Function maybeReadMore

lib/internal/streams/readable.js:871–876

(stream, state)

// However, if we're not ended, or reading, and the length < hwm,
// then go ahead and try to read some more preemptively.
function maybeReadMore(stream, state) {
  if ((state[kState] & (kReadingMore | kReading | kConstructed)) === kConstructed) {
    state[kState] |= kReadingMore;
    process.nextTick(maybeReadMore_, stream, state);
  }
}

function maybeReadMore_(stream, state) {
  // Attempt to read more data if we should.