.eslintrc.json

{
  "env": {
    "amd": true,
    "browser": true,
    "es6": true,
    "jest": true,
    "shared-node-browser": true
  },
  "extends": ["eslint:recommended", "plugin:react/recommended", "prettier"],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 2019,
    "jsx": true
  },
  "rules": {
    "accessor-pairs": ["error"],
    "array-callback-return": ["off"],
    "array-element-newline": ["off", { "multiline": true }],
    "arrow-parens": ["error", "as-needed"],
    "arrow-spacing": ["error"],
    "block-scoped-var": ["error"],
    "block-spacing": ["error"],
    "brace-style": ["error", "1tbs"],
    "callback-return": ["off"],

    "capitalized-comments": ["off"],
    "camelcase": ["error"],
    "comma-dangle": ["off", "never"],
    "comma-style": ["error", "last"],
    "comma-spacing": [
      "error",
      {
        "after": true,
        "before": false
      }
    ],
    "complexity": ["off"],
    "computed-property-spacing": ["error", "never"],
    "consistent-return": ["error"],
    "consistent-this": ["error"],
    "constructor-super": ["error"],
    "class-methods-use-this": ["off", { "exceptMethods": ["render"] }],
    "default-case": ["error"],
    "dot-location": ["error", "property"],
    "dot-notation": ["error"],
    "eol-last": ["error"],
    "eqeqeq": ["off"],
    "for-direction": ["error"],
    "func-call-spacing": ["error"],
    "func-name-matching": ["off"],
    "func-names": ["off"],
    "func-style": ["off"],
    "function-paren-newline": ["off", "consistent"],
    "generator-star-spacing": ["error", { "before": true, "after": false }],
    "getter-return": ["error"],
    "global-require": ["off"],
    "guard-for-in": ["error"],
    "handle-callback-err": ["off"],
    "id-blacklist": ["error", "foo", "bar", "quux"],
    "id-length": ["error", { "min": 1, "max": 28 }],
    "id-match": ["off"],
    "indent": ["off"],
    "init-declarations": ["off"],
    "init-rule-declaration": ["off"],
    "jsx-quotes": ["error", "prefer-double"],
    "keyword-spacing": ["error"],
    "linebreak-style": ["error", "unix"],
    "lines-between-class-members": ["error", "always", { "exceptAfterSingleLine": true }],
    "max-classes-per-file": ["error"],
    "max-depth": ["off"],
    "max-lines": ["off"],
    "max-lines-per-function": ["off"],
    "max-nested-callbacks": ["off"],
    "max-params": ["off"],
    "max-statements-per-line": ["error", { "max": 2 }],
    "max-statements": ["off"],
    "multiline-comment-style": ["off"],
    "multiline-ternary": ["off"],
    "new-parens": ["error"],
    "newline-after-var": ["off", "always"],
    "new-cap": [
      "error",
      {
        "newIsCap": true,
        "capIsNew": true,
        "capIsNewExceptions": ["CollectGarbage"],
        "properties": true
      }
    ],
    "newline-before-return": ["off"],
    "newline-per-chained-call": ["off"],
    "no-alert": ["error"],
    "no-array-constructor": ["error"],
    "no-async-promise-executor": ["error"],
    "no-await-in-loop": ["error"],
    "no-bitwise": ["off"],
    "no-buffer-constructor": ["error"],
    "no-caller": ["error"],
    "no-case-declarations": ["error"],
    "no-class-assign": ["error"],
    "no-cond-assign": ["error", "except-parens"],
    "no-console": ["off"],
    "no-control-regex": ["off"],
    "no-const-assign": ["error"],
    "no-constant-condition": ["error"],
    "no-continue": ["off"],
    "no-compare-neg-zero": ["error"],
    "no-debugger": ["error"],
    "no-delete-var": ["error"],
    "no-div-regex": ["error"],
    "no-dupe-args": ["error"],
    "no-dupe-class-members": ["error"],
    "no-dupe-keys": ["error"],
    "no-duplicate-case": ["error"],
    "no-duplicate-imports": ["error"],
    "no-else-return": ["off"],
    "no-empty": ["error"],
    "no-empty-function": ["error"],
    "no-empty-character-class": ["error"],
    "no-empty-pattern": ["error"],
    "no-eq-null": ["error"],
    "no-eval": ["error"],
    "no-ex-assign": ["off"],
    "no-extend-native": ["error"],
    "no-extra-bind": ["error"],
    "no-extra-boolean-cast": ["error"],
    "no-extra-label": ["error"],
    "no-extra-parens": ["off"],
    "no-extra-semi": ["error"],
    "no-fallthrough": ["error"],
    "no-floating-decimal": ["error"],
    "no-func-assign": ["error"],
    "no-global-assign": ["error"],
    "no-implicit-coercion": [
      "error",
      {
        "number": true,
        "string": true,
        "boolean": true,
        "allow": ["!!", "*"]
      }
    ],
    "no-implicit-globals": ["error"],
    "no-implied-eval": ["error"],
    "no-inner-declarations": ["error"],
    "no-inline-comments": ["off"],
    "no-invalid-this": ["error"],
    "no-invalid-regexp": ["error"],
    "no-irregular-whitespace": ["error"],
    "no-iterator": ["error"],
    "no-labels": ["off"],
    "no-label-var": ["error"],
    "no-lone-blocks": ["error"],
    "no-lonely-if": ["error"],
    "no-loop-func": ["error"],
    "no-magic-numbers": ["off", { "ignore": [-2, -1, -0.5, 0, 0.5, 1, 2], "ignoreArrayIndexes": true }],
    "no-misleading-character-class": ["error"],
    "no-mixed-requires": ["error"],
    "no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
    "no-multi-spaces": ["off"],
    "no-multiple-empty-lines": ["error"],
    "no-nested-ternary": ["off"],
    "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-param-reassign": ["off"],
    "no-path-concat": ["error"],
    "no-plusplus": ["off"],
    "no-proto": ["error"],
    "no-prototype-builtins": ["off"],
    "no-redeclare": ["error"],
    "no-restricted-imports": ["off"],
    "no-restricted-properties": ["error"],
    "no-return-await": ["error"],
    "no-regex-spaces": ["error"],
    "no-return-assign": ["error", "except-parens"],
    "no-self-assign": ["off"],
    "no-self-compare": ["error"],
    "no-script-url": ["error"],
    "no-shadow": ["error"],
    "no-shadow-restricted-names": ["error"],
    "no-sparse-arrays": ["error"],
    "no-template-curly-in-string": ["error"],
    "no-this-before-super": ["off"],
    "no-throw-literal": ["error"],
    "no-trailing-spaces": ["error"],
    "no-unmodified-loop-condition": ["error"],
    "no-unneeded-ternary": ["error"],
    "no-unused-expressions": ["off"],
    "no-undef": ["off"],
    "no-undef-init": ["error"],
    "no-undefined": ["off"],
    "no-unreachable": ["error"],
    "no-unsafe-finally": ["error"],
    "no-unsafe-negation": ["error"],
    "no-unused-vars": ["off", { "args": "none", "varsIgnorePattern": "^[A-Z].+" }],
    "no-unused-labels": ["error"],
    "no-use-before-define": ["off", { "functions": false }],
    "no-useless-call": ["error"],
    "no-useless-computed-key": ["error"],
    "no-useless-concat": ["error"],
    "no-useless-constructor": ["error"],
    "no-useless-escape": ["error"],
    "no-useless-rename": ["error"],
    "no-useless-return": ["error"],
    "no-var": ["error"],
    "no-void": ["error"],
    "no-warning-comments": ["off"],
    "no-with": ["error"],
    "object-curly-spacing": [
      "error",
      "always",
      {
        "arraysInObjects": true,
        "objectsInObjects": true
      }
    ],
    "object-shorthand": ["error", "properties"],
    "one-var": ["off"],
    "one-var-declaration-per-line": ["error", "initializations"],
    "operator-assignment": ["off"],
    "operator-linebreak": ["off", "before"],
    "padded-blocks": ["error", "never"],
    "padding-line-between-statements": ["off", { "blankLine": "always", "prev": "*", "next": "return" }],
    "prefer-arrow-callback": ["off"],
    "prefer-const": ["error"],
    "prefer-destructuring": ["off"],
    "prefer-named-capture-group": ["off"],
    "prefer-promise-reject-errors": ["error"],
    "prefer-rest-params": ["off"],
    "prefer-spread": ["off"],
    "prefer-template": ["off"],
    "quote-props": ["off"],
    "radix": ["error", "always"],
    "require-atomic-updates": ["error"],
    "require-await": ["error"],
    "require-jsdoc": ["off"],
    "rest-spread-spacing": ["error"],
    "require-unicode-regexp": ["off"],
    "require-yield": ["error"],
    "semi": ["error", "always"],
    "semi-spacing": ["error"],
    "sort-imports": [
      "error",
      {
        "ignoreCase": true
      }
    ],
    "space-before-function-paren": ["off", { "anonymous": "always", "named": "never" }],
    "space-in-parens": ["off", "never"],
    "space-infix-ops": ["off"],
    "space-unary-ops": [
      "off",
      {
        "words": true,
        "nonwords": false
      }
    ],
    "spaced-comment": ["error"],
    "strict": ["error", "global"],
    "template-curly-spacing": ["error", "never"],
    "use-isnan": ["error"],
    "vars-on-top": ["off"],
    "wrap-iife": ["error"],
    "wrap-regexp": ["off"],
    "yield-star-spacing": ["error"],
    "yoda": ["error", "never"],
    "valid-typeof": ["error"],
    "wrap-iife": [2, "any"],
    "consistent-return": ["off"],
    "react/prop-types": ["off"],
    "react/no-unknown-property": ["off"]
  },
  "settings": {
    "react": {
      "version": "detect"
    }
  }
}