js-moi-utils/src.ts/json.ts

Collection of utility functions used in js-moi-sdk.

/**
 * Marshals the given json object into a Uint8Array by converting it to 
 * JSON string and encoding as UTF-8.
 *
 * @param {object} data - The data object to marshal.
 * @returns {Uint8Array} The marshaled data as a Uint8Array.
 */
export const marshal = (data: object): Uint8Array => {
    const jsonString = JSON.stringify(data);
    return new TextEncoder().encode(jsonString);
}

/**
 * Unmarshals the given Uint8Array into its original json object by decoding 
 * it as UTF-8 and parsing the JSON string.
 *
 * @param {Uint8Array} bytes - The bytes to unmarshal.
 * @returns {any} The unmarshaled data object.
 * @throws {Error} If there is an error while deserializing the data.
 */
export const unmarshal = (bytes: Uint8Array): any => {
    try {
        const jsonString = new TextDecoder().decode(bytes);
        return JSON.parse(jsonString);
    } catch (error) {
        throw new Error('Error deserializing data:', error);
    }
}