@jridgewell/trace-mapping is a lightweight library for efficiently mapping positions between source maps. Designed for performance, it excels at navigating complex source map chains, connecting generated code positions back to their original source locations with minimal overhead. Ideal for tooling focused on debugging, performance analysis, and code transformations, this package offers precise source location resolution, making it invaluable for source map manipulation and analysis within high-performance environments. Its primary focus optimizes retrieving original positions.
@jridgewell/trace-mapping releases were frequent in 2022, peaking in February with 10 versions. Release slowed significantly from March 2023 - May 2025, with many months having no releases. There was a small resurgence in June-August 2025, with a combined 5 releases. No releases so far in September 2025.
@jridgewell/trace-mapping npm package downloads show a generally increasing trend from March 2024 to August 2025, with a significant jump in October 2024. September 2025 downloads are incomplete but suggest a potentially lower number compared to the previous few months.