https://hackorum.dev/assets/controllers/visited_topics-999e77ee.js

1const STORAGE_KEY = "hackorum:visited-topics"
2const LIMIT = 50
3
4export function all() {
5  try {
6    const raw = window.sessionStorage.getItem(STORAGE_KEY)
7    if (!raw) return []
8    const parsed = JSON.parse(raw)
9    return Array.isArray(parsed) ? parsed.filter(id => Number.isInteger(id)) : []
10  } catch (e) {
11    console.warn("visited topics read failed", e)
12    return []
13  }
14}
15
16export function remember(id) {
17  if (!Number.isInteger(id) || id <= 0) return
18
19  try {
20    const kept = all().filter(existing => existing !== id)
21    kept.push(id)
22    window.sessionStorage.setItem(STORAGE_KEY, JSON.stringify(kept.slice(-LIMIT)))
23  } catch (e) {
24    console.warn("visited topics write failed", e)
25  }
26}