Re: [css-font-loading] FontFaceSet should inherit from EventTarget

On Fri, Jun 20, 2014 at 10:55 PM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
> On 6/21/14, 1:39 AM, Tab Atkins Jr. wrote:
>> I can do that, but aw, that's terrible.  Using inheritance for what is
>> clearly a functionality mix-in is just a terrible abuse. :/
>
> It really depends on what your goals are in terms of behavior.
>
> If a library hooks EventTarget.prototype.addEventListener to do some
> logging, would it expect addEventListener calls on a FontFaceSet to be
> logged?  If so, then you want inheritance, not a mix-in.

Right, I know how JS works, it's just a terrible pattern required by
JS's weak support for mix-ins.  I'll make the change, though.

~TJ