Sidebar not opening in mobile screen

[bertdeterd]

Bug report

Version

0.9.0

Steps to reproduce

In a mobile screen the sidebar is not opening when i click
repo link: https://github.com/bertdeterd/vuepress-scp-cf
runtime version on github pages: https://bertdeterd.github.io/vuepress-scp-cf/

What is expected?

Sidebar opening

What is actually happening?

Nothing. I do have 1 error in my console:
app.db985945.js:7 TypeError: t._ssrNode is not a function
When i do a dev run (vuepress dev docs) the sidebar is opening in mobile screen just fine.

Other relevant information

• Your OS: Windows 10
• Node.js version: 8.11.1
• Browser version: Chrome 66.0.3359.170
• Is this a global or local install?
  local
• Which package manager did you use for the install?
  npm

[ulivz]

Duplicate of #492.

This has been fixed at 0.9.1, after upgrading, also delete node_modules/.cache before rebuilding.