{
    "$schema": "https://json-schema.org/draft/2020-12/schema#",
    "$id": "qmk.definitions.v1",
    "title": "Common definitions used across QMK's jsonschemas.",
    "type": "object",
    "boolean_array": {
        "type": "object",
        "additionalProperties": {"type": "boolean"}
    },
    "filename": {
        "type": "string",
        "minLength": 1,
        "pattern": "^[0-9a-z_]*$"
    },
    "define": {
        "type": "string",
        "minLength": 2,
        "maxLength": 50,
        "pattern": "^[A-Z_]*$"
    },
    "hex_number_2d": {
        "type": "string",
        "pattern": "^0x[0-9A-F]{2}$"
    },
    "hex_number_4d": {
        "type": "string",
        "pattern": "^0x[0-9A-F]{4}$"
    },
    "bcd_version": {
        "type": "string",
        "pattern": "^[0-9]{1,2}\\.[0-9]\\.[0-9]$"
    },
    "text_unsigned_int": {
        "type": "string",
        "pattern": "^[0-8]+$"
    },
    "text_identifier": {
        "type": "string",
        "minLength": 1,
        "maxLength": 250
    },
    "snake_case": {
        "type": "string",
        "pattern": "^[a-z][a-z0-9_]*$"
    },
    "layout_macro": {
        "oneOf": [
            {
                "type": "string",
                "enum": [
                    "LAYOUT",
                    "LAYOUT_1x2uC",
                    "LAYOUT_1x2uL",
                    "LAYOUT_1x2uR",
                    "LAYOUT_2x2uC",
                    "LAYOUT_2x3uC",
                    "LAYOUT_625uC",
                    "LAYOUT_ortho_3x12_1x2uC",
                    "LAYOUT_ortho_4x12_1x2uC",
                    "LAYOUT_ortho_4x12_1x2uL",
                    "LAYOUT_ortho_4x12_1x2uR",
                    "LAYOUT_ortho_5x12_1x2uC",
                    "LAYOUT_ortho_5x12_2x2uC",
                    "LAYOUT_ortho_5x14_1x2uC",
                    "LAYOUT_ortho_5x14_1x2uL",
                    "LAYOUT_ortho_5x14_1x2uR",
                    "LAYOUT_planck_1x2uC",
                    "LAYOUT_planck_1x2uL",
                    "LAYOUT_planck_1x2uR",
                    "LAYOUT_preonic_1x2uC",
                    "LAYOUT_preonic_1x2uL",
                    "LAYOUT_preonic_1x2uR"
                ]
            },
            {
                "type": "string",
                "pattern": "^LAYOUT_[0-9a-z_]*$"
            }
        ]
    },
    "key_unit": {
        "type": "number"
    },
    "keyboard": {
        "type": "string",
        "pattern": "^[0-9a-z][0-9a-z_/]*$"
    },
    "keycode": {
        "type": "string",
        "minLength": 2,
        "maxLength": 50,
        "pattern": "^[A-Z][A-Zs_0-9]*$"
    },
    "keycode_short": {
        "type": "string",
        "minLength": 2,
        "maxLength": 7,
        "pattern": "^[A-Z][A-Zs_0-9]*$"
    },
    "keycode_decl": {
        "type": "object",
        "required": [
            "key"
        ],
        "properties": {
            "key": {"$ref": "#/keycode"},
            "label": {"$ref": "#/text_identifier"},
            "aliases": {
                "type": "array",
                "minItems": 1,
                "items": {"$ref": "#/keycode_short"}
            }
        }
    },
    "keycode_decl_array": {
        "type": "array",
        "minItems": 1
        "items": {"$ref": "#/keycode_decl"}
    },
    "mcu_pin_array": {
        "type": "array",
        "items": {"$ref": "#/mcu_pin"}
    },
    "mcu_pin": {
        "oneOf": [
            {
                "type": "string",
                "enum": ["NO_PIN"]
            },
            {
                "type": "string",
                "pattern": "^[A-K]\\d{1,2}$"
            },
            {
                "type": "string",
                "pattern": "^LINE_PIN\\d{1,2}$"
            },
            {
                "type": "string",
                "pattern": "^GP\\d{1,2}$"
            },
            {
                "type": "integer"
            },
            {
                "type": "null"
            }
        ]
    },
    "signed_decimal": {
        "type": "number"
    },
    "signed_int": {
        "type": "integer"
    },
    "signed_int_8": {
        "type": "integer",
        "minimum": -127,
        "maximum": 127
    },
    "string_array": {
        "type": "array",
        "items": {
            "type": "string"
        }
    },
    "string_object": {
        "type": "object",
        "additionalProperties": {
            "type": "string"
        }
    },
    "unsigned_decimal": {
        "type": "number",
        "minimum": 0
    },
    "unsigned_int": {
        "type": "integer",
        "minimum": 0
    },
    "unsigned_int_8": {
        "type": "integer",
        "minimum": 0,
        "maximum": 255
    },
    "bit": {
        "type": "integer",
        "minimum": 0,
        "maximum": 1
    },
    "keyboard_keymap_tuple": {
        "type": "array",
        "prefixItems": [
            { "$ref": "#/keyboard" },
            { "$ref": "#/filename" }
        ],
        "unevaluatedItems": false
    },
    "json_file_path": {
        "type": "string",
        "pattern": "^[0-9a-z_/\\-]+\\.json$"
    },
    "build_target": {
        "oneOf": [
            { "$ref": "#/keyboard_keymap_tuple" },
            { "$ref": "#/json_file_path" }
        ]
    }
}