@jridgewell/sourcemap-codec releases were most frequent in early 2022, peaking in February with 3 versions. Activity decreased significantly afterward with occasional single releases in April 2023, July 2024, and a resurgence in June-August 2025. There were no releases between September 2022 and March 2023, or between August 2024 and May 2025.
@jridgewell/sourcemap-codec provides fast, lossless encoding and decoding of base64 VLQ mappings, the core data structure within Source Maps. It offers efficient algorithms for converting between the array-of-array structure commonly used in Source Maps and the compact, encoded string representation. This package is essential for tools that consume, generate, or manipulate Source Maps, ensuring optimal performance when dealing with large mapping datasets. Its focus is solely on codec functionality, avoiding any IO or higher-level Source Map operations.
@jridgewell/sourcemap-codec downloads show a general upward trend from March 2024 to August 2025, peaking in July-August 2025 around 328 million. September 2025 downloads are significantly lower (116M), as data is incomplete for the current month.