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lovell/sharp

This system is a high-performance image processing library that manages image operations such as compositing, color manipulation, and format conversion. It provides a modular, cross-platform native module supporting both CommonJS and ES Module imports, with specific build infrastructure for WebAssembly targets. The codebase includes comprehensive testing for unit coverage, memory leak detection, and TypeScript type safety.

49.3

Weak · 2 August 2026

13k

lines of production code

JavaScript

primary language

1

bus factor · 242 authors in all

3

measurements over time

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How it got here

2013–2014 · Testing and dependency modernization

This period focused on modernizing the project's build environment by upgrading to C++17 and libvips v8.18.3, while simultaneously enhancing test coverage. The team introduced automated memory leak detection with Valgrind, containerized benchmarking infrastructure, and expanded unit tests for image processing operations.

6 changes

2015–2023 · Modularization and WebAssembly support

The project underwent a significant architectural refactoring, splitting the monolithic library into modular components for improved maintainability. Concurrently, the codebase expanded its build infrastructure to support WebAssembly platforms via Emscripten, introducing dual CommonJS and ES Module exports for broader compatibility.

4 changes

2025–2026 · Build system and test infrastructure modernization

This period focused on modernizing the project's build and testing infrastructure. The team migrated the test suite to the native Node.js test runner and introduced a new build script to generate dual ESM/CJS outputs. Additionally, TypeScript type tests were added to ensure the correctness of the library's public API across different module systems.

4 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 2 August 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit 3e0ac1412e — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
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