import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime"; import { workAsyncStorage } from '../app-render/work-async-storage.external'; import React from 'react'; import RenderResult from '../render-result'; import { chainStreams, renderToInitialFizzStream, createDocumentClosingStream, continueFizzStream, continueDynamicPrerender, continueStaticPrerender, continueDynamicHTMLResume, streamToBuffer, streamToString } from '../stream-utils/node-web-streams-helper'; import { stripInternalQueries } from '../internal-utils'; import { NEXT_HMR_REFRESH_HEADER, NEXT_ROUTER_PREFETCH_HEADER, NEXT_ROUTER_STATE_TREE_HEADER, NEXT_ROUTER_STALE_TIME_HEADER, NEXT_URL, RSC_HEADER, NEXT_ROUTER_SEGMENT_PREFETCH_HEADER, NEXT_HMR_REFRESH_HASH_COOKIE, NEXT_DID_POSTPONE_HEADER } from '../../client/components/app-router-headers'; import { createMetadataContext } from '../../lib/metadata/metadata-context'; import { createRequestStoreForRender } from '../async-storage/request-store'; import { createWorkStore } from '../async-storage/work-store'; import { getAccessFallbackErrorTypeByStatus, getAccessFallbackHTTPStatus, isHTTPAccessFallbackError } from '../../client/components/http-access-fallback/http-access-fallback'; import { getURLFromRedirectError, getRedirectStatusCodeFromError } from '../../client/components/redirect'; import { isRedirectError } from '../../client/components/redirect-error'; import { getImplicitTags } from '../lib/implicit-tags'; import { AppRenderSpan, NextNodeServerSpan } from '../lib/trace/constants'; import { getTracer } from '../lib/trace/tracer'; import { FlightRenderResult } from './flight-render-result'; import { createFlightReactServerErrorHandler, createHTMLReactServerErrorHandler, createHTMLErrorHandler, isUserLandError, getDigestForWellKnownError } from './create-error-handler'; import { dynamicParamTypes } from './get-short-dynamic-param-type'; import { getSegmentParam } from './get-segment-param'; import { getScriptNonceFromHeader } from './get-script-nonce-from-header'; import { parseAndValidateFlightRouterState } from './parse-and-validate-flight-router-state'; import { createFlightRouterStateFromLoaderTree } from './create-flight-router-state-from-loader-tree'; import { handleAction } from './action-handler'; import { isBailoutToCSRError } from '../../shared/lib/lazy-dynamic/bailout-to-csr'; import { warn, error } from '../../build/output/log'; import { appendMutableCookies } from '../web/spec-extension/adapters/request-cookies'; import { createServerInsertedHTML } from './server-inserted-html'; import { getRequiredScripts } from './required-scripts'; import { addPathPrefix } from '../../shared/lib/router/utils/add-path-prefix'; import { makeGetServerInsertedHTML } from './make-get-server-inserted-html'; import { walkTreeWithFlightRouterState } from './walk-tree-with-flight-router-state'; import { createComponentTree, getRootParams } from './create-component-tree'; import { getAssetQueryString } from './get-asset-query-string'; import { getServerModuleMap, setReferenceManifestsSingleton } from './encryption-utils'; import { DynamicState, DynamicHTMLPreludeState, parsePostponedState } from './postponed-state'; import { getDynamicDataPostponedState, getDynamicHTMLPostponedState, getPostponedFromState } from './postponed-state'; import { isDynamicServerError } from '../../client/components/hooks-server-context'; import { useFlightStream, createInlinedDataReadableStream } from './use-flight-response'; import { StaticGenBailoutError, isStaticGenBailoutError } from '../../client/components/static-generation-bailout'; import { getStackWithoutErrorMessage } from '../../lib/format-server-error'; import { accessedDynamicData, createRenderInBrowserAbortSignal, formatDynamicAPIAccesses, isPrerenderInterruptedError, createDynamicTrackingState, createDynamicValidationState, trackAllowedDynamicAccess, throwIfDisallowedDynamic, PreludeState, consumeDynamicAccess, logDisallowedDynamicError, warnOnSyncDynamicError } from './dynamic-rendering'; import { getClientComponentLoaderMetrics, wrapClientComponentLoader } from '../client-component-renderer-logger'; import { createServerModuleMap } from './action-utils'; import { isNodeNextRequest } from '../base-http/helpers'; import { parseRelativeUrl } from '../../shared/lib/router/utils/parse-relative-url'; import AppRouter from '../../client/components/app-router'; import { getIsPossibleServerAction } from '../lib/server-action-request-meta'; import { createInitialRouterState } from '../../client/components/router-reducer/create-initial-router-state'; import { createMutableActionQueue } from '../../client/components/app-router-instance'; import { getRevalidateReason } from '../instrumentation/utils'; import { PAGE_SEGMENT_KEY } from '../../shared/lib/segment'; import { prerenderAndAbortInSequentialTasksWithStages, processPrelude } from './app-render-prerender-utils'; import { ReactServerResult, createReactServerPrerenderResult, createReactServerPrerenderResultFromRender, prerenderAndAbortInSequentialTasks } from './app-render-prerender-utils'; import { printDebugThrownValueForProspectiveRender } from './prospective-render-utils'; import { scheduleInSequentialTasks } from './app-render-render-utils'; import { waitAtLeastOneReactRenderTask } from '../../lib/scheduler'; import { workUnitAsyncStorage } from './work-unit-async-storage.external'; import { CacheSignal } from './cache-signal'; import { getTracedMetadata } from '../lib/trace/utils'; import { InvariantError } from '../../shared/lib/invariant-error'; import { HTML_CONTENT_TYPE_HEADER, INFINITE_CACHE } from '../../lib/constants'; import { createComponentStylesAndScripts } from './create-component-styles-and-scripts'; import { parseLoaderTree } from './parse-loader-tree'; import { createPrerenderResumeDataCache, createRenderResumeDataCache } from '../resume-data-cache/resume-data-cache'; import isError from '../../lib/is-error'; import { createServerInsertedMetadata } from './metadata-insertion/create-server-inserted-metadata'; import { getPreviouslyRevalidatedTags } from '../server-utils'; import { executeRevalidates } from '../revalidation-utils'; import { trackPendingChunkLoad, trackPendingImport, trackPendingModules } from './module-loading/track-module-loading.external'; import { isReactLargeShellError } from './react-large-shell-error'; import { normalizeConventionFilePath } from './segment-explorer-path'; import { getRequestMeta } from '../request-meta'; import { getDynamicParam } from '../../shared/lib/router/utils/get-dynamic-param'; import { createPromiseWithResolvers } from '../../shared/lib/promise-with-resolvers'; const flightDataPathHeadKey = 'h'; const getFlightViewportKey = (requestId)=>requestId + 'v'; const getFlightMetadataKey = (requestId)=>requestId + 'm'; const filterStackFrame = process.env.NODE_ENV !== 'production' ? require('../lib/source-maps').filterStackFrameDEV : undefined; function parseRequestHeaders(headers, options) { const isDevWarmupRequest = options.isDevWarmup === true; // dev warmup requests are treated as prefetch RSC requests // runtime prefetch requests are *not* treated as prefetch requests // (TODO: this is confusing, we should refactor this to express this better) const isPrefetchRequest = isDevWarmupRequest || headers[NEXT_ROUTER_PREFETCH_HEADER] === '1'; const isRuntimePrefetchRequest = headers[NEXT_ROUTER_PREFETCH_HEADER] === '2'; const isHmrRefresh = headers[NEXT_HMR_REFRESH_HEADER] !== undefined; // dev warmup requests are treated as prefetch RSC requests const isRSCRequest = isDevWarmupRequest || headers[RSC_HEADER] !== undefined; const shouldProvideFlightRouterState = isRSCRequest && (!isPrefetchRequest || !options.isRoutePPREnabled); const flightRouterState = shouldProvideFlightRouterState ? parseAndValidateFlightRouterState(headers[NEXT_ROUTER_STATE_TREE_HEADER]) : undefined; // Checks if this is a prefetch of the Route Tree by the Segment Cache const isRouteTreePrefetchRequest = headers[NEXT_ROUTER_SEGMENT_PREFETCH_HEADER] === '/_tree'; const csp = headers['content-security-policy'] || headers['content-security-policy-report-only']; const nonce = typeof csp === 'string' ? getScriptNonceFromHeader(csp) : undefined; const previouslyRevalidatedTags = getPreviouslyRevalidatedTags(headers, options.previewModeId); return { flightRouterState, isPrefetchRequest, isRuntimePrefetchRequest, isRouteTreePrefetchRequest, isHmrRefresh, isRSCRequest, isDevWarmupRequest, nonce, previouslyRevalidatedTags }; } function createNotFoundLoaderTree(loaderTree) { const components = loaderTree[2]; const hasGlobalNotFound = !!components['global-not-found']; return [ '', { children: [ PAGE_SEGMENT_KEY, {}, { page: components['global-not-found'] ?? components['not-found'] } ] }, // When global-not-found is present, skip layout from components hasGlobalNotFound ? components : {} ]; } /** * Returns a function that parses the dynamic segment and return the associated value. */ function makeGetDynamicParamFromSegment(params, pagePath, fallbackRouteParams) { return function getDynamicParamFromSegment(// [slug] / [[slug]] / [...slug] segment) { const segmentParam = getSegmentParam(segment); if (!segmentParam) { return null; } const segmentKey = segmentParam.param; const dynamicParamType = dynamicParamTypes[segmentParam.type]; return getDynamicParam(params, segmentKey, dynamicParamType, pagePath, fallbackRouteParams); }; } function NonIndex({ pagePath, statusCode, isPossibleServerAction }) { const is404Page = pagePath === '/404'; const isInvalidStatusCode = typeof statusCode === 'number' && statusCode > 400; // Only render noindex for page request, skip for server actions // TODO: is this correct if `isPossibleServerAction` is a false positive? if (!isPossibleServerAction && (is404Page || isInvalidStatusCode)) { return /*#__PURE__*/ _jsx("meta", { name: "robots", content: "noindex" }); } return null; } /** * This is used by server actions & client-side navigations to generate RSC data from a client-side request. * This function is only called on "dynamic" requests (ie, there wasn't already a static response). * It uses request headers (namely `next-router-state-tree`) to determine where to start rendering. */ async function generateDynamicRSCPayload(ctx, options) { // Flight data that is going to be passed to the browser. // Currently a single item array but in the future multiple patches might be combined in a single request. // We initialize `flightData` to an empty string because the client router knows how to tolerate // it (treating it as an MPA navigation). The only time this function wouldn't generate flight data // is for server actions, if the server action handler instructs this function to skip it. When the server // action reducer sees a falsy value, it'll simply resolve the action with no data. let flightData = ''; const { componentMod: { tree: loaderTree, createMetadataComponents, MetadataBoundary, ViewportBoundary }, getDynamicParamFromSegment, appUsingSizeAdjustment, query, requestId, flightRouterState, workStore, url } = ctx; const serveStreamingMetadata = !!ctx.renderOpts.serveStreamingMetadata; if (!(options == null ? void 0 : options.skipFlight)) { const preloadCallbacks = []; const { ViewportTree, MetadataTree, getViewportReady, getMetadataReady, StreamingMetadataOutlet } = createMetadataComponents({ tree: loaderTree, parsedQuery: query, pathname: url.pathname, metadataContext: createMetadataContext(ctx.renderOpts), getDynamicParamFromSegment, appUsingSizeAdjustment, workStore, MetadataBoundary, ViewportBoundary, serveStreamingMetadata }); flightData = (await walkTreeWithFlightRouterState({ ctx, loaderTreeToFilter: loaderTree, parentParams: {}, flightRouterState, // For flight, render metadata inside leaf page rscHead: /*#__PURE__*/ _jsxs(React.Fragment, { children: [ /*#__PURE__*/ _jsx(NonIndex, { pagePath: ctx.pagePath, statusCode: ctx.res.statusCode, isPossibleServerAction: ctx.isPossibleServerAction }), /*#__PURE__*/ _jsx(ViewportTree, {}, getFlightViewportKey(requestId)), /*#__PURE__*/ _jsx(MetadataTree, {}, getFlightMetadataKey(requestId)) ] }, flightDataPathHeadKey), injectedCSS: new Set(), injectedJS: new Set(), injectedFontPreloadTags: new Set(), rootLayoutIncluded: false, getViewportReady, getMetadataReady, preloadCallbacks, StreamingMetadataOutlet })).map((path)=>path.slice(1)) // remove the '' (root) segment ; } // If we have an action result, then this is a server action response. // We can rely on this because `ActionResult` will always be a promise, even if // the result is falsey. if (options == null ? void 0 : options.actionResult) { return { a: options.actionResult, f: flightData, b: ctx.sharedContext.buildId }; } // Otherwise, it's a regular RSC response. return { b: ctx.sharedContext.buildId, f: flightData, S: workStore.isStaticGeneration }; } function createErrorContext(ctx, renderSource) { return { routerKind: 'App Router', routePath: ctx.pagePath, // TODO: is this correct if `isPossibleServerAction` is a false positive? routeType: ctx.isPossibleServerAction ? 'action' : 'render', renderSource, revalidateReason: getRevalidateReason(ctx.workStore) }; } /** * Produces a RenderResult containing the Flight data for the given request. See * `generateDynamicRSCPayload` for information on the contents of the render result. */ async function generateDynamicFlightRenderResult(req, ctx, requestStore, options) { const renderOpts = ctx.renderOpts; function onFlightDataRenderError(err) { return renderOpts.onInstrumentationRequestError == null ? void 0 : renderOpts.onInstrumentationRequestError.call(renderOpts, err, req, createErrorContext(ctx, 'react-server-components-payload')); } const onError = createFlightReactServerErrorHandler(!!renderOpts.dev, onFlightDataRenderError); const RSCPayload = await workUnitAsyncStorage.run(requestStore, generateDynamicRSCPayload, ctx, options); // For app dir, use the bundled version of Flight server renderer (renderToReadableStream) // which contains the subset React. const flightReadableStream = workUnitAsyncStorage.run(requestStore, ctx.componentMod.renderToReadableStream, RSCPayload, ctx.clientReferenceManifest.clientModules, { onError, temporaryReferences: options == null ? void 0 : options.temporaryReferences, filterStackFrame }); return new FlightRenderResult(flightReadableStream, { fetchMetrics: ctx.workStore.fetchMetrics }); } async function generateRuntimePrefetchResult(req, res, ctx, requestStore) { const { workStore } = ctx; const renderOpts = ctx.renderOpts; function onFlightDataRenderError(err) { return renderOpts.onInstrumentationRequestError == null ? void 0 : renderOpts.onInstrumentationRequestError.call(renderOpts, err, req, // TODO(runtime-ppr): should we use a different value? createErrorContext(ctx, 'react-server-components-payload')); } const onError = createFlightReactServerErrorHandler(false, onFlightDataRenderError); const metadata = {}; const generatePayload = ()=>generateDynamicRSCPayload(ctx, undefined); const { componentMod: { tree }, getDynamicParamFromSegment } = ctx; const rootParams = getRootParams(tree, getDynamicParamFromSegment); // We need to share caches between the prospective prerender and the final prerender, // but we're not going to persist this anywhere. const prerenderResumeDataCache = createPrerenderResumeDataCache(); // We're not resuming an existing render. const renderResumeDataCache = null; await prospectiveRuntimeServerPrerender(ctx, generatePayload, prerenderResumeDataCache, renderResumeDataCache, rootParams, requestStore.cookies, requestStore.draftMode); const response = await finalRuntimeServerPrerender(ctx, generatePayload, prerenderResumeDataCache, renderResumeDataCache, rootParams, requestStore.cookies, requestStore.draftMode, onError); applyMetadataFromPrerenderResult(response, metadata, workStore); metadata.fetchMetrics = ctx.workStore.fetchMetrics; if (response.isPartial) { res.setHeader(NEXT_DID_POSTPONE_HEADER, '1'); } return new FlightRenderResult(response.result.prelude, metadata); } async function prospectiveRuntimeServerPrerender(ctx, getPayload, prerenderResumeDataCache, renderResumeDataCache, rootParams, cookies, draftMode) { const { implicitTags, renderOpts, workStore } = ctx; const { clientReferenceManifest, ComponentMod } = renderOpts; assertClientReferenceManifest(clientReferenceManifest); // Prerender controller represents the lifetime of the prerender. // It will be aborted when a Task is complete or a synchronously aborting // API is called. Notably during cache-filling renders this does not actually // terminate the render itself which will continue until all caches are filled const initialServerPrerenderController = new AbortController(); // This controller represents the lifetime of the React render call. Notably // during the cache-filling render it is different from the prerender controller // because we don't want to end the react render until all caches are filled. const initialServerRenderController = new AbortController(); // The cacheSignal helps us track whether caches are still filling or we are ready // to cut the render off. const cacheSignal = new CacheSignal(); const initialServerPrerenderStore = { type: 'prerender-runtime', phase: 'render', rootParams, implicitTags, renderSignal: initialServerRenderController.signal, controller: initialServerPrerenderController, // During the initial prerender we need to track all cache reads to ensure // we render long enough to fill every cache it is possible to visit during // the final prerender. cacheSignal, // We only need to track dynamic accesses during the final prerender. dynamicTracking: null, // Runtime prefetches are never cached server-side, only client-side, // so we set `expire` and `revalidate` to their minimum values just in case. revalidate: 1, expire: 0, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], renderResumeDataCache, prerenderResumeDataCache, hmrRefreshHash: undefined, captureOwnerStack: undefined, // We only need task sequencing in the final prerender. runtimeStagePromise: null, // These are not present in regular prerenders, but allowed in a runtime prerender. cookies, draftMode }; // We're not going to use the result of this render because the only time it could be used // is if it completes in a microtask and that's likely very rare for any non-trivial app const initialServerPayload = await workUnitAsyncStorage.run(initialServerPrerenderStore, getPayload); const pendingInitialServerResult = workUnitAsyncStorage.run(initialServerPrerenderStore, ComponentMod.prerender, initialServerPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: (err)=>{ const digest = getDigestForWellKnownError(err); if (digest) { return digest; } if (initialServerPrerenderController.signal.aborted) { // The render aborted before this error was handled which indicates // the error is caused by unfinished components within the render return; } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { printDebugThrownValueForProspectiveRender(err, workStore.route); } }, // we don't care to track postpones during the prospective render because we need // to always do a final render anyway onPostpone: undefined, // We don't want to stop rendering until the cacheSignal is complete so we pass // a different signal to this render call than is used by dynamic APIs to signify // transitioning out of the prerender environment signal: initialServerRenderController.signal }); // Wait for all caches to be finished filling and for async imports to resolve trackPendingModules(cacheSignal); await cacheSignal.cacheReady(); initialServerRenderController.abort(); initialServerPrerenderController.abort(); // We don't need to continue the prerender process if we already // detected invalid dynamic usage in the initial prerender phase. if (workStore.invalidDynamicUsageError) { throw workStore.invalidDynamicUsageError; } try { return await createReactServerPrerenderResult(pendingInitialServerResult); } catch (err) { if (initialServerRenderController.signal.aborted || initialServerPrerenderController.signal.aborted) { // These are expected errors that might error the prerender. we ignore them. } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { // We don't normally log these errors because we are going to retry anyway but // it can be useful for debugging Next.js itself to get visibility here when needed printDebugThrownValueForProspectiveRender(err, workStore.route); } return null; } } async function finalRuntimeServerPrerender(ctx, getPayload, prerenderResumeDataCache, renderResumeDataCache, rootParams, cookies, draftMode, onError) { const { implicitTags, renderOpts } = ctx; const { clientReferenceManifest, ComponentMod, experimental, isDebugDynamicAccesses } = renderOpts; assertClientReferenceManifest(clientReferenceManifest); const selectStaleTime = createSelectStaleTime(experimental); let serverIsDynamic = false; const finalServerController = new AbortController(); const serverDynamicTracking = createDynamicTrackingState(isDebugDynamicAccesses); const { promise: runtimeStagePromise, resolve: resolveBlockedRuntimeAPIs } = createPromiseWithResolvers(); const finalServerPrerenderStore = { type: 'prerender-runtime', phase: 'render', rootParams, implicitTags, renderSignal: finalServerController.signal, controller: finalServerController, // All caches we could read must already be filled so no tracking is necessary cacheSignal: null, dynamicTracking: serverDynamicTracking, // Runtime prefetches are never cached server-side, only client-side, // so we set `expire` and `revalidate` to their minimum values just in case. revalidate: 1, expire: 0, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache, hmrRefreshHash: undefined, captureOwnerStack: undefined, // Used to separate the "Static" stage from the "Runtime" stage. runtimeStagePromise, // These are not present in regular prerenders, but allowed in a runtime prerender. cookies, draftMode }; const finalRSCPayload = await workUnitAsyncStorage.run(finalServerPrerenderStore, getPayload); let prerenderIsPending = true; const result = await prerenderAndAbortInSequentialTasksWithStages(async ()=>{ // Static stage const prerenderResult = await workUnitAsyncStorage.run(finalServerPrerenderStore, ComponentMod.prerender, finalRSCPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError, signal: finalServerController.signal }); prerenderIsPending = false; return prerenderResult; }, ()=>{ // Advance to the runtime stage. // // We make runtime APIs hang during the first task (above), and unblock them in the following task (here). // This makes sure that, at this point, we'll have finished all the static parts (what we'd prerender statically). // We know that they don't contain any incorrect sync IO, because that'd have caused a build error. // After we unblock Runtime APIs, if we encounter sync IO (e.g. `await cookies(); Date.now()`), // we'll abort, but we'll produce at least as much output as a static prerender would. resolveBlockedRuntimeAPIs(); }, ()=>{ // Abort. if (finalServerController.signal.aborted) { // If the server controller is already aborted we must have called something // that required aborting the prerender synchronously such as with new Date() serverIsDynamic = true; return; } if (prerenderIsPending) { // If prerenderIsPending then we have blocked for longer than a Task and we assume // there is something unfinished. serverIsDynamic = true; } finalServerController.abort(); }); warnOnSyncDynamicError(serverDynamicTracking); return { result, // TODO(runtime-ppr): do we need to produce a digest map here? // digestErrorsMap: ..., dynamicAccess: serverDynamicTracking, isPartial: serverIsDynamic, collectedRevalidate: finalServerPrerenderStore.revalidate, collectedExpire: finalServerPrerenderStore.expire, collectedStale: selectStaleTime(finalServerPrerenderStore.stale), collectedTags: finalServerPrerenderStore.tags }; } /** * Performs a "warmup" render of the RSC payload for a given route. This function is called by the server * prior to an actual render request in Dev mode only. It's purpose is to fill caches so the actual render * can accurately log activity in the right render context (Prerender vs Render). * * At the moment this implementation is mostly a fork of generateDynamicFlightRenderResult */ async function warmupDevRender(req, ctx) { const { clientReferenceManifest, componentMod: ComponentMod, getDynamicParamFromSegment, implicitTags, renderOpts, workStore } = ctx; const { allowEmptyStaticShell = false, dev, onInstrumentationRequestError } = renderOpts; if (!dev) { throw Object.defineProperty(new InvariantError('generateDynamicFlightRenderResult should never be called in `next start` mode.'), "__NEXT_ERROR_CODE", { value: "E523", enumerable: false, configurable: true }); } const rootParams = getRootParams(ComponentMod.tree, getDynamicParamFromSegment); function onFlightDataRenderError(err) { return onInstrumentationRequestError == null ? void 0 : onInstrumentationRequestError(err, req, createErrorContext(ctx, 'react-server-components-payload')); } const onError = createFlightReactServerErrorHandler(true, onFlightDataRenderError); // We're doing a dev warmup, so we should create a new resume data cache so // we can fill it. const prerenderResumeDataCache = createPrerenderResumeDataCache(); const renderController = new AbortController(); const prerenderController = new AbortController(); const reactController = new AbortController(); const cacheSignal = new CacheSignal(); const prerenderStore = { type: 'prerender', phase: 'render', rootParams, implicitTags, renderSignal: renderController.signal, controller: prerenderController, cacheSignal, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [], prerenderResumeDataCache, renderResumeDataCache: null, hmrRefreshHash: req.cookies[NEXT_HMR_REFRESH_HASH_COOKIE], captureOwnerStack: ComponentMod.captureOwnerStack, // warmup is a dev only feature and no fallback params are used in the // primary render which is static. We only use a prerender store here to // allow the warmup to halt on Request data APIs and fetches. fallbackRouteParams: null }; const rscPayload = await workUnitAsyncStorage.run(prerenderStore, generateDynamicRSCPayload, ctx); // For app dir, use the bundled version of Flight server renderer (renderToReadableStream) // which contains the subset React. workUnitAsyncStorage.run(prerenderStore, ComponentMod.renderToReadableStream, rscPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError, signal: renderController.signal }); // Wait for all caches to be finished filling and for async imports to resolve trackPendingModules(cacheSignal); await cacheSignal.cacheReady(); // We unset the cache so any late over-run renders aren't able to write into this cache prerenderStore.prerenderResumeDataCache = null; // Abort the render reactController.abort(); renderController.abort(); // We don't really want to return a result here but the stack of functions // that calls into renderToHTML... expects a result. We should refactor this to // lift the warmup pathway outside of renderToHTML... but for now this suffices return new FlightRenderResult('', { fetchMetrics: workStore.fetchMetrics, renderResumeDataCache: createRenderResumeDataCache(prerenderResumeDataCache) }); } /** * Crawlers will inadvertently think the canonicalUrl in the RSC payload should be crawled * when our intention is to just seed the router state with the current URL. * This function splits up the pathname so that we can later join it on * when we're ready to consume the path. */ function prepareInitialCanonicalUrl(url) { return (url.pathname + url.search).split('/'); } // This is the data necessary to render when no SSR errors are encountered async function getRSCPayload(tree, ctx, is404) { const injectedCSS = new Set(); const injectedJS = new Set(); const injectedFontPreloadTags = new Set(); let missingSlots; // We only track missing parallel slots in development if (process.env.NODE_ENV === 'development') { missingSlots = new Set(); } const { getDynamicParamFromSegment, query, appUsingSizeAdjustment, componentMod: { createMetadataComponents, MetadataBoundary, ViewportBoundary }, url, workStore } = ctx; const initialTree = createFlightRouterStateFromLoaderTree(tree, getDynamicParamFromSegment, query); const serveStreamingMetadata = !!ctx.renderOpts.serveStreamingMetadata; const hasGlobalNotFound = !!tree[2]['global-not-found']; const { ViewportTree, MetadataTree, getViewportReady, getMetadataReady, StreamingMetadataOutlet } = createMetadataComponents({ tree, // When it's using global-not-found, metadata errorType is undefined, which will retrieve the // metadata from the page. // When it's using not-found, metadata errorType is 'not-found', which will retrieve the // metadata from the not-found.js boundary. // TODO: remove this condition and keep it undefined when global-not-found is stabilized. errorType: is404 && !hasGlobalNotFound ? 'not-found' : undefined, parsedQuery: query, pathname: url.pathname, metadataContext: createMetadataContext(ctx.renderOpts), getDynamicParamFromSegment, appUsingSizeAdjustment, workStore, MetadataBoundary, ViewportBoundary, serveStreamingMetadata }); const preloadCallbacks = []; const seedData = await createComponentTree({ ctx, loaderTree: tree, parentParams: {}, injectedCSS, injectedJS, injectedFontPreloadTags, rootLayoutIncluded: false, getViewportReady, getMetadataReady, missingSlots, preloadCallbacks, authInterrupts: ctx.renderOpts.experimental.authInterrupts, StreamingMetadataOutlet }); // When the `vary` response header is present with `Next-URL`, that means there's a chance // it could respond differently if there's an interception route. We provide this information // to `AppRouter` so that it can properly seed the prefetch cache with a prefix, if needed. const varyHeader = ctx.res.getHeader('vary'); const couldBeIntercepted = typeof varyHeader === 'string' && varyHeader.includes(NEXT_URL); const initialHead = /*#__PURE__*/ _jsxs(React.Fragment, { children: [ /*#__PURE__*/ _jsx(NonIndex, { pagePath: ctx.pagePath, statusCode: ctx.res.statusCode, isPossibleServerAction: ctx.isPossibleServerAction }), /*#__PURE__*/ _jsx(ViewportTree, {}), /*#__PURE__*/ _jsx(MetadataTree, {}) ] }, flightDataPathHeadKey); const { GlobalError, styles: globalErrorStyles } = await getGlobalErrorStyles(tree, ctx); // Assume the head we're rendering contains only partial data if PPR is // enabled and this is a statically generated response. This is used by the // client Segment Cache after a prefetch to determine if it can skip the // second request to fill in the dynamic data. // // See similar comment in create-component-tree.tsx for more context. const isPossiblyPartialHead = workStore.isStaticGeneration && ctx.renderOpts.experimental.isRoutePPREnabled === true; return { // See the comment above the `Preloads` component (below) for why this is part of the payload P: /*#__PURE__*/ _jsx(Preloads, { preloadCallbacks: preloadCallbacks }), b: ctx.sharedContext.buildId, p: ctx.assetPrefix, c: prepareInitialCanonicalUrl(url), i: !!couldBeIntercepted, f: [ [ initialTree, seedData, initialHead, isPossiblyPartialHead ] ], m: missingSlots, G: [ GlobalError, globalErrorStyles ], s: typeof ctx.renderOpts.postponed === 'string', S: workStore.isStaticGeneration }; } /** * Preload calls (such as `ReactDOM.preloadStyle` and `ReactDOM.preloadFont`) need to be called during rendering * in order to create the appropriate preload tags in the DOM, otherwise they're a no-op. Since we invoke * renderToReadableStream with a function that returns component props rather than a component itself, we use * this component to "render " the preload calls. */ function Preloads({ preloadCallbacks }) { preloadCallbacks.forEach((preloadFn)=>preloadFn()); return null; } // This is the data necessary to render when an error state is triggered async function getErrorRSCPayload(tree, ctx, ssrError, errorType) { const { getDynamicParamFromSegment, query, appUsingSizeAdjustment, componentMod: { createMetadataComponents, MetadataBoundary, ViewportBoundary }, url, workStore } = ctx; const serveStreamingMetadata = !!ctx.renderOpts.serveStreamingMetadata; const { MetadataTree, ViewportTree } = createMetadataComponents({ tree, parsedQuery: query, pathname: url.pathname, metadataContext: createMetadataContext(ctx.renderOpts), errorType, getDynamicParamFromSegment, appUsingSizeAdjustment, workStore, MetadataBoundary, ViewportBoundary, serveStreamingMetadata: serveStreamingMetadata }); const initialHead = /*#__PURE__*/ _jsxs(React.Fragment, { children: [ /*#__PURE__*/ _jsx(NonIndex, { pagePath: ctx.pagePath, statusCode: ctx.res.statusCode, isPossibleServerAction: ctx.isPossibleServerAction }), /*#__PURE__*/ _jsx(ViewportTree, {}), process.env.NODE_ENV === 'development' && /*#__PURE__*/ _jsx("meta", { name: "next-error", content: "not-found" }), /*#__PURE__*/ _jsx(MetadataTree, {}) ] }, flightDataPathHeadKey); const initialTree = createFlightRouterStateFromLoaderTree(tree, getDynamicParamFromSegment, query); let err = undefined; if (ssrError) { err = isError(ssrError) ? ssrError : Object.defineProperty(new Error(ssrError + ''), "__NEXT_ERROR_CODE", { value: "E394", enumerable: false, configurable: true }); } // For metadata notFound error there's no global not found boundary on top // so we create a not found page with AppRouter const seedData = [ initialTree[0], /*#__PURE__*/ _jsxs("html", { id: "__next_error__", children: [ /*#__PURE__*/ _jsx("head", {}), /*#__PURE__*/ _jsx("body", { children: process.env.NODE_ENV !== 'production' && err ? /*#__PURE__*/ _jsx("template", { "data-next-error-message": err.message, "data-next-error-digest": 'digest' in err ? err.digest : '', "data-next-error-stack": err.stack }) : null }) ] }), {}, null, false ]; const { GlobalError, styles: globalErrorStyles } = await getGlobalErrorStyles(tree, ctx); const isPossiblyPartialHead = workStore.isStaticGeneration && ctx.renderOpts.experimental.isRoutePPREnabled === true; return { b: ctx.sharedContext.buildId, p: ctx.assetPrefix, c: prepareInitialCanonicalUrl(url), m: undefined, i: false, f: [ [ initialTree, seedData, initialHead, isPossiblyPartialHead ] ], G: [ GlobalError, globalErrorStyles ], s: typeof ctx.renderOpts.postponed === 'string', S: workStore.isStaticGeneration }; } function assertClientReferenceManifest(clientReferenceManifest) { if (!clientReferenceManifest) { throw Object.defineProperty(new InvariantError('Expected clientReferenceManifest to be defined.'), "__NEXT_ERROR_CODE", { value: "E692", enumerable: false, configurable: true }); } } // This component must run in an SSR context. It will render the RSC root component function App({ reactServerStream, preinitScripts, clientReferenceManifest, ServerInsertedHTMLProvider, nonce }) { preinitScripts(); const response = React.use(useFlightStream(reactServerStream, clientReferenceManifest, nonce)); const initialState = createInitialRouterState({ // This is not used during hydration, so we don't have to pass a // real timestamp. navigatedAt: -1, initialFlightData: response.f, initialCanonicalUrlParts: response.c, initialParallelRoutes: new Map(), // location is not initialized in the SSR render // it's set to window.location during hydration location: null, couldBeIntercepted: response.i, postponed: response.s, prerendered: response.S }); const actionQueue = createMutableActionQueue(initialState, null); const { HeadManagerContext } = require('../../shared/lib/head-manager-context.shared-runtime'); return /*#__PURE__*/ _jsx(HeadManagerContext.Provider, { value: { appDir: true, nonce }, children: /*#__PURE__*/ _jsx(ServerInsertedHTMLProvider, { children: /*#__PURE__*/ _jsx(AppRouter, { actionQueue: actionQueue, globalErrorState: response.G, assetPrefix: response.p }) }) }); } // @TODO our error stream should be probably just use the same root component. But it was previously // different I don't want to figure out if that is meaningful at this time so just keeping the behavior // consistent for now. function ErrorApp({ reactServerStream, preinitScripts, clientReferenceManifest, ServerInsertedHTMLProvider, nonce }) { preinitScripts(); const response = React.use(useFlightStream(reactServerStream, clientReferenceManifest, nonce)); const initialState = createInitialRouterState({ // This is not used during hydration, so we don't have to pass a // real timestamp. navigatedAt: -1, initialFlightData: response.f, initialCanonicalUrlParts: response.c, initialParallelRoutes: new Map(), // location is not initialized in the SSR render // it's set to window.location during hydration location: null, couldBeIntercepted: response.i, postponed: response.s, prerendered: response.S }); const actionQueue = createMutableActionQueue(initialState, null); return /*#__PURE__*/ _jsx(ServerInsertedHTMLProvider, { children: /*#__PURE__*/ _jsx(AppRouter, { actionQueue: actionQueue, globalErrorState: response.G, assetPrefix: response.p }) }); } async function renderToHTMLOrFlightImpl(req, res, url, pagePath, query, renderOpts, workStore, parsedRequestHeaders, postponedState, serverComponentsHmrCache, sharedContext, fallbackRouteParams) { const isNotFoundPath = pagePath === '/404'; if (isNotFoundPath) { res.statusCode = 404; } // A unique request timestamp used by development to ensure that it's // consistent and won't change during this request. This is important to // avoid that resources can be deduped by React Float if the same resource is // rendered or preloaded multiple times: ``. const requestTimestamp = Date.now(); const { clientReferenceManifest, serverActionsManifest, ComponentMod, nextFontManifest, serverActions, assetPrefix = '', enableTainting } = renderOpts; // We need to expose the bundled `require` API globally for // react-server-dom-webpack. This is a hack until we find a better way. if (ComponentMod.__next_app__) { const instrumented = wrapClientComponentLoader(ComponentMod); // When we are prerendering if there is a cacheSignal for tracking // cache reads we track calls to `loadChunk` and `require`. This allows us // to treat chunk/module loading with similar semantics as cache reads to avoid // module loading from causing a prerender to abort too early. const shouldTrackModuleLoading = ()=>{ if (!renderOpts.experimental.cacheComponents) { return false; } if (renderOpts.dev) { return true; } const workUnitStore = workUnitAsyncStorage.getStore(); if (!workUnitStore) { return false; } switch(workUnitStore.type){ case 'prerender': case 'prerender-client': case 'prerender-runtime': case 'cache': case 'private-cache': return true; case 'prerender-ppr': case 'prerender-legacy': case 'request': case 'unstable-cache': return false; default: workUnitStore; } }; const __next_require__ = (...args)=>{ const exportsOrPromise = instrumented.require(...args); if (shouldTrackModuleLoading()) { // requiring an async module returns a promise. trackPendingImport(exportsOrPromise); } return exportsOrPromise; }; // @ts-expect-error globalThis.__next_require__ = __next_require__; const __next_chunk_load__ = (...args)=>{ const loadingChunk = instrumented.loadChunk(...args); if (shouldTrackModuleLoading()) { trackPendingChunkLoad(loadingChunk); } return loadingChunk; }; // @ts-expect-error globalThis.__next_chunk_load__ = __next_chunk_load__; } if (process.env.NODE_ENV === 'development') { // reset isr status at start of request const { pathname } = new URL(req.url || '/', 'http://n'); renderOpts.setIsrStatus == null ? void 0 : renderOpts.setIsrStatus.call(renderOpts, pathname, null); } if (// The type check here ensures that `req` is correctly typed, and the // environment variable check provides dead code elimination. process.env.NEXT_RUNTIME !== 'edge' && isNodeNextRequest(req)) { res.onClose(()=>{ // We stop tracking fetch metrics when the response closes, since we // report them at that time. workStore.shouldTrackFetchMetrics = false; }); req.originalRequest.on('end', ()=>{ if ('performance' in globalThis) { const metrics = getClientComponentLoaderMetrics({ reset: true }); if (metrics) { getTracer().startSpan(NextNodeServerSpan.clientComponentLoading, { startTime: metrics.clientComponentLoadStart, attributes: { 'next.clientComponentLoadCount': metrics.clientComponentLoadCount, 'next.span_type': NextNodeServerSpan.clientComponentLoading } }).end(metrics.clientComponentLoadStart + metrics.clientComponentLoadTimes); } } }); } const metadata = { statusCode: isNotFoundPath ? 404 : undefined }; const appUsingSizeAdjustment = !!(nextFontManifest == null ? void 0 : nextFontManifest.appUsingSizeAdjust); assertClientReferenceManifest(clientReferenceManifest); const serverModuleMap = createServerModuleMap({ serverActionsManifest }); setReferenceManifestsSingleton({ page: workStore.page, clientReferenceManifest, serverActionsManifest, serverModuleMap }); ComponentMod.patchFetch(); // Pull out the hooks/references from the component. const { tree: loaderTree, taintObjectReference } = ComponentMod; if (enableTainting) { taintObjectReference('Do not pass process.env to Client Components since it will leak sensitive data', process.env); } workStore.fetchMetrics = []; metadata.fetchMetrics = workStore.fetchMetrics; // don't modify original query object query = { ...query }; stripInternalQueries(query); const { flightRouterState, isPrefetchRequest, isRuntimePrefetchRequest, isRSCRequest, isDevWarmupRequest, isHmrRefresh, nonce } = parsedRequestHeaders; const { isStaticGeneration } = workStore; /** * The metadata items array created in next-app-loader with all relevant information * that we need to resolve the final metadata. */ let requestId; if (isStaticGeneration) { requestId = Buffer.from(await crypto.subtle.digest('SHA-1', Buffer.from(req.url))).toString('hex'); } else if (process.env.NEXT_RUNTIME === 'edge') { requestId = crypto.randomUUID(); } else { requestId = require('next/dist/compiled/nanoid').nanoid(); } /** * Dynamic parameters. E.g. when you visit `/dashboard/vercel` which is rendered by `/dashboard/[slug]` the value will be {"slug": "vercel"}. */ const params = renderOpts.params ?? {}; const getDynamicParamFromSegment = makeGetDynamicParamFromSegment(params, pagePath, fallbackRouteParams); const isPossibleActionRequest = getIsPossibleServerAction(req); const implicitTags = await getImplicitTags(workStore.page, url, fallbackRouteParams); const ctx = { componentMod: ComponentMod, url, renderOpts, workStore, parsedRequestHeaders, getDynamicParamFromSegment, query, isPrefetch: isPrefetchRequest, isPossibleServerAction: isPossibleActionRequest, requestTimestamp, appUsingSizeAdjustment, flightRouterState, requestId, pagePath, clientReferenceManifest, assetPrefix, isNotFoundPath, nonce, res, sharedContext, implicitTags }; getTracer().setRootSpanAttribute('next.route', pagePath); if (isStaticGeneration) { // We're either building or revalidating. In either case we need to // prerender our page rather than render it. const prerenderToStreamWithTracing = getTracer().wrap(AppRenderSpan.getBodyResult, { spanName: `prerender route (app) ${pagePath}`, attributes: { 'next.route': pagePath } }, prerenderToStream); const response = await prerenderToStreamWithTracing(req, res, ctx, metadata, loaderTree, fallbackRouteParams); // If we're debugging partial prerendering, print all the dynamic API accesses // that occurred during the render. // @TODO move into renderToStream function if (response.dynamicAccess && accessedDynamicData(response.dynamicAccess) && renderOpts.isDebugDynamicAccesses) { warn('The following dynamic usage was detected:'); for (const access of formatDynamicAPIAccesses(response.dynamicAccess)){ warn(access); } } // If we encountered any unexpected errors during build we fail the // prerendering phase and the build. if (workStore.invalidDynamicUsageError) { logDisallowedDynamicError(workStore, workStore.invalidDynamicUsageError); throw new StaticGenBailoutError(); } if (response.digestErrorsMap.size) { const buildFailingError = response.digestErrorsMap.values().next().value; if (buildFailingError) throw buildFailingError; } // Pick first userland SSR error, which is also not a RSC error. if (response.ssrErrors.length) { const buildFailingError = response.ssrErrors.find((err)=>isUserLandError(err)); if (buildFailingError) throw buildFailingError; } const options = { metadata, contentType: HTML_CONTENT_TYPE_HEADER }; // If we have pending revalidates, wait until they are all resolved. if (workStore.pendingRevalidates || workStore.pendingRevalidateWrites || workStore.pendingRevalidatedTags) { const pendingPromise = executeRevalidates(workStore).finally(()=>{ if (process.env.NEXT_PRIVATE_DEBUG_CACHE) { console.log('pending revalidates promise finished for:', url); } }); if (renderOpts.waitUntil) { renderOpts.waitUntil(pendingPromise); } else { options.waitUntil = pendingPromise; } } applyMetadataFromPrerenderResult(response, metadata, workStore); if (response.renderResumeDataCache) { metadata.renderResumeDataCache = response.renderResumeDataCache; } return new RenderResult(await streamToString(response.stream), options); } else { // We're rendering dynamically const renderResumeDataCache = renderOpts.renderResumeDataCache ?? (postponedState == null ? void 0 : postponedState.renderResumeDataCache); const rootParams = getRootParams(loaderTree, ctx.getDynamicParamFromSegment); const devValidatingFallbackParams = getRequestMeta(req, 'devValidatingFallbackParams') || null; const requestStore = createRequestStoreForRender(req, res, url, rootParams, implicitTags, renderOpts.onUpdateCookies, renderOpts.previewProps, isHmrRefresh, serverComponentsHmrCache, renderResumeDataCache, devValidatingFallbackParams); if (process.env.NODE_ENV === 'development' && renderOpts.setIsrStatus && // The type check here ensures that `req` is correctly typed, and the // environment variable check provides dead code elimination. process.env.NEXT_RUNTIME !== 'edge' && isNodeNextRequest(req) && !isDevWarmupRequest) { const setIsrStatus = renderOpts.setIsrStatus; req.originalRequest.on('end', ()=>{ if (!requestStore.usedDynamic && !workStore.forceDynamic) { // only node can be ISR so we only need to update the status here const { pathname } = new URL(req.url || '/', 'http://n'); setIsrStatus(pathname, true); } }); } if (isDevWarmupRequest) { return warmupDevRender(req, ctx); } else if (isRSCRequest) { if (isRuntimePrefetchRequest) { return generateRuntimePrefetchResult(req, res, ctx, requestStore); } else { return generateDynamicFlightRenderResult(req, ctx, requestStore); } } const renderToStreamWithTracing = getTracer().wrap(AppRenderSpan.getBodyResult, { spanName: `render route (app) ${pagePath}`, attributes: { 'next.route': pagePath } }, renderToStream); let formState = null; if (isPossibleActionRequest) { // For action requests, we handle them differently with a special render result. const actionRequestResult = await handleAction({ req, res, ComponentMod, serverModuleMap, generateFlight: generateDynamicFlightRenderResult, workStore, requestStore, serverActions, ctx, metadata }); if (actionRequestResult) { if (actionRequestResult.type === 'not-found') { const notFoundLoaderTree = createNotFoundLoaderTree(loaderTree); res.statusCode = 404; metadata.statusCode = 404; const stream = await renderToStreamWithTracing(requestStore, req, res, ctx, notFoundLoaderTree, formState, postponedState, metadata, devValidatingFallbackParams); return new RenderResult(stream, { metadata, contentType: HTML_CONTENT_TYPE_HEADER }); } else if (actionRequestResult.type === 'done') { if (actionRequestResult.result) { actionRequestResult.result.assignMetadata(metadata); return actionRequestResult.result; } else if (actionRequestResult.formState) { formState = actionRequestResult.formState; } } } } const options = { metadata, contentType: HTML_CONTENT_TYPE_HEADER }; const stream = await renderToStreamWithTracing(requestStore, req, res, ctx, loaderTree, formState, postponedState, metadata, devValidatingFallbackParams); // Invalid dynamic usages should only error the request in development. // In production, it's better to produce a result. // (the dynamic error will still be thrown inside the component tree, but it's catchable by error boundaries) if (workStore.invalidDynamicUsageError && workStore.dev) { throw workStore.invalidDynamicUsageError; } // If we have pending revalidates, wait until they are all resolved. if (workStore.pendingRevalidates || workStore.pendingRevalidateWrites || workStore.pendingRevalidatedTags) { const pendingPromise = executeRevalidates(workStore).finally(()=>{ if (process.env.NEXT_PRIVATE_DEBUG_CACHE) { console.log('pending revalidates promise finished for:', url); } }); if (renderOpts.waitUntil) { renderOpts.waitUntil(pendingPromise); } else { options.waitUntil = pendingPromise; } } // Create the new render result for the response. return new RenderResult(stream, options); } } export const renderToHTMLOrFlight = (req, res, pagePath, query, fallbackRouteParams, renderOpts, serverComponentsHmrCache, isDevWarmup, sharedContext)=>{ var _renderOpts_previewProps; if (!req.url) { throw Object.defineProperty(new Error('Invalid URL'), "__NEXT_ERROR_CODE", { value: "E182", enumerable: false, configurable: true }); } const url = parseRelativeUrl(req.url, undefined, false); // We read these values from the request object as, in certain cases, // base-server will strip them to opt into different rendering behavior. const parsedRequestHeaders = parseRequestHeaders(req.headers, { isDevWarmup, isRoutePPREnabled: renderOpts.experimental.isRoutePPREnabled === true, previewModeId: (_renderOpts_previewProps = renderOpts.previewProps) == null ? void 0 : _renderOpts_previewProps.previewModeId }); const { isPrefetchRequest, previouslyRevalidatedTags } = parsedRequestHeaders; let postponedState = null; // If provided, the postpone state should be parsed so it can be provided to // React. if (typeof renderOpts.postponed === 'string') { if (fallbackRouteParams) { throw Object.defineProperty(new InvariantError('postponed state should not be provided when fallback params are provided'), "__NEXT_ERROR_CODE", { value: "E592", enumerable: false, configurable: true }); } postponedState = parsePostponedState(renderOpts.postponed, renderOpts.params); } if ((postponedState == null ? void 0 : postponedState.renderResumeDataCache) && renderOpts.renderResumeDataCache) { throw Object.defineProperty(new InvariantError('postponed state and dev warmup immutable resume data cache should not be provided together'), "__NEXT_ERROR_CODE", { value: "E589", enumerable: false, configurable: true }); } const workStore = createWorkStore({ page: renderOpts.routeModule.definition.page, renderOpts, // @TODO move to workUnitStore of type Request isPrefetchRequest, buildId: sharedContext.buildId, previouslyRevalidatedTags }); return workAsyncStorage.run(workStore, // The function to run renderToHTMLOrFlightImpl, // all of it's args req, res, url, pagePath, query, renderOpts, workStore, parsedRequestHeaders, postponedState, serverComponentsHmrCache, sharedContext, fallbackRouteParams); }; function applyMetadataFromPrerenderResult(response, metadata, workStore) { var _metadata_cacheControl; if (response.collectedTags) { metadata.fetchTags = response.collectedTags.join(','); } // Let the client router know how long to keep the cached entry around. const staleHeader = String(response.collectedStale); metadata.headers ??= {}; metadata.headers[NEXT_ROUTER_STALE_TIME_HEADER] = staleHeader; // If force static is specifically set to false, we should not revalidate // the page. if (workStore.forceStatic === false || response.collectedRevalidate === 0) { metadata.cacheControl = { revalidate: 0, expire: undefined }; } else { // Copy the cache control value onto the render result metadata. metadata.cacheControl = { revalidate: response.collectedRevalidate >= INFINITE_CACHE ? false : response.collectedRevalidate, expire: response.collectedExpire >= INFINITE_CACHE ? undefined : response.collectedExpire }; } // provide bailout info for debugging if (((_metadata_cacheControl = metadata.cacheControl) == null ? void 0 : _metadata_cacheControl.revalidate) === 0) { metadata.staticBailoutInfo = { description: workStore.dynamicUsageDescription, stack: workStore.dynamicUsageStack }; } } async function renderToStream(requestStore, req, res, ctx, tree, formState, postponedState, metadata, devValidatingFallbackParams) { const { assetPrefix, nonce, pagePath, renderOpts } = ctx; const { basePath, buildManifest, clientReferenceManifest, ComponentMod, crossOrigin, dev = false, experimental, nextExport = false, onInstrumentationRequestError, page, reactMaxHeadersLength, shouldWaitOnAllReady, subresourceIntegrityManifest, supportsDynamicResponse } = renderOpts; assertClientReferenceManifest(clientReferenceManifest); const { ServerInsertedHTMLProvider, renderServerInsertedHTML } = createServerInsertedHTML(); const getServerInsertedMetadata = createServerInsertedMetadata(nonce); const tracingMetadata = getTracedMetadata(getTracer().getTracePropagationData(), experimental.clientTraceMetadata); const polyfills = buildManifest.polyfillFiles.filter((polyfill)=>polyfill.endsWith('.js') && !polyfill.endsWith('.module.js')).map((polyfill)=>({ src: `${assetPrefix}/_next/${polyfill}${getAssetQueryString(ctx, false)}`, integrity: subresourceIntegrityManifest == null ? void 0 : subresourceIntegrityManifest[polyfill], crossOrigin, noModule: true, nonce })); const [preinitScripts, bootstrapScript] = getRequiredScripts(buildManifest, // Why is assetPrefix optional on renderOpts? // @TODO make it default empty string on renderOpts and get rid of it from ctx assetPrefix, crossOrigin, subresourceIntegrityManifest, getAssetQueryString(ctx, true), nonce, page); const reactServerErrorsByDigest = new Map(); const silenceLogger = false; function onHTMLRenderRSCError(err) { return onInstrumentationRequestError == null ? void 0 : onInstrumentationRequestError(err, req, createErrorContext(ctx, 'react-server-components')); } const serverComponentsErrorHandler = createHTMLReactServerErrorHandler(dev, nextExport, reactServerErrorsByDigest, silenceLogger, onHTMLRenderRSCError); function onHTMLRenderSSRError(err) { return onInstrumentationRequestError == null ? void 0 : onInstrumentationRequestError(err, req, createErrorContext(ctx, 'server-rendering')); } const allCapturedErrors = []; const htmlRendererErrorHandler = createHTMLErrorHandler(dev, nextExport, reactServerErrorsByDigest, allCapturedErrors, silenceLogger, onHTMLRenderSSRError); let reactServerResult = null; const setHeader = res.setHeader.bind(res); const appendHeader = res.appendHeader.bind(res); try { if (// We only want this behavior when running `next dev` dev && // We only want this behavior when we have React's dev builds available process.env.NODE_ENV === 'development' && // Edge routes never prerender so we don't have a Prerender environment for anything in edge runtime process.env.NEXT_RUNTIME !== 'edge' && // We only have a Prerender environment for projects opted into cacheComponents experimental.cacheComponents) { // This is a dynamic render. We don't do dynamic tracking because we're not prerendering const RSCPayload = await workUnitAsyncStorage.run(requestStore, getRSCPayload, tree, ctx, res.statusCode === 404); const [resolveValidation, validationOutlet] = createValidationOutlet(); RSCPayload._validation = validationOutlet; const reactServerStream = await workUnitAsyncStorage.run(requestStore, scheduleInSequentialTasks, ()=>{ requestStore.prerenderPhase = true; return ComponentMod.renderToReadableStream(RSCPayload, clientReferenceManifest.clientModules, { onError: serverComponentsErrorHandler, environmentName: ()=>requestStore.prerenderPhase === true ? 'Prerender' : 'Server', filterStackFrame }); }, ()=>{ requestStore.prerenderPhase = false; }); spawnDynamicValidationInDev(resolveValidation, tree, ctx, res.statusCode === 404, clientReferenceManifest, requestStore, devValidatingFallbackParams); reactServerResult = new ReactServerResult(reactServerStream); } else { // This is a dynamic render. We don't do dynamic tracking because we're not prerendering const RSCPayload = await workUnitAsyncStorage.run(requestStore, getRSCPayload, tree, ctx, res.statusCode === 404); reactServerResult = new ReactServerResult(workUnitAsyncStorage.run(requestStore, ComponentMod.renderToReadableStream, RSCPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: serverComponentsErrorHandler })); } // React doesn't start rendering synchronously but we want the RSC render to have a chance to start // before we begin SSR rendering because we want to capture any available preload headers so we tick // one task before continuing await waitAtLeastOneReactRenderTask(); // If provided, the postpone state should be parsed as JSON so it can be // provided to React. if (typeof renderOpts.postponed === 'string') { if ((postponedState == null ? void 0 : postponedState.type) === DynamicState.DATA) { // We have a complete HTML Document in the prerender but we need to // still include the new server component render because it was not included // in the static prelude. const inlinedReactServerDataStream = createInlinedDataReadableStream(reactServerResult.tee(), nonce, formState); return chainStreams(inlinedReactServerDataStream, createDocumentClosingStream()); } else if (postponedState) { // We assume we have dynamic HTML requiring a resume render to complete const { postponed, preludeState } = getPostponedFromState(postponedState); const resume = require('react-dom/server').resume; const htmlStream = await workUnitAsyncStorage.run(requestStore, resume, /*#__PURE__*/ _jsx(App, { reactServerStream: reactServerResult.tee(), preinitScripts: preinitScripts, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), postponed, { onError: htmlRendererErrorHandler, nonce }); const getServerInsertedHTML = makeGetServerInsertedHTML({ polyfills, renderServerInsertedHTML, serverCapturedErrors: allCapturedErrors, basePath, tracingMetadata: tracingMetadata }); return await continueDynamicHTMLResume(htmlStream, { // If the prelude is empty (i.e. is no static shell), we should wait for initial HTML to be rendered // to avoid injecting RSC data too early. // If we have a non-empty-prelude (i.e. a static HTML shell), then it's already been sent separately, // so we shouldn't wait for any HTML to be emitted from the resume before sending RSC data. delayDataUntilFirstHtmlChunk: preludeState === DynamicHTMLPreludeState.Empty, inlinedDataStream: createInlinedDataReadableStream(reactServerResult.consume(), nonce, formState), getServerInsertedHTML, getServerInsertedMetadata }); } } // This is a regular dynamic render const renderToReadableStream = require('react-dom/server').renderToReadableStream; const htmlStream = await workUnitAsyncStorage.run(requestStore, renderToReadableStream, /*#__PURE__*/ _jsx(App, { reactServerStream: reactServerResult.tee(), preinitScripts: preinitScripts, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), { onError: htmlRendererErrorHandler, nonce, onHeaders: (headers)=>{ headers.forEach((value, key)=>{ appendHeader(key, value); }); }, maxHeadersLength: reactMaxHeadersLength, bootstrapScripts: [ bootstrapScript ], formState }); const getServerInsertedHTML = makeGetServerInsertedHTML({ polyfills, renderServerInsertedHTML, serverCapturedErrors: allCapturedErrors, basePath, tracingMetadata: tracingMetadata }); /** * Rules of Static & Dynamic HTML: * * 1.) We must generate static HTML unless the caller explicitly opts * in to dynamic HTML support. * * 2.) If dynamic HTML support is requested, we must honor that request * or throw an error. It is the sole responsibility of the caller to * ensure they aren't e.g. requesting dynamic HTML for an AMP page. * * 3.) If `shouldWaitOnAllReady` is true, which indicates we need to * resolve all suspenses and generate a full HTML. e.g. when it's a * html limited bot requests, we produce the full HTML content. * * These rules help ensure that other existing features like request caching, * coalescing, and ISR continue working as intended. */ const generateStaticHTML = supportsDynamicResponse !== true || !!shouldWaitOnAllReady; return await continueFizzStream(htmlStream, { inlinedDataStream: createInlinedDataReadableStream(reactServerResult.consume(), nonce, formState), isStaticGeneration: generateStaticHTML, isBuildTimePrerendering: ctx.workStore.isBuildTimePrerendering === true, buildId: ctx.workStore.buildId, getServerInsertedHTML, getServerInsertedMetadata, validateRootLayout: dev }); } catch (err) { if (isStaticGenBailoutError(err) || typeof err === 'object' && err !== null && 'message' in err && typeof err.message === 'string' && err.message.includes('https://nextjs.org/docs/advanced-features/static-html-export')) { // Ensure that "next dev" prints the red error overlay throw err; } // If a bailout made it to this point, it means it wasn't wrapped inside // a suspense boundary. const shouldBailoutToCSR = isBailoutToCSRError(err); if (shouldBailoutToCSR) { const stack = getStackWithoutErrorMessage(err); error(`${err.reason} should be wrapped in a suspense boundary at page "${pagePath}". Read more: https://nextjs.org/docs/messages/missing-suspense-with-csr-bailout\n${stack}`); throw err; } let errorType; if (isHTTPAccessFallbackError(err)) { res.statusCode = getAccessFallbackHTTPStatus(err); metadata.statusCode = res.statusCode; errorType = getAccessFallbackErrorTypeByStatus(res.statusCode); } else if (isRedirectError(err)) { errorType = 'redirect'; res.statusCode = getRedirectStatusCodeFromError(err); metadata.statusCode = res.statusCode; const redirectUrl = addPathPrefix(getURLFromRedirectError(err), basePath); // If there were mutable cookies set, we need to set them on the // response. const headers = new Headers(); if (appendMutableCookies(headers, requestStore.mutableCookies)) { setHeader('set-cookie', Array.from(headers.values())); } setHeader('location', redirectUrl); } else if (!shouldBailoutToCSR) { res.statusCode = 500; metadata.statusCode = res.statusCode; } const [errorPreinitScripts, errorBootstrapScript] = getRequiredScripts(buildManifest, assetPrefix, crossOrigin, subresourceIntegrityManifest, getAssetQueryString(ctx, false), nonce, '/_not-found/page'); const errorRSCPayload = await workUnitAsyncStorage.run(requestStore, getErrorRSCPayload, tree, ctx, reactServerErrorsByDigest.has(err.digest) ? null : err, errorType); const errorServerStream = workUnitAsyncStorage.run(requestStore, ComponentMod.renderToReadableStream, errorRSCPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: serverComponentsErrorHandler }); if (reactServerResult === null) { // We errored when we did not have an RSC stream to read from. This is not just a render // error, we need to throw early throw err; } try { const fizzStream = await workUnitAsyncStorage.run(requestStore, renderToInitialFizzStream, { ReactDOMServer: require('react-dom/server'), element: /*#__PURE__*/ _jsx(ErrorApp, { reactServerStream: errorServerStream, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, preinitScripts: errorPreinitScripts, clientReferenceManifest: clientReferenceManifest, nonce: nonce }), streamOptions: { nonce, // Include hydration scripts in the HTML bootstrapScripts: [ errorBootstrapScript ], formState } }); /** * Rules of Static & Dynamic HTML: * * 1.) We must generate static HTML unless the caller explicitly opts * in to dynamic HTML support. * * 2.) If dynamic HTML support is requested, we must honor that request * or throw an error. It is the sole responsibility of the caller to * ensure they aren't e.g. requesting dynamic HTML for an AMP page. * 3.) If `shouldWaitOnAllReady` is true, which indicates we need to * resolve all suspenses and generate a full HTML. e.g. when it's a * html limited bot requests, we produce the full HTML content. * * These rules help ensure that other existing features like request caching, * coalescing, and ISR continue working as intended. */ const generateStaticHTML = supportsDynamicResponse !== true || !!shouldWaitOnAllReady; return await continueFizzStream(fizzStream, { inlinedDataStream: createInlinedDataReadableStream(// This is intentionally using the readable datastream from the // main render rather than the flight data from the error page // render reactServerResult.consume(), nonce, formState), isStaticGeneration: generateStaticHTML, isBuildTimePrerendering: ctx.workStore.isBuildTimePrerendering === true, buildId: ctx.workStore.buildId, getServerInsertedHTML: makeGetServerInsertedHTML({ polyfills, renderServerInsertedHTML, serverCapturedErrors: [], basePath, tracingMetadata: tracingMetadata }), getServerInsertedMetadata, validateRootLayout: dev }); } catch (finalErr) { if (process.env.NODE_ENV === 'development' && isHTTPAccessFallbackError(finalErr)) { const { bailOnRootNotFound } = require('../../client/components/dev-root-http-access-fallback-boundary'); bailOnRootNotFound(); } throw finalErr; } } } function createValidationOutlet() { let resolveValidation; let outlet = new Promise((resolve)=>{ resolveValidation = resolve; }); return [ resolveValidation, outlet ]; } /** * This function is a fork of prerenderToStream cacheComponents branch. * While it doesn't return a stream we want it to have identical * prerender semantics to prerenderToStream and should update it * in conjunction with any changes to that function. */ async function spawnDynamicValidationInDev(resolveValidation, tree, ctx, isNotFound, clientReferenceManifest, requestStore, fallbackRouteParams) { var _requestStore_cookies_get; const { componentMod: ComponentMod, getDynamicParamFromSegment, implicitTags, nonce, renderOpts, workStore } = ctx; const { allowEmptyStaticShell = false } = renderOpts; // These values are placeholder values for this validating render // that are provided during the actual prerenderToStream. const preinitScripts = ()=>{}; const { ServerInsertedHTMLProvider } = createServerInsertedHTML(); const rootParams = getRootParams(ComponentMod.tree, getDynamicParamFromSegment); const hmrRefreshHash = (_requestStore_cookies_get = requestStore.cookies.get(NEXT_HMR_REFRESH_HASH_COOKIE)) == null ? void 0 : _requestStore_cookies_get.value; // The prerender controller represents the lifetime of the prerender. It will // be aborted when a task is complete or a synchronously aborting API is // called. Notably, during prospective prerenders, this does not actually // terminate the prerender itself, which will continue until all caches are // filled. const initialServerPrerenderController = new AbortController(); // This controller is used to abort the React prerender. const initialServerReactController = new AbortController(); // This controller represents the lifetime of the React prerender. Its signal // can be used for any I/O operation to abort the I/O and/or to reject, when // prerendering aborts. This includes our own hanging promises for accessing // request data, and for fetch calls. It might be replaced in the future by // React.cacheSignal(). It's aborted after the React controller, so that no // pending I/O can register abort listeners that are called before React's // abort listener is called. This ensures that pending I/O is not rejected too // early when aborting the prerender. Notably, during the prospective // prerender, it is different from the prerender controller because we don't // want to end the React prerender until all caches are filled. const initialServerRenderController = new AbortController(); // The cacheSignal helps us track whether caches are still filling or we are // ready to cut the render off. const cacheSignal = new CacheSignal(); const captureOwnerStackClient = React.captureOwnerStack; const captureOwnerStackServer = ComponentMod.captureOwnerStack; // The resume data cache here should use a fresh instance as it's // performing a fresh prerender. If we get to implementing the // prerendering of an already prerendered page, we should use the passed // resume data cache instead. const prerenderResumeDataCache = createPrerenderResumeDataCache(); const initialServerPayloadPrerenderStore = { type: 'prerender', phase: 'render', rootParams, fallbackRouteParams, implicitTags, // While this render signal isn't going to be used to abort a React render while getting the RSC payload // various request data APIs bind to this controller to reject after completion. renderSignal: initialServerRenderController.signal, // When we generate the RSC payload we might abort this controller due to sync IO // but we don't actually care about sync IO in this phase so we use a throw away controller // that isn't connected to anything controller: new AbortController(), // During the initial prerender we need to track all cache reads to ensure // we render long enough to fill every cache it is possible to visit during // the final prerender. cacheSignal, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache: null, hmrRefreshHash, captureOwnerStack: captureOwnerStackServer }; // We're not going to use the result of this render because the only time it could be used // is if it completes in a microtask and that's likely very rare for any non-trivial app const initialServerPayload = await workUnitAsyncStorage.run(initialServerPayloadPrerenderStore, getRSCPayload, tree, ctx, isNotFound); const initialServerPrerenderStore = { type: 'prerender', phase: 'render', rootParams, fallbackRouteParams, implicitTags, renderSignal: initialServerRenderController.signal, controller: initialServerPrerenderController, // During the initial prerender we need to track all cache reads to ensure // we render long enough to fill every cache it is possible to visit during // the final prerender. cacheSignal, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache: null, hmrRefreshHash, captureOwnerStack: captureOwnerStackServer }; const pendingInitialServerResult = workUnitAsyncStorage.run(initialServerPrerenderStore, ComponentMod.prerender, initialServerPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: (err)=>{ const digest = getDigestForWellKnownError(err); if (digest) { return digest; } if (isReactLargeShellError(err)) { // TODO: Aggregate console.error(err); return undefined; } if (initialServerPrerenderController.signal.aborted) { // The render aborted before this error was handled which indicates // the error is caused by unfinished components within the render return; } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { printDebugThrownValueForProspectiveRender(err, workStore.route); } }, // we don't care to track postpones during the prospective render because we need // to always do a final render anyway onPostpone: undefined, // We don't want to stop rendering until the cacheSignal is complete so we pass // a different signal to this render call than is used by dynamic APIs to signify // transitioning out of the prerender environment signal: initialServerReactController.signal }); // The listener to abort our own render controller must be added after React // has added its listener, to ensure that pending I/O is not aborted/rejected // too early. initialServerReactController.signal.addEventListener('abort', ()=>{ initialServerRenderController.abort(); }, { once: true }); // Wait for all caches to be finished filling and for async imports to resolve trackPendingModules(cacheSignal); await cacheSignal.cacheReady(); initialServerReactController.abort(); // We don't need to continue the prerender process if we already // detected invalid dynamic usage in the initial prerender phase. const { invalidDynamicUsageError } = workStore; if (invalidDynamicUsageError) { resolveValidation(/*#__PURE__*/ _jsx(LogSafely, { fn: ()=>{ console.error(invalidDynamicUsageError); } })); return; } let initialServerResult; try { initialServerResult = await createReactServerPrerenderResult(pendingInitialServerResult); } catch (err) { if (initialServerReactController.signal.aborted || initialServerPrerenderController.signal.aborted) { // These are expected errors that might error the prerender. we ignore them. } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { // We don't normally log these errors because we are going to retry anyway but // it can be useful for debugging Next.js itself to get visibility here when needed printDebugThrownValueForProspectiveRender(err, workStore.route); } } if (initialServerResult) { const initialClientPrerenderController = new AbortController(); const initialClientReactController = new AbortController(); const initialClientRenderController = new AbortController(); const initialClientPrerenderStore = { type: 'prerender-client', phase: 'render', rootParams, fallbackRouteParams, implicitTags, renderSignal: initialClientRenderController.signal, controller: initialClientPrerenderController, // For HTML Generation the only cache tracked activity // is module loading, which has it's own cache signal cacheSignal: null, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache: null, hmrRefreshHash: undefined, captureOwnerStack: captureOwnerStackClient }; const prerender = require('react-dom/static').prerender; const pendingInitialClientResult = workUnitAsyncStorage.run(initialClientPrerenderStore, prerender, /*#__PURE__*/ _jsx(App, { reactServerStream: initialServerResult.asUnclosingStream(), preinitScripts: preinitScripts, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), { signal: initialClientReactController.signal, onError: (err)=>{ const digest = getDigestForWellKnownError(err); if (digest) { return digest; } if (isReactLargeShellError(err)) { // TODO: Aggregate console.error(err); return undefined; } if (initialClientReactController.signal.aborted) { // These are expected errors that might error the prerender. we ignore them. } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { // We don't normally log these errors because we are going to retry anyway but // it can be useful for debugging Next.js itself to get visibility here when needed printDebugThrownValueForProspectiveRender(err, workStore.route); } } }); // The listener to abort our own render controller must be added after React // has added its listener, to ensure that pending I/O is not // aborted/rejected too early. initialClientReactController.signal.addEventListener('abort', ()=>{ initialClientRenderController.abort(); }, { once: true }); pendingInitialClientResult.catch((err)=>{ if (initialClientReactController.signal.aborted || isPrerenderInterruptedError(err)) { // These are expected errors that might error the prerender. we ignore them. } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { // We don't normally log these errors because we are going to retry anyway but // it can be useful for debugging Next.js itself to get visibility here when needed printDebugThrownValueForProspectiveRender(err, workStore.route); } }); // This is mostly needed for dynamic `import()`s in client components. // Promises passed to client were already awaited above (assuming that they came from cached functions) trackPendingModules(cacheSignal); await cacheSignal.cacheReady(); initialClientReactController.abort(); } const finalServerReactController = new AbortController(); const finalServerRenderController = new AbortController(); const finalServerPayloadPrerenderStore = { type: 'prerender', phase: 'render', rootParams, fallbackRouteParams, implicitTags, // While this render signal isn't going to be used to abort a React render while getting the RSC payload // various request data APIs bind to this controller to reject after completion. renderSignal: finalServerRenderController.signal, // When we generate the RSC payload we might abort this controller due to sync IO // but we don't actually care about sync IO in this phase so we use a throw away controller // that isn't connected to anything controller: new AbortController(), // All caches we could read must already be filled so no tracking is necessary cacheSignal: null, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache: null, hmrRefreshHash, captureOwnerStack: captureOwnerStackServer }; const finalAttemptRSCPayload = await workUnitAsyncStorage.run(finalServerPayloadPrerenderStore, getRSCPayload, tree, ctx, isNotFound); const serverDynamicTracking = createDynamicTrackingState(false // isDebugDynamicAccesses ); const finalServerPrerenderStore = { type: 'prerender', phase: 'render', rootParams, fallbackRouteParams, implicitTags, renderSignal: finalServerRenderController.signal, controller: finalServerReactController, // All caches we could read must already be filled so no tracking is necessary cacheSignal: null, dynamicTracking: serverDynamicTracking, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache: null, hmrRefreshHash, captureOwnerStack: captureOwnerStackServer }; const reactServerResult = await createReactServerPrerenderResult(prerenderAndAbortInSequentialTasks(async ()=>{ const pendingPrerenderResult = workUnitAsyncStorage.run(// The store to scope finalServerPrerenderStore, // The function to run ComponentMod.prerender, // ... the arguments for the function to run finalAttemptRSCPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: (err)=>{ if (finalServerReactController.signal.aborted && isPrerenderInterruptedError(err)) { return err.digest; } if (isReactLargeShellError(err)) { // TODO: Aggregate console.error(err); return undefined; } return getDigestForWellKnownError(err); }, signal: finalServerReactController.signal }); // The listener to abort our own render controller must be added after // React has added its listener, to ensure that pending I/O is not // aborted/rejected too early. finalServerReactController.signal.addEventListener('abort', ()=>{ finalServerRenderController.abort(); }, { once: true }); return pendingPrerenderResult; }, ()=>{ finalServerReactController.abort(); })); const clientDynamicTracking = createDynamicTrackingState(false //isDebugDynamicAccesses ); const finalClientReactController = new AbortController(); const finalClientRenderController = new AbortController(); const finalClientPrerenderStore = { type: 'prerender-client', phase: 'render', rootParams, fallbackRouteParams, implicitTags, renderSignal: finalClientRenderController.signal, controller: finalClientReactController, // No APIs require a cacheSignal through the workUnitStore during the HTML prerender cacheSignal: null, dynamicTracking: clientDynamicTracking, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache: null, hmrRefreshHash, captureOwnerStack: captureOwnerStackClient }; let dynamicValidation = createDynamicValidationState(); try { const prerender = require('react-dom/static').prerender; let { prelude: unprocessedPrelude } = await prerenderAndAbortInSequentialTasks(()=>{ const pendingFinalClientResult = workUnitAsyncStorage.run(finalClientPrerenderStore, prerender, /*#__PURE__*/ _jsx(App, { reactServerStream: reactServerResult.asUnclosingStream(), preinitScripts: preinitScripts, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), { signal: finalClientReactController.signal, onError: (err, errorInfo)=>{ if (isPrerenderInterruptedError(err) || finalClientReactController.signal.aborted) { const componentStack = errorInfo.componentStack; if (typeof componentStack === 'string') { trackAllowedDynamicAccess(workStore, componentStack, dynamicValidation, clientDynamicTracking); } return; } if (isReactLargeShellError(err)) { // TODO: Aggregate console.error(err); return undefined; } return getDigestForWellKnownError(err); } }); // The listener to abort our own render controller must be added after // React has added its listener, to ensure that pending I/O is not // aborted/rejected too early. finalClientReactController.signal.addEventListener('abort', ()=>{ finalClientRenderController.abort(); }, { once: true }); return pendingFinalClientResult; }, ()=>{ finalClientReactController.abort(); }); const { preludeIsEmpty } = await processPrelude(unprocessedPrelude); resolveValidation(/*#__PURE__*/ _jsx(LogSafely, { fn: throwIfDisallowedDynamic.bind(null, workStore, preludeIsEmpty ? PreludeState.Empty : PreludeState.Full, dynamicValidation, serverDynamicTracking) })); } catch (thrownValue) { // Even if the root errors we still want to report any cache components errors // that were discovered before the root errored. let loggingFunction = throwIfDisallowedDynamic.bind(null, workStore, PreludeState.Errored, dynamicValidation, serverDynamicTracking); if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { // We don't normally log these errors because we are going to retry anyway but // it can be useful for debugging Next.js itself to get visibility here when needed const originalLoggingFunction = loggingFunction; loggingFunction = ()=>{ console.error('During dynamic validation the root of the page errored. The next logged error is the thrown value. It may be a duplicate of errors reported during the normal development mode render.'); console.error(thrownValue); originalLoggingFunction(); }; } resolveValidation(/*#__PURE__*/ _jsx(LogSafely, { fn: loggingFunction })); } } async function LogSafely({ fn }) { try { await fn(); } catch {} return null; } /** * Determines whether we should generate static flight data. */ function shouldGenerateStaticFlightData(workStore) { const { isStaticGeneration } = workStore; if (!isStaticGeneration) return false; return true; } async function prerenderToStream(req, res, ctx, metadata, tree, fallbackRouteParams) { // When prerendering formState is always null. We still include it // because some shared APIs expect a formState value and this is slightly // more explicit than making it an optional function argument const formState = null; const { assetPrefix, getDynamicParamFromSegment, implicitTags, nonce, pagePath, renderOpts, workStore } = ctx; const { allowEmptyStaticShell = false, basePath, buildManifest, clientReferenceManifest, ComponentMod, crossOrigin, dev = false, experimental, isDebugDynamicAccesses, nextExport = false, onInstrumentationRequestError, page, reactMaxHeadersLength, subresourceIntegrityManifest } = renderOpts; assertClientReferenceManifest(clientReferenceManifest); const rootParams = getRootParams(tree, getDynamicParamFromSegment); const { ServerInsertedHTMLProvider, renderServerInsertedHTML } = createServerInsertedHTML(); const getServerInsertedMetadata = createServerInsertedMetadata(nonce); const tracingMetadata = getTracedMetadata(getTracer().getTracePropagationData(), experimental.clientTraceMetadata); const polyfills = buildManifest.polyfillFiles.filter((polyfill)=>polyfill.endsWith('.js') && !polyfill.endsWith('.module.js')).map((polyfill)=>({ src: `${assetPrefix}/_next/${polyfill}${getAssetQueryString(ctx, false)}`, integrity: subresourceIntegrityManifest == null ? void 0 : subresourceIntegrityManifest[polyfill], crossOrigin, noModule: true, nonce })); const [preinitScripts, bootstrapScript] = getRequiredScripts(buildManifest, // Why is assetPrefix optional on renderOpts? // @TODO make it default empty string on renderOpts and get rid of it from ctx assetPrefix, crossOrigin, subresourceIntegrityManifest, getAssetQueryString(ctx, true), nonce, page); const reactServerErrorsByDigest = new Map(); // We don't report errors during prerendering through our instrumentation hooks const silenceLogger = !!experimental.isRoutePPREnabled; function onHTMLRenderRSCError(err) { return onInstrumentationRequestError == null ? void 0 : onInstrumentationRequestError(err, req, createErrorContext(ctx, 'react-server-components')); } const serverComponentsErrorHandler = createHTMLReactServerErrorHandler(dev, nextExport, reactServerErrorsByDigest, silenceLogger, onHTMLRenderRSCError); function onHTMLRenderSSRError(err) { return onInstrumentationRequestError == null ? void 0 : onInstrumentationRequestError(err, req, createErrorContext(ctx, 'server-rendering')); } const allCapturedErrors = []; const htmlRendererErrorHandler = createHTMLErrorHandler(dev, nextExport, reactServerErrorsByDigest, allCapturedErrors, silenceLogger, onHTMLRenderSSRError); let reactServerPrerenderResult = null; const setMetadataHeader = (name)=>{ metadata.headers ??= {}; metadata.headers[name] = res.getHeader(name); }; const setHeader = (name, value)=>{ res.setHeader(name, value); setMetadataHeader(name); return res; }; const appendHeader = (name, value)=>{ if (Array.isArray(value)) { value.forEach((item)=>{ res.appendHeader(name, item); }); } else { res.appendHeader(name, value); } setMetadataHeader(name); }; const selectStaleTime = createSelectStaleTime(experimental); let prerenderStore = null; try { if (experimental.cacheComponents) { /** * cacheComponents with PPR * * The general approach is to render the RSC stream first allowing any cache reads to resolve. * Once we have settled all cache reads we restart the render and abort after a single Task. * * Unlike with the non PPR case we can't synchronously abort the render when a dynamic API is used * during the initial render because we need to ensure all caches can be filled as part of the initial Task * and a synchronous abort might prevent us from filling all caches. * * Once the render is complete we allow the SSR render to finish and use a combination of the postponed state * and the reactServerIsDynamic value to determine how to treat the resulting render */ // The prerender controller represents the lifetime of the prerender. It // will be aborted when a task is complete or a synchronously aborting API // is called. Notably, during prospective prerenders, this does not // actually terminate the prerender itself, which will continue until all // caches are filled. const initialServerPrerenderController = new AbortController(); // This controller is used to abort the React prerender. const initialServerReactController = new AbortController(); // This controller represents the lifetime of the React prerender. Its // signal can be used for any I/O operation to abort the I/O and/or to // reject, when prerendering aborts. This includes our own hanging // promises for accessing request data, and for fetch calls. It might be // replaced in the future by React.cacheSignal(). It's aborted after the // React controller, so that no pending I/O can register abort listeners // that are called before React's abort listener is called. This ensures // that pending I/O is not rejected too early when aborting the prerender. // Notably, during the prospective prerender, it is different from the // prerender controller because we don't want to end the React prerender // until all caches are filled. const initialServerRenderController = new AbortController(); // The cacheSignal helps us track whether caches are still filling or we are ready // to cut the render off. const cacheSignal = new CacheSignal(); let resumeDataCache; let renderResumeDataCache = null; let prerenderResumeDataCache = null; if (renderOpts.renderResumeDataCache) { // If a prefilled immutable render resume data cache is provided, e.g. // when prerendering an optional fallback shell after having prerendered // pages with defined params, we use this instead of a prerender resume // data cache. resumeDataCache = renderResumeDataCache = renderOpts.renderResumeDataCache; } else { // Otherwise we create a new mutable prerender resume data cache. resumeDataCache = prerenderResumeDataCache = createPrerenderResumeDataCache(); } const initialServerPayloadPrerenderStore = { type: 'prerender', phase: 'render', rootParams, fallbackRouteParams, implicitTags, // While this render signal isn't going to be used to abort a React render while getting the RSC payload // various request data APIs bind to this controller to reject after completion. renderSignal: initialServerRenderController.signal, // When we generate the RSC payload we might abort this controller due to sync IO // but we don't actually care about sync IO in this phase so we use a throw away controller // that isn't connected to anything controller: new AbortController(), // During the initial prerender we need to track all cache reads to ensure // we render long enough to fill every cache it is possible to visit during // the final prerender. cacheSignal, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache, hmrRefreshHash: undefined, captureOwnerStack: undefined }; // We're not going to use the result of this render because the only time it could be used // is if it completes in a microtask and that's likely very rare for any non-trivial app const initialServerPayload = await workUnitAsyncStorage.run(initialServerPayloadPrerenderStore, getRSCPayload, tree, ctx, res.statusCode === 404); const initialServerPrerenderStore = prerenderStore = { type: 'prerender', phase: 'render', rootParams, fallbackRouteParams, implicitTags, renderSignal: initialServerRenderController.signal, controller: initialServerPrerenderController, // During the initial prerender we need to track all cache reads to ensure // we render long enough to fill every cache it is possible to visit during // the final prerender. cacheSignal, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache, hmrRefreshHash: undefined, captureOwnerStack: undefined }; const pendingInitialServerResult = workUnitAsyncStorage.run(initialServerPrerenderStore, ComponentMod.prerender, initialServerPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: (err)=>{ const digest = getDigestForWellKnownError(err); if (digest) { return digest; } if (isReactLargeShellError(err)) { // TODO: Aggregate console.error(err); return undefined; } if (initialServerPrerenderController.signal.aborted) { // The render aborted before this error was handled which indicates // the error is caused by unfinished components within the render return; } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { printDebugThrownValueForProspectiveRender(err, workStore.route); } }, // we don't care to track postpones during the prospective render because we need // to always do a final render anyway onPostpone: undefined, // We don't want to stop rendering until the cacheSignal is complete so we pass // a different signal to this render call than is used by dynamic APIs to signify // transitioning out of the prerender environment signal: initialServerReactController.signal }); // The listener to abort our own render controller must be added after // React has added its listener, to ensure that pending I/O is not // aborted/rejected too early. initialServerReactController.signal.addEventListener('abort', ()=>{ initialServerRenderController.abort(); }, { once: true }); // Wait for all caches to be finished filling and for async imports to resolve trackPendingModules(cacheSignal); await cacheSignal.cacheReady(); initialServerReactController.abort(); // We don't need to continue the prerender process if we already // detected invalid dynamic usage in the initial prerender phase. if (workStore.invalidDynamicUsageError) { logDisallowedDynamicError(workStore, workStore.invalidDynamicUsageError); throw new StaticGenBailoutError(); } let initialServerResult; try { initialServerResult = await createReactServerPrerenderResult(pendingInitialServerResult); } catch (err) { if (initialServerReactController.signal.aborted || initialServerPrerenderController.signal.aborted) { // These are expected errors that might error the prerender. we ignore them. } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { // We don't normally log these errors because we are going to retry anyway but // it can be useful for debugging Next.js itself to get visibility here when needed printDebugThrownValueForProspectiveRender(err, workStore.route); } } if (initialServerResult) { const initialClientPrerenderController = new AbortController(); const initialClientReactController = new AbortController(); const initialClientRenderController = new AbortController(); const initialClientPrerenderStore = { type: 'prerender-client', phase: 'render', rootParams, fallbackRouteParams, implicitTags, renderSignal: initialClientRenderController.signal, controller: initialClientPrerenderController, // For HTML Generation the only cache tracked activity // is module loading, which has it's own cache signal cacheSignal: null, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache, hmrRefreshHash: undefined, captureOwnerStack: undefined }; const prerender = require('react-dom/static').prerender; const pendingInitialClientResult = workUnitAsyncStorage.run(initialClientPrerenderStore, prerender, /*#__PURE__*/ _jsx(App, { reactServerStream: initialServerResult.asUnclosingStream(), preinitScripts: preinitScripts, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), { signal: initialClientReactController.signal, onError: (err)=>{ const digest = getDigestForWellKnownError(err); if (digest) { return digest; } if (isReactLargeShellError(err)) { // TODO: Aggregate console.error(err); return undefined; } if (initialClientReactController.signal.aborted) { // These are expected errors that might error the prerender. we ignore them. } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { // We don't normally log these errors because we are going to retry anyway but // it can be useful for debugging Next.js itself to get visibility here when needed printDebugThrownValueForProspectiveRender(err, workStore.route); } }, bootstrapScripts: [ bootstrapScript ] }); // The listener to abort our own render controller must be added after // React has added its listener, to ensure that pending I/O is not // aborted/rejected too early. initialClientReactController.signal.addEventListener('abort', ()=>{ initialClientRenderController.abort(); }, { once: true }); pendingInitialClientResult.catch((err)=>{ if (initialClientReactController.signal.aborted || isPrerenderInterruptedError(err)) { // These are expected errors that might error the prerender. we ignore them. } else if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) { // We don't normally log these errors because we are going to retry anyway but // it can be useful for debugging Next.js itself to get visibility here when needed printDebugThrownValueForProspectiveRender(err, workStore.route); } }); // This is mostly needed for dynamic `import()`s in client components. // Promises passed to client were already awaited above (assuming that they came from cached functions) trackPendingModules(cacheSignal); await cacheSignal.cacheReady(); initialClientReactController.abort(); } const finalServerReactController = new AbortController(); const finalServerRenderController = new AbortController(); const finalServerPayloadPrerenderStore = { type: 'prerender', phase: 'render', rootParams, fallbackRouteParams, implicitTags, // While this render signal isn't going to be used to abort a React render while getting the RSC payload // various request data APIs bind to this controller to reject after completion. renderSignal: finalServerRenderController.signal, // When we generate the RSC payload we might abort this controller due to sync IO // but we don't actually care about sync IO in this phase so we use a throw away controller // that isn't connected to anything controller: new AbortController(), // All caches we could read must already be filled so no tracking is necessary cacheSignal: null, dynamicTracking: null, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache, hmrRefreshHash: undefined, captureOwnerStack: undefined }; const finalAttemptRSCPayload = await workUnitAsyncStorage.run(finalServerPayloadPrerenderStore, getRSCPayload, tree, ctx, res.statusCode === 404); const serverDynamicTracking = createDynamicTrackingState(isDebugDynamicAccesses); let serverIsDynamic = false; const finalServerPrerenderStore = prerenderStore = { type: 'prerender', phase: 'render', rootParams, fallbackRouteParams, implicitTags, renderSignal: finalServerRenderController.signal, controller: finalServerReactController, // All caches we could read must already be filled so no tracking is necessary cacheSignal: null, dynamicTracking: serverDynamicTracking, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache, hmrRefreshHash: undefined, captureOwnerStack: undefined }; let prerenderIsPending = true; const reactServerResult = reactServerPrerenderResult = await createReactServerPrerenderResult(prerenderAndAbortInSequentialTasks(async ()=>{ const pendingPrerenderResult = workUnitAsyncStorage.run(// The store to scope finalServerPrerenderStore, // The function to run ComponentMod.prerender, // ... the arguments for the function to run finalAttemptRSCPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: (err)=>{ return serverComponentsErrorHandler(err); }, signal: finalServerReactController.signal }); // The listener to abort our own render controller must be added // after React has added its listener, to ensure that pending I/O // is not aborted/rejected too early. finalServerReactController.signal.addEventListener('abort', ()=>{ finalServerRenderController.abort(); }, { once: true }); const prerenderResult = await pendingPrerenderResult; prerenderIsPending = false; return prerenderResult; }, ()=>{ if (finalServerReactController.signal.aborted) { // If the server controller is already aborted we must have called something // that required aborting the prerender synchronously such as with new Date() serverIsDynamic = true; return; } if (prerenderIsPending) { // If prerenderIsPending then we have blocked for longer than a Task and we assume // there is something unfinished. serverIsDynamic = true; } finalServerReactController.abort(); })); const clientDynamicTracking = createDynamicTrackingState(isDebugDynamicAccesses); const finalClientReactController = new AbortController(); const finalClientRenderController = new AbortController(); const finalClientPrerenderStore = { type: 'prerender-client', phase: 'render', rootParams, fallbackRouteParams, implicitTags, renderSignal: finalClientRenderController.signal, controller: finalClientReactController, // No APIs require a cacheSignal through the workUnitStore during the HTML prerender cacheSignal: null, dynamicTracking: clientDynamicTracking, allowEmptyStaticShell, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache, renderResumeDataCache, hmrRefreshHash: undefined, captureOwnerStack: undefined }; let dynamicValidation = createDynamicValidationState(); const prerender = require('react-dom/static').prerender; let { prelude: unprocessedPrelude, postponed } = await prerenderAndAbortInSequentialTasks(()=>{ const pendingFinalClientResult = workUnitAsyncStorage.run(finalClientPrerenderStore, prerender, /*#__PURE__*/ _jsx(App, { reactServerStream: reactServerResult.asUnclosingStream(), preinitScripts: preinitScripts, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), { signal: finalClientReactController.signal, onError: (err, errorInfo)=>{ if (isPrerenderInterruptedError(err) || finalClientReactController.signal.aborted) { const componentStack = errorInfo.componentStack; if (typeof componentStack === 'string') { trackAllowedDynamicAccess(workStore, componentStack, dynamicValidation, clientDynamicTracking); } return; } return htmlRendererErrorHandler(err, errorInfo); }, onHeaders: (headers)=>{ headers.forEach((value, key)=>{ appendHeader(key, value); }); }, maxHeadersLength: reactMaxHeadersLength, bootstrapScripts: [ bootstrapScript ] }); // The listener to abort our own render controller must be added // after React has added its listener, to ensure that pending I/O is // not aborted/rejected too early. finalClientReactController.signal.addEventListener('abort', ()=>{ finalClientRenderController.abort(); }, { once: true }); return pendingFinalClientResult; }, ()=>{ finalClientReactController.abort(); }); const { prelude, preludeIsEmpty } = await processPrelude(unprocessedPrelude); // If we've disabled throwing on empty static shell, then we don't need to // track any dynamic access that occurs above the suspense boundary because // we'll do so in the route shell. if (!allowEmptyStaticShell) { throwIfDisallowedDynamic(workStore, preludeIsEmpty ? PreludeState.Empty : PreludeState.Full, dynamicValidation, serverDynamicTracking); } const getServerInsertedHTML = makeGetServerInsertedHTML({ polyfills, renderServerInsertedHTML, serverCapturedErrors: allCapturedErrors, basePath, tracingMetadata: tracingMetadata }); const flightData = await streamToBuffer(reactServerResult.asStream()); metadata.flightData = flightData; metadata.segmentData = await collectSegmentData(flightData, finalServerPrerenderStore, ComponentMod, renderOpts); // If there are fallback route params, the RSC data is inherently dynamic // today because it's encoded into the flight router state. Until we can // move the fallback route params out of the flight router state, we need // to always perform a dynamic resume after the static prerender. const hasFallbackRouteParams = fallbackRouteParams && fallbackRouteParams.size > 0; if (serverIsDynamic || hasFallbackRouteParams) { // Dynamic case // We will always need to perform a "resume" render of some kind when this route is accessed // because the RSC data itself is dynamic. We determine if there are any HTML holes or not // but generally this is a "partial" prerender in that there will be a per-request compute // concatenated to the static shell. if (postponed != null) { // Dynamic HTML case metadata.postponed = await getDynamicHTMLPostponedState(postponed, preludeIsEmpty ? DynamicHTMLPreludeState.Empty : DynamicHTMLPreludeState.Full, fallbackRouteParams, resumeDataCache); } else { // Dynamic Data case metadata.postponed = await getDynamicDataPostponedState(resumeDataCache); } reactServerResult.consume(); return { digestErrorsMap: reactServerErrorsByDigest, ssrErrors: allCapturedErrors, stream: await continueDynamicPrerender(prelude, { getServerInsertedHTML, getServerInsertedMetadata }), dynamicAccess: consumeDynamicAccess(serverDynamicTracking, clientDynamicTracking), // TODO: Should this include the SSR pass? collectedRevalidate: finalServerPrerenderStore.revalidate, collectedExpire: finalServerPrerenderStore.expire, collectedStale: selectStaleTime(finalServerPrerenderStore.stale), collectedTags: finalServerPrerenderStore.tags, renderResumeDataCache: createRenderResumeDataCache(resumeDataCache) }; } else { // Static case // We will not perform resumption per request. The result can be served statically to the requestor // and if there was anything dynamic it will only be rendered in the browser. if (workStore.forceDynamic) { throw Object.defineProperty(new StaticGenBailoutError('Invariant: a Page with `dynamic = "force-dynamic"` did not trigger the dynamic pathway. This is a bug in Next.js'), "__NEXT_ERROR_CODE", { value: "E598", enumerable: false, configurable: true }); } let htmlStream = prelude; if (postponed != null) { // We postponed but nothing dynamic was used. We resume the render now and immediately abort it // so we can set all the postponed boundaries to client render mode before we store the HTML response const resume = require('react-dom/server').resume; // We don't actually want to render anything so we just pass a stream // that never resolves. The resume call is going to abort immediately anyway const foreverStream = new ReadableStream(); const resumeStream = await resume(/*#__PURE__*/ _jsx(App, { reactServerStream: foreverStream, preinitScripts: ()=>{}, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), JSON.parse(JSON.stringify(postponed)), { signal: createRenderInBrowserAbortSignal(), onError: htmlRendererErrorHandler, nonce }); // First we write everything from the prerender, then we write everything from the aborted resume render htmlStream = chainStreams(prelude, resumeStream); } return { digestErrorsMap: reactServerErrorsByDigest, ssrErrors: allCapturedErrors, stream: await continueStaticPrerender(htmlStream, { inlinedDataStream: createInlinedDataReadableStream(reactServerResult.consumeAsStream(), nonce, formState), getServerInsertedHTML, getServerInsertedMetadata, isBuildTimePrerendering: ctx.workStore.isBuildTimePrerendering === true, buildId: ctx.workStore.buildId }), dynamicAccess: consumeDynamicAccess(serverDynamicTracking, clientDynamicTracking), // TODO: Should this include the SSR pass? collectedRevalidate: finalServerPrerenderStore.revalidate, collectedExpire: finalServerPrerenderStore.expire, collectedStale: selectStaleTime(finalServerPrerenderStore.stale), collectedTags: finalServerPrerenderStore.tags, renderResumeDataCache: createRenderResumeDataCache(resumeDataCache) }; } } else if (experimental.isRoutePPREnabled) { // We're statically generating with PPR and need to do dynamic tracking let dynamicTracking = createDynamicTrackingState(isDebugDynamicAccesses); const prerenderResumeDataCache = createPrerenderResumeDataCache(); const reactServerPrerenderStore = prerenderStore = { type: 'prerender-ppr', phase: 'render', rootParams, fallbackRouteParams, implicitTags, dynamicTracking, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache }; const RSCPayload = await workUnitAsyncStorage.run(reactServerPrerenderStore, getRSCPayload, tree, ctx, res.statusCode === 404); const reactServerResult = reactServerPrerenderResult = await createReactServerPrerenderResultFromRender(workUnitAsyncStorage.run(reactServerPrerenderStore, ComponentMod.renderToReadableStream, // ... the arguments for the function to run RSCPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: serverComponentsErrorHandler })); const ssrPrerenderStore = { type: 'prerender-ppr', phase: 'render', rootParams, fallbackRouteParams, implicitTags, dynamicTracking, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ], prerenderResumeDataCache }; const prerender = require('react-dom/static').prerender; const { prelude: unprocessedPrelude, postponed } = await workUnitAsyncStorage.run(ssrPrerenderStore, prerender, /*#__PURE__*/ _jsx(App, { reactServerStream: reactServerResult.asUnclosingStream(), preinitScripts: preinitScripts, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), { onError: htmlRendererErrorHandler, onHeaders: (headers)=>{ headers.forEach((value, key)=>{ appendHeader(key, value); }); }, maxHeadersLength: reactMaxHeadersLength, bootstrapScripts: [ bootstrapScript ] }); const getServerInsertedHTML = makeGetServerInsertedHTML({ polyfills, renderServerInsertedHTML, serverCapturedErrors: allCapturedErrors, basePath, tracingMetadata: tracingMetadata }); // After awaiting here we've waited for the entire RSC render to complete. Crucially this means // that when we detect whether we've used dynamic APIs below we know we'll have picked up even // parts of the React Server render that might not be used in the SSR render. const flightData = await streamToBuffer(reactServerResult.asStream()); if (shouldGenerateStaticFlightData(workStore)) { metadata.flightData = flightData; metadata.segmentData = await collectSegmentData(flightData, ssrPrerenderStore, ComponentMod, renderOpts); } const { prelude, preludeIsEmpty } = await processPrelude(unprocessedPrelude); /** * When prerendering there are three outcomes to consider * * Dynamic HTML: The prerender has dynamic holes (caused by using Next.js Dynamic Rendering APIs) * We will need to resume this result when requests are handled and we don't include * any server inserted HTML or inlined flight data in the static HTML * * Dynamic Data: The prerender has no dynamic holes but dynamic APIs were used. We will not * resume this render when requests are handled but we will generate new inlined * flight data since it is dynamic and differences may end up reconciling on the client * * Static: The prerender has no dynamic holes and no dynamic APIs were used. We statically encode * all server inserted HTML and flight data */ // First we check if we have any dynamic holes in our HTML prerender if (accessedDynamicData(dynamicTracking.dynamicAccesses)) { if (postponed != null) { // Dynamic HTML case. metadata.postponed = await getDynamicHTMLPostponedState(postponed, preludeIsEmpty ? DynamicHTMLPreludeState.Empty : DynamicHTMLPreludeState.Full, fallbackRouteParams, prerenderResumeDataCache); } else { // Dynamic Data case. metadata.postponed = await getDynamicDataPostponedState(prerenderResumeDataCache); } // Regardless of whether this is the Dynamic HTML or Dynamic Data case we need to ensure we include // server inserted html in the static response because the html that is part of the prerender may depend on it // It is possible in the set of stream transforms for Dynamic HTML vs Dynamic Data may differ but currently both states // require the same set so we unify the code path here reactServerResult.consume(); return { digestErrorsMap: reactServerErrorsByDigest, ssrErrors: allCapturedErrors, stream: await continueDynamicPrerender(prelude, { getServerInsertedHTML, getServerInsertedMetadata }), dynamicAccess: dynamicTracking.dynamicAccesses, // TODO: Should this include the SSR pass? collectedRevalidate: reactServerPrerenderStore.revalidate, collectedExpire: reactServerPrerenderStore.expire, collectedStale: selectStaleTime(reactServerPrerenderStore.stale), collectedTags: reactServerPrerenderStore.tags }; } else if (fallbackRouteParams && fallbackRouteParams.size > 0) { // Rendering the fallback case. metadata.postponed = await getDynamicDataPostponedState(prerenderResumeDataCache); return { digestErrorsMap: reactServerErrorsByDigest, ssrErrors: allCapturedErrors, stream: await continueDynamicPrerender(prelude, { getServerInsertedHTML, getServerInsertedMetadata }), dynamicAccess: dynamicTracking.dynamicAccesses, // TODO: Should this include the SSR pass? collectedRevalidate: reactServerPrerenderStore.revalidate, collectedExpire: reactServerPrerenderStore.expire, collectedStale: selectStaleTime(reactServerPrerenderStore.stale), collectedTags: reactServerPrerenderStore.tags }; } else { // Static case // We still have not used any dynamic APIs. At this point we can produce an entirely static prerender response if (workStore.forceDynamic) { throw Object.defineProperty(new StaticGenBailoutError('Invariant: a Page with `dynamic = "force-dynamic"` did not trigger the dynamic pathway. This is a bug in Next.js'), "__NEXT_ERROR_CODE", { value: "E598", enumerable: false, configurable: true }); } let htmlStream = prelude; if (postponed != null) { // We postponed but nothing dynamic was used. We resume the render now and immediately abort it // so we can set all the postponed boundaries to client render mode before we store the HTML response const resume = require('react-dom/server').resume; // We don't actually want to render anything so we just pass a stream // that never resolves. The resume call is going to abort immediately anyway const foreverStream = new ReadableStream(); const resumeStream = await resume(/*#__PURE__*/ _jsx(App, { reactServerStream: foreverStream, preinitScripts: ()=>{}, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), JSON.parse(JSON.stringify(postponed)), { signal: createRenderInBrowserAbortSignal(), onError: htmlRendererErrorHandler, nonce }); // First we write everything from the prerender, then we write everything from the aborted resume render htmlStream = chainStreams(prelude, resumeStream); } return { digestErrorsMap: reactServerErrorsByDigest, ssrErrors: allCapturedErrors, stream: await continueStaticPrerender(htmlStream, { inlinedDataStream: createInlinedDataReadableStream(reactServerResult.consumeAsStream(), nonce, formState), getServerInsertedHTML, getServerInsertedMetadata, isBuildTimePrerendering: ctx.workStore.isBuildTimePrerendering === true, buildId: ctx.workStore.buildId }), dynamicAccess: dynamicTracking.dynamicAccesses, // TODO: Should this include the SSR pass? collectedRevalidate: reactServerPrerenderStore.revalidate, collectedExpire: reactServerPrerenderStore.expire, collectedStale: selectStaleTime(reactServerPrerenderStore.stale), collectedTags: reactServerPrerenderStore.tags }; } } else { const prerenderLegacyStore = prerenderStore = { type: 'prerender-legacy', phase: 'render', rootParams, implicitTags, revalidate: INFINITE_CACHE, expire: INFINITE_CACHE, stale: INFINITE_CACHE, tags: [ ...implicitTags.tags ] }; // This is a regular static generation. We don't do dynamic tracking because we rely on // the old-school dynamic error handling to bail out of static generation const RSCPayload = await workUnitAsyncStorage.run(prerenderLegacyStore, getRSCPayload, tree, ctx, res.statusCode === 404); const reactServerResult = reactServerPrerenderResult = await createReactServerPrerenderResultFromRender(workUnitAsyncStorage.run(prerenderLegacyStore, ComponentMod.renderToReadableStream, RSCPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: serverComponentsErrorHandler })); const renderToReadableStream = require('react-dom/server').renderToReadableStream; const htmlStream = await workUnitAsyncStorage.run(prerenderLegacyStore, renderToReadableStream, /*#__PURE__*/ _jsx(App, { reactServerStream: reactServerResult.asUnclosingStream(), preinitScripts: preinitScripts, clientReferenceManifest: clientReferenceManifest, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, nonce: nonce }), { onError: htmlRendererErrorHandler, nonce, bootstrapScripts: [ bootstrapScript ] }); if (shouldGenerateStaticFlightData(workStore)) { const flightData = await streamToBuffer(reactServerResult.asStream()); metadata.flightData = flightData; metadata.segmentData = await collectSegmentData(flightData, prerenderLegacyStore, ComponentMod, renderOpts); } const getServerInsertedHTML = makeGetServerInsertedHTML({ polyfills, renderServerInsertedHTML, serverCapturedErrors: allCapturedErrors, basePath, tracingMetadata: tracingMetadata }); return { digestErrorsMap: reactServerErrorsByDigest, ssrErrors: allCapturedErrors, stream: await continueFizzStream(htmlStream, { inlinedDataStream: createInlinedDataReadableStream(reactServerResult.consumeAsStream(), nonce, formState), isStaticGeneration: true, isBuildTimePrerendering: ctx.workStore.isBuildTimePrerendering === true, buildId: ctx.workStore.buildId, getServerInsertedHTML, getServerInsertedMetadata }), // TODO: Should this include the SSR pass? collectedRevalidate: prerenderLegacyStore.revalidate, collectedExpire: prerenderLegacyStore.expire, collectedStale: selectStaleTime(prerenderLegacyStore.stale), collectedTags: prerenderLegacyStore.tags }; } } catch (err) { if (isStaticGenBailoutError(err) || typeof err === 'object' && err !== null && 'message' in err && typeof err.message === 'string' && err.message.includes('https://nextjs.org/docs/advanced-features/static-html-export')) { // Ensure that "next dev" prints the red error overlay throw err; } // If this is a static generation error, we need to throw it so that it // can be handled by the caller if we're in static generation mode. if (isDynamicServerError(err)) { throw err; } // If a bailout made it to this point, it means it wasn't wrapped inside // a suspense boundary. const shouldBailoutToCSR = isBailoutToCSRError(err); if (shouldBailoutToCSR) { const stack = getStackWithoutErrorMessage(err); error(`${err.reason} should be wrapped in a suspense boundary at page "${pagePath}". Read more: https://nextjs.org/docs/messages/missing-suspense-with-csr-bailout\n${stack}`); throw err; } // If we errored when we did not have an RSC stream to read from. This is // not just a render error, we need to throw early. if (reactServerPrerenderResult === null) { throw err; } let errorType; if (isHTTPAccessFallbackError(err)) { res.statusCode = getAccessFallbackHTTPStatus(err); metadata.statusCode = res.statusCode; errorType = getAccessFallbackErrorTypeByStatus(res.statusCode); } else if (isRedirectError(err)) { errorType = 'redirect'; res.statusCode = getRedirectStatusCodeFromError(err); metadata.statusCode = res.statusCode; const redirectUrl = addPathPrefix(getURLFromRedirectError(err), basePath); setHeader('location', redirectUrl); } else if (!shouldBailoutToCSR) { res.statusCode = 500; metadata.statusCode = res.statusCode; } const [errorPreinitScripts, errorBootstrapScript] = getRequiredScripts(buildManifest, assetPrefix, crossOrigin, subresourceIntegrityManifest, getAssetQueryString(ctx, false), nonce, '/_not-found/page'); const prerenderLegacyStore = prerenderStore = { type: 'prerender-legacy', phase: 'render', rootParams, implicitTags: implicitTags, revalidate: typeof (prerenderStore == null ? void 0 : prerenderStore.revalidate) !== 'undefined' ? prerenderStore.revalidate : INFINITE_CACHE, expire: typeof (prerenderStore == null ? void 0 : prerenderStore.expire) !== 'undefined' ? prerenderStore.expire : INFINITE_CACHE, stale: typeof (prerenderStore == null ? void 0 : prerenderStore.stale) !== 'undefined' ? prerenderStore.stale : INFINITE_CACHE, tags: [ ...(prerenderStore == null ? void 0 : prerenderStore.tags) || implicitTags.tags ] }; const errorRSCPayload = await workUnitAsyncStorage.run(prerenderLegacyStore, getErrorRSCPayload, tree, ctx, reactServerErrorsByDigest.has(err.digest) ? undefined : err, errorType); const errorServerStream = workUnitAsyncStorage.run(prerenderLegacyStore, ComponentMod.renderToReadableStream, errorRSCPayload, clientReferenceManifest.clientModules, { filterStackFrame, onError: serverComponentsErrorHandler }); try { // TODO we should use the same prerender semantics that we initially rendered // with in this case too. The only reason why this is ok atm is because it's essentially // an empty page and no user code runs. const fizzStream = await workUnitAsyncStorage.run(prerenderLegacyStore, renderToInitialFizzStream, { ReactDOMServer: require('react-dom/server'), element: /*#__PURE__*/ _jsx(ErrorApp, { reactServerStream: errorServerStream, ServerInsertedHTMLProvider: ServerInsertedHTMLProvider, preinitScripts: errorPreinitScripts, clientReferenceManifest: clientReferenceManifest, nonce: nonce }), streamOptions: { nonce, // Include hydration scripts in the HTML bootstrapScripts: [ errorBootstrapScript ], formState } }); if (shouldGenerateStaticFlightData(workStore)) { const flightData = await streamToBuffer(reactServerPrerenderResult.asStream()); metadata.flightData = flightData; metadata.segmentData = await collectSegmentData(flightData, prerenderLegacyStore, ComponentMod, renderOpts); } // This is intentionally using the readable datastream from the main // render rather than the flight data from the error page render const flightStream = reactServerPrerenderResult.consumeAsStream(); return { // Returning the error that was thrown so it can be used to handle // the response in the caller. digestErrorsMap: reactServerErrorsByDigest, ssrErrors: allCapturedErrors, stream: await continueFizzStream(fizzStream, { inlinedDataStream: createInlinedDataReadableStream(flightStream, nonce, formState), isStaticGeneration: true, isBuildTimePrerendering: ctx.workStore.isBuildTimePrerendering === true, buildId: ctx.workStore.buildId, getServerInsertedHTML: makeGetServerInsertedHTML({ polyfills, renderServerInsertedHTML, serverCapturedErrors: [], basePath, tracingMetadata: tracingMetadata }), getServerInsertedMetadata, validateRootLayout: dev }), dynamicAccess: null, collectedRevalidate: prerenderStore !== null ? prerenderStore.revalidate : INFINITE_CACHE, collectedExpire: prerenderStore !== null ? prerenderStore.expire : INFINITE_CACHE, collectedStale: selectStaleTime(prerenderStore !== null ? prerenderStore.stale : INFINITE_CACHE), collectedTags: prerenderStore !== null ? prerenderStore.tags : null }; } catch (finalErr) { if (process.env.NODE_ENV === 'development' && isHTTPAccessFallbackError(finalErr)) { const { bailOnRootNotFound } = require('../../client/components/dev-root-http-access-fallback-boundary'); bailOnRootNotFound(); } throw finalErr; } } } const getGlobalErrorStyles = async (tree, ctx)=>{ const { modules: { 'global-error': globalErrorModule } } = parseLoaderTree(tree); const GlobalErrorComponent = ctx.componentMod.GlobalError; let globalErrorStyles; if (globalErrorModule) { const [, styles] = await createComponentStylesAndScripts({ ctx, filePath: globalErrorModule[1], getComponent: globalErrorModule[0], injectedCSS: new Set(), injectedJS: new Set() }); globalErrorStyles = styles; } if (ctx.renderOpts.dev) { const dir = (process.env.NEXT_RUNTIME === 'edge' ? process.env.__NEXT_EDGE_PROJECT_DIR : ctx.renderOpts.dir) || ''; const globalErrorModulePath = normalizeConventionFilePath(dir, globalErrorModule == null ? void 0 : globalErrorModule[1]); if (ctx.renderOpts.devtoolSegmentExplorer && globalErrorModulePath) { const SegmentViewNode = ctx.componentMod.SegmentViewNode; globalErrorStyles = // This will be rendered next to GlobalError component under ErrorBoundary, // it requires a key to avoid React warning about duplicate keys. /*#__PURE__*/ _jsx(SegmentViewNode, { type: "global-error", pagePath: globalErrorModulePath, children: globalErrorStyles }, "ge-svn"); } } return { GlobalError: GlobalErrorComponent, styles: globalErrorStyles }; }; function createSelectStaleTime(experimental) { return (stale)=>{ var _experimental_staleTimes; return stale === INFINITE_CACHE && typeof ((_experimental_staleTimes = experimental.staleTimes) == null ? void 0 : _experimental_staleTimes.static) === 'number' ? experimental.staleTimes.static : stale; }; } async function collectSegmentData(fullPageDataBuffer, prerenderStore, ComponentMod, renderOpts) { // Per-segment prefetch data // // All of the segments for a page are generated simultaneously, including // during revalidations. This is to ensure consistency, because it's // possible for a mismatch between a layout and page segment can cause the // client to error during rendering. We want to preserve the ability of the // client to recover from such a mismatch by re-requesting all the segments // to get a consistent view of the page. // // For performance, we reuse the Flight output that was created when // generating the initial page HTML. The Flight stream for the whole page is // decomposed into a separate stream per segment. const clientReferenceManifest = renderOpts.clientReferenceManifest; if (!clientReferenceManifest || // Do not generate per-segment data unless the experimental Segment Cache // flag is enabled. // // We also skip generating segment data if flag is set to "client-only", // rather than true. (The "client-only" option only affects the behavior of // the client-side implementation; per-segment prefetches are intentionally // disabled in that configuration). renderOpts.experimental.clientSegmentCache !== true) { return; } // Manifest passed to the Flight client for reading the full-page Flight // stream. Based off similar code in use-cache-wrapper.ts. const isEdgeRuntime = process.env.NEXT_RUNTIME === 'edge'; const serverConsumerManifest = { // moduleLoading must be null because we don't want to trigger preloads of ClientReferences // to be added to the consumer. Instead, we'll wait for any ClientReference to be emitted // which themselves will handle the preloading. moduleLoading: null, moduleMap: isEdgeRuntime ? clientReferenceManifest.edgeRscModuleMapping : clientReferenceManifest.rscModuleMapping, serverModuleMap: getServerModuleMap() }; const staleTime = prerenderStore.stale; return await ComponentMod.collectSegmentData(renderOpts.experimental.clientParamParsing, fullPageDataBuffer, staleTime, clientReferenceManifest.clientModules, serverConsumerManifest); } //# sourceMappingURL=app-render.js.map