Use cmd + 1/2/3 to switch between file view, terminal, and scm (terminal is moved to Primary Sidebar)

keybindings.json

  {
    // close scm
    {
      "key": "cmd+3",
      "command": "workbench.action.closeSidebar",
      "when": "workbench.scm.active || workbench.scm.visible"
    },
    // open scm
    {
      "key": "cmd+3",
      "command": "workbench.view.scm",
      "when": "!sideBarVisible"
    },
    // open scm
    {
      "key": "cmd+3",
      "command": "workbench.view.scm",
      "when": "sideBarVisible && !view.workbench.scm.visible"
    },
    // open terminal
    {
      "key": "cmd+2",
      "command": "workbench.action.terminal.toggleTerminal",
      "when": "!view.terminal.visible"
    },
    // open terminal
    {
      "key": "cmd+2",
      "command": "workbench.action.terminal.toggleTerminal",
      "when": "sideBarVisible && !view.terminal.visible"
    },
    // close terminal
    {
      "key": "cmd+2",
      "command": "workbench.action.closeSidebar",
      "when": "sideBarVisible && view.terminal.visible"
    },
    //  open fileview
    {
      "key": "cmd+1",
      "command": "workbench.explorer.fileView.focus",
      "when": "!view.workbench.explorer.fileView.visible"
    },
    // close fileview
    {
      "key": "cmd+1",
      "command": "workbench.action.closeSidebar",
      "when": "sideBarVisible && view.workbench.explorer.fileView.visible"
    },
  
  }