Created
August 12, 2025 00:54
-
-
Save rewbs/6a962f0ec57a1b7d2f28866590362e75 to your computer and use it in GitHub Desktop.
Privy refresh hook
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 'use client'; | |
| import { useEffect, useRef } from 'react'; | |
| import { getAccessToken } from '@privy-io/react-auth'; | |
| export function usePrivyBackgroundRefresh() { | |
| const timer = useRef<number | null>(null); | |
| const backoffMs = useRef(0); // grows on error, resets on success | |
| useEffect(() => { | |
| let cancelled = false; | |
| const clearTimer = () => { | |
| if (timer.current) { | |
| window.clearTimeout(timer.current); | |
| timer.current = null; | |
| } | |
| }; | |
| const schedule = (ms: number) => { | |
| clearTimer(); | |
| // If tab is hidden, wait until it's visible again before scheduling | |
| if (document.visibilityState === 'hidden') { | |
| const onVis = () => { | |
| if (document.visibilityState === 'visible') { | |
| document.removeEventListener('visibilitychange', onVis); | |
| schedule(ms); | |
| } | |
| }; | |
| document.addEventListener('visibilitychange', onVis, { once: true }); | |
| return; | |
| } | |
| timer.current = window.setTimeout(() => { void tick(); }, ms); | |
| }; | |
| const tick = async () => { | |
| try { | |
| console.log("Refreshing Privy access token in background"); | |
| await getAccessToken(); | |
| backoffMs.current = 0; // reset backoff on success | |
| } catch { | |
| backoffMs.current = Math.min((backoffMs.current || 0) + 5_000, 60_000); | |
| } finally { | |
| if (!cancelled) schedule((backoffMs.current || 0) + 3 * 60 * 1000); | |
| } | |
| }; | |
| const onVisible = () => { | |
| if (document.visibilityState === 'visible') void tick(); | |
| }; | |
| void tick(); // kick once on mount | |
| document.addEventListener('visibilitychange', onVisible); | |
| const onPageHide = () => clearTimer(); | |
| window.addEventListener('pagehide', onPageHide); | |
| return () => { | |
| cancelled = true; | |
| clearTimer(); | |
| document.removeEventListener('visibilitychange', onVisible); | |
| window.removeEventListener('pagehide', onPageHide); | |
| }; | |
| }, []); | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment