Building and testing on Node 14, errors in the browser relating to gyp?

[lanmower]

Since node 12 build failed on me (error finding is-array import) I tried Node 14, it built but I get this error in the browser

Demo at:

https://chakrachain-verify.glitch.me/

Source code for demo:

[lanmower]

I'm going to try and build a bundle from the hyper-sdk source instead