feat(games): Onet Connect tile-matching game - #304
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Clear the board by pairing identical tiles joinable by a line with at most two turns, including routes around the outside of the board — the border rule that makes edge tiles matchable. Pure onet.lib (35 tests): findPath does a BFS over (cell, direction, turns) on a one-cell-padded grid and returns the corner points, so the island can draw the connecting line it just validated. Plus findHint / hasAnyMove (one function, used for both hints and deadlock detection), shuffleBoard that retries until the redeal has a legal move, and board generation that only deals playable openings. Tests pin the tricky cases: 0/1/2-turn routes, blocked rows, the outside-border route, the three-turn refusal, deadlock, and a full board played to completion. Island: emoji tiles, three difficulties, relaxed by default with an optional timed countdown, hint/shuffle, path flash on match, streak scoring, best time per mode in localStorage and useExpand fullscreen. The board is dealt on mount rather than during render — dealing it in the initial state produced a different board on the server than the client and logged React hydration errors. EN + ID SEO.
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| Status | Name | Latest Commit | Updated (UTC) |
|---|---|---|---|
| ✅ Deployment successful! View logs |
goodwebtools | bd85c5a | Aug 21 2026, 02:03 PM |
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Adds Onet Connect (
/tools/onet) — the classic tile-matching puzzle.The rule, done properly. Two identical tiles clear when a line joins them with at most two turns, and the line may travel around the outside of the board through a one-cell margin — the border rule that makes edge tiles matchable and the classic source of "why won't these match?" bugs.
Pure lib
onet.lib.ts(35 tests):findPath— BFS over(cell, direction, turns)on a padded grid, returning the corner points so the island can draw the exact line it just validated.findHint/hasAnyMove— one function serving both hints and deadlock detection.shuffleBoard— redeals in place, retrying until the result has a legal move, so the player is never handed a dead board.createBoard— only deals playable openings; every symbol placed in pairs.Island: emoji tiles, three difficulties, relaxed by default with an optional timed countdown bar, hint + shuffle (small score cost), path flash on match, streak scoring, best time per mode in localStorage,
useExpandfullscreen.Bug caught while verifying: dealing the random board in the initial state made the server render differ from the client → React hydration errors (#425) in production. The board is now dealt on mount; browser smoke test confirms no console errors and a working hint→match→clear cycle.