step: migrate to vue.js

src/services/mqtt.ts

@@ -0,0 +1,31 @@
+import mqtt from 'mqtt'
+
+const mqttBrokerHost = '91.99.29.8'
+const mqttBrokerPort = 9001
+const mqttBrokerPath = '/mqtt'
+const mqttUseTls = false
+const mqttTopic = 'king-arthur/page/startup'
+const mqttMessage = 'start-hit'
+
+let client: any = null
+
+export function getMqttClient(): any {
+  return client
+}
+
+export function publishStartHit(): void {
+  const protocol = mqttUseTls ? 'wss' : 'ws'
+  const brokerUrl = `${protocol}://${mqttBrokerHost}:${mqttBrokerPort}${mqttBrokerPath}`
+  const tempClient = mqtt.connect(brokerUrl)
+
+  tempClient.on('connect', () => {
+    tempClient.publish(mqttTopic, mqttMessage, { qos: 1 }, () => {
+      tempClient.end()
+    })
+  })
+
+  tempClient.on('error', (error: any) => {
+    console.error('MQTT publish failed:', error)
+    tempClient.end(true)
+  })
+}