Fixing a null-body crash in the Formbricks survey SDK, found by Sentry

This is a submission for DEV's Summer Bug Smash: Clear the Lineup powered by Sentry.

A survey widget should not be able to take down the page it is embedded on. This one could: a single API response with a null body threw an uncaught TypeError in the visitor's browser. Sentry's bot found it, filed it as a GitHub issue, and Seer pointed at the exact line. Here is the fix.

Project Overview

Formbricks is an open-source survey and experience-management platform. Websites and apps embed a small JavaScript SDK that loads a survey, shows it to a user, and posts the answers back to the Formbricks API. The SDK lives in the monorepo as two packages: @formbricks/js-core (the loader and command queue) and @formbricks/surveys (the survey renderer). Both talk to the backend through a shared makeRequest helper.

Bug Fix or Performance Improvement