Adjust encoding of event payload to work in Google Analytics

[quadmachine]

Several attributes included in our tracking payload, e.g. page title include spaces which need to be encoded before being sent to GA. Currently this is done by

const qs = new URLSearchParams(JSON.parse(JSON.stringify(payload))).toString()

which returns a string where spaces have been replaced with +. Unfortunately GA doesn't decode this before displaying in it's UI, but it does hovewer decode %20 properly.

Is there any way that you switch to using encodeURIComponent to encode the payload in a way which will be decodeable by GA, or alternativelly even enabling a way to provide custom serialization function?

I can create a PR which fixes the encoding issue if that would work for you?

Cheers