Function highWaterMarkFrom

lib/internal/streams/state.js:15–18

(options, isDuplex, duplexKey)

let defaultHighWaterMarkObjectMode = 16;

function highWaterMarkFrom(options, isDuplex, duplexKey) {
  return options.highWaterMark != null ? options.highWaterMark :
    isDuplex ? options[duplexKey] : null;
}

function getDefaultHighWaterMark(objectMode) {
  return objectMode ? defaultHighWaterMarkObjectMode : defaultHighWaterMarkBytes;