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module.exports = function (stream, done) {
if (!stream) {
// no arguments, meaning stream = this
stream = this
} else if (typeof stream === 'function') {
// stream = this, callback passed
done = stream
stream = this
}
// if stream is already ended,
// return an array
if (!stream.readable) {
process.nextTick(function () {
done(null, [])
})
return defer
}
var arr = []
stream.on('data', onData)
stream.once('end', onEnd)
stream.once('error', onEnd)
stream.once('close', cleanup)
return defer
function defer(fn) {
done = fn
}
function onData(doc) {
arr.push(doc)
}
function onEnd(err) {
done(err, arr)
cleanup()
}
function cleanup() {
arr = null
stream.removeListener('data', onData)
stream.removeListener('end', onEnd)
stream.removeListener('error', onEnd)
stream.removeListener('close', cleanup)
}
}
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