| 20 | * @returns Whether the value is valid JSON. |
| 21 | */ |
| 22 | export function isValidJson(value: unknown): value is Json { |
| 23 | if (value === null) { |
| 24 | return true; |
| 25 | } |
| 26 | if (typeof value === "string" || typeof value === "number" || typeof value === "boolean") { |
| 27 | return true; |
| 28 | } |
| 29 | if (Array.isArray(value)) { |
| 30 | return value.every((entry) => isValidJson(entry)); |
| 31 | } |
| 32 | if (isObject(value)) { |
| 33 | return Object.values(value).every((entry) => isValidJson(entry)); |
| 34 | } |
| 35 | return false; |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * JSON-stringifies a value with 2-space indentation. |