Function createPendingSegment

packages/react-server/src/ReactFizzServer.js:955–976

(
  request: Request,
  index: number,
  boundary: null | SuspenseBoundary,
  parentFormatContext: FormatContext,
  lastPushedText: boolean,
  textEmbedded: boolean,
)

}

function createPendingSegment(
  request: Request,
  index: number,
  boundary: null | SuspenseBoundary,
  parentFormatContext: FormatContext,
  lastPushedText: boolean,
  textEmbedded: boolean,
): Segment {
  return {
    status: PENDING,
    parentFlushed: false,
    id: -1, // lazily assigned later
    index,
    chunks: [],
    children: [],
    preambleChildren: [],
    parentFormatContext,
    boundary,
    lastPushedText,
    textEmbedded,
  };
}

function getCurrentStackInDEV(): string {
  if (__DEV__) {