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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 | 1x 1x 1x 1x 2x 2x 2x 2x 2x 2x 2x 4x 4x 4x 1x 1x 4x 3x 3x 3x 1x 1x 1x 3x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 3x 1x 1x 1x 1x 3x 4x 2x 2x 2x 2x 2x 2x 4x 1x 1x 4x 2x 2x 2x 2x 2x 2x 2x 2x | import { useEffect, useRef } from "react";
import { useQueryClient } from "@tanstack/react-query";
import { websocketUrl } from "../api";
import type { WebEvent } from "../types";
const INITIAL_DELAY = 1000;
const MAX_DELAY = 30000;
export function useTaskEvents(): void {
const client = useQueryClient();
const retryDelay = useRef(INITIAL_DELAY);
useEffect(() => {
let socket: WebSocket | null = null;
let retryTimer: ReturnType<typeof setTimeout> | null = null;
let disposed = false;
function connect() {
if (disposed) return;
socket = new WebSocket(websocketUrl("/api/events/app"));
socket.onopen = () => {
retryDelay.current = INITIAL_DELAY;
};
socket.onmessage = (message) => {
if (typeof message.data !== "string") {
return;
}
const event = JSON.parse(message.data) as WebEvent;
if (event.type === "task_updated" || event.type === "task_deleted") {
void client.invalidateQueries({ queryKey: ["tasks"] });
return;
}
if (event.type === "board_stages_updated") {
void client.invalidateQueries({ queryKey: ["board-stages"] });
void client.invalidateQueries({ queryKey: ["tasks"] });
void client.invalidateQueries({ queryKey: ["bootstrap"] });
return;
}
if (
event.type === "live_session_started"
|| event.type === "live_session_updated"
|| event.type === "live_session_bound"
|| event.type === "live_session_ended"
) {
void client.invalidateQueries({ queryKey: ["sessions"] });
void client.invalidateQueries({ queryKey: ["bootstrap"] });
void client.invalidateQueries({ queryKey: ["live-sessions"] });
}
};
socket.onclose = () => {
if (disposed) return;
retryTimer = setTimeout(() => {
retryDelay.current = Math.min(retryDelay.current * 2, MAX_DELAY);
connect();
}, retryDelay.current);
};
socket.onerror = () => {
socket?.close();
};
}
connect();
return () => {
disposed = true;
if (retryTimer) clearTimeout(retryTimer);
socket?.close();
};
}, [client]);
}
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