I can't think of a good way to do it with Ur/Web as it stands. It should be a pretty simple tweak to the compiler to specify an external program to run to transform this JavaScript code.

On 5/21/19 9:05 AM, Simon Van Casteren wrote:
Hey everybody,

I've been breaking my head today on how to do pre-compression of static assets, mainly the app.*.js bundle. Currently I'm having Nginx do on-the-fly compression using brotli at lvl 4. This causes my app.*.js bundle to shrink from 1.8 MB to 145 kB. This is really good already, but running it at lvl 11 gets me a 90 kB bundle, still 50% less than what I have now! Running it at lvl 11 takes around 5 seconds (on my underpowered server) though, which is really quite long.

In a normal situation I'd run the brotli compressor at build or deployment time, but the app.*.js bundle is never on the filesystem, so I haven't found a way to do this pre-compression in an Ur/Web context.

Anybody has any ideas?

Simon

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