.eslintrc.json

{
  "extends": ["eslint:recommended", "plugin:react/recommended"],
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module"
  },
  "parser": "babel-eslint",
  "root": true,
  "env": {
    "browser": true,
    "es6": true,
    "node": true,
    "mocha": true
  },
  "plugins": [
    "react"
  ],
  "rules": {
    "new-cap": 0,
    "strict": 0,
    "no-underscore-dangle": 0,
    "no-use-before-define": 1,
    "eol-last": 1,
    "indent": [2, 2, { "SwitchCase": 0 }],
    "quotes": [2, "single"],
    "linebreak-style": [2, "unix"],
    "semi": [2, "always"],
    "no-console": 1,
    "no-debugger": 2,
    "no-dupe-keys": 2,
    "no-dupe-args": 2,
    "no-invalid-regexp": 2,
    "no-duplicate-case": 2,
    "use-isnan": 2,
    "no-sparse-arrays": 2,
    "no-unreachable": 2,
    "valid-typeof": 2,
    "no-cond-assign": 2,
    "no-func-assign": 2,
    "no-obj-calls": 2,
    "no-unused-vars": [1, {
      "argsIgnorePattern": "^_",
      "varsIgnorePattern": "^debug$|^assert$|^withTransaction$"
    }]
  }
}