Preact Signals in Dart

This skill covers the core reactive programming primitives and implementation patterns of the preact_signals package.

Related Documentation & Items

Related File	Description
signal.md	Standard writeable reactive state primitive containing value accessors, mutation mechanics, and basic custom options.
computed.md	Lazy, memoized read-only derived state signal tracking reactive dependencies dynamically.
effect.md	Synchronous observer managing active subscription loops, dynamic dependency updates, and lifecycle teardown.
readonly.md	Read-only signal views ensuring unidirectional data access flows.
batch.md	Transactional state mutation blocks optimizing reactive computations and preventing rendering/recompute churn.

The signals library exposes five core functions which are the building blocks to model any reactive business logic.