Fix 0.3.2-beta migration script

server/src/migrations/0.3.2-beta.ts

@@ -12,19 +12,25 @@ export async function convertPanelUrlToPanelId() {
 
   const panelUrlRegex = /^(.+)\/d\/(\w+)\/.+panelId=(\d+)/;
   const newPanelUrlRegex = /^(.+)\/dashboard\/(\w+).+panelId=(\d+)/;
-  const updatedAnalyticUnits = analyticUnits.map(analyticUnit => {
-    const parsedPanelUrl = analyticUnit.panelUrl.match(panelUrlRegex) || analyticUnit.panelUrl.match(newPanelUrlRegex);
-    const grafanaUrl = parsedPanelUrl[1];
-    const dashboardId = parsedPanelUrl[2];
-    const oldPanelId = parsedPanelUrl[3];
-    const panelId = `${dashboardId}/${oldPanelId}`;
+  const updatedAnalyticUnits = analyticUnits
+    .map(analyticUnit => {
+      const parsedPanelUrl = analyticUnit.panelUrl.match(panelUrlRegex) || analyticUnit.panelUrl.match(newPanelUrlRegex);
+      if(parsedPanelUrl === null) {
+        console.log(`Cannot parse url: ${analyticUnit.panelUrl}`);
+        return null;
+      }
+      const grafanaUrl = parsedPanelUrl[1];
+      const dashboardId = parsedPanelUrl[2];
+      const oldPanelId = parsedPanelUrl[3];
+      const panelId = `${dashboardId}/${oldPanelId}`;
 
-    return {
-      _id: analyticUnit._id,
-      grafanaUrl,
-      panelId
-    };
-  });
+      return {
+        _id: analyticUnit._id,
+        grafanaUrl,
+        panelId
+      };
+    })
+    .filter(analyticUnit => analyticUnit !== null);
   
   console.log(updatedAnalyticUnits);
   await updatedAnalyticUnits.forEach(analyticUnit => db.updateOne(analyticUnit._id, {