分享：组合按 CapsLock 变 Hyper key、Fn 变 Esc，单按不变。（Karabiner-Elements）

** 说明：**

1. 单按 CapsLock 时还是 CapsLock，与其它键组合时变为 Ctrl + Option + Cmd + Shift

   例：CapsLock + g 等于 Ctrl + Option + Cmd + Shift + g

2. 单按 Fn 是 Esc，与其它键组合时还是 Fn

   例：Fn + g 等于 Fn + g

** 代码： **

{
  "title": "Fn/CapsLock Enhancement",
  "rules": [
    {
      "description": "长按 CapsLock 变 Hyper key",
      "manipulators": [
        {
          "from": {
            "key_code": "caps_lock",
            "modifiers": {
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "right_control",
              "modifiers": ["right_command", "right_option", "right_shift"]
            }
          ],
          "to_if_alone": {
            "hold_down_milliseconds": 100,
            "key_code": "caps_lock"
          },
          "type": "basic"
        }
      ]
    },
    {
      "description": "单按 Fn 变 Escape",
      "manipulators": [
        {
          "type": "basic",
          "from": {
            "key_code": "fn",
            "modifiers": {
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "fn",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "escape"
            }
          ]
        }
      ]
    }
  ]
}