Fix console error when uploading to a new discussion OP

FriendsOfFlarum / upload

The file upload extension with insane intelligence for your Flarum forum.

https://discuss.flarum.org/d/4154

MIT License

176 stars 95 forks source link

Closed davwheat closed 3 years ago

davwheat commented 3 years ago

At the moment, the ext attempts to preview the content after the upload succeeds, but this creates an error if attempted on a new discussion.

By wrapping the .preview() code in a typeof check, we can ensure that the post is only previewed if supported.