ESLint Files

.babelrc

{
  "presets": ["babel-preset-expo"],
  "env": {
    "development": {
      "plugins": ["transform-react-jsx-source"]
    }
  }
}

component.js

class One extends React.Component {
  // This triggers the error: "Parsing error: Unexpected token ="
  static navigationOptions = {
    title: 'First Screen'
  }
}

eslintrc.yml

extends: standard
plugins:
  - standard
  - promise
  - react
rules:
  "react/jsx-uses-vars": 1