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Lê Duy Khang

PROFILE

Lê Duy Khang

Worked on reliability and memory safety improvements in denoland/std and oven-sh/bun, focusing on bug fixes rather than new features. In denoland/std, addressed cross-platform glob pattern matching by refining path separator handling, ensuring consistent behavior across Windows, Linux, and macOS. This involved targeted updates in TypeScript with comprehensive testing around edge cases. In oven-sh/bun, resolved a memory safety issue in Rust by replacing unsafe Vec<u8> to Vec<u16> reinterpretation with a safe allocation and copy approach for UTF-16LE/UCS2 file reads. Both contributions enhanced stability and correctness for downstream users, emphasizing careful system programming and robust test coverage.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

2Total
Bugs
2
Commits
2
Features
0
Lines of code
47
Activity Months2

Work History

May 2026

1 Commits

May 1, 2026

May 2026 monthly summary for oven-sh/bun. Delivered a critical safety fix for the UTF-16LE/UCS2 path in fs.readFile by correcting an allocator-layout UB when converting between Vec<u8> and Vec<u16>. Implemented a safe allocation-and-copy approach that mirrors the existing utf16le path, eliminating the unsafe reinterpretation and ensuring proper allocation/deallocation. Maintained behavior for existing tests and verified through regression tests covering utf16le/ucs2 encodings and large files. Result: improved memory safety, reliability of file IO with encoded paths, and reduced risk of heap corruption in encoding-related code paths.

November 2025

1 Commits

Nov 1, 2025

November 2025: Focused on reliability and cross-platform correctness for denoland/std. Delivered a targeted bug fix to the glob pattern matching logic to correctly handle file separators across different path separators and scenarios. No new features were released this month; the work improves stability and correctness for users relying on cross-platform globbing in std. The change was implemented with a concise commit (2382905fb5515961c81f369e006217a5aa72fc99) accompanying the fix and aligns with code quality, testing, and downstream tooling expectations.

Activity

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Quality Metrics

Correctness100.0%
Maintainability80.0%
Architecture90.0%
Performance80.0%
AI Usage40.0%

Skills & Technologies

Programming Languages

RustTypeScript

Technical Skills

RustTypeScriptmemory managementpath manipulationsystem programmingtesting

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

denoland/std

Nov 2025 Nov 2025
1 Month active

Languages Used

TypeScript

Technical Skills

TypeScriptpath manipulationtesting

oven-sh/bun

May 2026 May 2026
1 Month active

Languages Used

Rust

Technical Skills

Rustmemory managementsystem programming