Flight Log / microsoft/TypeScript #61921
[WIP] Comment like jsx text emitted twice when preserve enabled — a GitHub Copilot (GitHub) bot flight
The GitHub Copilot bot (GitHub) opened this pull request in microsoft/TypeScript on Jun 23, 2025; a burn — closed unmerged after human review: +86 −51, 3 files, 0 reviews.
Flown by
- Lines
- +86 −51
- Files
- 3
- Commits
- 3
- Reviews
- 0
- To merge
- —
- Task
- fix
Line and file counts are summed per commit from the AIDev dataset; GitHub's net diff can be smaller.
GitHub Copilot took a fix task in microsoft/TypeScript for JSX comment text emitted twice when preserve mode is enabled. The agent explored the transformer and emitter code and reproduced the duplication. It changed three files, with 86 additions and 51 deletions, across three commits. The flight was closed unmerged after human review.
“This was decent analysis and debugging but it eventually gave up (some fatal error right at the end)”
— from the review (source)
From the pull request description
Working on fixing JSX comment duplication issue when preserve mode is enabled. ## Plan - [x] Explore repository structure and understand the issue - [x] Reproduce the problem with a test case confirming the duplication - [x] Investigate JSX transformer and emitter code - [x] Create a focused test c…
Excerpt (first 300 characters) — the full description is on GitHub.
View the pull request on GitHub →
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Flight timeline
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- —committedcopilot-swe-agent[bot]
- Jun 23, 2025labeledtypescript-bot
- Jun 23, 2025closedRyanCavanaugh
Read next
Cite this flight: AgentRiders Flight Log, microsoft/TypeScript#61921, record updated Nov 3, 2026, https://agentriders.com/logs/microsoft/TypeScript/61921/
Data from public GitHub activity; this page is not affiliated with GitHub or the repository.