Import diagram(s) from exported JSON?

[qjcg]

While it's currently possible to save a diagram as JSON via the download button, as far as I can see there's currently no corresponding "import" or "restore" feature. Such an "import" feature would be a really useful feature to have for backup purposes!

This might also be interesting to allow in bulk, for example:

• "Export all diagrams": Download a Zip file containing all your user's diagrams as JSON files
• "Import diagram(s)": Allow uploading either an individual JSON file to restore a single diagram, or uploading a Zip file as described above to restore several diagrams at once.

[Antiarchitect]

Also interested. I see import.lua inside the repo, but do not know if it is actual import of JSON-packed diagrams and how to use it via console.