Simplify fetching related MRs via API

source/javascripts/hackathon.js

@@ -20,35 +20,15 @@ function setupHackathonCountdown() {
 var hackathonIssueID = '14';
 var apiHost = 'https://gitlab.com/api/v4';
 var gitlabProjectID = '9821951';
-var apiEndpoint = '/projects/' + gitlabProjectID + '/issues/' + hackathonIssueID + '/related_merge_requests';
+var apiEndpoint = '/projects/' + gitlabProjectID
+  + '/issues/' + hackathonIssueID + '/related_merge_requests';
 var apiURL = apiHost + apiEndpoint;
-const limitPerPage = 100;
-
-const getRelatedMRs = async function(pageNo = 1) {
-
-  let apiPaginatedURL = apiURL + `?page=${pageNo}&per_page=${limitPerPage}`;
-  var apiResults = await fetch(apiPaginatedURL)
-                           .then(resp=>{
-                             return resp.json();
-                           });
-  return apiResults;
-}
-
-const getAllRelatedMRs = async function(pageNo = 1) {
-  const results = await getRelatedMRs(pageNo);
-  if (results.length > 0) {
-    return results.concat(await getAllRelatedMRs(pageNo + 1));
-  } else {
-    return results;
-  }
-};
-
-(async ()=>{
-
-    const entireList = await getAllRelatedMRs();
-    var boxMessage = entireList.length + ' MRs submitted '
+fetch(apiURL)
+  .then(function(response) {
+    var totalRelatedMRs = response.headers.get('X-Total');
+    var boxMessage = totalRelatedMRs + ' MRs submitted '
       + ' at the last Hackathon!';
     document.getElementById('hackathonMRCount').innerHTML = boxMessage;
-
-})();
\ No newline at end of file
+  })
+  .catch(error => console.error('Error:', error));