.eslintrc.json

{
    "parserOptions": {
      "ecmaVersion": 2020,
      "ecmaFeatures": {
        "jsx": true
      },
      "sourceType": "module"
    },
    "env": {
      "es6": true,
      "node": true
    },
    "plugins": [
      "import",
      "node",
      "promise",
      "standard"
    ],
    "globals": {
      "document": "readonly",
      "navigator": "readonly",
      "window": "readonly"
    },
    "rules": {
      "accessor-pairs": "error",
      "array-bracket-spacing": [
        "error",
        "never"
      ],
      "arrow-spacing": [
        "error",
        {
          "before": true,
          "after": true
        }
      ],
      "block-spacing": [
        "error",
        "always"
      ],
      "brace-style": [
        "error",
        "1tbs",
        {
          "allowSingleLine": true
        }
      ],
      "camelcase": [
        "error",
        {
          "properties": "never"
        }
      ],
      "comma-dangle": [
        "error",
        {
          "arrays": "never",
          "objects": "never",
          "imports": "never",
          "exports": "never",
          "functions": "never"
        }
      ],
      "comma-spacing": [
        "error",
        {
          "before": false,
          "after": true
        }
      ],
      "comma-style": [
        "error",
        "last"
      ],
      "computed-property-spacing": [
        "error",
        "never"
      ],
      "constructor-super": "error",
      "curly": [
        "error",
        "multi-line"
      ],
      "dot-location": [
        "error",
        "property"
      ],
      "dot-notation": [
        "error",
        {
          "allowKeywords": true
        }
      ],
      "eol-last": "error",
      "eqeqeq": [
        "error",
        "always",
        {
          "null": "ignore"
        }
      ],
      "func-call-spacing": [
        "error",
        "never"
      ],
      "generator-star-spacing": [
        "error",
        {
          "before": true,
          "after": true
        }
      ],
      "handle-callback-err": [
        "error",
        "^(err|error)$"
      ],
      "indent": [
        "error",
        2,
        {
          "SwitchCase": 1,
          "VariableDeclarator": 1,
          "outerIIFEBody": 1,
          "MemberExpression": 1,
          "FunctionDeclaration": {
            "parameters": 1,
            "body": 1
          },
          "FunctionExpression": {
            "parameters": 1,
            "body": 1
          },
          "CallExpression": {
            "arguments": 1
          },
          "ArrayExpression": 1,
          "ObjectExpression": 1,
          "ImportDeclaration": 1,
          "flatTernaryExpressions": false,
          "ignoreComments": false,
          "ignoredNodes": [
            "TemplateLiteral *"
          ]
        }
      ],
      "key-spacing": [
        "error",
        {
          "beforeColon": false,
          "afterColon": true
        }
      ],
      "keyword-spacing": [
        "error",
        {
          "before": true,
          "after": true
        }
      ],
      "lines-between-class-members": [
        "error",
        "always",
        {
          "exceptAfterSingleLine": true
        }
      ],
      "new-cap": [
        "error",
        {
          "newIsCap": true,
          "capIsNew": false,
          "properties": true
        }
      ],
      "new-parens": "error",
      "no-array-constructor": "error",
      "no-async-promise-executor": "error",
      "no-caller": "error",
      "no-case-declarations": "error",
      "no-class-assign": "error",
      "no-compare-neg-zero": "error",
      "no-cond-assign": "error",
      "no-const-assign": "error",
      "no-constant-condition": [
        "error",
        {
          "checkLoops": false
        }
      ],
      "no-control-regex": "error",
      "no-debugger": "error",
      "no-delete-var": "error",
      "no-dupe-args": "error",
      "no-dupe-class-members": "error",
      "no-dupe-keys": "error",
      "no-duplicate-case": "error",
      "no-empty-character-class": "error",
      "no-empty-pattern": "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-fallthrough": "error",
      "no-floating-decimal": "error",
      "no-func-assign": "error",
      "no-global-assign": "error",
      "no-implied-eval": "error",
      "no-inner-declarations": [
        "error",
        "functions"
      ],
      "no-invalid-regexp": "error",
      "no-irregular-whitespace": "error",
      "no-iterator": "error",
      "no-labels": [
        "error",
        {
          "allowLoop": false,
          "allowSwitch": false
        }
      ],
      "no-lone-blocks": "error",
      "no-misleading-character-class": "error",
      "no-prototype-builtins": "error",
      "no-useless-catch": "error",
      "no-mixed-operators": [
        "error",
        {
          "groups": [
            [
              "==",
              "!=",
              "===",
              "!==",
              ">",
              ">=",
              "<",
              "<="
            ],
            [
              "&&",
              "||"
            ],
            [
              "in",
              "instanceof"
            ]
          ],
          "allowSamePrecedence": true
        }
      ],
      "no-mixed-spaces-and-tabs": "error",
      "no-multi-spaces": "error",
      "no-multi-str": "error",
      "no-multiple-empty-lines": [
        "error",
        {
          "max": 1,
          "maxEOF": 0
        }
      ],
      "no-negated-in-lhs": "error",
      "no-new": "error",
      "no-new-func": "error",
      "no-new-object": "error",
      "no-new-require": "error",
      "no-new-symbol": "error",
      "no-new-wrappers": "error",
      "no-obj-calls": "error",
      "no-octal": "error",
      "no-octal-escape": "error",
      "no-path-concat": "error",
      "no-proto": "error",
      "no-redeclare": [
        "error",
        {
          "builtinGlobals": false
        }
      ],
      "no-regex-spaces": "error",
      "no-return-assign": [
        "error",
        "except-parens"
      ],
      "no-return-await": "error",
      "no-self-assign": [
        "error",
        {
          "props": true
        }
      ],
      "no-self-compare": "error",
      "no-sequences": "error",
      "no-shadow-restricted-names": "error",
      "no-sparse-arrays": "error",
      "no-tabs": "error",
      "no-template-curly-in-string": "error",
      "no-this-before-super": "error",
      "no-throw-literal": "error",
      "no-trailing-spaces": "error",
      "no-undef": "error",
      "no-undef-init": "error",
      "no-unexpected-multiline": "error",
      "no-unmodified-loop-condition": "error",
      "no-unneeded-ternary": [
        "error",
        {
          "defaultAssignment": false
        }
      ],
      "no-unreachable": "error",
      "no-unsafe-finally": "error",
      "no-unsafe-negation": "error",
      "no-unused-expressions": [
        "error",
        {
          "allowShortCircuit": true,
          "allowTernary": true,
          "allowTaggedTemplates": true
        }
      ],
      "no-unused-vars": [
        "error",
        {
          "vars": "all",
          "args": "none",
          "ignoreRestSiblings": true
        }
      ],
      "no-use-before-define": [
        "error",
        {
          "functions": false,
          "classes": false,
          "variables": false
        }
      ],
      "no-useless-call": "error",
      "no-useless-computed-key": "error",
      "no-useless-constructor": "error",
      "no-useless-escape": "error",
      "no-useless-rename": "error",
      "no-useless-return": "error",
      "no-void": "error",
      "no-whitespace-before-property": "error",
      "no-with": "error",
      "object-curly-newline": [
        "error",
        {
          "multiline": true,
          "consistent": true
        }
      ],
      "object-curly-spacing": [
        "error",
        "always"
      ],
      "object-property-newline": [
        "error",
        {
          "allowMultiplePropertiesPerLine": true
        }
      ],
      "one-var": [
        "error",
        {
          "initialized": "never"
        }
      ],
      "operator-linebreak": [
        "error",
        "after",
        {
          "overrides": {
            "?": "before",
            ":": "before",
            "|>": "before"
          }
        }
      ],
      "padded-blocks": [
        "error",
        {
          "blocks": "never",
          "switches": "never",
          "classes": "never"
        }
      ],
      "prefer-const": [
        "error",
        {
          "destructuring": "all"
        }
      ],
      "prefer-promise-reject-errors": "error",
      "quote-props": [
        "error",
        "as-needed"
      ],
      "quotes": [
        "error",
        "single",
        {
          "avoidEscape": true,
          "allowTemplateLiterals": false
        }
      ],
      "rest-spread-spacing": [
        "error",
        "never"
      ],
      "semi": [
        "error",
        "never"
      ],
      "semi-spacing": [
        "error",
        {
          "before": false,
          "after": true
        }
      ],
      "space-before-blocks": [
        "error",
        "always"
      ],
      "space-before-function-paren": [
        "error",
        "always"
      ],
      "space-in-parens": [
        "error",
        "never"
      ],
      "space-infix-ops": "error",
      "space-unary-ops": [
        "error",
        {
          "words": true,
          "nonwords": false
        }
      ],
      "spaced-comment": [
        "error",
        "always",
        {
          "line": {
            "markers": [
              "*package",
              "!",
              "/",
              ",",
              "="
            ]
          },
          "block": {
            "balanced": true,
            "markers": [
              "*package",
              "!",
              ",",
              ":",
              "::",
              "flow-include"
            ],
            "exceptions": [
              "*"
            ]
          }
        }
      ],
      "symbol-description": "error",
      "template-curly-spacing": [
        "error",
        "never"
      ],
      "template-tag-spacing": [
        "error",
        "never"
      ],
      "unicode-bom": [
        "error",
        "never"
      ],
      "use-isnan": "error",
      "valid-typeof": [
        "error",
        {
          "requireStringLiterals": true
        }
      ],
      "wrap-iife": [
        "error",
        "any",
        {
          "functionPrototypeMethods": true
        }
      ],
      "yield-star-spacing": [
        "error",
        "both"
      ],
      "yoda": [
        "error",
        "never"
      ],
      "import/export": "error",
      "import/first": "error",
      "import/no-absolute-path": [
        "error",
        {
          "esmodule": true,
          "commonjs": true,
          "amd": false
        }
      ],
      "import/no-duplicates": "error",
      "import/no-named-default": "error",
      "import/no-webpack-loader-syntax": "error",
      "node/no-deprecated-api": "error",
      "node/process-exit-as-throw": "error",
      "promise/param-names": "error",
      "standard/no-callback-literal": "error"
    }
  }