Update index.js

web-nfc/index.js

@@ -1,20 +1,39 @@
-scanButton.addEventListener("click", async () => {
+  scanButton.addEventListener("click", async () => {
   log("User clicked scan button");
-
   try {
     const ndef = new NDEFReader();
     await ndef.scan();
     log("> Scan started");
-
     ndef.addEventListener("readingerror", () => {
       log("Argh! Cannot read data from the NFC tag. Try another one?");
     });
-
     ndef.addEventListener("reading", ({ message, serialNumber }) => {
       log(`> Serial Number: ${serialNumber}`);
-      log(`> Records: (${message.records.length})`);
-    });
-  } catch (error) {
+      log(`> Records: (${message.records.length})`);    
+      for (const record of message.records) {
+          log(`\nRecord id: ${record.id}`);
+          log(`Record type: ${record.recordType}`);
+          log(`MIME type: ${record.mediaType}`);          
+          switch (record.recordType) {
+            case "text":
+              {
+                const textDecoder = new TextDecoder(record.encoding);
+                log(`Text: ${textDecoder.decode(record.data)} (${record.lang})`);
+              }
+              break;
+            case "url":
+              {
+                const textDecoder = new TextDecoder();
+                log(`URL: ${textDecoder.decode(record.data)}`);
+              }
+              break;
+            default:
+              // TODO: Handle other records with record data.
+            }
+          }
+         }
+       });
+      } catch (error) {
     log("Argh! " + error);
   }
 });