pwn

A <100 SLOC mangling of a JavaScript eventing system.

• Delegate to it from your own constructed objects!

pwn your objects using obj.prototype = Object.create(pwn); That's right - don't even worry about your constructor - that's some pseudo-classical garbage. You pwned it.

• Register new event listeners

// obj.on(event, callback, context)

obj.on('change', func, this); // register listener with this context
obj.on('change', func); // register listener with obj's context

• Unregister old event listeners

// obj.off(event, callback, context)

obj.off('change', func, this); // remove like callbacks with like context
obj.off('change', func); // remove like callbacks with any context
obj.off('change'); // remove all registered listeners to 'change'
obj.off(); // remove all registered listeners to all events

• Set properties

// obj.set(property, value)

obj.set('frequency', 440) // returns 440
/**
 * Triggers callbacks registered to 'change'
 * as callback(obj, {
 *   p: property,
 *   w: wornValue, // (oldValue)
 *   n, value
 * })
 */

• Get properties

// obj.get(property, value)

obj.get('frequency') // returns 440

• Trigger events yourself

//obj.trigger(event, options)

obj.trigger('change', 'p', 'w', 'n', 'e', 'd');
/**
 * Triggers callbacks registered to 'change'
 * as callback(obj, 'p', 'w', 'n', 'e', 'd');
 */

They're even chainable (on, off, and trigger)!

Inspired by backbone.js.

Catch me on github or the interwebs.