webpack-sources

Provides base and concrete Source classes for representing source code with optional source maps, used primarily by webpack. Current stable version is 3.4.0, released in 2025-01-06. The package is actively maintained as part of webpack ecosystem. Key classes include RawSource, OriginalSource, SourceMapSource, ConcatSource, CachedSource, and PrefixSource. Differentiators: designed for webpack's compilation pipeline, supports efficient buffer operations (buffer/buffers), hash computation, and identity mappings for source maps. It ships TypeScript types and works with Node 10.13+.