.eslintrc.js

module.exports = {
  "parser": "babel-eslint",
  "env": {
      "es6": true,
      "node": true
  },
  "extends": "airbnb",
  "globals": {
      "Atomics": "readonly",
      "SharedArrayBuffer": "readonly"
  },
  "parserOptions": {
      "ecmaFeatures": {
          "jsx": true
      },
      "ecmaVersion": 2018,
      "sourceType": "module",
  },
  "plugins": [
      "react"
  ],
  "rules": {
      "no-tabs": 0,
      "indent":0,
      "semi": 0,
      "no-const-assign": "warn",
      "no-this-before-super": "warn",
      "no-undef": "error",
      "no-unreachable": "warn",
      "no-unused-vars": "warn",
      "constructor-super": "warn",
      "valid-typeof": "warn",
      "react/prefer-stateless-function":0,
      "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
      "no-multiple-empty-lines": 0,
      "no-use-before-define": ["error", { "functions": true, "classes": true, "variables": false }],
      "object-curly-newline": ["warn", {
          "ObjectExpression": "never",
          "ObjectPattern": { "multiline": true },
          "ImportDeclaration": "never",
          "ExportDeclaration": { "multiline": true, "minProperties": 3 }
      }],
      "react/self-closing-comp": ["warn", {
          "component": true,
          "html": true
      }],
      "no-trailing-spaces": 0,
      "comma-dangle": ["error", {
          "arrays": "never",
          "objects": "ignore",
          "imports": "never",
          "exports": "never",
          "functions": "ignore"
      }],
      "react/react-in-jsx-scope": 0,
      "react/jsx-indent": 0,
      "arrow-body-style": 0,
      "use_spaces": 0,
      "react/destructuring-assignment": 0,
      "react/prop-types": 0,
      "object-curly-spacing": 0,
      "key-spacing": 0,
      "react/jsx-indent-props": 0,
      "global-require": 0,
      "react/jsx-boolean-value": 0,
      "react/jsx-closing-bracket-location": 0,
      "object-curly-newline": 0,
      "react/jsx-curly-brace-presence": 0,
      "react/jsx-equals-spacing": 0,
      "quotes": 0,
      "padded-blocks": 0,
      "react/no-unescaped-entities": 0,
      "arrow-parens": 0,
      "no-unneeded-ternary": 1,
      "react/jsx-closing-tag-location": 1,
      "prefer-const": 1,
      "react/no-unused-state": 1,
      "quote-props": 0,
      "no-mixed-spaces-and-tabs": 0,
      "max-len": 0,
      "react/jsx-one-expression-per-line": 0,
      "react/no-access-state-in-setstate": 0,
      "no-plusplus": 0,
      "react/prop-types": 0
  }
};