test bun stream sse and http-stream

demo/bun/src/index.ts

@@ -0,0 +1,38 @@
+const server = Bun.serve({
+  port: 5002,
+  fetch(request: Bun.BunRequest, server) {
+    const url = new URL(request.url);
+
+    if (url.pathname === '/stream') {
+      // 直接使用 Bun 的原生 ReadableStream
+      const readable = new ReadableStream({
+        async start(controller) {
+          for (let i = 1; i <= 10; i++) {
+            // 检查客户端是否断开
+            if (request.signal.aborted) {
+              console.log('客户端已断开');
+              controller.close();
+              return;
+            }
+
+            controller.enqueue(`${new Date().toISOString()} 第 ${i} 批数据\n`);
+            await new Promise(r => setTimeout(r, 100)); // 模拟延迟
+          }
+          controller.close();
+        }
+      });
+      request.signal.addEventListener('abort', () => {
+        console.log('Request aborted by client');
+      });
+      return new Response(readable, {
+        status: 200,
+        headers: {
+          'Content-Type': 'text/plain',
+          'Transfer-Encoding': 'chunked'
+        }
+      });
+    }
+
+    return new Response('Not Found', { status: 404 });
+  }
+});