main.json

{
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "$defs": {
        "color": {
            "type": "string",
            "pattern": "^#?([a-fA-F0-9]{3}|[a-fA-F0-9]{6})$"
        },
        "function": {
            "type": "string",
            "pattern": "^((?:\\((?1)\\)|(?:(?:(?2)(?:\\((?1)(?:,\\s*(?1))*\\))|(?:(\\b[A-Za-z_]\\w*\\b)|\\b\\d+\\b))))(?:\\s*[+\\-*\\/%]\\s*(?1))?)$"
        },
        "typeMap": {
            "type": "object",
            "additionalProperties": {
                "oneOf": [
                    {
                        "type": "number"
                    },
                    {
                        "type": "string"
                    }
                ]
            }
        }
    },
    "properties": {
        "constants": {
            "type": "object",
            "additionalProperties": {
                "oneOf": [
                    {
                        "type": "number"
                    },
                    {
                        "$ref": "#/$defs/function"
                    },
                    {
                        "type": "object",
                        "properties": {
                            "variables": {
                                "type": "array",
                                "items": {
                                    "type": "string",
                                    "description": "constants, special values"
                                }
                            },
                            "formula": {
                                "$ref": "#/$defs/function"
                            }
                        },
                        "additionalProperties": false,
                        "required": [
                            "formula"
                        ]
                    }
                ]
            }
        },
        "types": {
            "type": "object",
            "additionalProperties": {
                "type": "object",
                "properties": {
                    "name": {
                        "type": "string"
                    },
                    "color": {
                        "$ref": "#/$defs/color"
                    },
                    "mulsAgainst": {
                        "$ref": "#/$defs/typeMap"
                    },
                    "mulsFrom": {
                        "$ref": "#/$defs/typeMap"
                    }
                },
                "additionalProperties": false,
                "required": [
                    "name",
                    "color"
                ]
            }
        }
    },
    "additionalProperties": false
}