neva

Module: neva

Simple library to work with custom events.

(require("neva"))( [target])

Create event emitter or add methods to work with events into specified object.

Parameters:
Name Type Argument Description
target Object <optional>

Object that should be enhanced by methods to work with events. If target is not passed then new event emitter will be created and returned.
Returns:

Value of target parameter or new object that is enhanced by methods to work with events.

Type
module:neva~EventEmitter

Type Definitions

EventData

Data about emitted event.

Type:
  • Object
Properties:
Name Type Description
type string

The event type (value of type parameter passed in EventEmitterMixin.emit method).
params Array

List of additional parameters that are passed besides the event type in EventEmitterMixin.emit method.
data any

Value of the first additional parameter that is passed in EventEmitterMixin.emit method (value of params[0]).

EventEmitter

An object that has methods to work with events.

Type:
  • Object
Mixes In:

HandlerSettings

Event handler settings.

Type:
  • Object
Properties:
Name Type Argument Default Description
once boolean <optional>
 false

Whether event handler should be called just once.