@mangar2/callbacks v1.1.1

Abstract

This module provides a class to manage callbacks . Use it in Classes to support setting callbacks .

Contents

• Meta
• Class Callbacks
  • Parameters
  • Methods
    • hasCallback
    • invokeCallback
    • invokeCallbackAsync
    • on

Meta

Class Callbacks

new Callbacks(supportedEvents)

Creates a callback manager to manage callbacks and safely call them

Example

callbacks = new Callbacks(['publish'])
// register a callback
callbacks.on('publish', (param) => { console.log('called publish with ' + param) })
// invoke a callback
callbacks.invokeCallback('publish', 'a parameter')

Callbacks Parameters

Callbacks Methods

hasCallback

hasCallback (name) => {boolean}

Checks , if a callback is registered

hasCallback Parameters

hasCallback returns

invokeCallback

invokeCallback (event, param) => {any}

Calles a callback stored to an event , if registered

invokeCallback Parameters

invokeCallback returns

invokeCallbackAsync

async invokeCallbackAsync (event, param) => {any}

Callcs a callback stored to an event , if registered . It is the async version

invokeCallbackAsync Parameters

invokeCallbackAsync returns

on

on (event, callback)

Sets a callback .

on Parameters

on throws