suaveplan/openspec/archive/2026-05-02-events-v1.1.0-port/tasks.md

Tasks — events v1.1.0 port

Core (@suaveplan/events)

• Add bufferSize option to EventBusOptions — replay buffered events to late subscribers
• Add wildcard option to EventBusOptions — pattern matching on event names
• Add iter(type, signal?) — async iteration over events
• Add prepend(type, listener) — prepend listener to dispatch queue
• Add listeners(type) — return copy of exact-match listeners
• Add listenerCount(type) — return exact-match listener count
• Add offAll(type?) — remove all listeners for a type or everything
• Fix once() → off() round-trip via WeakMap tracking
• Add concurrency option to EmitAsyncOptions (sequential / parallel / allSettled)
• Add maxListeners + errorSink to EventBusOptions
• Add EVENTS.LISTENER.MAX_EXCEEDED error code
• Implement Symbol.dispose on EventBus and Unsubscribe
• Update event-bus.md documentation
• Add tests for all new capabilities
• Type-check and test downstream dependents
• Update openspec/specs/events/spec.md

Acceptance

• 100% test coverage maintained on @suaveplan/events
• All downstream packages that import @suaveplan/events compile and test green
• No breaking changes to existing public API