Bundle your TypeScript library with no config, powered by esbuild
Tsup is bundle your TypeScript library with no config, powered by esbuild. Licensed under MIT, it is very popular in the JavaScript ecosystem with 4.6M weekly downloads.
Tsup has an good overall health score of 73/100. Its strongest dimension is popularity (100/100), while quality (50/100) is the area with most room for improvement. This package is in good shape overall.
tsup, unbuild, pkgroll, and esbuild compared for building TypeScript libraries. Bundle formats, declaration generation, watch mode, and which to pick for.
2026-03-09T00:00:00.000ZDeep dive comparison of TypeScript library bundlers — tsup (esbuild), unbuild (rollup+stub), pkgroll (rollup). Real benchmarks, declaration generation, and.
2026-03-09T00:00:00.000ZCompare tsup, unbuild, pkgroll, tsc, esbuild, and SWC for building TypeScript libraries and applications in 2026. Speed benchmarks, DX, and when to use each.
2026-03-08T00:00:00.000Z