Class HookEmitter

Lightweight typed event emitter for lifecycle events.

Simpler than HookRegistry — no priority, conditions, or safe mode. Use when you just need pub/sub notification.

Index

Constructors

Methods

on once off emit removeAllListeners

Constructors

constructor

new HookEmitter(): HookEmitter
Returns HookEmitter

Methods

on

on<E extends keyof HookEventMap>(event: E, listener: HookEventListener<E>): this
Register a persistent event listener.
Type Parameters
- E extends keyof HookEventMap
Parameters
- event: E
- listener: HookEventListener<E>
Returns this
- Defined in src/lifecycle.ts:287

once

once<E extends keyof HookEventMap>(
event: E,
listener: HookEventListener<E>,
): this
Register a one-shot event listener (auto-removed after first emit).
Type Parameters
- E extends keyof HookEventMap
Parameters
- event: E
- listener: HookEventListener<E>
Returns this
- Defined in src/lifecycle.ts:295

off

off<E extends keyof HookEventMap>(
event: E,
listener: HookEventListener<E>,
): this
Remove a specific listener from an event.
Type Parameters
- E extends keyof HookEventMap
Parameters
- event: E
- listener: HookEventListener<E>
Returns this
- Defined in src/lifecycle.ts:303

emit

emit<E extends keyof HookEventMap>(
event: E,
data: HookEventMap[E],
): Promise<void>
Emit an event, calling all registered listeners. Listener errors are isolated.
Type Parameters
- E extends keyof HookEventMap
Parameters
- event: E
- data: HookEventMap[E]
Returns Promise<void>
- Defined in src/lifecycle.ts:314

removeAllListeners

removeAllListeners(event?: keyof HookEventMap): this
Remove all listeners for an event (or all events if omitted).
Parameters
- Optionalevent: keyof HookEventMap
Returns this
- Defined in src/lifecycle.ts:336