rong_event

Implements Web-standard events and a Node.js-style EventEmitter.

JS APIs

• Event — base event class
  • new Event(type, options?) — create an event
  • type / bubbles / cancelable / composed — event properties
• CustomEvent — event with custom data (extends Event)
  • new CustomEvent(type, options?) — create with optional detail
  • detail — custom event data
• EventTarget — Web-standard event target
  • addEventListener(type, listener, options?) — add a listener
  • removeEventListener(type, listener, options?) — remove a listener
  • dispatchEvent(event) — dispatch an event
• EventEmitter — Node.js-style emitter (extends EventTarget)
  • on(event, listener) / once(event, listener) — add listeners
  • off(event, listener) / removeListener(event, listener) — remove listeners
  • removeAllListeners(event?) — remove all listeners
  • prependListener(event, listener) / prependOnceListener(event, listener) — add at front
  • emit(event, ...args) — emit an event
  • eventNames() — list registered event names
  • listenerCount(event, listener?) — count listeners
  • setMaxListeners(n) / getMaxListeners() — configure listener limit