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fix(home): rotate popular threads across the most active boards - #1263
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The box revealed as soon as eight boards had loaded, and the hooks library hydrates boards in public-key order, so every visit showed the same eight boards and the shuffle only reordered them. It also gave a board with one months-old thread the same chance as the busiest boards. It now waits for the boards, ranks each board's best thread by the existing popularity score, and samples eight from the top sixteen on each page load; once eight threads are available it stops waiting for boards still loading after 8 s.
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Check name Status Explanation Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title accurately and clearly summarizes the main change: rotating popular threads selected from the most active boards on the home page. Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request.
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @src/hooks/use-popular-posts.ts:
- Around line 78-103: Update getBoardTopThreads to group entries by board
address before selecting threads, using a Map keyed by boardAddress and merging
each duplicate address’s eligible threads. Sort each merged thread list by
score, then rank the grouped lists as before so each unique address contributes
at most one top thread.
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📒 Files selected for processing: 2
src/hooks/__tests__/use-popular-posts.test.tsxsrc/hooks/use-popular-posts.ts
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Directories dedupe by public key, so an address listed twice reached the ranking twice and the board could contribute its second-best thread too. Repeated addresses are now skipped.
1 participant
The Popular Threads box showed the same eight threads on every refresh, only reordered.
It revealed as soon as eight boards had loaded.
useCommunitieshydrates boards in sorted key order, and cached boards come back from IndexedDB in that order, so the first eight to arrive were always the same boards (on a warm reload: /wsg/, /o/, /n/, /vst/, /qst/, /xs/, /mlp/, /sci/). The per-load shuffle only changed which of those came first. Each board also had an equal chance, so boards whose best thread had no replies for months (/vmg/, /w/) could appear while /g/ and /v/ were left out.Changes
Trade-off: the box now appears when the boards have loaded rather than after the first eight, at about 3.6 s on a warm reload (0.9 s before) and 4.2–4.5 s on a cold one, measured unthrottled on a fast Mac. The loading state already reserves the box's space. Most of the warm time is the hooks library hydrating 53 cached boards (~55 ms each), which is being looked at separately in bitsocial-react-hooks.
Verification
use-popular-posts.test.tsx(waits for still-loading boards instead of the first eight, samples only the top of the ranking in popularity order, stops waiting for a slow board once the box can be filled) fail on master and pass here; all 33 tests in the hook and home view suites pass.yarn lint(including module boundaries),yarn type-checkandoxfmtpass;yarn doctor:checkreports nothing in the changed files.Summary by CodeRabbit