47 lines
1.3 KiB
JavaScript
47 lines
1.3 KiB
JavaScript
const comments = JSON.parse(localStorage.getItem("comment-counts")) || {}
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let pid
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let pcc
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for (let twoattrs of document.getElementsByClassName("twoattrs")) {
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twoattrs = twoattrs.value.split(',')
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pid = twoattrs[0]
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pcc = twoattrs[1]
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const lastCount = comments[pid]
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if (lastCount) {
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const title = document.getElementById(`${pid}-title`)
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if (title) title.classList.add('visited')
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const newComments = pcc - lastCount.c
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if (newComments > 0) {
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const elems = document.getElementsByClassName(`${pid}-new-comments`)
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for (const elem of elems)
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{
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elem.textContent = ` (+${newComments})`
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elem.classList.remove("d-none")
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}
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}
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}
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}
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const LAST_CACHE_CLEAN_ID = "last-cache-clean"
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const EXPIRE_INTERVAL_MILLIS = 5 * 24 * 60 * 60 * 1000
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const CACHE_CLEAN_INTERVAL = 60 * 60 * 1000
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function cleanCache() {
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const lastCacheClean = JSON.parse(localStorage.getItem(LAST_CACHE_CLEAN_ID)) || Date.now()
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const now = Date.now()
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if (now - lastCacheClean > CACHE_CLEAN_INTERVAL) {
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const comments = JSON.parse(localStorage.getItem("comment-counts")) || {}
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for (let [key, value] of Object.entries(comments)) {
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if (now - value.t > EXPIRE_INTERVAL_MILLIS) {
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delete comments[key]
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}
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}
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localStorage.setItem("comment-counts", JSON.stringify(comments))
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}
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localStorage.setItem(LAST_CACHE_CLEAN_ID, JSON.stringify(now))
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}
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setTimeout(cleanCache, 500)
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