unleash.unleash/src/lib/util/validateJsonString.ts

export const validateJsonString = (value: string): boolean => {
    // from https://stackoverflow.com/a/20392392
    try {
        const parsedStr = JSON.parse(value);
        if (parsedStr && typeof parsedStr === 'object') {
            return true;
        }
    } catch (err) {}

    // an error is considered a non valid json
    return false;
};