jupyterlab settings - json view - R keyboard shortcuts

jupyterlab_Rshortcuts.json

// R keyboard shortcuts for jupyterlab
{
          "command": "notebook:replace-selection",
          "selector": ".jp-Notebook",
          "keys": ["Ctrl Shift M"],
          "args": {"text": " %>% "}
        },
        {
          "command": "notebook:replace-selection",
          "selector": ".jp-Notebook",
          "keys": ["Alt -"],
          "args": {"text": " <- "}
        }