa routing
+        'req', // for Express requests
+        'request', // for Express requests
+        'res', // for Express responses
+        'response', // for Express responses
+        '$scope', // for Angular 1 scopes
+        'staticContext', // for ReactRouter context
+      ]
+    }],
+
+    // disallow usage of __proto__ property
+    // https://eslint.org/docs/rules/no-proto
+    'no-proto': 'error',
+
+    // disallow declaring the same variable more than once
+    // https://eslint.org/docs/rules/no-redeclare
+    'no-redeclare': 'error',
+
+    // disallow certain object properties
+    // https://eslint.org/docs/rules/no-restricted-properties
+    'no-restricted-properties': ['error', {
+      object: 'arguments',
+      property: 'callee',
+      message: 'arguments.callee is deprecated',
+    }, {
+      object: 'global',
+      property: 'isFinite',
+      message: 'Please use Number.isFinite instead',
+    }, {
+      object: 'self',
+      property: 'isFinite',
+      message: 'Please use Number.isFinite instead',
+    }, {
+      object: 'window',
+      property: 'isFinite',
+      message: 'Please use Number.isFinite instead',
+    }, {
+      object: 'global',
+      property: 'isNaN',
+      message: 'Please use Number.isNaN instead',
+    }, {
+      object: 'self',
+      property: 'isNaN',
+      message: 'Please use Number.isNaN instead',
+    }, {
+      object: 'window',
+      property: 'isNaN',
+      message: 'Please use Number.isNaN instead',
+    }, {
+      property: '__defineGetter__',
+      message: 'Please use Object.defineProperty instead.',
+    }, {
+      property: '__defineSetter__',
+      message: 'Please use Object.defineProperty instead.',
+    }, {
+      object: 'Math',
+      property: 'pow',
+      message: 'Use the exponentiation operator (**) instead.',
+    }],
+
+    // disallow use of assignment in return statement
+    // https://eslint.org/docs/rules/no-return-assign
+    'no-return-assign': ['error', 'always'],
+
+    // disallow redundant `return await`
+    // https://eslint.org/docs/rules/no-return-await
+    'no-return-await': 'error',
+
+    // disallow use of `javascript:` urls.
+    // https://eslint.org/docs/rules/no-script-url
+    'no-script-url': 'error',
+
+    // disallow self assignment
+    // https://eslint.org/docs/rules/no-self-assign
+    'no-self-assign': ['error', {
+      props: true,
+    }],
+
+    // disallow comparisons where both sides are exactly the same
+    // https://eslint.org/docs/rules/no-self-compare
+    'no-self-compare': 'error',
+
+    // disallow use of comma operator
+    // https://eslint.org/docs/rules/no-sequences
+    'no-sequences': 'error',
+
+    // restrict what can be thrown as an exception
+    // https://eslint.org/docs/rules/no-throw-literal
+    'no-throw-literal': 'error',
+
+    // disallow unmodified conditions of loops
+    // https://eslint.org/docs/rules/no-unmodified-loop-condition
+    'no-unmodified-loop-condition': 'off',
+
+    // disallow usage of expressions in statement position
+    // https://eslint.org/docs/rules/no-unused-expressions
+    'no-unused-expressions': ['error', {
+      allowShortCircuit: false,
+      allowTernary: false,
+      allowTaggedTemplates: false,
+    }],
+
+    // disallow unused labels
+    // https://eslint.org/docs/rules/no-unused-labels
+    'no-unused-labels': 'error',
+
+    // disallow unnecessary .call() and .apply()
+    // https://eslint.org/docs/rules/no-useless-call
+    'no-useless-call': 'off',
+
+    // Disallow unnecessary catch clauses
+    // https://eslint.org/docs/rules/no-useless-catch
+    'no-useless-catch': 'error',
+
+    // disallow useless string concatenation
+    // https://eslint.org/docs/rules/no-useless-concat
+    'no-useless-concat': 'error',
+
+    // disallow unnecessary string escaping
+    // https://eslint.org/docs/rules/no-useless-escape
+    'no-useless-escape': 'error',
+
+    // disallow redundant return; keywords
+    // https://eslint.org/docs/rules/no-useless-return
+    'no-useless-return': 'error',
+
+    // disallow use of void operator
+    // https://eslint.org/docs/rules/no-void
+    'no-void': 'error',
+
+    // disallow usage of configurable warning terms in comments: e.g. todo
+    // https://eslint.org/docs/rules/no-warning-comments
+    'no-warning-comments': ['off', { terms: ['todo', 'fixme', 'xxx'], location: 'start' }],
+
+    // disallow use of the with statement
+    // https://eslint.org/docs/rules/no-with
+    'no-with': 'error',
+
+    // require using Error objects as Promise rejection reasons
+    // https://eslint.org/docs/rules/prefer-promise-reject-errors
+    'prefer-promise-reject-errors': ['error', { allowEmptyReject: true }],
+
+    // Suggest using named capture group in regular expression
+    // https://eslint.org/docs/rules/prefer-named-capture-group
+    'prefer-named-capture-group': 'off',
+
+    // https://eslint.org/docs/rules/prefer-regex-literals
+    'prefer-regex-literals': ['error', {
+      disallowRedundantWrapping: true,
+    }],
+
+    // require use of the second argument for parseInt()
+    // https://eslint.org/docs/rules/radix
+    radix: 'error',
+
+    // require `await` in `async function` (note: this is a horrible rule that should never be used)
+    // https://eslint.org/docs/rules/require-await
+    'require-await': 'off',
+
+    // Enforce the use of u flag on RegExp
+    // https://eslint.org/docs/rules/require-unicode-regexp
+    'require-unicode-regexp': 'off',
+
+    // requires to declare all vars on top of their containing scope
+    // https://eslint.org/docs/rules/vars-on-top
+    'vars-on-top': 'error',
+
+    // require immediate function invocation to be wrapped in parentheses
+    // https://eslint.org/docs/rules/wrap-iife.html
+    'wrap-iife': ['error', 'outside', { functionPrototypeMethods: false }],
+
+    // require or disallow Yoda conditions
+    // https://eslint.org/docs/rules/yoda
+    yoda: 'error'
+  }
+};