react_ujs/react_ujs/src/events/native.js

Rails UJS for the react-rails gem

module.exports = {
  // Attach handlers to browser events to mount
  // (There are no unmount handlers since the page is destroyed on navigation)
  setup: function(ujs) {
    if ('addEventListener' in window) {
      ujs.handleEvent('DOMContentLoaded', ujs.handleMount);
    } else {
      // add support to IE8 without jQuery
      ujs.handleEvent('onload', ujs.handleMount);
    }
  },

  teardown: function(ujs) {
    ujs.removeEvent('DOMContentLoaded', ujs.handleMount);
    ujs.removeEvent('onload', ujs.handleMount);
  }
}