Error in Server Side Rendering. Need a valid ESM entry #6449

Describe the bug / 问题描述

According to README, G6 supported SSR. But this is NOT the case.

See #5205

Reproduction link / 重现链接

ignore

Steps to Reproduce the Bug or Issue / 重现步骤

No response

G6 Version / G6 版本

🆕 5.x

Operating System / 操作系统

Windows

Browser / 浏览器

Chrome

Additional context / 补充说明

No response