[whatwg] Minor event-source (SSE) modification
ian at hixie.ch
Tue Apr 22 20:21:37 PDT 2008
On Mon, 21 Apr 2008, Michael Carter wrote:
> Unfortunately, the current Server-sent Events specification provides no
> way for a user of the event-source API to know the value of the
> lastEventId, thus making it impossible to send an ACK out-of-band. We
> have two proposals, either of which can solve this problem.
> 1) Expose the id attribute on each dispatched event. This allows us to
> send out-of-band ACKs as required. The downside is that we would need to
> extend the MessageEvent interface.
> 2) Expose an add/remove EventListener on the event-source dom element
> that dispatches whenever the last event id for an event source is
> changed. The event generated by a change in the last event id would have
> that id value as an attribute, as well as the href for the event source
> associated with the id.
Added MessageEvent.lastEventId to handle this case.
Thanks for the feedback,
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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