module.exports = {
  env: {
    browser: true,
    node: true,
  },
  parserOptions: {
    ecmaVersion: 'latest',
    sourceType: 'module',
  },
  rules: {
    'accessor-pairs': 'off',
    'array-callback-return': ['error', {
      'allowImplicit': true,
    }],
    'arrow-body-style': ['error', 'as-needed', {
      'requireReturnForObjectLiteral': false,
    }],
    'block-scoped-var': 'error',
    'camelcase': ['error', {
      'properties': 'never',
      'ignoreDestructuring': false,
    }],
    'capitalized-comments': ['off', 'never', {
      'line': {
        'ignorePattern': '.*',
        'ignoreInlineComments': true,
        'ignoreConsecutiveComments': true,
      },
      'block': {
        'ignorePattern': '.*',
        'ignoreInlineComments': true,
        'ignoreConsecutiveComments': true,
      },
    }],
    'class-methods-use-this': ['warn', {
      'exceptMethods': [],
    }],
    'complexity': ['off', 20],
    'consistent-return': 'error',
    'consistent-this': 'off',
    'constructor-super': 'error',
    'curly': ['error', 'multi-line'],
    'default-case': ['error', {
      'commentPattern': '^no default$',
    }],
    'default-case-last': 'error',
    'default-param-last': 'error',
    'dot-notation': ['error', {
      'allowKeywords': true,
    }],
    'eqeqeq': ['error', 'always', {
      'null': 'ignore',
    }],
    'for-direction': 'error',
    'func-name-matching': ['off', 'always', {
      'includeCommonJSModuleExports': false,
      'considerPropertyDescriptor': true,
    }],
    'func-names': 'warn',
    'func-style': ['error', 'expression'],
    'getter-return': ['error', {
      'allowImplicit': true,
    }],
    'grouped-accessor-pairs': 'error',
    'guard-for-in': 'error',
    'id-denylist': 'off',
    'id-length': 'off',
    'id-match': 'off',
    'init-declarations': 'off',
    'line-comment-position': ['off', {
      'position': 'above',
      'ignorePattern': null,
      'applyDefaultPatterns': true,
    }],
    'logical-assignment-operators': ['error', 'always'],
    'max-classes-per-file': ['error', 1],
    'max-depth': 'off',
    'max-lines': 'off',
    'max-lines-per-function': 'off',
    'max-nested-callbacks': 'off',
    'max-params': ['warn', {
      max: 3
    }],
    'max-statements': 'off',
    'multiline-comment-style': ['off', 'starred-block',],
    'new-cap': ['error', {
      'newIsCap': true,
      'newIsCapExceptions': [],
      'capIsNew': false,
      'capIsNewExceptions': [
        'Immutable.Map',
        'Immutable.Set',
        'Immutable.List',
      ],
    }],
    'no-alert': 'error',
    'no-array-constructor': 'error',
    'no-async-promise-executor': 'error',
    'no-await-in-loop': 'error',
    'no-bitwise': 'error',
    'no-caller': 'error',
    'no-case-declarations': 'error',
    'no-class-assign': 'error',
    'no-compare-neg-zero': 'error',
    'no-cond-assign': ['error', 'always',],
    'no-console': 'warn',
    'no-const-assign': 'error',
    'no-constant-binary-expression': 'off',
    'no-constant-condition': 'warn',
    'no-constructor-return': 'error',
    'no-continue': 'off',
    'no-control-regex': 'error',
    'no-debugger': 'error',
    'no-delete-var': 'error',
    'no-div-regex': 'off',
    'no-dupe-args': 'error',
    'no-dupe-class-members': 'error',
    'no-dupe-else-if': 'error',
    'no-dupe-keys': 'error',
    'no-duplicate-case': 'error',
    'no-duplicate-imports': 'off',
    'no-else-return': ['error', {
      'allowElseIf': false,
    }],
    'no-empty': 'error',
    'no-empty-character-class': 'error',
    'no-empty-function': ['error', {
      'allow': [
        'arrowFunctions',
        'functions',
        'methods',
      ],
    }],
    'no-empty-pattern': 'error',
    'no-empty-static-block': 'error',
    'no-eq-null': 'error',
    'no-eval': 'error',
    'no-ex-assign': 'error',
    'no-extend-native': 'error',
    'no-extra-bind': 'error',
    'no-extra-boolean-cast': 'error',
    'no-extra-label': 'error',
    'no-fallthrough': 'error',
    'no-func-assign': 'error',
    'no-global-assign': ['error', {
      'exceptions': [],
    }],
    'no-implicit-coercion': ['off', {
      'boolean': false,
      'number': true,
      'string': true,
      'allow': [],
    }],
    'no-implicit-globals': 'off',
    'no-implied-eval': 'error',
    'no-import-assign': 'error',
    'no-inline-comments': 'off',
    'no-inner-declarations': 'error',
    'no-invalid-regexp': 'error',
    'no-invalid-this': 'off',
    'no-irregular-whitespace': 'error',
    'no-iterator': 'error',
    'no-label-var': 'error',
    'no-labels': ['error', {
      'allowLoop': false,
      'allowSwitch': false,
    }],
    'no-lone-blocks': 'error',
    'no-lonely-if': 'error',
    'no-loop-func': 'error',
    'no-loss-of-precision': 'error',
    'no-magic-numbers': 'off',
    'no-misleading-character-class': 'error',
    'no-multi-assign': 'error',
    'no-multi-str': 'error',
    'no-negated-condition': 'off',
    'no-nested-ternary': 'error',
    'no-new': 'error',
    'no-new-func': 'error',
    'no-new-native-nonconstructor': 'error',
    'no-new-symbol': 'error',
    'no-new-wrappers': 'error',
    'no-nonoctal-decimal-escape': 'error',
    'no-obj-calls': 'error',
    'no-object-constructor': 'error',
    'no-octal': 'error',
    'no-octal-escape': 'error',
    'no-param-reassign': ['error', {
      'props': true,
      'ignorePropertyModificationsFor': [
        'acc',
        'accumulator',
        'e',
        'ctx',
        'context',
        'req',
        'request',
        'res',
        'response',
        '$scope',
        'staticContext',
      ],
    }],
    'no-plusplus': ['error', {
      'allowForLoopAfterthoughts': true
    }],
    'no-promise-executor-return': 'error',
    'no-proto': 'error',
    'no-prototype-builtins': 'error',
    'no-redeclare': 'error',
    'no-regex-spaces': 'error',
    'no-restricted-exports': ['error', {
      'restrictedNamedExports': [
        'default then',
      ],
    }],
    'no-restricted-globals': ['error',
      {
        'name': 'event',
        'message': 'Use local parameter instead.',
      },
      {
        'name': 'fdescribe',
        'message': 'Do not commit fdescribe. Use describe instead.',
      },
    ],
    'no-restricted-imports': ['off', {
      'paths': [],
      'patterns': [],
    }],
    '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.',
      },
    ],
    'no-restricted-syntax': ['error',
      {
        '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.',
      },
    ],
    'no-return-assign': ['error', 'always'],
    'no-script-url': 'error',
    'no-self-assign': ['error', {
      'props': true,
    }],
    'no-self-compare': 'error',
    'no-sequences': 'error',
    'no-setter-return': 'error',
    'no-shadow': 'error',
    'no-shadow-restricted-names': 'error',
    'no-sparse-arrays': 'error',
    'no-template-curly-in-string': 'error',
    'no-ternary': 'off',
    'no-this-before-super': 'error',
    'no-throw-literal': 'error',
    'no-undef': 'error',
    'no-undef-init': 'error',
    'no-undefined': 'error',
    'no-underscore-dangle': 'off',
    'no-unexpected-multiline': 'error',
    'no-unmodified-loop-condition': 'off',
    'no-unneeded-ternary': ['error', {
      'defaultAssignment': false,
    }],
    'no-unreachable': 'error',
    'no-unreachable-loop': ['error', {
      'ignore': [],
    }],
    'no-unsafe-finally': 'error',
    'no-unsafe-negation': 'error',
    'no-unsafe-optional-chaining': ['error', {
      'disallowArithmeticOperators': true,
    }],
    'no-unused-expressions': ['error', {
      'allowShortCircuit': false,
      'allowTernary': false,
      'allowTaggedTemplates': false,
    }],
    'no-unused-labels': 'error',
    'no-unused-private-class-members': 'error',
    'no-unused-vars': ['error', {
      'vars': 'all',
      'args': 'after-used',
      'ignoreRestSiblings': true,
    }],
    'no-use-before-define': ['error', {
      'functions': true,
      'classes': true,
      'variables': true,
    }],
    'no-useless-backreference': 'error',
    'no-useless-call': 'off',
    'no-useless-catch': 'error',
    'no-useless-computed-key': 'error',
    'no-useless-concat': 'error',
    'no-useless-constructor': 'error',
    'no-useless-escape': 'error',
    'no-useless-rename': ['error', {
      'ignoreDestructuring': false,
      'ignoreImport': false,
      'ignoreExport': false,
    }],
    'no-useless-return': 'error',
    'no-var': 'error',
    'no-void': 'error',
    'no-warning-comments': ['off', {
      'terms': [
        'todo',
        'fixme',
        'xxx',
      ],
      'location': 'start',
    }],
    'no-with': 'error',
    'object-shorthand': ['error', 'always', {
      'ignoreConstructors': false,
      'avoidQuotes': true,
    }],
    'one-var': ['error', 'never'],
    'operator-assignment': ['error', 'always'],
    'prefer-arrow-callback': ['error', {
      'allowNamedFunctions': false,
      'allowUnboundThis': true,
    }],
    'prefer-const': ['error', {
      'destructuring': 'any',
      'ignoreReadBeforeAssign': true,
    }],
    'prefer-destructuring': ['error',
      {
        'VariableDeclarator': {
          'array': false,
          'object': true,
        },
        'AssignmentExpression': {
          'array': true,
          'object': false,
        },
      },
      {
        'enforceForRenamedProperties': false,
      },
    ],
    'prefer-exponentiation-operator': 'error',
    'prefer-named-capture-group': 'off',
    'prefer-numeric-literals': 'error',
    'prefer-object-has-own': 'error',
    'prefer-object-spread': 'error',
    'prefer-promise-reject-errors': ['error', {
      'allowEmptyReject': true,
    }],
    'prefer-regex-literals': ['error', {
      'disallowRedundantWrapping': true,
    }],
    'prefer-rest-params': 'error',
    'prefer-spread': 'error',
    'prefer-template': 'error',
    'radix': 'error',
    'require-atomic-updates': 'off',
    'require-await': 'error',
    'require-unicode-regexp': 'off',
    'require-yield': 'error',
    'sort-imports': 'off',
    'sort-keys': 'off',
    'sort-vars': 'error',
    'strict': ['error', 'never'],
    'symbol-description': 'error',
    'unicode-bom': ['error', 'never'],
    'use-isnan': 'error',
    'valid-typeof': ['error', {
      'requireStringLiterals': true,
    }],
    'vars-on-top': 'error',
    'yoda': 'error',
  }
}