Create nfcwarp.js

extensions/nfcwarp.js

@@ -0,0 +1,59 @@
+const blocksIcon = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADQAAAA0CAYAAADFeBvrAAAACXBIWXMAAAsTAAALEwEAmpwYAAADkklEQVR4nNWaz0tVQRTHbxaBUhjhLihBWkWrohaG6zTCMPthRQXmD1AzMDPBnf9CLVw8dFNQWhsrWyRF+Q9Yu35Y7SqTFgW+tPzE0XnxvM68O/Pu+N71u3xvzpnzeWfO3Hl3ThBoBOwA2oHHwCcgTXz9AB4CrUCZYd4KYNxgn1axSExtEqPOR9jhJqAbmGN99Q3oBbZoYtgKvLLw8R24KjGbYMqAsQgns/jVJLBNE0slMG/pYxQo1WUmCkaUAgbwqydAiQbqloOP+6sypZaZjVJqfD9+1akBqnL00ZW9Acy5ACm7Pvzpi9SOBmrawYfUVHmgdjNcgdSEUti+dEYDNOjoozVQazgvIDVpD340qfFd5+jjkRh9jgOkJr4GLBFPv8O7FSu7nYtmAseHphYoa2OJC3Uk5LME+OVgnxYjfACpALpiQt3Q+Hzj4sArkAqgIwbUHY2/qaICqSBagL+464XG19OCAQGHgeMGqCt5QL3X+BkrJFCNOnPVesrUfPiwCYwUGgi1U9YZoJodoXaG7FPFAMo8R+oNUE3AH8s5diUFKArqLLBItKqSBJSBOhEDal/SgEQLOaBOR0AdSCJQVKZy1VR1UoEymWowQJ0yZKomSUBvNb98Lijd8ksU0JCh8AWq0QA1nGigYOXzRg2UZO6cBmgo8UBZUAsaqPPBRgQSAScNUBc2JJANVNKBhrO/t4BqSjrQomzFBqgGA9S7JAOtqZHQ+GMWL2WKClRtGLe8nAxQ9epYlEiggznGCtRFA1RtjkwVFWh/xHiBupQDaj5pQHstbOTv92UHqKIC7ba0k/d07QaooyGoogJVONhKppoNUHVZNVVQoBHNzV/aEaolYvkVFGhUE8iMow9Zfm05lt+hQgJNaIJ4ibuWdNeQBsjUegJNaSa8S34SqI5iA73WTHiT/LX0/7LXI1DaYfxPzbvnqBclNlDdnoDSYvDRMYA9oQlLI85mtur3APQhUL0zLlrzUh54jh/1xAQaD1QjkIsGNZPKHzVf6o0B1JJpvJCmBVtNGxqOvuJPfXkAzS43Xigj6Wpy0aobgqwLY59arikHoM7wEUa6mmx1WwMkV/AT+NWAJdC9NW1mareSriYbyZmrUgO1HXiGX81awKxuLwtlqsuypqYMDUebgeueawqNBFRaCPQNgKGgylUrpbRLyuHT9PCVLb/C4EMaCuXS+IFqz4wriUFikZjE78oGENI/OGAeDDqI5HgAAAAASUVORK5CYII="
+
+class NFCWarp {
+  getInfo() {
+    return {
+      id: 'nfcwarp',
+      name: 'NFCWarp',
+	  color1: '#ff0000',
+      color2: '#800000',
+      color3: '#990033',
+	  docsURI: 'https://docs.turbowarp.org/development/extensions/nfcwarp',
+	  menuIconURI: blocksIcon,
+      blockIconURI: blocksIcon,
+      blocks: [
+	  	{
+		  blockType: Scratch.BlockType.LABEL,
+		  text: "Read"
+		},
+
+        {
+          opcode: 'nfcRead',
+          blockType: Scratch.BlockType.REPORTER,
+          text: 'Read NFC Tag',
+		  disableMonitor: true
+        }
+      ]
+    };
+  }
+
+  nfcRead() {
+    return new Promise((resolve, reject) => {
+      console.log("Approach NFC Tag");
+      const ndef = new NDEFReader();
+      ndef.scan()
+        .then(() => {
+          ndef.onreadingerror = err => {
+            console.log("Read failed");
+            reject(err);
+          };
+          ndef.onreading = evt => {
+            const decoder = new TextDecoder();
+            for (let record of evt.message.records) {
+              console.log("Record type: " + record.recordType);
+              console.log("Record encoding: " + record.encoding);
+              console.log("Record data: " + decoder.decode(record.data));
+              resolve(decoder.decode(record.data));
+			  return;
+            }
+          };
+        })
+        .catch(err => {
+          console.log("Read error - " + err.message);
+          reject(err);
+        });
+    });
+  }
+}
+
+Scratch.extensions.register(new NFCWarp());