Add functionality to unbind events of specific child elements

[gabrielhpugliese]

As mentioned here, it would be nice to unbind events of specific child elements inside components, like:

this.on('click', { 
  buttonSelector: this.calculateShippingPrice,
  inputSelector: this.calculateShippingPrice 
});

this.off('buttonSelector', 'click'); // <--- this

[tgvashworth]

To differentiate between delegated and directly bound events, we'll probably need a syntax like this:

this.off('click', { 
  buttonSelector: this.calculateShippingPrice
});

[gabrielhpugliese]

What if I don't want to call this.calculateShippingPrice. How would the syntax be?

[giuseppeg]

This may be not that straightforward, because all we have is a function (the rules live in its closure).
https://github.com/flightjs/flight/blob/master/lib/utils.js#L235

[tgvashworth]

Yeah, this'll definitely require some redoing of the delegation stuff.