ts^Σ=3

Programs built by esbuild v0.11.5 appear to perform on average 27% slower than the same code built by Rollup. Some packages perform more than 90% slower though! In this context, I can't use it in production.

Here are the details of the benchmarks. I hope it's me, not esbuild.

Rollup, Webpack, and new esbuild can bundle JS programs to be usable in webpages, to be added as a <script>. However, there's a problem with esbuild.

Consider a function written in TS, which multiplies two numbers: