Default.sublime-keymap

[

  // `cs` triggers surround_change in command mode
  {
    "keys": ["s"],
    "command": "surround_change",
    "context": [
      {"key": "setting.command_mode"},
      {"key": "vi_action", "operand": "enter_insert_mode"}
    ]
  }

  // `ds` triggers surround_delete in command mode
  , {
    "keys": ["s"],
    "command": "surround_delete",
    "context": [
      {"key": "setting.command_mode"},
      {"key": "vi_action", "operand": "vi_delete"}
    ]
  }

  // `ys` accepts a motion and triggers surround_selection in command mode
  , {
    "keys": ["s"],
    "command": "set_action",
    "args": {
      "action": "surround_selection",
      "description": "Surround"
    },
    "context": [
      {"key": "setting.command_mode"},
      {"key": "vi_action", "operand": "vi_copy"}
    ]
  }

  // `s` triggers surround_selection in visual mode
  , {
    "keys": ["s"],
    "command": "surround_selection",
    "context": [
      {"key": "setting.command_mode"},
      {"key": "selection_empty", "operator": "equal", "operand": false, "match_all": false}
    ]
  }

]