Function optionalStringRecord

projects/runtime-node/src/validation.ts:100–110

(key: string)

}

export function optionalStringRecord(key: string): ParamCheck {
    return (record) => {
        const value = record[key]
        if (value === undefined) return null
        if (typeof value !== "object" || value === null || Array.isArray(value)) return paramsError(`$.${key}`, `${key} must be an object`)
        for (const [entryKey, entryValue] of Object.entries(value)) {
            if (typeof entryValue !== "string") return paramsError(`$.${key}.${entryKey}`, `${key} values must be strings`)
        }
        return null
    }
}