du.signals
Module for managing event subscriptions and emissions.Callbacks can be subscribed to signals and when an event of that signal is triggered, all subscribed callbacks are called.
subscribe
du.signals.subscribe(signals, callback)Subscribes a callback to one or multiple signal lists. If the signal does not exists yet, it is created as well.
| arg | type | description |
|---|---|---|
| signals | string Array | Single signal identifier or an array of signal identifiers. |
| callback | function | Callback to subscribe to signal list(s). |
emit
du.signals.emit(signal[, args])Emits a signal and calls all subscribed callbacks.
| arg | type | description |
|---|---|---|
| signal | string | Identifier of the signal to emit. |
| args | object | Arguments to pass to the triggered callbacks. optional |