Kibana: NPM package jsts breaks kibana in IE11

[kertal]

Kibana version:
8.0.0
Elasticsearch version:
8.0.0
Server OS version:
maxOs Mojave 10.14.3
Browser version:
IE11
Browser OS version:
Windows
Original install method (e.g. download page, yum, from source, etc.):

Describe the bug:
There's a new npm package, ists, that causes an syntax error in IE11

Steps to reproduce:

1. Log into Kibana in IE11
2. You will be redirected to the "Something went wrong" screen

Expected behavior:
You log in successfully and see the

Screenshots (if relevant):

Errors in browser console (if relevant):

Provide logs and/or server output (if relevant):

Any additional context:

[kertal]

dear @aaronjcaldwell, could you take a look, many thanks!

[aaronjcaldwell]

Thanks @kertal! Will take a look

[joshdover]

@aaronjcaldwell If this package needs to be compiled by babel the Operations team may be able to help out with that.

[elasticmachine]

Pinging @elastic/kibana-gis

[aaronjcaldwell]

@joshdover Thanks! I think we're good. Looks like we should have a fix in place shortly using the jsts es5 output package

[spalger]

Thanks @aaronjcaldwell, @joshdover we really want to make transpiling node_modules a last resort, after searching for other package options.