Well, seeing as barring people from leaving a state is against the US constitution, and states can’t take away those rights, only give more, it’s kind of a moot point you’re raising. And also completely unreasonable.
In subreddit r/whoathatsinteresting
In a post titled:
Texas Republicans have locked Democratic Rep. Nicole Collier inside the state house chamber and refuse to allow her to leave until she signs a 'permission slip'