.eslintrc

{
  "env": {
    "es6": true,
    "node": true
  },
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 8,
    "sourceType": "module",
    "ecmaFeatures": {
      "impliedStrict": true,
      "jsx": true,
      "experimentalObjectRestSpread": true
    }
  },
  "plugins": [
    "react",
    "react-native",
    "babel",
    "promise",
    "jest"
  ],
  "rules": {
    /*
     *                          possible errors
     */
    "comma-dangle": "error",
    "no-cond-assign": [
      "error",
      "except-parens"
    ],
    "no-console": "warn",
    "no-constant-condition": "error",
    "no-control-regex": "error",
    "no-debugger": "warn",
    "no-dupe-args": "error",
    "no-dupe-keys": "error",
    "no-duplicate-case": "error",
    "no-empty": "error",
    "no-empty-character-class": "error",
    "no-ex-assign": "error",
    "no-extra-boolean-cast": "error",
    "no-extra-parens": 0,
    "no-extra-semi": "error",
    "no-func-assign": "error",
    "no-inner-declarations": "error",
    "no-invalid-regexp": "error",
    "no-irregular-whitespace": "error",
    "no-negated-in-lhs": "error",
    "no-obj-calls": "error",
    "no-regex-spaces": "error",
    "no-sparse-arrays": "error",
    "no-unexpected-multiline": "error",
    "no-unreachable": "error",
    "use-isnan": "error",
    "valid-jsdoc": 0,
    "valid-typeof": "error",
    /*
     *                          best practices
     */
    "accessor-pairs": "warn",
    "array-callback-return": 0,
    "block-scoped-var": "error",
    "complexity": 0,
    "consistent-return": "error",
    "curly": [
      "error",
      "all"
    ],
    "default-case": "error",
    "dot-location": [
      "error",
      "property"
    ],
    "dot-notation": "error",
    "eqeqeq": "error",
    "guard-for-in": "error",
    "no-alert": "error",
    "no-caller": "error",
    "no-case-declarations": "error",
    "no-div-regex": 0,
    "no-else-return": 0,
    "no-empty-function": "error",
    "no-empty-pattern": "error",
    "no-eq-null": "error",
    "no-eval": "error",
    "no-extend-native": "error",
    "no-extra-bind": "error",
    "no-extra-label": "error",
    "no-fallthrough": "error",
    "no-floating-decimal": "error",
    "no-implicit-coercion": "error",
    "no-implicit-globals": 0,
    "no-implied-eval": "error",
    "no-invalid-this": 0,
    "no-iterator": "error",
    "no-labels": "error",
    "no-lone-blocks": "error",
    "no-loop-func": "error",
    "no-magic-numbers": 0,
    "no-multi-spaces": "error",
    "no-multi-str": 0,
    "no-native-reassign": "error",
    "no-new": "error",
    "no-new-func": "error",
    "no-new-wrappers": "error",
    "no-octal": "error",
    "no-octal-escape": "error",
    "no-param-reassign": "error",
    "no-proto": "error",
    "no-redeclare": 0,
    "no-return-assign": 0,
    "no-script-url": "error",
    "no-self-assign": "error",
    "no-self-compare": "error",
    "no-sequences": "error",
    "no-throw-literal": "error",
    "no-unmodified-loop-condition": 0,
    "no-unused-expressions": "error",
    "no-unused-labels": 0,
    "no-useless-call": "error",
    "no-useless-concat": "error",
    "no-void": "error",
    "no-warning-comments": 0,
    "no-with": "error",
    "radix": 0,
    "vars-on-top": 0,
    "wrap-iife": "error",
    "yoda": 0,
    "strict": [
      "error",
      "never"
    ],
    /*
     *                           variables
     */
    "init-declarations": 0,
    "no-catch-shadow": "error",
    "no-delete-var": "error",
    "no-label-var": "error",
    "no-restricted-globals": "error",
    "no-shadow": "error",
    "no-shadow-restricted-names": "error",
    "no-undef": 0,
    "no-undef-init": "error",
    "no-undefined": 0,
    "no-unused-vars": 0,
    "no-use-before-define": 0,
    /*
     *                          Node.js
     */
    "callback-return": 0,
    "global-require": 0,
    "handle-callback-err": 0,
    "no-mixed-requires": "error",
    "no-new-require": "error",
    "no-path-concat": "error",
    "no-process-env": 0,
    "no-process-exit": "error",
    "no-restricted-modules": 0,
    "no-sync": 0,
    /*
     *                          style
     */
    "array-bracket-spacing": [
      "error",
      "never"
    ],
    "block-spacing": "error",
    "brace-style": [
      "error",
      "1tbs"
    ],
    "camelcase": [
      "error",
      {
        "properties": "never"
      }
    ],
    "comma-spacing": [
      "error",
      {
        "before": false,
        "after": true
      }
    ],
    "comma-style": [
      "error",
      "last"
    ],
    "computed-property-spacing": [
      "error",
      "never"
    ],
    "consistent-this": [
      "error",
      "self"
    ],
    "eol-last": [
      "error",
      "unix"
    ],
    "func-names": 0,
    "func-style": 0,
    "id-blacklist": 0,
    "id-length": 0,
    "id-match": 0,
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "jsx-quotes": "error",
    "key-spacing": [
      "error",
      {
        "singleLine": {
          "beforeColon": false,
          "afterColon": true,
          "mode": "strict"
        },
        "multiLine": {
          "beforeColon": false,
          "afterColon": true,
          "mode": "strict"
        }
      }
    ],
    "keyword-spacing": [
      "error",
      {
        "before": true,
        "after": true
      }
    ],
    "linebreak-style": [
      "error",
      "unix"
    ],
    "lines-around-comment": 0,
    "max-depth": [
      "error",
      4
    ],
    "max-len": [
      "warn",
      150
    ],
    "max-nested-callbacks": [
      "error",
      4
    ],
    "max-params": [
      "error",
      6
    ],
    "max-statements": [
      "warn",
      15,
      {
        "ignoreTopLevelFunctions": true
      }
    ],
    "new-parens": "error",
    "newline-after-var": 0,
    "newline-before-return": 0,
    "newline-per-chained-call": 0,
    "no-array-constructor": "error",
    "no-bitwise": 0,
    "no-continue": 0,
    "no-inline-comments": 0,
    "no-lonely-if": "error",
    "no-mixed-spaces-and-tabs": 0,
    "no-multiple-empty-lines": [
      "error",
      {
        "max": 1
      }
    ],
    "no-negated-condition": 0,
    "no-nested-ternary": "error",
    "no-new-object": "error",
    "no-plusplus": 0,
    "no-restricted-syntax": 0,
    "no-spaced-func": "error",
    "no-ternary": 0,
    "no-trailing-spaces": [
      "error",
      {
        "skipBlankLines": true
      }
    ],
    "no-underscore-dangle": 0,
    "no-unneeded-ternary": "error",
    "no-whitespace-before-property": "error",
    "object-curly-spacing": [
      "error",
      "never"
    ],
    "one-var": 0,
    "one-var-declaration-per-line": 0,
    "operator-assignment": 0,
    "operator-linebreak": [
      "error",
      "before"
    ],
    "padded-blocks": [
      "error",
      "never"
    ],
    "quote-props": [
      "warn",
      "consistent-as-needed"
    ],
    "quotes": 0,
    "require-jsdoc": 0,
    "semi": [
      "error",
      "always"
    ],
    "semi-spacing": [
      "error",
      {
        "before": false,
        "after": true
      }
    ],
    "sort-imports": 0,
    "sort-vars": 0,
    "space-before-blocks": [
      "warn",
      "always"
    ],
    "space-before-function-paren": ["error", {
      "anonymous": "never",
      "named": "never",
      "asyncArrow": "always"
    }],
    "space-in-parens": [
      "error",
      "never"
    ],
    "space-infix-ops": "error",
    "space-unary-ops": "error",
    "spaced-comment": 0,
    "wrap-regex": "error",
    /*
     *                             ECMAScript 6
     */
    "arrow-body-style": 0,
    "arrow-parens": [
      "error",
      "always"
    ],
    "arrow-spacing": [
      "error",
      {
        "before": true,
        "after": true
      }
    ],
    "constructor-super": "error",
    "generator-star-spacing": [
      "error",
      "after"
    ],
    "no-class-assign": "error",
    "no-confusing-arrow": "error",
    "no-const-assign": "error",
    "no-dupe-class-members": "error",
    "no-new-symbol": "error",
    "no-restricted-imports": 0,
    "no-this-before-super": "error",
    "no-useless-constructor": 0,
    "no-var": "error",
    "object-shorthand": 0,
    "prefer-arrow-callback": 0,
    "prefer-const": "error",
    "prefer-reflect": 0,
    "prefer-rest-params": "error",
    "prefer-spread": "error",
    "prefer-template": 0,
    "require-yield": 0,
    "template-curly-spacing": [
      "error",
      "never"
    ],
    "yield-star-spacing": [
      "error",
      "after"
    ],
    /*
     *                              babel plugin
     */
    "babel/object-curly-spacing": [
      "error",
      "never"
    ],
    "babel/object-shorthand": 0,
    "babel/no-await-in-loop": 0,
    /*
     *                              promise
     */
    "promise/always-return": "off",
    "promise/no-return-wrap": "error",
    "promise/param-names": "error",
    "promise/catch-or-return": "off",
    "promise/no-native": "off",
    "promise/no-nesting": "error",
    "promise/no-promise-in-callback": "error",
    "promise/no-callback-in-promise": "off",
    "promise/avoid-new": "off"
  }
}