setting for Karabiner

caps_lock.json

{
    "title": "caps_lock",
    "rules": [
        {
            "manipulators": [
                {
                    "conditions": [
                        {
                            "bundle_identifiers": [
                                "^com\\.apple\\.Terminal$",
                                "^com\\.googlecode\\.iterm2$"
                            ],
                            "type": "frontmost_application_unless"
                        }
                    ],
                    "description": "Change caps_lock to command if alone is escape. (without Terminal,iterm2) Apple internal keyborad",
                    "from": {
                        "key_code": "caps_lock",
                        "modifiers": {
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "left_command"
                        }
                    ],
                    "to_if_alone": [
                        {
                            "key_code": "escape"
                        }
                    ],
                    "type": "basic"
                }
            ]
        },
        {
            "manipulators": [
                {
                    "conditions": [
                        {
                            "bundle_identifiers": [
                                "^com\\.apple\\.Terminal$",
                                "^com\\.googlecode\\.iterm2$"
                            ],
                            "type": "frontmost_application_if"
                        }
                    ],
                    "description": "Change caps_lock to ctrl if alone is escape. (when Terminal,iterm2) Apple internal keyborad",
                    "from": {
                        "key_code": "caps_lock",
                        "modifiers": {
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "left_control"
                        }
                    ],
                    "to_if_alone": [
                        {
                            "key_code": "escape"
                        }
                    ],
                    "type": "basic"
                }
            ]
        },
        {
            "manipulators": [
                {
                    "conditions": [
                        {
                            "bundle_identifiers": [
                                "^com\\.apple\\.Terminal$",
                                "^com\\.googlecode\\.iterm2$"
                            ],
                            "type": "frontmost_application_unless"
                        }
                    ],
                    "description": "Change left_control to command if alone is escape. (without Terminal,iterm2) HHKBB",
                    "from": {
                        "key_code": "left_control",
                        "modifiers": {
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "left_command"
                        }
                    ],
                    "to_if_alone": [
                        {
                            "key_code": "escape"
                        }
                    ],
                    "type": "basic"
                }
            ]
        },
        {
            "manipulators": [
                {
                    "conditions": [
                        {
                            "bundle_identifiers": [
                                "^com\\.apple\\.Terminal$",
                                "^com\\.googlecode\\.iterm2$"
                            ],
                            "type": "frontmost_application_unless"
                        }
                    ],
                    "description": "Change left_command to left_control. (without terminal,iterm2) HHKBB",
                    "from": {
                        "key_code": "left_command",
                        "modifiers": {
                            "optional": [
                                "any"
                            ]
                        }
                    },
                    "to": [
                        {
                            "key_code": "left_control"
                        }
                    ],
                    "type": "basic"
                }
            ]
        }
    ]
}