CAPS + HJKL Karabiner

Karabiner CAPS + HJKL

{
    "description": "CAPS LOCK + hjkl to arrow keys",
    "manipulators": [
        {
            "conditions": [
                {
                    "name": "caps_lock pressed",
                    "type": "variable_if",
                    "value": 1
                }
            ],
            "from": {
                "key_code": "j",
                "modifiers": { "optional": ["any"] }
            },
            "to": [{ "key_code": "down_arrow" }],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "name": "caps_lock pressed",
                    "type": "variable_if",
                    "value": 1
                }
            ],
            "from": {
                "key_code": "k",
                "modifiers": { "optional": ["any"] }
            },
            "to": [{ "key_code": "up_arrow" }],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "name": "caps_lock pressed",
                    "type": "variable_if",
                    "value": 1
                }
            ],
            "from": {
                "key_code": "h",
                "modifiers": { "optional": ["any"] }
            },
            "to": [{ "key_code": "left_arrow" }],
            "type": "basic"
        },
        {
            "conditions": [
                {
                    "name": "caps_lock pressed",
                    "type": "variable_if",
                    "value": 1
                }
            ],
            "from": {
                "key_code": "l",
                "modifiers": { "optional": ["any"] }
            },
            "to": [{ "key_code": "right_arrow" }],
            "type": "basic"
        },
        {
            "from": {
                "key_code": "caps_lock",
                "modifiers": { "optional": ["any"] }
            },
            "to": [
                {
                    "set_variable": {
                        "name": "caps_lock pressed",
                        "value": 1
                    }
                }
            ],
            "to_after_key_up": [
                {
                    "set_variable": {
                        "name": "caps_lock pressed",
                        "value": 0
                    }
                }
            ],
            "type": "basic"
        }
    ]
}