Arrow keys move, right expands, left collapses or goes to the parent, Home and End jump, typing jumps to a name. With multiple selection: Shift+arrows, Shift or Ctrl/Cmd click, Space.
Selected: app/components/button.tsx
Drag files or folders onto a folder (it opens after a beat) or the empty area at the bottom. Keyboard: Ctrl/Cmd+X, then Ctrl/Cmd+V on a folder.
node_modules loads on first open and shows a loading row.
With reduced motion on, the chevron and the folder height stop animating.