feat: expandable diff context in code review#247
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backnotprop merged 3 commits intomainfrom Mar 8, 2026
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Switch from PatchDiff to FileDiff component from @pierre/diffs to enable GitHub-style "show more lines" buttons between hunks. The library handles all expansion UI when provided full file contents via oldLines/newLines. - Add /api/file-content endpoint to serve old/new file content per diff type - Add getFileContentsForDiff() helper with ref mapping for all diff types - Parse patch client-side via getSingularPatch(), augment with file contents - Update @pierre/diffs from 1.0.4 to 1.0.11 (scroll sync fix, no breaking changes) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…tents The previous approach spread file content arrays onto a partial-mode FileDiffMetadata, causing hunk index mismatches and Shiki decoration errors. Now uses processFile() to re-parse the patch with oldFile/newFile so hunk indices are computed against the full file (isPartial: false), which is required for expansion to work correctly. Also fixes a flash error on file switch by tagging fileContents with the filePath they were fetched for, preventing stale contents from being paired with the wrong patch during the render before useEffect fires. - Upgrade @pierre/diffs from ^1.0.x to ^1.1.0-beta.19 in all workspaces - Add test fixtures for disjoint hunks, deleted/renamed/new files Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Code reviewNo issues found. Checked for bugs and CLAUDE.md compliance. 🤖 Generated with Claude Code - If this code review was useful, please react with 👍. Otherwise, react with 👎. |
- Add AbortController to file-content fetch effect to cancel in-flight requests when switching files - Reject path traversal (.. or absolute paths) on /api/file-content - Document /api/file-content endpoint in CLAUDE.md Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
PatchDifftoFileDiffcomponent from@pierre/diffsto enable GitHub-style expandable context between diff hunks/api/file-contentserver endpoint that serves old/new file content based on the active diff type (uncommitted, staged, last-commit, branch, worktree)FileDiffMetadatawitholdLines/newLines, unlocking the library's built-in expansion UI@pierre/diffsfrom 1.0.4 → 1.0.11 (scroll sync fix for unified mode, no breaking changes)Closes #243
Test plan
bun run dev:review— demo mode renders identically (no expansion, graceful fallback since/api/file-content404s)bun run build:hook && ~/.local/bin/plannotator reviewfrom a repo with changes:🤖 Generated with Claude Code