.eslintrc

{
  "root": true,
  "plugins": [
    "react"
  ],
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:import/errors",
    "plugin:import/warnings"
  ],
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true
    }
  },
  "env": {
    "browser": true,
    "node": true,
    "mocha": true
  },
  "rules": {
    "no-console": "warn",
    "comma-dangle": ["warn", "always-multiline"],
    "no-mixed-spaces-and-tabs": "error",
    "no-trailing-spaces": "warn",
    "quotes": ["warn", "double", { "allowTemplateLiterals": true }],
    "semi": ["warn", "never"],

    "react/prefer-es6-class": "warn",
    "react/prefer-stateless-function": "warn",
    "react/prop-types": "warn",
    "react/no-unused-prop-types": "warn",
    "react/jsx-first-prop-new-line": ["warn", "multiline"],
    "react/jsx-indent-props": ["warn", 2],
    "react/jsx-key": "error"
  }
}