feature：增加指令队列

devices/QueueManager.js

@@ -0,0 +1,70 @@
+// utils/queueManager.js
+
+class QueueManager {
+    constructor() {
+        this._tasks = [];
+        this._listenMap = {};
+        this._timer = null;
+        this._interval = 60;
+    }
+
+    static get instance() {
+        if (!QueueManager._instance) {
+            QueueManager._instance = new QueueManager();
+        }
+        return QueueManager._instance;
+    }
+
+    addTask(task) {
+        console.log(`QueueManager======addTask======${task}`);
+        this._tasks.unshift(task);
+        // mqttAddDebugCmd(`指令进队列：${task.toString()}, 数量：${this._tasks.length}`);
+    }
+
+    listenTask(callback) {
+        // console.log(`QueueManager======listenTask======${callback.name || 'anonymous'}`);
+        // this._listenMap[callback.name || 'anonymous'] = callback;
+
+        if (!this._timer) {
+            this._timer = setInterval(() => {
+                if (this._tasks.length === 0) {
+                    // console.log('QueueManager======execute======list empty');
+                    return;
+                }
+
+                const last = this._tasks.pop();
+                if (callback) {
+                    callback(last);
+                }
+                // Object.keys(this._listenMap).forEach(key => {
+                //     const value = this._listenMap[key];
+                //     if (last.constructor.name === key || key === 'dynamic') {
+                //         console.log(`QueueManager======listenTask======forEach===callback`);
+                //         value(last);
+                //     }
+                // });
+
+                // 不管有没有订阅，都移除掉
+            }, this._interval);
+        }
+    }
+
+    clear() {
+        console.log('QueueManager======clear======');
+        if (this._tasks.length > 0) {
+            this._tasks.length = 0;
+        }
+    }
+
+    dispose() {
+        console.log('QueueManager======dispose======');
+        this.clear();
+        if (this._timer) {
+            clearInterval(this._timer);
+            this._timer = null;
+        }
+        this._listenMap = {};
+    }
+}
+
+module.exports = QueueManager;