Error: Object.fromEntries() requires a single iterable argument on old browsers (ie11 specifically)

[garronej]

Error: Object.fromEntries() requires a single iterable argument on old browsers (ie11 specifically)

[garronej]

Thank you for expressing appreciation for the work that have been put into it! <3
I will try to make it compatible with ie11.

[garronej]

I got the test SPA app to work on ie11. It uses mui v5. I couldn't reproduce the error you mentioned.

Anyway I will try to fix my polyfill of Object.fromEntry maybe it will fix it for you.

[garronej]

If you use create-react-app maybe it you are missing somme polyfills?
See here and here

[garronej]

Anyway I updated my polyfill in the last version maybe it will work now.

[thenano]

@garronej thanks so much for all your help with this. I'll test the new version and report back

[thenano]

Hi @garronej I updated the package and was still getting the same error, but like you said, I was missing some polyfills. I deliberately added a polyfill for Object.fromEntries and it's all good now. Just as reference, I don't use the react-app-polyfill package (it's so large! I use polyfill.io instead) and I'm somewhat ejected from CRA (I use react-app-rewired reluctantly for other reasons that I wish didn't exist).
I added the polyfill for Object.fromEntries from polyfill.io and that solved it.

Thanks again for all your help and such a speedy response to this issue, I'll close it now.