Home row navigation for Finder using Karabiner Elements

home_row_navigation_finder.json

{
  "title": "Home row navigation for Finder",
  "rules": [
    {
      "description": "Use right ⌘ +j/k to go down/up in Finder",
      "manipulators": [
        {
          "type": "basic",
          "from": {
            "key_code": "j",
            "modifiers": {
              "mandatory": [
                "right_command"
              ]
            }
          },
          "to": [
            {
              "key_code": "down_arrow",
              "modifiers": [
                "left_command"
              ]
            }
          ],
          "conditions": [
            {
              "type": "frontmost_application_if",
              "bundle_identifiers": [
                "^com\\.apple\\.finder$"
              ]
            }
          ]
        },
        {
          "type": "basic",
          "from": {
            "key_code": "k",
            "modifiers": {
              "mandatory": [
                "right_command"
              ]
            }
          },
          "to": [
            {
              "key_code": "up_arrow",
              "modifiers": [
                "left_command"
              ]
            }
          ],
          "conditions": [
            {
              "type": "frontmost_application_if",
              "bundle_identifiers": [
                "^com\\.apple\\.finder$"
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "Use right ⌘ +h/l to go back/forward in Finder",
      "manipulators": [
        {
          "type": "basic",
          "from": {
            "key_code": "h",
            "modifiers": {
              "mandatory": [
                "right_command"
              ]
            }
          },
          "to": [
            {
              "key_code": "open_bracket",
              "modifiers": [
                "left_command"
              ]
            }
          ]
        },
        {
          "type": "basic",
          "from": {
            "key_code": "l",
            "modifiers": {
              "mandatory": [
                "right_command"
              ]
            }
          },
          "to": [
            {
              "key_code": "close_bracket",
              "modifiers": [
                "left_command"
              ]
            }
          ]
        }
      ]
    }
  ]
}