meteor__simple-todos-react/simple-todos-react.jsx

// Define a collection to hold our tasks.
Tasks = new Mongo.Collection('tasks');

if (Meteor.isClient) {
  // This code is executed on the client only.
  Accounts.ui.config({
    passwordSignupFields: "USERNAME_ONLY"
  });

  Meteor.startup(function () {
    // Use this branch to render the component after the page is ready.
    ReactDOM.render(<App />, document.getElementById('render-target'));
  });
}