mipmip/index.html

## index.html
<head>
  <link href="https://unpkg.com/netlify-cms/dist/cms.css" rel="stylesheet"/>
</head>
<body>
  <script src="https://unpkg.com/netlify-cms/dist/cms.js"></script>
  <script>

    var PublishControl = createClass({

      handleClick: function(e) {
        console.log('jo');

        var http = new XMLHttpRequest();
        var url = 'https://gitlab.example.com/api/v4/projects/123/trigger/pipeline';
        var params = 'token=xxxxxxxxxxxxxxxxx&ref=master';
        console.log(params);

        http.open('POST', url, true);

        //Send the proper header information along with the request
        http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');

        http.onreadystatechange = function() {//Call a function when the state changes.
          if(http.readyState == 4 && http.status == 201) {
            alert("Publication deployment started. Please check live website after a few minutes.");
            console.log(http.responseText);
          }
          else{
            console.log(http.responseText);
            console.log(http.readyState);
            console.log(http.status);
          }

        }
        http.send(params);

      },
      render: function() {
        var value = this.props.value;
        return h('div', {className: 'nc-controlPane-widget'},
          h('input', { type: 'button', className: 'nc-collectionPage-topNewButton', value: 'publish', onClick: this.handleClick })
        );
      }
    });

    var PublishPreview = createClass({
      render: function() {
        return h('input', { type: 'button', value: 'publish', onClick: this.handleClick });
      }
    });

    CMS.registerWidget('publish', PublishControl, PublishPreview);
  </script>
</body>
	<head>
	<link href="https://unpkg.com/netlify-cms/dist/cms.css" rel="stylesheet"/>
	</head>
	<body>
	<script src="https://unpkg.com/netlify-cms/dist/cms.js"></script>
	<script>

	var PublishControl = createClass({

	handleClick: function(e) {
	console.log('jo');

	var http = new XMLHttpRequest();
	var url = 'https://gitlab.example.com/api/v4/projects/123/trigger/pipeline';
	var params = 'token=xxxxxxxxxxxxxxxxx&ref=master';
	console.log(params);

	http.open('POST', url, true);

	//Send the proper header information along with the request
	http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');

	http.onreadystatechange = function() {//Call a function when the state changes.
	if(http.readyState == 4 && http.status == 201) {
	alert("Publication deployment started. Please check live website after a few minutes.");
	console.log(http.responseText);
	}
	else{
	console.log(http.responseText);
	console.log(http.readyState);
	console.log(http.status);
	}

	}
	http.send(params);

	},
	render: function() {
	var value = this.props.value;
	return h('div', {className: 'nc-controlPane-widget'},
	h('input', { type: 'button', className: 'nc-collectionPage-topNewButton', value: 'publish', onClick: this.handleClick })
	);
	}
	});

	var PublishPreview = createClass({
	render: function() {
	return h('input', { type: 'button', value: 'publish', onClick: this.handleClick });
	}
	});

	CMS.registerWidget('publish', PublishControl, PublishPreview);
	</script>
	</body>