init

hbuilder_app/common/sync.js

@@ -0,0 +1,52 @@
+export class SyncClient {
+  constructor({ onEvent, onError }) {
+    this.socket = null
+    this.onEvent = onEvent
+    this.onError = onError
+  }
+
+  connect(baseUrl, roomCode, deviceId) {
+    this.close()
+    const wsBase = baseUrl.replace(/\/$/, '').replace('http://', 'ws://').replace('https://', 'wss://')
+    this.socket = uni.connectSocket({
+      url: `${wsBase}/ws?roomCode=${encodeURIComponent(roomCode)}&deviceId=${encodeURIComponent(deviceId)}`,
+      complete: () => {}
+    })
+    this.socket.onMessage((message) => {
+      const data = JSON.parse(message.data)
+      this.onEvent(data.type, data.payload || {})
+    })
+    this.socket.onError((err) => this.onError(JSON.stringify(err)))
+    this.socket.onClose(() => this.onError('websocket closed'))
+  }
+
+  close() {
+    if (this.socket) {
+      this.socket.close({})
+      this.socket = null
+    }
+  }
+
+  setSource(source) {
+    this.send('setSource', source)
+  }
+
+  play(positionMs) {
+    this.send('play', { positionMs })
+  }
+
+  pause(positionMs) {
+    this.send('pause', { positionMs })
+  }
+
+  syncToLive() {
+    this.send('syncToLive', { state: 'playing', positionMs: 0, targetLatencyMs: 3000 })
+  }
+
+  send(type, payload) {
+    if (!this.socket) return
+    this.socket.send({
+      data: JSON.stringify({ type, payload })
+    })
+  }
+}