How is an "offline-first" app architecture different from the usual "network first, fall back to cache" approach?
In offline-first, the local DB is the single source of truth and the UI only ever reads the DB. The network is just a sync engine that fills the DB, and writes apply locally first and then go out through an outbox.
PersistenceShort answerAdvanced
Chat in a secondhand marketplace app has to work for reading and writing on the subway…
#offline-first #sync #outbox
iOS system designShort answerBasics
Design a simple notes app. Walk me through the architecture, how you store the data, and…
#offline-first #sync
ArchitectureShort answerAdvanced
This is a whiteboard design. You're building a stripped-down Outlook app with only a…
#repository #single-source-of-truth
iOS system designMultiple choiceAdvanced
In an offline-first to-do app, two devices edit the same item while offline and then…
#sync