[docs] add note about babel cache to upgrade guide

for details see facebook#759
anru · Jun 15, 2018 · 3d64fd6 · 3d64fd6
1 parent 58fba70
commit 3d64fd6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/docs/getting-started-installation.md b/docs/getting-started-installation.md
@@ -95,3 +95,5 @@ or
 ```
 npm update docusaurus
 ```
+
+If that doesn't work, try clear your babel cache (usually it's in [temporary directory](https://babeljs.io/docs/en/babel-register/#environment-variables) or run docusaurus with `BABEL_DISABLE_CACHE=1` env configuration.