module.exports = {
    extends: [
       'plugin:react/recommended',
    ],
    env: {
        browser: true,
        node: true
    },
    parserOptions: {
        ecmaVersion: 6,
        sourceType: 'module',
    },
    plugins: [
        'import'
    ],
    settings: {
        react: {
            pragma: "preact",
            version: "15.0",
        },
        'import/resolver': {
          node: {
            extensions: ['.mjs', '.js', '.jsx', '.json']
          }
        },
        'import/extensions': [
          '.js',
          '.mjs',
          '.jsx',
        ],
        'import/core-modules': [],
        'import/ignore': [
          'node_modules',
          '\\.(coffee|scss|css|less|hbs|svg|json)$',
        ],
    },
    rules: {
        // for preact
        "react/react-in-jsx-scope": [0],
        "react/jsx-indent": [2, 4],
        "react/jsx-uses-react": 1,
        "react/jsx-uses-vars": 1,
        "react/prefer-stateless-function": 1,
        "react/prop-types": 0,
        "react/no-unknown-property": 0,

        // airbnb copypasta
        // enforces getter/setter pairs in objects
        '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
        'block-scoped-var': 'error',

        // specify the maximum cyclomatic complexity allowed in a program
        complexity: ['off', 11],

        // enforce that class methods use "this"
        // https://eslint.org/docs/rules/class-methods-use-this
        'class-methods-use-this': 0,

        // require return statements to either always or never specify values
        'consistent-return': 'error',

        // specify curly brace conventions for all control statements
        curly: ['error', 'multi-line'],

        // require default case in switch statements
        'default-case': ['error', { commentPattern: '^no default$' }],

        // encourages use of dot notation whenever possible
        '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' }],

        // make sure for-in loops have an if statement
        'guard-for-in': 'error',

        // enforce a maximum number of classes per file
        // https://eslint.org/docs/rules/max-classes-per-file
        // TODO: semver-major (eslint 5): enable
        'max-classes-per-file': ['off', 1],

        // disallow the use of alert, confirm, and prompt
        'no-alert': 'warn',

        // disallow use of arguments.caller or arguments.callee
        'no-caller': 'error',

        // disallow lexical declarations in case/default clauses
        // https://eslint.org/docs/rules/no-case-declarations.html
        'no-case-declarations': '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
        'no-eq-null': 'off',

        // disallow use of eval()
        'no-eval': 'error',

        // disallow adding to native types
        'no-extend-native': 'error',

        // disallow unnecessary function binding
        'no-extra-bind': 'error',

        // disallow Unnecessary Labels
        // https://eslint.org/docs/rules/no-extra-label
        'no-extra-label': 'error',

        // disallow fallthrough of case statements
        'no-fallthrough': 'error',

        // disallow the use of leading or trailing decimal points in numeric literals
        '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
        '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
        'no-implied-eval': 'error',

        // disallow this keywords outside of classes or class-like objects
        'no-invalid-this': 'off',

        // disallow usage of __iterator__ property
        'no-iterator': 'error',

        // disallow use of labels for anything other then loops and switches
        'no-labels': ['error', { allowLoop: false, allowSwitch: false }],

        // disallow unnecessary nested blocks
        'no-lone-blocks': 'error',

        // disallow creation of functions within loops
        '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
        'no-multi-spaces': ['error', {
          ignoreEOLComments: false,
        }],

        // disallow use of multiline strings
        'no-multi-str': 'error',

        // disallow use of new operator when not part of the assignment or comparison
        'no-new': 'error',

        // disallow use of new operator for Function object
        'no-new-func': 'error',

        // disallows creating new instances of String, Number, and Boolean
        'no-new-wrappers': 'error',

        // disallow use of (old style) octal literals
        'no-octal': 'error',

        // disallow use of octal escape sequences in string literals, such as
        // var foo = 'Copyright \251';
        '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
            'req', // for Express requests
            'request', // for Express requests
            'res', // for Express responses
            'response', // for Express responses
            '$scope', // for Angular 1 scopes
          ]
        }],

        // disallow usage of __proto__ property
        'no-proto': 'error',

        // disallow declaring the same variable more then once
        '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
        'no-return-assign': 0,

        // disallow redundant `return await`
        'no-return-await': 'error',

        // disallow use of `javascript:` urls.
        'no-script-url': 'error',

        // disallow self assignment
        // https://eslint.org/docs/rules/no-self-assign
        // TODO: semver-major: props -> true
        'no-self-assign': ['error', {
          props: false,
        }],

        // disallow comparisons where both sides are exactly the same
        'no-self-compare': 'error',

        // disallow use of comma operator
        'no-sequences': '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
        '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()
        'no-useless-call': 'off',

        // 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
        'no-warning-comments': ['off', { terms: ['todo', 'fixme', 'xxx'], location: 'start' }],

        // disallow use of the with statement
        '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 }],

        // require use of the second argument for parseInt()
        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
        '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
        yoda: 'error',

        // 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
        // TODO: enable, semver-major
        'no-async-promise-executor': 'off',

        // 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 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',

        // 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 characters which are made with multiple code points in character class syntax
        // https://eslint.org/docs/rules/no-misleading-character-class
        // TODO: enable, semver-major
        'no-misleading-character-class': 'off',

        // disallow the use of object properties of the global object (Math and JSON) as functions
        'no-obj-calls': '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 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, break, continue, or break statement
        'no-unreachable': 'error',

        // disallow return/break/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 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
        // TODO: enable, semver-major
        '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 }],

        // 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', 'as-needed', {
          requireForBlockBody: false,
        }],

        // 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 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: true,
          },
        }, {
          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 operator 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,
          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'],

        // VARIABLES //
        // 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', 'isFinite', 'isNaN'],

        // 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 }],

        // STYLE //

        // 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
        // TODO: semver-major (eslint 5): add ignoreDestructuring: false option
        camelcase: ['error', { properties: 'never' }],

        // 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'],

        // 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
        // TODO: semver-major (eslint 5): add considerPropertyDescriptor: true
        'func-name-matching': ['off', 'always', {
          includeCommonJSModuleExports: false
        }],

        // 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'],

        // enforce consistent line breaks inside function parentheses
        // https://eslint.org/docs/rules/function-paren-newline
        'function-paren-newline': 'off',

        // Blacklist certain identifiers to prevent them being used
        // https://eslint.org/docs/rules/id-blacklist
        'id-blacklist': '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': 'off',

        // this option sets a specific tab width for your code
        // https://eslint.org/docs/rules/indent
        indent: ['error', 4, {
          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', '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 },
            break: { 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 arthmetic groups disallows mixing `%` and `**`
          // with other arithmetic operators.
          groups: [
            ['%', '**'],
            ['%', '+'],
            ['%', '-'],
            ['%', '*'],
            ['%', '/'],
            ['**', '+'],
            ['**', '-'],
            ['**', '*'],
            ['**', '/'],
            ['&', '|', '^', '~', '<<', '>>', '>>>'],
            ['==', '!=', '===', '!==', '>', '>=', '<', '<='],
            ['&&', '||'],
            ['in', 'instanceof']
          ],
          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 and only one newline at the end
        'no-multiple-empty-lines': ['error', { max: 2, 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' }],

        // Require or disallow padding lines between statements
        // https://eslint.org/docs/rules/padding-line-between-statements
        'padding-line-between-statements': 'off',

        // Prefer use of an object spread over Object.assign
        // https://eslint.org/docs/rules/prefer-object-spread
        // TODO: semver-major (eslint 5): enable
        'prefer-object-spread': 'off',

        // 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
          },
          block: {
            exceptions: ['-', '+'],
            markers: ['=', '!'], // space here to support sprockets directives
            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 //
       // 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',

        // IMPORT //
        // 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
            '**/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
          ],
          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',

        // 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: Infinity }],

        // 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',

        // 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',


        // prevents stupid complaints a la
        // (req) {
        //   req.something = x;
        // }
        'no-param-reassign': [2, { props: false }],
        'no-multi-spaces': [0],
        'max-len': ['error', 120],
        'import/no-extraneous-dependencies': [0],
        'prefer-arrow-callback': [0],
        'arrow-body-style': [0],
        'no-return-assign': 0,
        'no-console': [0],
        // i like loops
        'no-plusplus': [0],

        'no-await-in-loop': [0],
        'indent': ['error', 4],
        'keyword-spacing': ['error'],
        'key-spacing': ['error'],
    },
};