начало чата

client/app/composables/use-chat.ts

@@ -0,0 +1,55 @@
+import { createGlobalState } from '@vueuse/core'
+
+export interface ChatClientMessage {
+  text: string
+  replyTo?: {
+    messageId: string
+  }
+}
+
+export interface ChatMessage {
+  id: string
+  sender: string
+  text: string
+  createdAt: string
+  replyTo?: {
+    messageId: string
+    sender: string
+    text: string
+  }
+}
+
+export const useChat = createGlobalState(() => {
+  const signaling = useSignaling()
+  const { emit } = useEventBus()
+
+  const messages = shallowRef<ChatMessage[]>([])
+
+  watch(signaling.socket, (socket) => {
+    if (!socket)
+      return
+
+    socket.on('chat:new-message', (message: ChatMessage) => {
+      messages.value.push(message)
+      triggerRef(messages)
+
+      emit('chat:new-message')
+    })
+
+    socket.on('disconnect', () => {
+      messages.value = []
+    })
+  }, { immediate: true })
+
+  function sendMessage(message: ChatClientMessage) {
+    if (!signaling.connected.value)
+      return
+
+    signaling.socket.value!.emit('chat:message', message)
+  }
+
+  return {
+    messages,
+    sendMessage,
+  }
+})