only do grouping once on service start

Author: Niels V

app.js

@@ -17,6 +17,17 @@ import {
 if( process.env["LOG_SERVER_CONFIGURATION"] )
   console.log(JSON.stringify( services ));
 
+const groupedServices = services.reduce((acc, service) => {
+  // Create a unique key for the match pattern
+  const matchKey = `${normalizeObject(service.match)}${service.options.sendMatchesOnly || false}`;
+  if (!acc[matchKey]) {
+    acc[matchKey] = [];
+  }
+  acc[matchKey].push(service);
+  return acc;
+}, {});
+
+
 app.get( '/', function( req, res ) {
   res.status(200);
   res.send("Hello, delta notification is running");
@@ -75,17 +86,8 @@ function filterChangesestOnPattern(changeSets, entry) {
   return filteredChangesets;
 }
 
-async function informWatchers( changeSets, res, muCallIdTrail, muSessionId ){
-  const groupedServices = services.reduce((acc, service) => {
-    // Create a unique key for the match pattern
-    const matchKey = `${normalizeObject(service.match)}${service.options.sendMatchesOnly || false}`;
-    if (!acc[matchKey]) {
-      acc[matchKey] = [];
-    }
-    acc[matchKey].push(service);
-    return acc;
-  }, {});
 
+async function informWatchers( changeSets, res, muCallIdTrail, muSessionId ){
   // Iterate over each unique match pattern
   for (const matchKey in groupedServices) {
     const firstEntry = groupedServices[matchKey][0];