biggyspender

I'm not seeing this, but IIRC, it did give me trouble. I suspect that if you add trailing slashes to the baseUrl in one/both of `tsconfig.json`/`craco.config.js`, you'll be back in...

And to suppress the STERR output related to this (in Bash): ``` yarn build --no-colors \ 2> >(grep -v -e "The following changes are being made to your tsconfig.json file:"...

I also note that [`toPromise`](https://github.com/connor4312/cockatiel/blob/9538719ae38f45c7ed1405cbfd6346a7ffb24337/src/common/Event.ts#L47) offers no mechanism have its listeners removed in the case that the signal doesn't abort. This isn't covered by the PR above, but would be...

Thanks for headsup @brandonpittman . The inclusion of tslib was most-likely caused by a misunderstanding. I'll review in the next 2-3 days.

@brandonpittman a little more complex than initially thought... v4.0.0-beta.2 removes tslib dependency