baozaotumao2025
25 lines
1.0 KiB
TypeScript
25 lines
1.0 KiB
TypeScript
const key = 'safety-last-activity-at'
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const throttleMs = 30_000
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export const activity = {
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get: () => Number(localStorage.getItem(key) || 0),
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record(force = false) {
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const now = Date.now()
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if (force || now - this.get() >= throttleMs) localStorage.setItem(key, String(now))
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},
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clear: () => localStorage.removeItem(key),
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start(checkRefresh: () => void) {
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const onActivity = () => { this.record(); checkRefresh() }
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const onVisible = () => { if (document.visibilityState === 'visible') checkRefresh() }
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const events = ['click', 'keydown', 'touchstart'] as const
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events.forEach((event) => window.addEventListener(event, onActivity, { passive: true }))
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window.addEventListener('popstate', onActivity)
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document.addEventListener('visibilitychange', onVisible)
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return () => {
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events.forEach((event) => window.removeEventListener(event, onActivity))
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window.removeEventListener('popstate', onActivity)
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document.removeEventListener('visibilitychange', onVisible)
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}
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},
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}
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