Magento 2. Medium post snippet

messages.phtml

<div data-bind="scope: 'messages'">
  <div data-bind="visible: isVisible(), click: removeAll">
    <!-- ko if: cookieMessages && cookieMessages.length > 0 -->
    <div role="alert" data-bind="foreach: { data: cookieMessages, as: 'message' }" class="messages">
      <div data-bind="attr: {
            class: 'message-' + message.type + ' ' + message.type + ' message',
            'data-ui-id': 'message-' + message.type
        }">
        <div data-bind="html: message.text"></div>
      </div>
    </div>
    <!-- /ko -->
    <!-- ko if: messages().messages && messages().messages.length > 0 -->
    <div role="alert" data-bind="foreach: { data: messages().messages, as: 'message' }" class="messages">
      <div data-bind="attr: {
            class: 'message-' + message.type + ' ' + message.type + ' message',
            'data-ui-id': 'message-' + message.type
        }">
        <div data-bind="html: message.text"></div>
      </div>
    </div>
    <!-- /ko -->
  </div>
</div>
<script type="text/x-magento-init">
  { "*": { "Magento_Ui/js/core/app": { "components": { "messages": { "component": "Magento_Theme/js/view/messages" } } } } }
</script>