Editora 0.20.0. Archived, so links from that release keep working. Read the 0.23.0 page →
View: Fold All
view.foldAll Fold every foldable region.
How to run it
Open the command palette (M-x in the Emacs keymap) and search for View: Fold All, then press Enter. It also has a default keybinding:
| Emacs | C-cf |