Files
KnockOutWhist-Frontend/src/composables/useWebsocket.ts
2026-01-20 11:32:05 +01:00

78 lines
1.9 KiB
TypeScript

import { ref, onMounted, onBeforeUnmount, watch } from "vue";
import {
connectWebSocket,
disconnectWebSocket,
sendEvent,
sendEventAndWait,
onEvent,
isWebSocketConnected,
setDefaultHandler,
} from "@/services/ws";
import { useIngame } from "@/composables/useIngame";
function defaultEventHandler<T = any>(data: (data: T) => void) {
setDefaultHandler(data);
}
export function useWebSocket() {
const isConnected = ref(isWebSocketConnected());
const lastMessage = ref<any>(null);
const lastError = ref<string | null>(null);
// Get ingame store to sync connection state
const ig = useIngame();
// Watch the ingame store's connection state and keep this composable in sync
watch(() => ig.isWsConnected, (connected) => {
isConnected.value = connected;
});
// Also update this composable's state when connecting/disconnecting
const updateConnectionState = (connected: boolean) => {
isConnected.value = connected;
};
async function safeConnect(url?: string) {
return connectWebSocket(url)
.then(() => {
updateConnectionState(true);
})
.catch((err) => {
updateConnectionState(false);
lastError.value = err?.message ?? "Unknown WS error";
throw err;
});
}
function useEvent<T = any>(event: string, handler: (data: T) => void) {
const wrapped = (data: T) => {
lastMessage.value = { event, data };
handler(data);
};
onMounted(() => {
console.log("Registering event handler for " + event);
onEvent(event, wrapped);
});
onBeforeUnmount(() => {
console.log("Unregistering event handler for " + event);
onEvent(event, () => {});
});
}
return {
isConnected,
lastMessage,
lastError,
connect: safeConnect,
disconnect: disconnectWebSocket,
send: sendEvent,
sendAndWait: sendEventAndWait,
useEvent,
defaultEventHandler
};
}