Function renderToStream

packages/next/src/server/app-render/app-render.tsx:2878–3629

(
  requestStore: RequestStore,
  req: BaseNextRequest,
  res: BaseNextResponse,
  ctx: AppRenderContext,
  tree: LoaderTree,
  formState: any,
  postponedState: PostponedState | null,
  metadata: AppPageRenderResultMetadata,
  createRequestStore: (() => RequestStore) | undefined,
  fallbackParams: OpaqueFallbackRouteParams | null
)

}

async function renderToStream(
  requestStore: RequestStore,
  req: BaseNextRequest,
  res: BaseNextResponse,
  ctx: AppRenderContext,
  tree: LoaderTree,
  formState: any,
  postponedState: PostponedState | null,
  metadata: AppPageRenderResultMetadata,
  createRequestStore: (() => RequestStore) | undefined,
  fallbackParams: OpaqueFallbackRouteParams | null
): Promise<ReadableStream<Uint8Array>> {
  /* eslint-disable @next/internal/no-ambiguous-jsx -- React Client */
  const {
    assetPrefix,
    htmlRequestId,
    nonce,
    pagePath,
    renderOpts,
    requestId,
    workStore,
  } = ctx

  const {
    basePath,
    buildManifest,
    ComponentMod: { createElement },
    crossOrigin,
    experimental,
    isBuildTimePrerendering = false,
    onInstrumentationRequestError,
    page,
    reactMaxHeadersLength,
    setReactDebugChannel,
    shouldWaitOnAllReady,
    subresourceIntegrityManifest,
    supportsDynamicResponse,
    cacheComponents,
  } = renderOpts

  const { cachedNavigations } = renderOpts.experimental

  const { ServerInsertedHTMLProvider, renderServerInsertedHTML } =
    createServerInsertedHTML()
  const getServerInsertedMetadata = createServerInsertedMetadata(nonce)

  const tracingMetadata = getTracedMetadata(
    getTracer().getTracePropagationData(),
    experimental.clientTraceMetadata
  )

  const polyfills: JSX.IntrinsicElements['script'][] =
    buildManifest.polyfillFiles
      .filter(
        (polyfill) =>
          polyfill.endsWith('.js') && !polyfill.endsWith('.module.js')
      )
      .map((polyfill) => ({