Function emitTimingChunk

packages/react-server/src/ReactFlightServer.js:5423–5447

(
  request: Request,
  id: number,
  timestamp: number,
)

}

function emitTimingChunk(
  request: Request,
  id: number,
  timestamp: number,
): void {
  if (!enableProfilerTimer || !enableComponentPerformanceTrack) {
    return;
  }
  request.pendingChunks++;
  const relativeTimestamp = timestamp - request.timeOrigin;
  const json = '{"time":' + relativeTimestamp + '}';
  if (request.debugDestination !== null) {
    // Outline the actual timing information to the debug channel.
    const outlinedId = request.nextChunkId++;
    const debugRow = outlinedId.toString(16) + ':' + json + '\n';
    request.pendingDebugChunks++;
    request.completedDebugChunks.push(stringToChunk(debugRow));
    const row =
      serializeRowHeader('D', id) + '"$' + outlinedId.toString(16) + '"\n';
    request.completedRegularChunks.push(stringToChunk(row));
  } else {
    const row = serializeRowHeader('D', id) + json + '\n';
    request.completedRegularChunks.push(stringToChunk(row));
  }
}

function advanceTaskTime(
  request: Request,