I'd use some kind of withReadable(stream, fn) helper
var bytes = stream.read(2);
doAsync(bytes, function(err, res) {
withReadable(stream, function () {
// stream is readable for sure
});
});
function withReadable(stream, callback) {
stream.once(callback);
stream.read(0);
}
On Monday, 1 July 2013 15:23:44 UTC+2, Gil Pedersen wrote:
>
> Hi,
>
> I have a case where I want to consume a Readable, by:
>
> 1. Read n bytes.
> 2. Process buffer using a function with an async callback.
> 3. When callback completes, goto 1.
>
> I fail to see any simple solution to what I feel must be a somewhat common
> use case. The standard "on('readable', function() { this.read(); ... })"
> doesn't apply, as I have no way of deferring future 'readable' emits once I
> have returned from the handler.
>
> Can it really be that the most sensible solution is to fall back to the
> old API, using pause() and resume()? or have I missed something?
>
> Regards,
> Gil
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