Unable to properly showcase the effect of Cesium in the repl

[jenson]

I want to load Cesium content in the REPL, but I found that I can't display the full content of Cesium. The correct display should show the appearance of the Earth, but it is not rendered in the REPL

correct display：

I have a small demo source code here:
https://github.com/JensonMiao/repl-cesium-demo

[Kevin Deng 三咲智子]

Please use ESM dependency and configure import maps https://github.com/WICG/import-maps