export class JsonHelper {
  /**
   * Expects the HTTP body response to be JSON
   * This will remove the `)]}',\n` if present
   * and return the correct JSON data as an object
   *
   * @param response The raw HTTP response from the server
   * @returns The JSON data in the body of the response as an object
   */
  static getBody(response) {
    const junk = ")]}',\n";
    let json = response.body;

    if (json.length === 0) {
      return null;
    }

    if (json.startsWith(junk)) {
      json = json.substr(junk.length);
    }
    return JSON.parse(json);
  }
}