simple build with vite is breaking because it is not compatible to ESM type

[veeramarni]

Describe the bug

I'm getting this error while building

11:26:39 AM [vite] Error when evaluating SSR module virtual:remix/server-build: failed to import "flexlayout-react"
|- /test/node_modules/flexlayout-react/lib/index.js:1
export * from './view/Layout';
^^^^^^

SyntaxError: Unexpected token 'export'

Your Example Website or App

No response

Steps to Reproduce the Bug or Issue

1. Build the component using vite

Expected behavior

Vite build should run fine.

Operating System

macOS

Browser Type?

Google Chrome

Browser Version

91.1

Screenshots or Videos

WIll add later

Additional context

No response

[veeramarni]

created this PR #465 which will fix the pure esm issues.

[mikemyl]

Also getting this issue. more specifically, Jest is upset because it can't do ESM modules by default