Type issue in stackblitz：'"vuepress"' has no exported member 'defineUserConfig'

[Youky1]

Checklist

• I am using LTS version of Node.js.
• I am using the latest v2 version of VuePress and VuePress official plugins.
• I am using the latest v2 version of vuepress-theme-hope and all plugins in this repo.
• I followed the docs and I double checked my configuration.
• I have searched FAQ and I did not find the answer.

Package name

vuepress-theme-hope

Which operating system are you using?

• macOS
• Windows
• Linux

Describe the bug

引用依赖时报错，'"vuepress"' has no exported member 'defineUserConfig' ，项目无法运行。
在线演示demo中同样有这个错误

Additional context

No response

[Mister-Hope]

The stack blitz editor is not a fully functional editor, which does not support pure esm packages. Report to them about esm package issues.

For local projects, ensure type: "module" is added or use .mts/.mjs

[Mister-Hope]

See stackblitz/webcontainer-core#1452