import { useMemo } from "react";
import {
UnnestResult,
unnestSingleStringValue,
} from "@phoenix/utils/jsonUtils";
/**
* Unnests a JSON value if it's an object with a single string key whose value is a string.
* This is useful for displaying wrapped responses like `{"response": "..."}` as just the string content.
*
* @returns An object with the unnested value and whether unnesting occurred.
*
* @example
* // Returns { value: "Hello world", wasUnnested: true }
* useUnnestedValue({ "response": "Hello world" })
*
* @example
* // Returns { value: { "a": "1", "b": "2" }, wasUnnested: false }
* useUnnestedValue({ "a": "1", "b": "2" })
*
* @example
* // Returns { value: { "data": { "nested": true } }, wasUnnested: false }
* useUnnestedValue({ "data": { "nested": true } })
*/
export function useUnnestedValue(value: unknown): UnnestResult {
return useMemo(() => unnestSingleStringValue(value), [value]);
}
