The editor lagged while typing (worse with doc size, and under collaboration the
same cost is paid for every REMOTE keystroke). ProseMirror itself was fine — the
overhead was the surrounding work done on every transaction. Behavior is 1:1;
only WHEN work runs changed.
- getJSON() off the keystroke path: `onUpdate` no longer serializes the whole doc
synchronously — the serialization now runs inside a 3s debounce (new hook
use-page-content-cache.ts), flushed on unmount so the last snapshot isn't lost.
- footnote numbering: merged 3 per-docChanged O(n) doc walks into one, and
short-circuit the whole-doc renumber when the doc has no footnotes and the
transaction didn't insert one (step-slice scan — covers typing/paste/collab).
- toolbar: replaced per-keystroke `editor.can().undo()/.redo()` dry-runs with
cheap history-depth reads (Yjs undoManager stack length / pm-history depth).
- render side-effect bug: `remote.attach()` moved out of the render body into a
useEffect.
- debounced the TOC all-headings rescan and memoized the slash-command suggestion
build (was rebuilt twice per keystroke).
- node menus (image/video/audio/pdf/callout/subpages): the per-transaction
selectors early-return a cheap isActive check instead of running getAttributes +
multiple alignment probes while their node type is inactive (shouldShow still
controls display — appears exactly when it did).
- code blocks: the global selectionUpdate listener is now added only for mermaid
blocks (the only consumer of the selected state), eliminating N listeners +
N setStates per caret move for normal code blocks.
Deferred (documented, collab hot-path risk): full conditional menu MOUNTING
(menu-less-frame risk on same-tx context switch) and code-block re-tokenization
debounce / language-persist (self-dispatching meta tx + node-attr writes interact
with collab/undo). The route split from #342 already keeps lowlight off startup.
Gate: editor-ext build + 252/252 tests, client editor tests pass, tsc --noEmit 0,
client build ok. New tests: footnote no-footnote-doc → 0 traversals + numbering
unchanged; page-content-cache onUpdate-no-sync-getJSON + flush-on-unmount.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
- Extract buildSubtree/mapSharedNodes/countNodes/SubpageNode into
subpages-view.utils.ts with a unit test (subpages-view.utils.test.ts)
covering nesting, position order, missing/unreachable parent, self-parent
guard, empty input, countNodes and mapSharedNodes remap.
- Replace the manual useState + editor.on("transaction") subscription in
subpages-menu.tsx with useEditorState (the idiom the sibling bubble menus
use), so the mode icon/tooltip track the live recursive attribute without
re-rendering on every keystroke.
- i18n: add the 6 menu/tree strings and a pluralized
"Showing {{count}} subpages" key to en-US and ru-RU.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
The `subpages` node showed only one level of direct children. Add a `recursive`
attribute that renders the FULL descendant tree of the current page — fully
expanded, unlimited depth. Default `false`, so every previously-inserted node
stays flat (backward compatible). No backend changes: `POST /pages/tree` (via the
`getSpaceTree` wrapper) already returns the whole subtree as a flat `IPage[]`
(recursive CTE, permission-filtered); the nested tree is built on the client by
`parentPageId`.
- editor-ext `subpages.ts`: `recursive` attribute (parse/render `data-recursive`),
shared by client + server so the collab ProseMirror schema keeps the attribute.
- `getSpaceTree`: arg loosened to `{ spaceId?; pageId? }` (the endpoint accepts
either); new `useGetPageTreeQuery(pageId)` react-query hook.
- `subpages-view.tsx`: split into `FlatSubpages` (unchanged) and
`RecursiveSubpages`; `buildSubtree` assembles the nested tree (cycle/self-parent
guard, `sortPositionKeys` per level, root excluded) and a recursive `TreeNode`
renders it (16px indent per depth, soft "showing N" note past 300 — data never
capped). Shared/public context reads the already-nested shared tree, no
`/pages/tree` request.
- toggles: bubble-menu flat⇄tree button + a second slash-menu item "Page tree".
Review follow-ups folded in: invalidate `["page-tree"]` from the create / update /
move / delete cache helpers so an open recursive tree refreshes (no stale data);
mode icon made reactive on editor transactions; `t` threaded into `TreeNode`
(no per-node useTranslation); shared-subtree hook deduped to a thin alias.
editor-ext build + client `tsc --noEmit` both clean. Backend untouched.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
agent_coder
claude code agent 227
Philip Okugbe