Ctrl+P
Put this in your $HOME/.vscode/extensions directory
$HOME/.vscode/extensions
New command is Shift+⌘+P Reval current file
Reval current file
If you want you can also manually add a keybinding in your keybindings.json like
keybindings.json
{ "key": "shift+cmd+r", "command": "extension.reval" },