.eslintrc

{
  "root": true,
  "parser": "espree",
  "extends": [
  "plugin:node/recommended",
  "plugin:promise/recommended",
  "plugin:jest/recommended"
],
  "env": {
  "es6": true,
    "jest/globals": true,
    "node": true,
    "jasmine": true
},
  "parserOptions": {
  "sourceType": "module",
    "ecmaVersion": 12,
    "ecmaFeatures": {
    "impliedStrict": true,
      "modules": true
  }
},
  "plugins": [
  "import",
  "promise"
],
  "rules": {
  "array-bracket-spacing": [
    "error",
    "never"
  ],
    "array-callback-return": [
    "error",
    {
      "allowImplicit": true
    }
  ],
    "arrow-body-style": [
    "error",
    "as-needed",
    {
      "requireReturnForObjectLiteral": false
    }
  ],
    "arrow-parens": [
    "error",
    "always",
    {
      "requireForBlockBody": true
    }
  ],
    "arrow-spacing": [
    "error",
    {
      "after": true,
      "before": true
    }
  ],
    "block-scoped-var": "off",
    "block-spacing": [
    "error",
    "always"
  ],
    "brace-style": [
    "error",
    "1tbs",
    {
      "allowSingleLine": true
    }
  ],
    "camelcase": [
    "error",
    {
      "properties": "always"
    }
  ],
    "comma-dangle": [
    "error",
    "never"
  ],
    "comma-spacing": [
    "error",
    {
      "after": true,
      "before": false
    }
  ],
    "comma-style": [
    "error",
    "last"
  ],
    "computed-property-spacing": [
    "error",
    "never"
  ],
    "consistent-return": [
    "error",
    {
      "treatUndefinedAsUnspecified": true
    }
  ],
    "curly": [
    "error",
    "multi-line"
  ],
    "default-case": "error",
    "dot-location": [
    "error",
    "property"
  ],
    "dot-notation": [
    "error",
    {
      "allowKeywords": true
    }
  ],
    "eol-last": "error",
    "eqeqeq": "error",
    "func-names": "off",
    "func-style": [
    "error",
    "declaration",
    {
      "allowArrowFunctions": true
    }
  ],
    "function-paren-newline": [
    "error",
    "multiline"
  ],
    "guard-for-in": "error",
    "id-length": [
    "error",
    {
      "exceptions": [
        "_"
      ]
    }
  ],
    "import/export": "error",
    "import/newline-after-import": "error",
    "import/no-duplicates": "error",
    "import/no-mutable-exports": "error",
    "import/no-named-default": "error",
    "import/order": [
    "error",
    {
      "groups": [
        "builtin",
        "external",
        "internal",
        "parent",
        "sibling",
        "index"
      ]
    }
  ],
    "indent": [
    "error",
    2,
    {
      "SwitchCase": 1
    }
  ],
    "key-spacing": [
    "error",
    {
      "afterColon": true,
      "beforeColon": false
    }
  ],
    "keyword-spacing": "error",
    "max-len": [
    "error",
    160,
    2,
    {
      "ignoreComments": true,
      "ignoreUrls": true
    }
  ],
    "new-cap": [
    "off",
    {
      "capIsNewExceptions": [
        "Match",
        "OneOf",
        "Optional"
      ],
      "newIsCap": true
    }
  ],
    "new-parens": "error",
    "newline-per-chained-call": [
    "error",
    {
      "ignoreChainWithDepth": 4
    }
  ],
    "no-alert": "error",
    "no-array-constructor": "error",
    "no-await-in-loop": "error",
    "no-bitwise": "error",
    "no-caller": "error",
    "no-case-declarations": "error",
    "no-cond-assign": [
    "error",
    "always"
  ],
    "no-confusing-arrow": [
    "error",
    {
      "allowParens": true
    }
  ],
    "no-console": "error",
    "no-const-assign": "error",
    "no-constant-condition": "error",
    "no-debugger": "error",
    "no-dupe-keys": "error",
    "no-duplicate-case": "error",
    "no-else-return": "error",
    "no-empty": "error",
    "no-empty-pattern": "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-parens": [
    "error",
    "functions"
  ],
    "no-extra-semi": "error",
    "no-fallthrough": "error",
    "no-floating-decimal": "error",
    "no-func-assign": "error",
    "no-implicit-globals": "error",
    "no-implied-eval": "error",
    "no-inner-declarations": "error",
    "no-invalid-regexp": "error",
    "no-irregular-whitespace": "error",
    "no-lone-blocks": "error",
    "no-lonely-if": "error",
    "no-loop-func": "error",
    "no-mixed-operators": [
    "error",
    {
      "allowSamePrecedence": false,
      "groups": [
        [
          "%",
          "**"
        ],
        [
          "%",
          "+"
        ],
        [
          "%",
          "-"
        ],
        [
          "%",
          "*"
        ],
        [
          "%",
          "/"
        ],
        [
          "**",
          "+"
        ],
        [
          "**",
          "-"
        ],
        [
          "**",
          "*"
        ],
        [
          "**",
          "/"
        ],
        [
          "&",
          "|",
          "^",
          "~",
          "<<",
          ">>",
          ">>>"
        ],
        [
          "==",
          "!=",
          "===",
          "!==",
          ">",
          ">=",
          "<",
          "<="
        ],
        [
          "&&",
          "||"
        ],
        [
          "in",
          "instanceof"
        ]
      ]
    }
  ],
    "no-multi-assign": [
    "error"
  ],
    "no-multi-spaces": [
    "error",
    {
      "ignoreEOLComments": false
    }
  ],
    "no-multi-str": "error",
    "no-multiple-empty-lines": [
    "error",
    {
      "max": 2
    }
  ],
    "no-native-reassign": "error",
    "no-nested-ternary": "error",
    "no-new": "error",
    "no-new-func": "error",
    "no-new-object": "error",
    "no-new-wrappers": "error",
    "no-obj-calls": "error",
    "no-octal": "error",
    "no-octal-escape": "error",
    "no-param-reassign": "error",
    "no-plusplus": "error",
    "no-proto": "error",
    "no-prototype-builtins": "error",
    "no-redeclare": "error",
    "no-return-assign": [
    "error",
    "always"
  ],
    "no-return-await": "error",
    "no-script-url": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-shadow": "error",
    "no-shadow-restricted-names": "error",
    "no-spaced-func": "error",
    "no-sparse-arrays": "error",
    "no-tabs": "error",
    "no-throw-literal": "error",
    "no-trailing-spaces": "error",
    "no-undef": "error",
    "no-undef-init": "error",
    "no-underscore-dangle": "off",
    "no-unneeded-ternary": [
    "error",
    {
      "defaultAssignment": false
    }
  ],
    "no-unreachable": "error",
    "no-unsafe-finally": "error",
    "no-unused-vars": [
    "error",
    {
      "args": "after-used",
      "ignoreRestSiblings": true,
      "vars": "all"
    }
  ],
    "no-use-before-define": [
    "error",
    "nofunc"
  ],
    "no-useless-computed-key": "error",
    "no-useless-concat": "error",
    "no-useless-constructor": "error",
    "no-useless-escape": "error",
    "no-var": "error",
    "no-void": "error",
    "no-with": "error",
    "node/no-missing-import": "off",
    "node/no-missing-require": "off",
    "node/no-unsupported-features/es-syntax": "off",
    "node/no-unpublished-import": "off",
    "node/no-unpublished-require": "off",
    "node/shebang": "off",
    "object-curly-newline": [
    "error",
    {
      "ObjectExpression": {
        "consistent": true,
        "multiline": true
      },
      "ObjectPattern": {
        "consistent": true,
        "multiline": true
      }
    }
  ],
    "object-curly-spacing": [
    "error",
    "always",
    {
      "objectsInObjects": true
    }
  ],
    "object-property-newline": [
    "error",
    {
      "allowAllPropertiesOnSameLine": true
    }
  ],
    "object-shorthand": [
    "error",
    "always"
  ],
    "one-var": [
    "error",
    "never"
  ],
    "operator-assignment": [
    "error",
    "always"
  ],
    "padded-blocks": [
    "error",
    "never"
  ],
    "prefer-arrow-callback": [
    "error",
    {
      "allowNamedFunctions": false,
      "allowUnboundThis": true
    }
  ],
    "prefer-const": [
    "error",
    {
      "destructuring": "any",
      "ignoreReadBeforeAssign": false
    }
  ],
    "prefer-destructuring": [
    "error",
    {
      "AssignmentExpression": {
        "array": true,
        "object": true
      },
      "VariableDeclarator": {
        "array": false,
        "object": true
      }
    },
    {
      "enforceForRenamedProperties": false
    }
  ],
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "prefer-template": "error",
    "quote-props": [
    "error",
    "consistent-as-needed"
  ],
    "quotes": [
    "error",
    "double",
    {
      "avoidEscape": true
    }
  ],
    "radix": "error",
    "require-jsdoc": [
    "error",
    {
      "require": {
        "ArrowFunctionExpression": false,
        "ClassDeclaration": false,
        "FunctionDeclaration": true,
        "MethodDefinition": false
      }
    }
  ],
    "rest-spread-spacing": [
    "error",
    "never"
  ],
    "semi": [
    "error",
    "always"
  ],
    "semi-spacing": [
    "error",
    {
      "after": true,
      "before": false
    }
  ],
    "space-before-blocks": "error",
    "space-before-function-paren": [
    "error",
    {
      "anonymous": "always",
      "named": "never"
    }
  ],
    "space-in-parens": [
    "error",
    "never"
  ],
    "space-infix-ops": "error",
    "space-unary-ops": [
    "error",
    {
      "nonwords": false,
      "overrides": {},
      "words": true
    }
  ],
    "spaced-comment": [
    "error",
    "always"
  ],
    "strict": "off",
    "template-curly-spacing": "error",
    "use-isnan": "error",
    "valid-jsdoc": [
    "error",
    {
      "prefer": {
        "arg": "param",
        "argument": "param"
      }
    }
  ],
    "vars-on-top": "error",
    "wrap-iife": [
    "error",
    "outside",
    {
      "functionPrototypeMethods": false
    }
  ],
    "yoda": "error"
},
  "overrides": [
  {
    "files": [
      "**/*.test.js"
    ],
    "rules": {
      "node/no-extraneous-import": "off",
      "require-jsdoc": "off"
    }
  }
]
}