simple-hooks-callback

Hooks with callback, works like events but with async callbacks and in order

Installation

npm install --save simple-hooks-callback

Usage

// get hooks class
var Hooks = require('simple-hooks-callback');
// start new hook instance with new hooks list
var hooks = new Hooks();

// your function
function function1 (data, cb){
  // do something ...
  console.log('function1', data);

  // then remember to call the callback, return cb(err); if you whant to returns error
  cb();
}

function function2 (data, cb){
  // do something ...
  console.log('function2', data);
  
  // timeout to simulate the async request
  setTimeout(function(){ 
    // then remember to call the callback
    cb();
  }, 1000);
}

// register one function to run on hook event
hooks.on('do-something', function1);
// register other function
hooks.on('do-something', function2);

// register one function to run on hook event
hooks.trigger('do-something', function AfterAll (err){
  if (err) throw err;

  console.log('doneAll')
  // all done
});

// un register the function1
hooks.off('do-something', function1);

License

MIT © Alberto Souza