Fix JavaScript syntax

aleksis/apps/paweljong/frontend/components/event/Checkpoint.vue

@@ -24,7 +24,7 @@
   export default {
     data () {
       return {
-        comment: "",
+        comment: ""
       }
     },
 
@@ -51,30 +51,33 @@
       },
       startScan() {
         try {
-          const ndef = NDEFReader();
-            ndef.scan().then(() => {
-              ndef.addEventListener("readingerror", () => {
+          const ndef = new NDEFReader();
+          ndef.scan().then(() => {
+            ndef.addEventListener("readingerror", () => {
 
-              });
-              ndef.addEventListener("reading", (message, uid) {
-                for (const record of message.records) {
-                  if (record.recordType !== "url") {
-                    continue;
-                  }
-                  const decoder = new TextDecoder();
-                  const url = decoder.decode(record.data);
-                  // FIXME use configured base URL here
-                  if (!url.startsWith("https://ticdesk.teckids.org/o/")) {
-                    continue;
-                  }
-                  fetch(url).then((res => res.json()).then((data) => {
-                    this.checkIn(data.id);
-                  });
+            });
+            ndef.addEventListener("reading", (e) => {
+              const message = e.message;
+              for (const record of message.records) {
+                if (record.recordType !== "url") {
+                  continue;
                 }
-              });
-            }
-          }
+                const decoder = new TextDecoder();
+                const url = decoder.decode(record.data);
+                // FIXME use configured base URL here
+                if (!url.startsWith("https://ticdesk.teckids.org/o/")) {
+                  continue;
+                }
+                fetch(url).then((res) => res.json()).then((data) => {
+                  this.checkIn(data.id);
+                });
+              }
+            });
+          });
+       } catch {
+          console.log("Error");
         }
+      }
     },
   }
 </script>