Is there a way to construct a transform pipe such that it can receive
multiple chunks before calling everything back?
It would be something like the following:
_transform = function(chunk,encoding,done) {
callExternalProcess(chunk,function(data) {
this.push(data);
done();
}
}
The "callExternalProcess" function may accumulate multiple chunks of data
before returning all back together. Thus, for 3 calls to _transform, there
would only be one call back to done(). (This would actually be processed
outside of node, so there is likely not a way to know which return chunk
goes with which source chunk.
What are the implications of structuring it with a generic callback?
_transform = function(chunk,encoding,done) {
callExternalProcess(chunk,function(data) {
this.push(data);
}
done();
}
_flush = function() {
// make sure everything is done.
}
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