My personal eslintrc

.eslintrc

{
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "module",
    "ecmaFeatures": {
      "globalReturn": true, // allow return statements in the global scope
      "impliedStrict": true,  //  enable global strict mode (if ecmaVersion is 5 or greater)
      "jsx": true,  //  enable JSX
      "experimentalObjectRestSpread": true, //  enable support for the experimental object rest/spread properties
      "allowImportExportEverywhere": true
    }
  },
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true,
    "commonjs": true,
    "shared-node-browser": true,
    "es6": true,
    "worker": false,
    "amd": true,
    // Testing module
    "mocha": false,
    "jasmine": false,
    "jest": false,
    "phantomjs": false,
    "protractor": false,
    "qunit": false,
    "jquery": false,
    "prototypejs": false,
    "shelljs": false,
    "meteor": false,
    "mongo": false,
    "applescript": false,
    "nashorn": false,
    "serviceworker": false,
    "atomtest": false,
    "embertest": false,
    "webextensions": false,
    "greasemonkey": false
  },
  "plugins": [],
  "rules": {
    "for-direction": "warn",
    "getter-return": [ "error", { "allowImplicit": false } ],
    "no-await-in-loop": "error",
    "no-compare-neg-zero": "error",
    "no-cond-assign": "error",
    "no-console": [ "error", { "allow": [ "warn", "error", "info" ] } ],
    "no-constant-condition": "error",
    "no-control-regex": "error",
    "no-debugger": "error",
    "no-dupe-args": "error",
    "no-dupe-keys": "error",
    "no-duplicate-case": "error",
    "no-empty": [ "error", { "allowEmptyCatch": true } ],
    "no-empty-character-class": "error",
    "no-ex-assign": "error",
    "no-extra-boolean-cast": "error",
    "no-extra-parens": "error",
    "no-extra-semi": "error",
    "no-func-assign": "error",
    "no-inner-declarations": [ "error", "both" ],
    "no-invalid-regexp": [ "error", { "allowConstructorFlags": ["u", "y"] } ],
    "no-irregular-whitespace": [ "error", { "skipStrings": true, "skipComments": true, "skipRegExps": true, "skipTemplates": true} ],
    "no-obj-calls": "error",
    "no-prototype-builtins": "error",
    "no-regex-spaces": "error",
    "no-sparse-arrays": "error",
    "no-template-curly-in-string": "warn",
    "no-unexpected-multiline": "warn",
    "no-unreachable": "error",
    "no-unsafe-finally": "error",
    "no-unsafe-negation": "error",
    "use-isnan": "error",
    "valid-jsdoc": "warn",
    "valid-typeof": [ "error", { "requireStringLiterals": true } ],

    "accessor-pairs": [ "warn", { "setWithoutGet": true, "getWithoutSet": true } ],
    "array-callback-return": "error",
    "block-scoped-var": "error",
    "class-methods-use-this": "error",
    "complexity": [ "error", { "max": 3 } ],
    "consistent-return": [ "error", { "treatUndefinedAsUnspecified": false } ],
    "curly": "error",
    "default-case": "warn",
    "dot-location": [ "error", "property" ],
    "dot-notation": "error",
    "eqeqeq": [ "error", "smart" ],
    "guard-for-in": "error",
    "no-alert": "error",
    "no-caller": "error",
    "no-case-declarations": "error",
    "no-div-regex": "error",
    "no-else-return": [ "error", { "allowElseIf": true } ],
    "no-empty-function": "error",
    "no-empty-pattern": "error",
    "no-eq-null": "error",
    "no-eval": "error",
    "no-extend-native": [ "error", { "exceptions": [ "Object" ] } ],
    "no-extra-bind": "error",
    "no-extra-label": "error",
    "no-fallthrough": "error",
    "no-floating-decimal": "error",
    "no-global-assign": "error",
    "no-implicit-coercion": "error",
    "no-implicit-globals": "error",
    "no-implied-eval": "error",
    "no-invalid-this": "error",
    "no-iterator": "error",
    "no-labels": "error",
    "no-lone-blocks": "error",
    "no-loop-func": "error",
    "no-magic-numbers": [ "error", { "ignoreArrayIndexes": true, "detectObjects": true, "enforceConst": true } ],
    "no-multi-spaces": "error",
    "no-multi-str": "error",
    "no-new": "error",
    "no-new-func": "error",
    "no-new-wrappers": "error",
    "no-octal": "error",
    "no-octal-escape": "error",
    "no-param-reassign": [ "error", { "props": false } ],
    "no-proto": "error",
    "no-redeclare": [ "error", { "builtinGlobals": true } ],
    "no-restricted-properties": "error",
    "no-return-assign": [ "error", "except-parens" ],
    "no-return-await": "error",
    "no-script-url": "error",
    "no-self-assign": [ "error", { "props": true } ],
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-throw-literal": "error",
    "no-unmodified-loop-condition": "error",
    "no-unused-expressions": "error",
    "no-unused-labels": "error",
    "no-useless-call": "error",
    "no-useless-concat": "error",
    "no-useless-escape": "error",
    "no-useless-return": "error",
    "no-void": "error",
    "no-warning-comments": "error",
    "no-with": "error",
    "prefer-promise-reject-errors": [ "error", { "allowEmptyReject": true } ],
    "radix": [ "error", "always" ],
    "vars-on-top": "error",
    "wrap-iife": [ "error", "outside" ],
    "yoda": [ "error", "never", { "exceptRange": false, "onlyEquality": false } ],
    "strict": [ "error", "safe" ],
    "init-declarations": [ "error", "always", { "ignoreForLoopInit": true } ],
    "no-catch-shadow": "error",
    "no-delete-var": "error",
    "no-label-var": "error",
    "no-restricted-globals": "error",
    "no-shadow": [ "error", { "builtinGlobals": false, "hoist": "functions", "allow": [ "done" ] } ],
    "no-shadow-restricted-names": "error",
    "no-undef": "error",
    "no-undef-init": "error",
    "no-undefined": "error",
    "no-unused-vars": [ "error", { "vars": "all", "args": "all", "caughtErrors": "all" } ],
    "no-use-before-define": [ "error", { "functions": true, "classes": true }],
    "callback-return": "error",
    "global-require": "error",
    "handle-callback-err": [ "error", "error" ],
    "no-buffer-constructor": "error",
    "no-mixed-requires": [ "error", { "grouping": false, "allowCall": false } ],
    "no-new-require": "error",
    "no-path-concat": "error",
    "no-process-env": "off",
    "no-process-exit": "error",
    "no-restricted-modules": "error",
    "no-sync": [ "error", { "allowAtRootLevel": false } ],

      "arrow-body-style": ["error", "as-needed", { "requireReturnForObjectLiteral": true }],
      "arrow-parens": [2, "as-needed", { "requireForBlockBody": true }],
      "arrow-spacing": "error",
      "semi": 2,
      "object-curly-spacing": "off"
  },
  "root": true,
  "extends": "eslint:all"
}