glot/src/examples/wildcard.js

EventEmitter with Promises and Generators

'use strict'
const Glot = require('../lib/glot');
const co = require('co');
const wait = require('co-wait');

var events = new Glot();

//Wildcard function listener
events.on('*', (evt, data) => {
	console.log(evt, data);
});

events.emit('foo', { bar: 'bam' });
events.emit('bam', { foo: 'bar' });

//Wildcard promise listener
events.on('*', (evt, data) => {
	return new Promise((resolve, reject) => {
		console.log(evt, data);
		
		setTimeout(() => { resolve(data) }, 2000);
	});
});

events.pmit('foo', { foo: 'bar' })
	.then((data) => console.log(data))
	.catch((err) => console.log(err.stack));
	
events.pmit('foo', { foo: 'bar' })
	.then((data) => console.log(data))
	.catch((err) => console.log(err.stack));
	

//Wildcard generator listener
events.on('*', function* (evt, data){
	console.log('on * generator:', data)
	yield wait(2000);
	return data;
});

co(function *() {
	try {
		let result = yield events.gmit('foo',  { gmit: 'foo1' });
		let result2 = yield events.gmit('bam',  { gmit: 'foo2' });
		
		console.log([...result, ...result2]);
	} catch(err) {
		console.log(err.stack);
	}
});