Set-up Linting for React Native

.eslintrc.js

/*
Install deps:

(
  export PKG=eslint-config-airbnb;
  npm info "$PKG@latest" peerDependencies --json | command sed 's/[\{\},]//g ; s/: /@/g' | xargs npm install --save-dev "$PKG@latest"
)
yarn add -D babel-eslint eslint-plugin-react-native

*/

module.exports = {
  parser: 'babel-eslint',
  extends: ['airbnb', 'plugin:react-native/all'],
  plugins: ['react-native'],
  rules: {
    'class-methods-use-this': 'warn',
    'no-use-before-define': 'warn',
    'comma-dangle': ['warn', 'never'],
    'react/jsx-filename-extension': ['error', { extensions: ['.js', '.jsx'] }],
    // React-Native HMR doesn't work well with stateless functions yet, so don't enforce this
    'react/prefer-stateless-function': 'off',
    'react/no-unescaped-entities': 'off',
    'react/sort-comp': ['warn', { order: [
      'static-methods',
      'lifecycle',
      'everything-else',
      'render'
    ] }],
    'react-native/no-color-literals': 'warn'
  }
}