re: How we reduced our initial JS/CSS size by 67% VIEW POST


I believe tree shaking is actually disabled in webpack if it finds you are using dynamic imports as it doesn't know (or doesn't go to the trouble to know) all the parts of a module different parts of your code will need.

With your react-icons usage you are imply importing just what you need. However, it appears that with v3 you will still have to import the complete icon set as the icons can no longer be imported individually (they come in a single file).


We're not using dynamic imports on react-icons, so Webpack can still tree shake it. Our react-icons is already on v3 and our bundles only have the SVG for the icons we use. Have you had a different outcome with this setup?


interesting, maybe there are situations where it will work and I read too much into this..
I was definitely having issues and I guess I assumed this applied across the board (especially as we're doing code splitting on routes in the main component).

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