.eslintrc

{
  "env": {
    "browser": false,
    "node": true,
    "es6": true
  },
  "parser": "babel-eslint",
  "parserOptions": {
    "sourceType": "module"
  },
  "globals": {
    "Atomics": "readonly",
    "SharedArrayBuffer": "readonly",
    "globalThis": "readonly",
    "Java": "readonly",
    "BigInt": "readonly",
    "log": "readonly",
    "internalBinding": "readonly",
    "DTRACE_HTTP_CLIENT_REQUEST": "readonly",
    "COUNTER_HTTP_CLIENT_REQUEST": "readonly",
    "DTRACE_HTTP_CLIENT_RESPONSE": "readonly",
    "COUNTER_HTTP_CLIENT_RESPONSE": "readonly"
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:import/errors",
    "plugin:import/warnings",
    "plugin:flowtype/recommended"
  ],
  "plugins": ["react", "flowtype"],
  "settings": {
    "flowtype": {
      "onlyFilesWithFlowAnnotation": true
    }
  },
  "rules": {
    // fixable styles
    "strict": "off",
    "eqeqeq": [2, "allow-null"], // require the use of === and !== (fixable)
    "object-shorthand": [1, "always", { "avoidExplicitReturnArrows": true }],
    "camelcase": [
      2,
      {
        "properties": "never"
      }
    ], // require camel case vars but not properties
    "no-extra-boolean-cast": [1],
    "spaced-comment": [1, "always"], // require or disallow a space immediately following the // or /* in a comment
    "no-lonely-if": [1], // disallow if as the only statement in an else block
    "no-new-object": [1], // disallow the use of the Object constructor
    "global-require": [2],
    "no-buffer-constructor": [2],
    "no-mixed-requires": [2],
    "no-new-require": [2],
    "no-path-concat": [2],
    "no-restricted-modules": [
      2,
      {
        "paths": [],
        "patterns": ["internal/*", "internal/**"]
      }
    ],
    "brace-style": [2, "1tbs", { "allowSingleLine": false }],

    // code
    "no-empty-pattern": [2], // disallow use of empty destructuring patterns
    "no-empty": [1],
    "no-eval": [2], // disallow use of eval()
    "no-nested-ternary": [1],
    "no-implied-eval": [2], // disallow use of eval()-like methods
    "no-labels": [2], // disallow use of labeled statements
    "no-lone-blocks": [2], // disallow unnecessary nested blocks
    "no-native-reassign": [2], // disallow reassignments of native objects
    "no-new-func": [2], // disallow use of new operator for Function object
    "no-redeclare": [2], // disallow declaring the same variable more then once
    "no-self-compare": [2], // disallow comparisons where both sides are exactly the same (off by default)
    "no-sequences": [0], // disallow use of comma operator
    "no-throw-literal": [0], // Restrict what can be thrown as an exception
    "no-unused-expressions": [1, { "allowTernary": true }], // disallow usage of expressions in statement position
    "no-useless-call": [1], // disallow unnecessary .call() and .apply()
    "max-nested-callbacks": [1, 5], // specify the maximum depth callbacks can be nested
    "max-params": [1],
    "prefer-arrow-callback": [1],

    // variables
    "no-catch-shadow": 2, // disallow the catch clause parameter name being the same as a variable in the outer scope (off by default in the node environment)
    "no-label-var": 2, // disallow labels that share a name with a variable
    "no-shadow-restricted-names": 2, // disallow shadowing of names such as arguments
    "no-undef": 2, // disallow use of undeclared variables unless mentioned in a /*global */ block
    "no-undef-init": 2, // disallow use of undefined when initializing variables
    "no-unused-vars": [
      2,
      {
        "vars": "local",
        "args": "after-used",
        "ignoreRestSiblings": true // left siblings are ignored when a rest property sibling is present
      }
    ], //  disallow declaration of variables that are not used in the code (recommended)
    "no-useless-concat": [1], // disallow unnecessary concatenation of literals or template literals
    "consistent-return": [1], // require return statements to either always or never specify values
    "dot-notation": [1], // encourages use of dot notation whenever possible
    "no-caller": [1], // disallow use of arguments.caller or arguments.callee
    "no-extra-bind": [1], // disallow unnecessary function binding
    "no-new-wrappers": [1], // disallows creating new instances of String, Number, and Boolean
    "no-proto": [1], // disallow usage of __proto__ property
    "no-script-url": [1], // disallow use of javascript: urls.
    "no-void": [1], // disallow use of the void operator
    "no-with": [1], // disallow use of the with statement
    "new-cap": [1, { "capIsNewExceptions": ["Deferred", "DataTable"] }], // require a capital letter for constructors
    "no-unneeded-ternary": [1], // disallow the use of ternary operators when a simpler alternative exists
    "no-fallthrough": [1],
    "no-unreachable": [1],
    "no-self-assign": [1],
    "no-unexpected-multiline": [1],
    "no-inline-comments": [0], // disallow inline comments after code
    "no-var": [1], // create variables with block scope instead of function scope using the let and const keywords

    /* SOME DAY */
    "no-multi-str": [0], // disallow use of multiline strings
    "consistent-this": [0, "self"], // require "this" alias to be "self"
    "linebreak-style": 0, // disallow mixed 'LF' and 'CRLF' as linebreaks
    "prefer-rest-params": [1],
    "prefer-const": [
      1,
      {
        "destructuring": "any",
        "ignoreReadBeforeAssign": true
      }
    ],
    "no-useless-constructor": [2],
    "no-iterator": [2],
    "no-dupe-class-members": [2],
    "constructor-super": [2],
    "no-class-assign": [2],
    "no-const-assign": [2],
    "no-new-symbol": [2],
    "no-this-before-super": [2],
    "no-useless-computed-key": [2],
    "prefer-template": [0],
    "arrow-body-style": [0, "as-needed"],
    /* Import */
    // analysis/correctness
    "import/named": [2], // prevents having your import be undefined
    "import/namespace": [2], // prevents accessing named members which do not appear in the export
    "import/default": [2], // ensure a default export exists when default importing
    "import/export": [2], // "Reports funny business with exports, like repeated exports of names or defaults."
    "import/first": [2], // group imports before all other code
    "import/no-mutable-exports": [2], // don't export mutable entities

    // weird syntax
    "import/no-named-default": [2], // don't do "import {default as something} from 'foo'", it's weird
    "import/no-named-as-default": [2], // don't import the default using the same name as a named export
    "import/no-named-as-default-member": [2], // don't destructure defaults, use named imports
    "import/no-duplicates": [2], // don't import the same module more than once

    // warnings
    "import/newline-after-import": [1], // keep your formatting nice
    "import/no-deprecated": [1], // Prevent import of deprecated members using @deprecated

    // Explicitly disable rules that are handled by prettier
    "react/jsx-closing-bracket-location": "off",
    "react/jsx-closing-tag-location": "off",
    "react/jsx-curly-spacing": "off",
    "react/jsx-equals-spacing": "off",
    "react/jsx-first-prop-new-line": "off",
    "react/jsx-indent": "off",
    "react/jsx-indent-props": "off",
    "react/jsx-max-props-per-line": "off",
    "react/jsx-space-before-closing": "off",
    "react/jsx-tag-spacing": "off",
    "react/jsx-wrap-multilines": "off",
    "react/react-in-jsx-scope": "off",
    "flowtype/generic-spacing": "off",
    "flowtype/space-after-type-colon": "off",
    "import/no-unresolved": "off",
    "max-len": 0,
    "no-console": "off",
    "no-confusing-arrow": 0,
    "no-mixed-operators": 0,
    "no-tabs": 0,
    "quotes": 0,
    "array-bracket-newline": "off",
    "array-bracket-spacing": "off",
    "array-element-newline": "off",
    "arrow-parens": "off",
    "arrow-spacing": "off",
    "block-spacing": "off",
    "comma-dangle": "off",
    "comma-spacing": "off",
    "comma-style": "off",
    "computed-property-spacing": "off",
    "dot-location": "off",
    "eol-last": "off",
    "func-call-spacing": "off",
    "function-paren-newline": "off",
    "generator-star": "off",
    "generator-star-spacing": "off",
    "indent": "off",
    "indent-legacy": "off",
    "jsx-quotes": "off",
    "key-spacing": "off",
    "keyword-spacing": "off",
    "multiline-ternary": "off",
    "newline-per-chained-call": "off",
    "new-parens": "off",
    "no-arrow-condition": "off",
    "no-comma-dangle": "off",
    "no-extra-parens": "off",
    "no-extra-semi": "off",
    "no-floating-decimal": "off",
    "no-mixed-spaces-and-tabs": "off",
    "no-multi-spaces": "off",
    "no-multiple-empty-lines": "off",
    "no-reserved-keys": "off",
    "no-space-before-semi": "off",
    "no-spaced-func": "off",
    "no-trailing-spaces": "off",
    "no-whitespace-before-property": "off",
    "no-wrap-func": "off",
    "nonblock-statement-body-position": "off",
    "object-curly-newline": "off",
    "object-property-newline": "off",
    "one-var-declaration-per-line": "off",
    "operator-linebreak": "off",
    "padded-blocks": "off",
    "quote-props": "off",
    "react/prop-types": "off",
    "rest-spread-spacing": "off",
    "semi": "off",
    "semi-spacing": "off",
    "semi-style": "off",
    "space-after-function-name": "off",
    "space-after-keywords": "off",
    "space-before-blocks": "off",
    "space-before-function-paren": "off",
    "space-before-function-parentheses": "off",
    "space-before-keywords": "off",
    "space-in-brackets": "off",
    "space-in-parens": "off",
    "space-infix-ops": "off",
    "space-return-throw-case": "off",
    "space-unary-ops": "off",
    "space-unary-word-ops": "off",
    "switch-colon-spacing": "off",
    "template-curly-spacing": "off",
    "template-tag-spacing": "off",
    "unicode-bom": "off",
    "wrap-iife": "off",
    "wrap-regex": "off",
    "yield-star-spacing": "off"
  }
}