agent_coder
e9e4c1028d
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>
React + TypeScript + Vite
This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
Currently, two official plugins are available:
- @vitejs/plugin-react uses Babel for Fast Refresh
- @vitejs/plugin-react-swc uses SWC for Fast Refresh
Expanding the ESLint configuration
If you are developing a production application, we recommend updating the configuration to enable type aware lint rules:
- Configure the top-level
parserOptionsproperty like this:
parserOptions: {
ecmaVersion: 'latest',
sourceType: 'module',
project: ['./tsconfig.json', './tsconfig.node.json'],
tsconfigRootDir: __dirname,
},
- Replace
plugin:@typescript-eslint/recommendedtoplugin:@typescript-eslint/recommended-type-checkedorplugin:@typescript-eslint/strict-type-checked - Optionally add
plugin:@typescript-eslint/stylistic-type-checked - Install eslint-plugin-react and add
plugin:react/recommended&plugin:react/jsx-runtimeto theextendslist