this post was submitted on 08 Oct 2024
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How to ensure my web app has backward compatibility with importing JSON based user data? (lemm.ee)
submitted 17 hours ago by jonathanvmv8f@lemm.ee to c/programming@programming.dev
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I am working on a small web app that stores user data locally using indexedDB which can be imported/exported by making use of JSON files. Since I plan on adding updates to the site, I want to know what best practices I should follow to make sure my app can allow importing of user data from older versions. It could be related to how I should define the properties of my user data object to make it future proof, or any library or tool I could implement that would make this migration process easier.

Do keep these points in mind:

  1. I am using NextJS to build this application and Dexie to manage indexedDB
  2. Without going into details, the user data file makes use of heavily nested objects and arrays and most likely won't fit in a cookie or even in the local storage API
  3. This web app acts as a proof of concept which must only make use of the aforementioned core technologies, regardless of whether more efficient alternatives exist or not.
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[–] expr@programming.dev 1 points 2 hours ago

Obligatory "JSON APIs are not REST because JSON is not hypermedia".

GraphQL is a mess too as you throw out any ability to reason about query performance and it still requires thick clients with complicated/duplicated business logic.

If you're doing RoR anyway, then go for https://htmx.org/. It's much, much simpler and closer to how the web was originally designed. Highly recommend this book the author wrote on the subject (also provides tutorials walking through building an app): https://hypermedia.systems/book/contents/.