oliversisson

  setMessageStatus(uniqueId, status) {
    return this.state.messages.map(function(message) {
      if (message.uniqueId !== uniqueId) {
        return message;
      }
      return Object.assign({}, message, {status});
    });
  }

oliversisson

(function() {
  var currentScroll = window.scrollY;
  var currentlyScrolling = false;

  var runOnScroll =  function(evt) {
    if (currentlyScrolling) {
      // preventDefault doesn't seem to work
      window.scrollTo(window.X, currentScroll);
    } 
  };