@hamgom95/eventemitter

Simple EventEmitter implementation.

API Documentation

EventEmitter

Event emitter.

Kind: global class
Properties

| Name | Type | Description | | --- | --- | --- | | events | Map | Event listener map |

• EventEmitter
  • .on(event, listener, opts)
  • .off([event], [listener])
  • .emit(event, ...args)

eventEmitter.on(event, listener, opts)

Register event listener

Kind: instance method of EventEmitter

| Param | Type | Description | | --- | --- | --- | | event | string | Event name | | listener | function | Listener callback | | opts | Object | Options | | opts.prepend | boolean | Whether to prepend listener | | opts.once | boolean | Whether to use listener once only |

eventEmitter.off([event], [listener])

Unregister listener.

Kind: instance method of EventEmitter

| Param | Type | Description | | --- | --- | --- | | [event] | string | Event name. | | [listener] | function | Same function that was registered. |

eventEmitter.emit(event, ...args)

Emit event with arguments.

Kind: instance method of EventEmitter

| Param | Type | Description | | --- | --- | --- | | event | string | Event name. | | ...args | any | Arguments to pass to listeners. |