created scripts

web/js-ts/serial.js

@@ -0,0 +1,7 @@
+let port;
+
+function setup() {
+    port = createSerial();
+    port.open(9600);
+
+}

web/js-ts/serial.ts

@@ -0,0 +1,47 @@
+async function connect(){
+    
+const port = await navigator.serial.requestPort();
+// - Wait for the port to open.
+await port.open({ baudRate: 9600 });
+
+let decoder = new TextDecoderStream();
+const inputDone = port.readable.pipeTo(decoder.writable);
+const inputStream = decoder.readable;
+let reader = inputStream.getReader();
+const encoder = new TextEncoderStream();
+const outputDone = encoder.readable.pipeTo(port.writable);
+const outputStream = encoder.writable;
+await readLoop();
+
+}
+
+async function clickConnect(){
+// CODELAB: Add connect code here.
+await connect();
+}
+
+async function readLoop(){
+    // CODELAB: Add read loop here.
+while (true) {
+    const { value, done } = await reader.read();
+    if (value) {
+      log.textContent += value + '\n';
+    }
+    if (done) {
+      console.log('[readLoop] DONE', done);
+      reader.releaseLock();
+      break;
+    }
+  }
+}
+
+await function writeToStream(){
+
+    // CODELAB: Write to output stream
+const writer = outputStream.getWriter();
+lines.forEach((line) => {
+  console.log('[SEND]', line);
+  writer.write(line + '\n');
+});
+writer.releaseLock();
+}