im-switch.json

{
  "title": "适合 HHKB 和 Vim 用户的键盘映射",
  "rules": [
    {
      "description": "短按 Control_L -> ESC 并切换英文输入法",
      "manipulators": [
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "en"
                }
              ],
              "type": "input_source_unless"
            }
          ],
          "from": {
            "key_code": "left_control"
          },
          "to": [
            {
              "key_code": "left_control",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "escape"
            },
            {
              "key_code": "f18"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_control"
            }
          ],
          "type": "basic"
        },
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "en"
                }
              ],
              "type": "input_source_if"
            }
          ],
          "from": {
            "key_code": "left_control"
          },
          "to": [
            {
              "key_code": "left_control",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "escape"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_control"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "短按 Caps -> ESC 并切换英文输入法 | 其它情况 Caps -> Control_L",
      "manipulators": [
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "en"
                }
              ],
              "type": "input_source_unless"
            }
          ],
          "from": {
            "key_code": "caps_lock",
            "modifiers": {
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "left_control",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "escape"
            },
            {
              "key_code": "f18"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_control"
            }
          ],
          "type": "basic"
        },
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "en"
                }
              ],
              "type": "input_source_if"
            }
          ],
          "from": {
            "key_code": "caps_lock",
            "modifiers": {
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "left_control",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "escape"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_control"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "短按 Command_L -> 切换英文输入法",
      "manipulators": [
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "en"
                }
              ],
              "type": "input_source_unless"
            }
          ],
          "from": {
            "key_code": "left_command"
          },
          "to": [
            {
              "key_code": "left_command",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "f18"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_command"
            }
          ],
          "type": "basic"
        },
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "en"
                }
              ],
              "type": "input_source_if"
            }
          ],
          "from": {
            "key_code": "left_command"
          },
          "to": [
            {
              "key_code": "left_command",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "vk_none"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "left_command"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "短按 Command_R -> 切换中文输入法",
      "manipulators": [
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "zh-Hans"
                }
              ],
              "type": "input_source_unless"
            }
          ],
          "from": {
            "key_code": "right_command"
          },
          "to": [
            {
              "key_code": "right_command",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "f18"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "right_command"
            }
          ],
          "type": "basic"
        },
        {
          "conditions": [
            {
              "input_sources": [
                {
                  "language": "zh-Hans"
                }
              ],
              "type": "input_source_if"
            }
          ],
          "from": {
            "key_code": "right_command"
          },
          "to": [
            {
              "key_code": "right_command",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "vk_none"
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "right_command"
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "搭配 Homerow 使用，短按 Option_R 点击，长按 Option_R 滚动",
      "manipulators": [
        {
          "from": {
            "key_code": "right_option"
          },
          "parameters": {
            "basic.to_if_alone_timeout_milliseconds": 170,
            "basic.to_if_held_down_threshold_milliseconds": 170
          },
          "to": [
            {
              "key_code": "right_option",
              "lazy": true
            }
          ],
          "to_if_alone": [
            {
              "key_code": "spacebar",
              "modifiers": ["left_command", "left_shift"]
            }
          ],
          "to_if_held_down": [
            {
              "key_code": "j",
              "modifiers": ["left_command", "left_shift"]
            }
          ],
          "type": "basic"
        }
      ]
    },
    {
      "description": "Right Command + hjkl to arrow keys Vim",
      "manipulators": [
        {
          "from": {
            "key_code": "h",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "left_arrow"
            }
          ],
          "type": "basic"
        },
        {
          "from": {
            "key_code": "j",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "down_arrow"
            }
          ],
          "type": "basic"
        },
        {
          "from": {
            "key_code": "k",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "up_arrow"
            }
          ],
          "type": "basic"
        },
        {
          "from": {
            "key_code": "l",
            "modifiers": {
              "mandatory": ["right_command"],
              "optional": ["any"]
            }
          },
          "to": [
            {
              "key_code": "right_arrow"
            }
          ],
          "type": "basic"
        }
      ]
    }
  ]
}

ps: 如果只想设置 esc 切换英文输入法的话，用这个karabiner设置： https://gist.github.com/Jackiexiao/243468b2dbb8017af6a7baefb7af0ed2