Server error if a destination page doesn't exist #6
Description
Some Wikipedia articles have placeholder links to articles that don't exist yet (show in red on Wikipedia), but these links are still included in the array of links returned by Wikipedia's API.
Consequently, destinations can be generated that end up with a page ID of null, causing the client to get stuck on "Waiting for the server".
- Add a quick error check to keep the client from freezing.
- Find a way to check that destination articles exist that isn't too expensive performancewise.