11 · React / TypeScript
Forms, lists and effects
Validate forms and deliberately synchronise with an external browser function.
← ProjectsData flow
React / TypeScript · Lab
React Resilience Lab
Keep interfaces understandable during cancellation, offline work and conflicts.
Source availableArchitecture and data flow
- Intent
- IndexedDB outbox
- optimistic projection
- HTTP
- confirmed state
Stable command IDs prevent duplicate effects during replay. Version conflicts require an explicit user decision.
Code and evidence
Pinned source links show the implementation and existing test files. Startup commands and documented verification boundaries are in the README at the same version. This website audit is not a fresh CI run of every project.
- react-resilience-lab · incident-outbox.ts
- react-resilience-lab · command-executor.ts
- react-resilience-lab · create-app.ts
- react-resilience-lab · command-executor.test.ts
- react-resilience-lab · create-app.test.ts
- README · 306c7831
Licence: Apache-2.0 · Source checked on 12.10.2026
Learn through tutorials
14 · React / TypeScript
HTTP contracts and runtime validation
Distinguish transport failures, HTTP failures and invalid response data.
15 · React / TypeScript
Test components and repositories meaningfully
Verify a user action and identify failures only real database tests can find.
17 · React / TypeScript
Persistent optimistic UI, replay and conflicts
Persist intent before sending and prevent duplicate effects when a response is lost.