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'
+  }
+};

node_modules/eslint-config-airbnb-base/rules/errors.js

@@ -0,0 +1,179 @@
+module.exports = {
+  rules: {
+    // Enforce “for” loop update clause moving the counter in the right direction
+    // https://eslint.org/docs/rules/for-direction
+    'for-direction': 'error',
+
+    // Enforces that a return statement is present in property getters
+    // https://eslint.org/docs/rules/getter-return
+    'getter-return': ['error', { allowImplicit: true }],
+
+    // disallow using an async function as a Promise executor
+    // https://eslint.org/docs/rules/no-async-promise-executor
+    'no-async-promise-executor': 'error',
+
+    // Disallow await inside of loops
+    // https://eslint.org/docs/rules/no-await-in-loop
+    'no-await-in-loop': 'error',
+
+    // Disallow comparisons to negative zero
+    // https://eslint.org/docs/rules/no-compare-neg-zero
+    'no-compare-neg-zero': 'error',
+
+    // disallow assignment in conditional expressions
+    'no-cond-assign': ['error', 'always'],
+
+    // disallow use of console
+    'no-console': 'warn',
+
+    // disallow use of constant expressions in conditions
+    'no-constant-condition': 'warn',
+
+    // disallow control characters in regular expressions
+    'no-control-regex': 'error',
+
+    // disallow use of debugger
+    'no-debugger': 'error',
+
+    // disallow duplicate arguments in functions
+    'no-dupe-args': 'error',
+
+    // Disallow duplicate conditions in if-else-if chains
+    // https://eslint.org/docs/rules/no-dupe-else-if
+    'no-dupe-else-if': 'error',
+
+    // disallow duplicate keys when creating object literals
+    'no-dupe-keys': 'error',
+
+    // disallow a duplicate case label.
+    'no-duplicate-case': 'error',
+
+    // disallow empty statements
+    'no-empty': 'error',
+
+    // disallow the use of empty character classes in regular expressions
+    'no-empty-character-class': 'error',
+
+    // disallow assigning to the exception in a catch block
+    'no-ex-assign': 'error',
+
+    // disallow double-negation boolean casts in a boolean context
+    // https://eslint.org/docs/rules/no-extra-boolean-cast
+    'no-extra-boolean-cast': 'error',
+
+    // disallow unnecessary parentheses
+    // https://eslint.org/docs/rules/no-extra-parens
+    'no-extra-parens': ['off', 'all', {
+      conditionalAssign: true,
+      nestedBinaryExpressions: false,
+      returnAssign: false,
+      ignoreJSX: 'all', // delegate to eslint-plugin-react
+      enforceForArrowConditionals: false,
+    }],
+
+    // disallow unnecessary semicolons
+    'no-extra-semi': 'error',
+
+    // disallow overwriting functions written as function declarations
+    'no-func-assign': 'error',
+
+    // https://eslint.org/docs/rules/no-import-assign
+    'no-import-assign': 'error',
+
+    // disallow function or variable declarations in nested blocks
+    'no-inner-declarations': 'error',
+
+    // disallow invalid regular expression strings in the RegExp constructor
+    'no-invalid-regexp': 'error',
+
+    // disallow irregular whitespace outside of strings and comments
+    'no-irregular-whitespace': 'error',
+
+    // Disallow Number Literals That Lose Precision
+    // https://eslint.org/docs/rules/no-loss-of-precision
+    'no-loss-of-precision': 'error',
+
+    // Disallow characters which are made with multiple code points in character class syntax
+    // https://eslint.org/docs/rules/no-misleading-character-class
+    'no-misleading-character-class': 'error',
+
+    // disallow the use of object properties of the global object (Math and JSON) as functions
+    'no-obj-calls': 'error',
+
+    // Disallow returning values from Promise executor functions
+    // https://eslint.org/docs/rules/no-promise-executor-return
+    'no-promise-executor-return': 'error',
+
+    // disallow use of Object.prototypes builtins directly
+    // https://eslint.org/docs/rules/no-prototype-builtins
+    'no-prototype-builtins': 'error',
+
+    // disallow multiple spaces in a regular expression literal
+    'no-regex-spaces': 'error',
+
+    // Disallow returning values from setters
+    // https://eslint.org/docs/rules/no-setter-return
+    'no-setter-return': 'error',
+
+    // disallow sparse arrays
+    'no-sparse-arrays': 'error',
+
+    // Disallow template literal placeholder syntax in regular strings
+    // https://eslint.org/docs/rules/no-template-curly-in-string
+    'no-template-curly-in-string': 'error',
+
+    // Avoid code that looks like two expressions but is actually one
+    // https://eslint.org/docs/rules/no-unexpected-multiline
+    'no-unexpected-multiline': 'error',
+
+    // disallow unreachable statements after a return, throw, continue, or break statement
+    'no-unreachable': 'error',
+
+    // Disallow loops with a body that allows only one iteration
+    // https://eslint.org/docs/rules/no-unreachable-loop
+    'no-unreachable-loop': ['error', {
+      ignore: [], // WhileStatement, DoWhileStatement, ForStatement, ForInStatement, ForOfStatement
+    }],
+
+    // disallow return/throw/break/continue inside finally blocks
+    // https://eslint.org/docs/rules/no-unsafe-finally
+    'no-unsafe-finally': 'error',
+
+    // disallow negating the left operand of relational operators
+    // https://eslint.org/docs/rules/no-unsafe-negation
+    'no-unsafe-negation': 'error',
+
+    // disallow use of optional chaining in contexts where the undefined value is not allowed
+    // https://eslint.org/docs/rules/no-unsafe-optional-chaining
+    'no-unsafe-optional-chaining': ['error', { disallowArithmeticOperators: true }],
+
+    // Disallow Unused Private Class Members
+    // https://eslint.org/docs/rules/no-unused-private-class-members
+    // TODO: enable once eslint 7 is dropped (which is semver-major)
+    'no-unused-private-class-members': 'off',
+
+    // Disallow useless backreferences in regular expressions
+    // https://eslint.org/docs/rules/no-useless-backreference
+    'no-useless-backreference': 'error',
+
+    // disallow negation of the left operand of an in expression
+    // deprecated in favor of no-unsafe-negation
+    'no-negated-in-lhs': 'off',
+
+    // Disallow assignments that can lead to race conditions due to usage of await or yield
+    // https://eslint.org/docs/rules/require-atomic-updates
+    // note: not enabled because it is very buggy
+    'require-atomic-updates': 'off',
+
+    // disallow comparisons with the value NaN
+    'use-isnan': 'error',
+
+    // ensure JSDoc comments are valid
+    // https://eslint.org/docs/rules/valid-jsdoc
+    'valid-jsdoc': 'off',
+
+    // ensure that the results of typeof are compared against a valid string
+    // https://eslint.org/docs/rules/valid-typeof
+    'valid-typeof': ['error', { requireStringLiterals: true }],
+  }
+};

node_modules/eslint-config-airbnb-base/rules/es6.js

@@ -0,0 +1,185 @@
+module.exports = {
+  env: {
+    es6: true
+  },
+  parserOptions: {
+    ecmaVersion: 6,
+    sourceType: 'module',
+    ecmaFeatures: {
+      generators: false,
+      objectLiteralDuplicateProperties: false
+    }
+  },
+
+  rules: {
+    // enforces no braces where they can be omitted
+    // https://eslint.org/docs/rules/arrow-body-style
+    // TODO: enable requireReturnForObjectLiteral?
+    'arrow-body-style': ['error', 'as-needed', {
+      requireReturnForObjectLiteral: false,
+    }],
+
+    // require parens in arrow function arguments
+    // https://eslint.org/docs/rules/arrow-parens
+    'arrow-parens': ['error', 'always'],
+
+    // require space before/after arrow function's arrow
+    // https://eslint.org/docs/rules/arrow-spacing
+    'arrow-spacing': ['error', { before: true, after: true }],
+
+    // verify super() callings in constructors
+    'constructor-super': 'error',
+
+    // enforce the spacing around the * in generator functions
+    // https://eslint.org/docs/rules/generator-star-spacing
+    'generator-star-spacing': ['error', { before: false, after: true }],
+
+    // disallow modifying variables of class declarations
+    // https://eslint.org/docs/rules/no-class-assign
+    'no-class-assign': 'error',
+
+    // disallow arrow functions where they could be confused with comparisons
+    // https://eslint.org/docs/rules/no-confusing-arrow
+    'no-confusing-arrow': ['error', {
+      allowParens: true,
+    }],
+
+    // disallow modifying variables that are declared using const
+    'no-const-assign': 'error',
+
+    // disallow duplicate class members
+    // https://eslint.org/docs/rules/no-dupe-class-members
+    'no-dupe-class-members': 'error',
+
+    // disallow importing from the same path more than once
+    // https://eslint.org/docs/rules/no-duplicate-imports
+    // replaced by https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-duplicates.md
+    'no-duplicate-imports': 'off',
+
+    // disallow symbol constructor
+    // https://eslint.org/docs/rules/no-new-symbol
+    'no-new-symbol': 'error',
+
+    // Disallow specified names in exports
+    // https://eslint.org/docs/rules/no-restricted-exports
+    'no-restricted-exports': ['error', {
+      restrictedNamedExports: [
+        'default', // use `export default` to provide a default export
+        'then', // this will cause tons of confusion when your module is dynamically `import()`ed, and will break in most node ESM versions
+      ],
+    }],
+
+    // disallow specific imports
+    // https://eslint.org/docs/rules/no-restricted-imports
+    'no-restricted-imports': ['off', {
+      paths: [],
+      patterns: []
+    }],
+
+    // disallow to use this/super before super() calling in constructors.
+    // https://eslint.org/docs/rules/no-this-before-super
+    'no-this-before-super': 'error',
+
+    // disallow useless computed property keys
+    // https://eslint.org/docs/rules/no-useless-computed-key
+    'no-useless-computed-key': 'error',
+
+    // disallow unnecessary constructor
+    // https://eslint.org/docs/rules/no-useless-constructor
+    'no-useless-constructor': 'error',
+
+    // disallow renaming import, export, and destructured assignments to the same name
+    // https://eslint.org/docs/rules/no-useless-rename
+    'no-useless-rename': ['error', {
+      ignoreDestructuring: false,
+      ignoreImport: false,
+      ignoreExport: false,
+    }],
+
+    // require let or const instead of var
+    'no-var': 'error',
+
+    // require method and property shorthand syntax for object literals
+    // https://eslint.org/docs/rules/object-shorthand
+    'object-shorthand': ['error', 'always', {
+      ignoreConstructors: false,
+      avoidQuotes: true,
+    }],
+
+    // suggest using arrow functions as callbacks
+    'prefer-arrow-callback': ['error', {
+      allowNamedFunctions: false,
+      allowUnboundThis: true,
+    }],
+
+    // suggest using of const declaration for variables that are never modified after declared
+    'prefer-const': ['error', {
+      destructuring: 'any',
+      ignoreReadBeforeAssign: true,
+    }],
+
+    // Prefer destructuring from arrays and objects
+    // https://eslint.org/docs/rules/prefer-destructuring
+    'prefer-destructuring': ['error', {
+      VariableDeclarator: {
+        array: false,
+        object: true,
+      },
+      AssignmentExpression: {
+        array: true,
+        object: false,
+      },
+    }, {
+      enforceForRenamedProperties: false,
+    }],
+
+    // disallow parseInt() in favor of binary, octal, and hexadecimal literals
+    // https://eslint.org/docs/rules/prefer-numeric-literals
+    'prefer-numeric-literals': 'error',
+
+    // suggest using Reflect methods where applicable
+    // https://eslint.org/docs/rules/prefer-reflect
+    'prefer-reflect': 'off',
+
+    // use rest parameters instead of arguments
+    // https://eslint.org/docs/rules/prefer-rest-params
+    'prefer-rest-params': 'error',
+
+    // suggest using the spread syntax instead of .apply()
+    // https://eslint.org/docs/rules/prefer-spread
+    'prefer-spread': 'error',
+
+    // suggest using template literals instead of string concatenation
+    // https://eslint.org/docs/rules/prefer-template
+    'prefer-template': 'error',
+
+    // disallow generator functions that do not have yield
+    // https://eslint.org/docs/rules/require-yield
+    'require-yield': 'error',
+
+    // enforce spacing between object rest-spread
+    // https://eslint.org/docs/rules/rest-spread-spacing
+    'rest-spread-spacing': ['error', 'never'],
+
+    // import sorting
+    // https://eslint.org/docs/rules/sort-imports
+    'sort-imports': ['off', {
+      ignoreCase: false,
+      ignoreDeclarationSort: false,
+      ignoreMemberSort: false,
+      memberSyntaxSortOrder: ['none', 'all', 'multiple', 'single'],
+    }],
+
+    // require a Symbol description
+    // https://eslint.org/docs/rules/symbol-description
+    'symbol-description': 'error',
+
+    // enforce usage of spacing in template strings
+    // https://eslint.org/docs/rules/template-curly-spacing
+    'template-curly-spacing': 'error',
+
+    // enforce spacing around the * in yield* expressions
+    // https://eslint.org/docs/rules/yield-star-spacing
+    'yield-star-spacing': ['error', 'after']
+  }
+};

node_modules/eslint-config-airbnb-base/rules/imports.js

@@ -0,0 +1,273 @@
+module.exports = {
+  env: {
+    es6: true
+  },
+  parserOptions: {
+    ecmaVersion: 6,
+    sourceType: 'module'
+  },
+  plugins: [
+    'import'
+  ],
+
+  settings: {
+    'import/resolver': {
+      node: {
+        extensions: ['.mjs', '.js', '.json']
+      }
+    },
+    'import/extensions': [
+      '.js',
+      '.mjs',
+      '.jsx',
+    ],
+    'import/core-modules': [
+    ],
+    'import/ignore': [
+      'node_modules',
+      '\\.(coffee|scss|css|less|hbs|svg|json)$',
+    ],
+  },
+
+  rules: {
+    // Static analysis:
+
+    // ensure imports point to files/modules that can be resolved
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-unresolved.md
+    'import/no-unresolved': ['error', { commonjs: true, caseSensitive: true }],
+
+    // ensure named imports coupled with named exports
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/named.md#when-not-to-use-it
+    'import/named': 'error',
+
+    // ensure default import coupled with default export
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/default.md#when-not-to-use-it
+    'import/default': 'off',
+
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/namespace.md
+    'import/namespace': 'off',
+
+    // Helpful warnings:
+
+    // disallow invalid exports, e.g. multiple defaults
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/export.md
+    'import/export': 'error',
+
+    // do not allow a default import name to match a named export
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-named-as-default.md
+    'import/no-named-as-default': 'error',
+
+    // warn on accessing default export property names that are also named exports
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-named-as-default-member.md
+    'import/no-named-as-default-member': 'error',
+
+    // disallow use of jsdoc-marked-deprecated imports
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-deprecated.md
+    'import/no-deprecated': 'off',
+
+    // Forbid the use of extraneous packages
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-extraneous-dependencies.md
+    // paths are treated both as absolute paths, and relative to process.cwd()
+    'import/no-extraneous-dependencies': ['error', {
+      devDependencies: [
+        'test/**', // tape, common npm pattern
+        'tests/**', // also common npm pattern
+        'spec/**', // mocha, rspec-like pattern
+        '**/__tests__/**', // jest pattern
+        '**/__mocks__/**', // jest pattern
+        'test.{js,jsx}', // repos with a single test file
+        'test-*.{js,jsx}', // repos with multiple top-level test files
+        '**/*{.,_}{test,spec}.{js,jsx}', // tests where the extension or filename suffix denotes that it is a test
+        '**/jest.config.js', // jest config
+        '**/jest.setup.js', // jest setup
+        '**/vue.config.js', // vue-cli config
+        '**/webpack.config.js', // webpack config
+        '**/webpack.config.*.js', // webpack config
+        '**/rollup.config.js', // rollup config
+        '**/rollup.config.*.js', // rollup config
+        '**/gulpfile.js', // gulp config
+        '**/gulpfile.*.js', // gulp config
+        '**/Gruntfile{,.js}', // grunt config
+        '**/protractor.conf.js', // protractor config
+        '**/protractor.conf.*.js', // protractor config
+        '**/karma.conf.js', // karma config
+        '**/.eslintrc.js' // eslint config
+      ],
+      optionalDependencies: false,
+    }],
+
+    // Forbid mutable exports
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-mutable-exports.md
+    'import/no-mutable-exports': 'error',
+
+    // Module systems:
+
+    // disallow require()
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-commonjs.md
+    'import/no-commonjs': 'off',
+
+    // disallow AMD require/define
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-amd.md
+    'import/no-amd': 'error',
+
+    // No Node.js builtin modules
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-nodejs-modules.md
+    // TODO: enable?
+    'import/no-nodejs-modules': 'off',
+
+    // Style guide:
+
+    // disallow non-import statements appearing before import statements
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/first.md
+    'import/first': 'error',
+
+    // disallow non-import statements appearing before import statements
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/imports-first.md
+    // deprecated: use `import/first`
+    'import/imports-first': 'off',
+
+    // disallow duplicate imports
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-duplicates.md
+    'import/no-duplicates': 'error',
+
+    // disallow namespace imports
+    // TODO: enable?
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-namespace.md
+    'import/no-namespace': 'off',
+
+    // Ensure consistent use of file extension within the import path
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/extensions.md
+    'import/extensions': ['error', 'ignorePackages', {
+      js: 'never',
+      mjs: 'never',
+      jsx: 'never',
+    }],
+
+    // ensure absolute imports are above relative imports and that unassigned imports are ignored
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/order.md
+    // TODO: enforce a stricter convention in module import order?
+    'import/order': ['error', { groups: [['builtin', 'external', 'internal']] }],
+
+    // Require a newline after the last import/require in a group
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/newline-after-import.md
+    'import/newline-after-import': 'error',
+
+    // Require modules with a single export to use a default export
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/prefer-default-export.md
+    'import/prefer-default-export': 'error',
+
+    // Restrict which files can be imported in a given folder
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-restricted-paths.md
+    'import/no-restricted-paths': 'off',
+
+    // Forbid modules to have too many dependencies
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/max-dependencies.md
+    'import/max-dependencies': ['off', { max: 10 }],
+
+    // Forbid import of modules using absolute paths
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-absolute-path.md
+    'import/no-absolute-path': 'error',
+
+    // Forbid require() calls with expressions
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-dynamic-require.md
+    'import/no-dynamic-require': 'error',
+
+    // prevent importing the submodules of other modules
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-internal-modules.md
+    'import/no-internal-modules': ['off', {
+      allow: [],
+    }],
+
+    // Warn if a module could be mistakenly parsed as a script by a consumer
+    // leveraging Unambiguous JavaScript Grammar
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/unambiguous.md
+    // this should not be enabled until this proposal has at least been *presented* to TC39.
+    // At the moment, it's not a thing.
+    'import/unambiguous': 'off',
+
+    // Forbid Webpack loader syntax in imports
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-webpack-loader-syntax.md
+    'import/no-webpack-loader-syntax': 'error',
+
+    // Prevent unassigned imports
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-unassigned-import.md
+    // importing for side effects is perfectly acceptable, if you need side effects.
+    'import/no-unassigned-import': 'off',
+
+    // Prevent importing the default as if it were named
+    // https://github.com/benmosher/eslint-plugin-import/blob/master/docs/rules/no-named-default.md
+    'import/no-named-default': 'error',
+
+    // Reports if a module's default export is unnamed
+    // https://github.com/benmosher/eslint-plugin-import/blob/d9b712ac7fd1fddc391f7b234827925c160d956f/docs/rules/no-anonymous-default-export.md
+    'import/no-anonymous-default-export': ['off', {
+      allowArray: false,
+      allowArrowFunction: false,
+      allowAnonymousClass: false,
+      allowAnonymousFunction: false,
+      allowLiteral: false,
+      allowObject: false,
+    }],
+
+    // This rule enforces that all exports are declared at the bottom of the file.
+    // https://github.com/benmosher/eslint-plugin-import/blob/98acd6afd04dcb6920b81330114e146dc8532ea4/docs/rules/exports-last.md
+    // TODO: enable?
+    'import/exports-last': 'off',
+
+    // Reports when named exports are not grouped together in a single export declaration
+    // or when multiple assignments to CommonJS module.exports or exports object are present
+    // in a single file.
+    // https://github.com/benmosher/eslint-plugin-import/blob/44a038c06487964394b1e15b64f3bd34e5d40cde/docs/rules/group-exports.md
+    'import/group-exports': 'off',
+
+    // forbid default exports. this is a terrible rule, do not use it.
+    // https://github.com/benmosher/eslint-plugin-import/blob/44a038c06487964394b1e15b64f3bd34e5d40cde/docs/rules/no-default-export.md
+    'import/no-default-export': 'off',
+
+    // Prohibit named exports. this is a terrible rule, do not use it.
+    // https://github.com/benmosher/eslint-plugin-import/blob/1ec80fa35fa1819e2d35a70e68fb6a149fb57c5e/docs/rules/no-named-export.md
+    'import/no-named-export': 'off',
+
+    // Forbid a module from importing itself
+    // https://github.com/benmosher/eslint-plugin-import/blob/44a038c06487964394b1e15b64f3bd34e5d40cde/docs/rules/no-self-import.md
+    'import/no-self-import': 'error',
+
+    // Forbid cyclical dependencies between modules
+    // https://github.com/benmosher/eslint-plugin-import/blob/d81f48a2506182738409805f5272eff4d77c9348/docs/rules/no-cycle.md
+    'import/no-cycle': ['error', { maxDepth: '∞' }],
+
+    // Ensures that there are no useless path segments
+    // https://github.com/benmosher/eslint-plugin-import/blob/ebafcbf59ec9f653b2ac2a0156ca3bcba0a7cf57/docs/rules/no-useless-path-segments.md
+    'import/no-useless-path-segments': ['error', { commonjs: true }],
+
+    // dynamic imports require a leading comment with a webpackChunkName
+    // https://github.com/benmosher/eslint-plugin-import/blob/ebafcbf59ec9f653b2ac2a0156ca3bcba0a7cf57/docs/rules/dynamic-import-chunkname.md
+    'import/dynamic-import-chunkname': ['off', {
+      importFunctions: [],
+      webpackChunknameFormat: '[0-9a-zA-Z-_/.]+',
+    }],
+
+    // Use this rule to prevent imports to folders in relative parent paths.
+    // https://github.com/benmosher/eslint-plugin-import/blob/c34f14f67f077acd5a61b3da9c0b0de298d20059/docs/rules/no-relative-parent-imports.md
+    'import/no-relative-parent-imports': 'off',
+
+    // Reports modules without any exports, or with unused exports
+    // https://github.com/benmosher/eslint-plugin-import/blob/f63dd261809de6883b13b6b5b960e6d7f42a7813/docs/rules/no-unused-modules.md
+    // TODO: enable once it supports CJS
+    'import/no-unused-modules': ['off', {
+      ignoreExports: [],
+      missingExports: true,
+      unusedExports: true,
+    }],
+
+    // Reports the use of import declarations with CommonJS exports in any module except for the main module.
+    // https://github.com/benmosher/eslint-plugin-import/blob/1012eb951767279ce3b540a4ec4f29236104bb5b/docs/rules/no-import-module-exports.md
+    'import/no-import-module-exports': ['error', {
+      exceptions: [],
+    }],
+
+    // Use this rule to prevent importing packages through relative paths.
+    // https://github.com/benmosher/eslint-plugin-import/blob/1012eb951767279ce3b540a4ec4f29236104bb5b/docs/rules/no-relative-packages.md
+    'import/no-relative-packages': 'error',
+  },
+};

node_modules/eslint-config-airbnb-base/rules/node.js

@@ -0,0 +1,43 @@
+module.exports = {
+  env: {
+    node: true
+  },
+
+  rules: {
+    // enforce return after a callback
+    'callback-return': 'off',
+
+    // require all requires be top-level
+    // https://eslint.org/docs/rules/global-require
+    'global-require': 'error',
+
+    // enforces error handling in callbacks (node environment)
+    'handle-callback-err': 'off',
+
+    // disallow use of the Buffer() constructor
+    // https://eslint.org/docs/rules/no-buffer-constructor
+    'no-buffer-constructor': 'error',
+
+    // disallow mixing regular variable and require declarations
+    'no-mixed-requires': ['off', false],
+
+    // disallow use of new operator with the require function
+    'no-new-require': 'error',
+
+    // disallow string concatenation with __dirname and __filename
+    // https://eslint.org/docs/rules/no-path-concat
+    'no-path-concat': 'error',
+
+    // disallow use of process.env
+    'no-process-env': 'off',
+
+    // disallow process.exit()
+    'no-process-exit': 'off',
+
+    // restrict usage of specified node modules
+    'no-restricted-modules': 'off',
+
+    // disallow use of synchronous methods (off by default)
+    'no-sync': 'off',
+  }
+};

node_modules/eslint-config-airbnb-base/rules/strict.js

@@ -0,0 +1,6 @@
+module.exports = {
+  rules: {
+    // babel inserts `'use strict';` for us
+    strict: ['error', 'never']
+  }
+};

node_modules/eslint-config-airbnb-base/rules/style.js

@@ -0,0 +1,529 @@
+const semver = require('semver');
+const eslintPkg = require('eslint/package.json');
+
+module.exports = {
+  rules: {
+    // enforce line breaks after opening and before closing array brackets
+    // https://eslint.org/docs/rules/array-bracket-newline
+    // TODO: enable? semver-major
+    'array-bracket-newline': ['off', 'consistent'], // object option alternative: { multiline: true, minItems: 3 }
+
+    // enforce line breaks between array elements
+    // https://eslint.org/docs/rules/array-element-newline
+    // TODO: enable? semver-major
+    'array-element-newline': ['off', { multiline: true, minItems: 3 }],
+
+    // enforce spacing inside array brackets
+    'array-bracket-spacing': ['error', 'never'],
+
+    // enforce spacing inside single-line blocks
+    // https://eslint.org/docs/rules/block-spacing
+    'block-spacing': ['error', 'always'],
+
+    // enforce one true brace style
+    'brace-style': ['error', '1tbs', { allowSingleLine: true }],
+
+    // require camel case names
+    camelcase: ['error', { properties: 'never', ignoreDestructuring: false }],
+
+    // enforce or disallow capitalization of the first letter of a comment
+    // https://eslint.org/docs/rules/capitalized-comments
+    'capitalized-comments': ['off', 'never', {
+      line: {
+        ignorePattern: '.*',
+        ignoreInlineComments: true,
+        ignoreConsecutiveComments: true,
+      },
+      block: {
+        ignorePattern: '.*',
+        ignoreInlineComments: true,
+        ignoreConsecutiveComments: true,
+      },
+    }],
+
+    // require trailing commas in multiline object literals
+    'comma-dangle': ['error', {
+      arrays: 'always-multiline',
+      objects: 'always-multiline',
+      imports: 'always-multiline',
+      exports: 'always-multiline',
+      functions: 'always-multiline',
+    }],
+
+    // enforce spacing before and after comma
+    'comma-spacing': ['error', { before: false, after: true }],
+
+    // enforce one true comma style
+    'comma-style': ['error', 'last', {
+      exceptions: {
+        ArrayExpression: false,
+        ArrayPattern: false,
+        ArrowFunctionExpression: false,
+        CallExpression: false,
+        FunctionDeclaration: false,
+        FunctionExpression: false,
+        ImportDeclaration: false,
+        ObjectExpression: false,
+        ObjectPattern: false,
+        VariableDeclaration: false,
+        NewExpression: false,
+      }
+    }],
+
+    // disallow padding inside computed properties
+    'computed-property-spacing': ['error', 'never'],
+
+    // enforces consistent naming when capturing the current execution context
+    'consistent-this': 'off',
+
+    // enforce newline at the end of file, with no multiple empty lines
+    'eol-last': ['error', 'always'],
+
+    // https://eslint.org/docs/rules/function-call-argument-newline
+    'function-call-argument-newline': ['error', 'consistent'],
+
+    // enforce spacing between functions and their invocations
+    // https://eslint.org/docs/rules/func-call-spacing
+    'func-call-spacing': ['error', 'never'],
+
+    // requires function names to match the name of the variable or property to which they are
+    // assigned
+    // https://eslint.org/docs/rules/func-name-matching
+    'func-name-matching': ['off', 'always', {
+      includeCommonJSModuleExports: false,
+      considerPropertyDescriptor: true,
+    }],
+
+    // require function expressions to have a name
+    // https://eslint.org/docs/rules/func-names
+    'func-names': 'warn',
+
+    // enforces use of function declarations or expressions
+    // https://eslint.org/docs/rules/func-style
+    // TODO: enable
+    'func-style': ['off', 'expression'],
+
+    // require line breaks inside function parentheses if there are line breaks between parameters
+    // https://eslint.org/docs/rules/function-paren-newline
+    'function-paren-newline': ['error', semver.satisfies(eslintPkg.version, '>= 6') ? 'multiline-arguments' : 'consistent'],
+
+    // disallow specified identifiers
+    // https://eslint.org/docs/rules/id-denylist
+    'id-denylist': 'off',
+
+    // this option enforces minimum and maximum identifier lengths
+    // (variable names, property names etc.)
+    'id-length': 'off',
+
+    // require identifiers to match the provided regular expression
+    'id-match': 'off',
+
+    // Enforce the location of arrow function bodies with implicit returns
+    // https://eslint.org/docs/rules/implicit-arrow-linebreak
+    'implicit-arrow-linebreak': ['error', 'beside'],
+
+    // this option sets a specific tab width for your code
+    // https://eslint.org/docs/rules/indent
+    indent: ['error', 2, {
+      SwitchCase: 1,
+      VariableDeclarator: 1,
+      outerIIFEBody: 1,
+      // MemberExpression: null,
+      FunctionDeclaration: {
+        parameters: 1,
+        body: 1
+      },
+      FunctionExpression: {
+        parameters: 1,
+        body: 1
+      },
+      CallExpression: {
+        arguments: 1
+      },
+      ArrayExpression: 1,
+      ObjectExpression: 1,
+      ImportDeclaration: 1,
+      flatTernaryExpressions: false,
+      // list derived from https://github.com/benjamn/ast-types/blob/HEAD/def/jsx.js
+      ignoredNodes: ['JSXElement', 'JSXElement > *', 'JSXAttribute', 'JSXIdentifier', 'JSXNamespacedName', 'JSXMemberExpression', 'JSXSpreadAttribute', 'JSXExpressionContainer', 'JSXOpeningElement', 'JSXClosingElement', 'JSXFragment', 'JSXOpeningFragment', 'JSXClosingFragment', 'JSXText', 'JSXEmptyExpression', 'JSXSpreadChild'],
+      ignoreComments: false
+    }],
+
+    // specify whether double or single quotes should be used in JSX attributes
+    // https://eslint.org/docs/rules/jsx-quotes
+    'jsx-quotes': ['off', 'prefer-double'],
+
+    // enforces spacing between keys and values in object literal properties
+    'key-spacing': ['error', { beforeColon: false, afterColon: true }],
+
+    // require a space before & after certain keywords
+    'keyword-spacing': ['error', {
+      before: true,
+      after: true,
+      overrides: {
+        return: { after: true },
+        throw: { after: true },
+        case: { after: true }
+      }
+    }],
+
+    // enforce position of line comments
+    // https://eslint.org/docs/rules/line-comment-position
+    // TODO: enable?
+    'line-comment-position': ['off', {
+      position: 'above',
+      ignorePattern: '',
+      applyDefaultPatterns: true,
+    }],
+
+    // disallow mixed 'LF' and 'CRLF' as linebreaks
+    // https://eslint.org/docs/rules/linebreak-style
+    'linebreak-style': ['error', 'unix'],
+
+    // require or disallow an empty line between class members
+    // https://eslint.org/docs/rules/lines-between-class-members
+    'lines-between-class-members': ['error', 'always', { exceptAfterSingleLine: false }],
+
+    // enforces empty lines around comments
+    'lines-around-comment': 'off',
+
+    // require or disallow newlines around directives
+    // https://eslint.org/docs/rules/lines-around-directive
+    'lines-around-directive': ['error', {
+      before: 'always',
+      after: 'always',
+    }],
+
+    // specify the maximum depth that blocks can be nested
+    'max-depth': ['off', 4],
+
+    // specify the maximum length of a line in your program
+    // https://eslint.org/docs/rules/max-len
+    'max-len': ['error', 100, 2, {
+      ignoreUrls: true,
+      ignoreComments: false,
+      ignoreRegExpLiterals: true,
+      ignoreStrings: true,
+      ignoreTemplateLiterals: true,
+    }],
+
+    // specify the max number of lines in a file
+    // https://eslint.org/docs/rules/max-lines
+    'max-lines': ['off', {
+      max: 300,
+      skipBlankLines: true,
+      skipComments: true
+    }],
+
+    // enforce a maximum function length
+    // https://eslint.org/docs/rules/max-lines-per-function
+    'max-lines-per-function': ['off', {
+      max: 50,
+      skipBlankLines: true,
+      skipComments: true,
+      IIFEs: true,
+    }],
+
+    // specify the maximum depth callbacks can be nested
+    'max-nested-callbacks': 'off',
+
+    // limits the number of parameters that can be used in the function declaration.
+    'max-params': ['off', 3],
+
+    // specify the maximum number of statement allowed in a function
+    'max-statements': ['off', 10],
+
+    // restrict the number of statements per line
+    // https://eslint.org/docs/rules/max-statements-per-line
+    'max-statements-per-line': ['off', { max: 1 }],
+
+    // enforce a particular style for multiline comments
+    // https://eslint.org/docs/rules/multiline-comment-style
+    'multiline-comment-style': ['off', 'starred-block'],
+
+    // require multiline ternary
+    // https://eslint.org/docs/rules/multiline-ternary
+    // TODO: enable?
+    'multiline-ternary': ['off', 'never'],
+
+    // require a capital letter for constructors
+    'new-cap': ['error', {
+      newIsCap: true,
+      newIsCapExceptions: [],
+      capIsNew: false,
+      capIsNewExceptions: ['Immutable.Map', 'Immutable.Set', 'Immutable.List'],
+    }],
+
+    // disallow the omission of parentheses when invoking a constructor with no arguments
+    // https://eslint.org/docs/rules/new-parens
+    'new-parens': 'error',
+
+    // allow/disallow an empty newline after var statement
+    'newline-after-var': 'off',
+
+    // https://eslint.org/docs/rules/newline-before-return
+    'newline-before-return': 'off',
+
+    // enforces new line after each method call in the chain to make it
+    // more readable and easy to maintain
+    // https://eslint.org/docs/rules/newline-per-chained-call
+    'newline-per-chained-call': ['error', { ignoreChainWithDepth: 4 }],
+
+    // disallow use of the Array constructor
+    'no-array-constructor': 'error',
+
+    // disallow use of bitwise operators
+    // https://eslint.org/docs/rules/no-bitwise
+    'no-bitwise': 'error',
+
+    // disallow use of the continue statement
+    // https://eslint.org/docs/rules/no-continue
+    'no-continue': 'error',
+
+    // disallow comments inline after code
+    'no-inline-comments': 'off',
+
+    // disallow if as the only statement in an else block
+    // https://eslint.org/docs/rules/no-lonely-if
+    'no-lonely-if': 'error',
+
+    // disallow un-paren'd mixes of different operators
+    // https://eslint.org/docs/rules/no-mixed-operators
+    'no-mixed-operators': ['error', {
+      // the list of arithmetic groups disallows mixing `%` and `**`
+      // with other arithmetic operators.
+      groups: [
+        ['%', '**'],
+        ['%', '+'],
+        ['%', '-'],
+        ['%', '*'],
+        ['%', '/'],
+        ['/', '*'],
+        ['&', '|', '<<', '>>', '>>>'],
+        ['==', '!=', '===', '!=='],
+        ['&&', '||'],
+      ],
+      allowSamePrecedence: false
+    }],
+
+    // disallow mixed spaces and tabs for indentation
+    'no-mixed-spaces-and-tabs': 'error',
+
+    // disallow use of chained assignment expressions
+    // https://eslint.org/docs/rules/no-multi-assign
+    'no-multi-assign': ['error'],
+
+    // disallow multiple empty lines, only one newline at the end, and no new lines at the beginning
+    // https://eslint.org/docs/rules/no-multiple-empty-lines
+    'no-multiple-empty-lines': ['error', { max: 1, maxBOF: 0, maxEOF: 0 }],
+
+    // disallow negated conditions
+    // https://eslint.org/docs/rules/no-negated-condition
+    'no-negated-condition': 'off',
+
+    // disallow nested ternary expressions
+    'no-nested-ternary': 'error',
+
+    // disallow use of the Object constructor
+    'no-new-object': 'error',
+
+    // disallow use of unary operators, ++ and --
+    // https://eslint.org/docs/rules/no-plusplus
+    'no-plusplus': 'error',
+
+    // disallow certain syntax forms
+    // https://eslint.org/docs/rules/no-restricted-syntax
+    'no-restricted-syntax': [
+      'error',
+      {
+        selector: 'ForInStatement',
+        message: 'for..in loops iterate over the entire prototype chain, which is virtually never what you want. Use Object.{keys,values,entries}, and iterate over the resulting array.',
+      },
+      {
+        selector: 'ForOfStatement',
+        message: 'iterators/generators require regenerator-runtime, which is too heavyweight for this guide to allow them. Separately, loops should be avoided in favor of array iterations.',
+      },
+      {
+        selector: 'LabeledStatement',
+        message: 'Labels are a form of GOTO; using them makes code confusing and hard to maintain and understand.',
+      },
+      {
+        selector: 'WithStatement',
+        message: '`with` is disallowed in strict mode because it makes code impossible to predict and optimize.',
+      },
+    ],
+
+    // disallow space between function identifier and application
+    'no-spaced-func': 'error',
+
+    // disallow tab characters entirely
+    'no-tabs': 'error',
+
+    // disallow the use of ternary operators
+    'no-ternary': 'off',
+
+    // disallow trailing whitespace at the end of lines
+    'no-trailing-spaces': ['error', {
+      skipBlankLines: false,
+      ignoreComments: false,
+    }],
+
+    // disallow dangling underscores in identifiers
+    // https://eslint.org/docs/rules/no-underscore-dangle
+    'no-underscore-dangle': ['error', {
+      allow: [],
+      allowAfterThis: false,
+      allowAfterSuper: false,
+      enforceInMethodNames: true,
+    }],
+
+    // disallow the use of Boolean literals in conditional expressions
+    // also, prefer `a || b` over `a ? a : b`
+    // https://eslint.org/docs/rules/no-unneeded-ternary
+    'no-unneeded-ternary': ['error', { defaultAssignment: false }],
+
+    // disallow whitespace before properties
+    // https://eslint.org/docs/rules/no-whitespace-before-property
+    'no-whitespace-before-property': 'error',
+
+    // enforce the location of single-line statements
+    // https://eslint.org/docs/rules/nonblock-statement-body-position
+    'nonblock-statement-body-position': ['error', 'beside', { overrides: {} }],
+
+    // require padding inside curly braces
+    'object-curly-spacing': ['error', 'always'],
+
+    // enforce line breaks between braces
+    // https://eslint.org/docs/rules/object-curly-newline
+    'object-curly-newline': ['error', {
+      ObjectExpression: { minProperties: 4, multiline: true, consistent: true },
+      ObjectPattern: { minProperties: 4, multiline: true, consistent: true },
+      ImportDeclaration: { minProperties: 4, multiline: true, consistent: true },
+      ExportDeclaration: { minProperties: 4, multiline: true, consistent: true },
+    }],
+
+    // enforce "same line" or "multiple line" on object properties.
+    // https://eslint.org/docs/rules/object-property-newline
+    'object-property-newline': ['error', {
+      allowAllPropertiesOnSameLine: true,
+    }],
+
+    // allow just one var statement per function
+    'one-var': ['error', 'never'],
+
+    // require a newline around variable declaration
+    // https://eslint.org/docs/rules/one-var-declaration-per-line
+    'one-var-declaration-per-line': ['error', 'always'],
+
+    // require assignment operator shorthand where possible or prohibit it entirely
+    // https://eslint.org/docs/rules/operator-assignment
+    'operator-assignment': ['error', 'always'],
+
+    // Requires operator at the beginning of the line in multiline statements
+    // https://eslint.org/docs/rules/operator-linebreak
+    'operator-linebreak': ['error', 'before', { overrides: { '=': 'none' } }],
+
+    // disallow padding within blocks
+    'padded-blocks': ['error', {
+      blocks: 'never',
+      classes: 'never',
+      switches: 'never',
+    }, {
+      allowSingleLineBlocks: true,
+    }],
+
+    // Require or disallow padding lines between statements
+    // https://eslint.org/docs/rules/padding-line-between-statements
+    'padding-line-between-statements': 'off',
+
+    // Disallow the use of Math.pow in favor of the ** operator
+    // https://eslint.org/docs/rules/prefer-exponentiation-operator
+    'prefer-exponentiation-operator': 'error',
+
+    // Prefer use of an object spread over Object.assign
+    // https://eslint.org/docs/rules/prefer-object-spread
+    'prefer-object-spread': 'error',
+
+    // require quotes around object literal property names
+    // https://eslint.org/docs/rules/quote-props.html
+    'quote-props': ['error', 'as-needed', { keywords: false, unnecessary: true, numbers: false }],
+
+    // specify whether double or single quotes should be used
+    quotes: ['error', 'single', { avoidEscape: true }],
+
+    // do not require jsdoc
+    // https://eslint.org/docs/rules/require-jsdoc
+    'require-jsdoc': 'off',
+
+    // require or disallow use of semicolons instead of ASI
+    semi: ['error', 'always'],
+
+    // enforce spacing before and after semicolons
+    'semi-spacing': ['error', { before: false, after: true }],
+
+    // Enforce location of semicolons
+    // https://eslint.org/docs/rules/semi-style
+    'semi-style': ['error', 'last'],
+
+    // requires object keys to be sorted
+    'sort-keys': ['off', 'asc', { caseSensitive: false, natural: true }],
+
+    // sort variables within the same declaration block
+    'sort-vars': 'off',
+
+    // require or disallow space before blocks
+    'space-before-blocks': 'error',
+
+    // require or disallow space before function opening parenthesis
+    // https://eslint.org/docs/rules/space-before-function-paren
+    'space-before-function-paren': ['error', {
+      anonymous: 'always',
+      named: 'never',
+      asyncArrow: 'always'
+    }],
+
+    // require or disallow spaces inside parentheses
+    'space-in-parens': ['error', 'never'],
+
+    // require spaces around operators
+    'space-infix-ops': 'error',
+
+    // Require or disallow spaces before/after unary operators
+    // https://eslint.org/docs/rules/space-unary-ops
+    'space-unary-ops': ['error', {
+      words: true,
+      nonwords: false,
+      overrides: {
+      },
+    }],
+
+    // require or disallow a space immediately following the // or /* in a comment
+    // https://eslint.org/docs/rules/spaced-comment
+    'spaced-comment': ['error', 'always', {
+      line: {
+        exceptions: ['-', '+'],
+        markers: ['=', '!', '/'], // space here to support sprockets directives, slash for TS /// comments
+      },
+      block: {
+        exceptions: ['-', '+'],
+        markers: ['=', '!', ':', '::'], // space here to support sprockets directives and flow comment types
+        balanced: true,
+      }
+    }],
+
+    // Enforce spacing around colons of switch statements
+    // https://eslint.org/docs/rules/switch-colon-spacing
+    'switch-colon-spacing': ['error', { after: true, before: false }],
+
+    // Require or disallow spacing between template tags and their literals
+    // https://eslint.org/docs/rules/template-tag-spacing
+    'template-tag-spacing': ['error', 'never'],
+
+    // require or disallow the Unicode Byte Order Mark
+    // https://eslint.org/docs/rules/unicode-bom
+    'unicode-bom': ['error', 'never'],
+
+    // require regex literals to be wrapped in parentheses
+    'wrap-regex': 'off'
+  }
+};

node_modules/eslint-config-airbnb-base/rules/variables.js

@@ -0,0 +1,56 @@
+const confusingBrowserGlobals = require('confusing-browser-globals');
+
+module.exports = {
+  rules: {
+    // enforce or disallow variable initializations at definition
+    'init-declarations': 'off',
+
+    // disallow the catch clause parameter name being the same as a variable in the outer scope
+    'no-catch-shadow': 'off',
+
+    // disallow deletion of variables
+    'no-delete-var': 'error',
+
+    // disallow labels that share a name with a variable
+    // https://eslint.org/docs/rules/no-label-var
+    'no-label-var': 'error',
+
+    // disallow specific globals
+    'no-restricted-globals': [
+      'error',
+      {
+        name: 'isFinite',
+        message:
+          'Use Number.isFinite instead https://github.com/airbnb/javascript#standard-library--isfinite',
+      },
+      {
+        name: 'isNaN',
+        message:
+          'Use Number.isNaN instead https://github.com/airbnb/javascript#standard-library--isnan',
+      },
+    ].concat(confusingBrowserGlobals),
+
+    // disallow declaration of variables already declared in the outer scope
+    'no-shadow': 'error',
+
+    // disallow shadowing of names such as arguments
+    'no-shadow-restricted-names': 'error',
+
+    // disallow use of undeclared variables unless mentioned in a /*global */ block
+    'no-undef': 'error',
+
+    // disallow use of undefined when initializing variables
+    'no-undef-init': 'error',
+
+    // disallow use of undefined variable
+    // https://eslint.org/docs/rules/no-undefined
+    // TODO: enable?
+    'no-undefined': 'off',
+
+    // disallow declaration of variables that are not used in the code
+    'no-unused-vars': ['error', { vars: 'all', args: 'after-used', ignoreRestSiblings: true }],
+
+    // disallow use of variables before they are defined
+    'no-use-before-define': ['error', { functions: true, classes: true, variables: true }],
+  }
+};