init cf worker code

test/webstream.mjs

@@ -0,0 +1,73 @@
+let isCancel = false;
+const readableStream = new ReadableStream({
+  start(controller) {
+    let count = 0;
+    controller.enqueue(`Chunk ${count}`);
+    count++;
+    controller.enqueue(`Chunk ${count}`);
+
+    // controller.error(new Error('uuid is not valid'));
+    // setTimeout(() => {
+    //     console.log('ReadableStream was closed------valid22-------.');
+    //     controller.error(new Error('uuid is not valid22'));
+    // }, 1000);
+
+    // const intervalId = setInterval(() => {
+    //     if(!isCancel){
+    //   controller.enqueue(`Chunk ${count}`);
+    //     }
+    // // controller.enqueue(`Chunk ${count}`);
+    //   count++;
+    //   if (count > 5) {
+    //     console.log('ReadableStream was closed-------------.');
+    //     // controller.close()
+    //     controller.error(new Error('uuid is not valid'));
+    //     // clearInterval(intervalId);
+    //   }
+    // }, 1000);
+  },
+  async pull(controller) {
+    console.log('ReadableStream Pulling data...');
+    // await new Promise((resolve) => setTimeout(resolve, 2000));
+  },
+  cancel() {
+    isCancel = true;
+    console.log('ReadableStream was canceled.');
+  },
+});
+
+const writableStream = new WritableStream({
+  write(chunk, controller) {
+    console.log(`Received data: ${chunk}`);
+    if(chunk === 'Chunk 1'){
+    controller.error('eroorooororo')
+    return;
+    }
+    // throw new Error('uuid is not valid');
+
+    // setTimeout( ()=>{
+    //   try {
+    //     throw new Error('setTimeout hasve error valid');
+    //   }catch(error){
+    //     console.log('////setTimeout hasve error valid');
+    //   }
+     
+    // }, 2000)
+
+    // controller.error(new Error('Received error'));
+    if(chunk === 'Chunk 3'){
+        throw new Error('uuid is not valid');
+    }
+  },
+  close() {
+    console.log('WritableStream was closed');
+  },
+  abort() {
+    console.log('WritableStream was aborted');
+    }
+});
+
+readableStream.pipeTo(writableStream).catch((err) => {
+  console.log('-----------------------error-------------------');
+  console.log(err);
+});