重构 async

examples/js_ws_event/.pages.yaml

@@ -1,7 +1,4 @@
 routes:
-  - path: "sender"
-    js:
-      exec: "sender.js"
   - path: "event"
     js:
       exec: "event.js"

examples/js_ws_event/event.js

@@ -1,23 +1,28 @@
-let name=request.getQuery("name")
-if (name===""){
-    throw Error(`Missing name "${name}"`)
+const name = (await request.getQuery("name"))?.trim();
+
+if (!name) {
+    throw new Error(`Missing or empty name parameter`);
 }
-let ws = websocket();
-event.subscribe("messages").on(function (msg){
-    ws.writeText(msg)
-})
-let shouldExit = false;
-while (!shouldExit) {
-    let data = ws.readText();
-    switch (data) {
-        case "exit":
-            shouldExit = true;
-            break;
-        default:
-            event.put("messages",JSON.stringify({
-                name:name,
-                data:data
+
+const ws = websocket();
+
+try {
+    // 事件处理
+    event.subscribe("messages").on((msg) => {
+        ws.writeText(msg);
+    });
+
+    // 主循环
+    for await (const data of ws.readText()) {
+        if (data === "exit") break;
+
+        if (data?.trim()) {
+            await event.put("messages", JSON.stringify({
+                name,
+                data: data.trim()
             }));
-            break;
+        }
     }
+} finally {
+    ws.close();
 }

examples/js_ws_event/sender.js

@@ -1,8 +0,0 @@
-let name=request.getQuery("name")
-let message=request.getQuery("data")
-event.put("messages", JSON.stringify({
-    name:name,
-    data:message
-}));
-
-// response.write(event.subscribe("messages").get())