next
Version:
The React Framework
995 lines • 52.6 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
GlobalError: null,
__next_app__: null,
handler: null,
pages: null,
routeModule: null,
tree: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
GlobalError: function() {
return _VAR_MODULE_GLOBAL_ERROR.default;
},
__next_app__: function() {
return __next_app__;
},
handler: function() {
return handler;
},
pages: function() {
return pages;
},
routeModule: function() {
return routeModule;
},
tree: function() {
return tree;
}
});
0 && __export(require("../../server/app-render/entry-base"));
const _modulecompiled = require("../../server/route-modules/app-page/module.compiled");
const _routekind = require("../../server/route-kind");
const _utils = require("../../server/instrumentation/utils");
const _tracer = require("../../server/lib/trace/tracer");
const _requestmeta = require("../../server/request-meta");
const _constants = require("../../server/lib/trace/constants");
const _interopdefault = require("../../server/app-render/interop-default");
const _stripflightheaders = require("../../server/app-render/strip-flight-headers");
const _node = require("../../server/base-http/node");
const _ppr = require("../../server/lib/experimental/ppr");
const _fallbackparams = require("../../server/request/fallback-params");
const _encryptionutils = require("../../server/app-render/encryption-utils");
const _streamingmetadata = require("../../server/lib/streaming-metadata");
const _actionutils = require("../../server/app-render/action-utils");
const _apppaths = require("../../shared/lib/router/utils/app-paths");
const _serveractionrequestmeta = require("../../server/lib/server-action-request-meta");
const _approuterheaders = require("../../client/components/app-router-headers");
const _isbot = require("../../shared/lib/router/utils/is-bot");
const _responsecache = require("../../server/response-cache");
const _fallback = require("../../lib/fallback");
const _renderresult = /*#__PURE__*/ _interop_require_default(require("../../server/render-result"));
const _constants1 = require("../../lib/constants");
const _encodedtags = require("../../server/stream-utils/encoded-tags");
const _sendpayload = require("../../server/send-payload");
const _nofallbackerrorexternal = require("../../shared/lib/no-fallback-error.external");
const _VAR_MODULE_GLOBAL_ERROR = /*#__PURE__*/ _interop_require_default(require("VAR_MODULE_GLOBAL_ERROR"));
const _entrybase = /*#__PURE__*/ _interop_require_wildcard(_export_star(require("../../server/app-render/entry-base"), exports));
const _redirectstatuscode = require("../../client/components/redirect-status-code");
function _export_star(from, to) {
Object.keys(from).forEach(function(k) {
if (k !== "default" && !Object.prototype.hasOwnProperty.call(to, k)) {
Object.defineProperty(to, k, {
enumerable: true,
get: function() {
return from[k];
}
});
}
});
return from;
}
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
const __next_app__ = {
require: __next_app_require__,
loadChunk: __next_app_load_chunk__
};
const routeModule = new _modulecompiled.AppPageRouteModule({
definition: {
kind: _routekind.RouteKind.APP_PAGE,
page: 'VAR_DEFINITION_PAGE',
pathname: 'VAR_DEFINITION_PATHNAME',
// The following aren't used in production.
bundlePath: '',
filename: '',
appPaths: []
},
userland: {
loaderTree: tree
},
distDir: process.env.__NEXT_RELATIVE_DIST_DIR || '',
relativeProjectDir: process.env.__NEXT_RELATIVE_PROJECT_DIR || ''
});
async function handler(req, res, ctx) {
var _this;
let srcPage = 'VAR_DEFINITION_PAGE';
// turbopack doesn't normalize `/index` in the page name
// so we need to to process dynamic routes properly
// TODO: fix turbopack providing differing value from webpack
if (process.env.TURBOPACK) {
srcPage = srcPage.replace(/\/index$/, '') || '/';
} else if (srcPage === '/index') {
// we always normalize /index specifically
srcPage = '/';
}
const multiZoneDraftMode = process.env.__NEXT_MULTI_ZONE_DRAFT_MODE;
const initialPostponed = (0, _requestmeta.getRequestMeta)(req, 'postponed');
// TODO: replace with more specific flags
const minimalMode = (0, _requestmeta.getRequestMeta)(req, 'minimalMode');
const prepareResult = await routeModule.prepare(req, res, {
srcPage,
multiZoneDraftMode
});
if (!prepareResult) {
res.statusCode = 400;
res.end('Bad Request');
ctx.waitUntil == null ? void 0 : ctx.waitUntil.call(ctx, Promise.resolve());
return null;
}
const { buildId, query, params, parsedUrl, pageIsDynamic, buildManifest, nextFontManifest, reactLoadableManifest, serverActionsManifest, clientReferenceManifest, subresourceIntegrityManifest, prerenderManifest, isDraftMode, resolvedPathname, revalidateOnlyGenerated, routerServerContext, nextConfig, interceptionRoutePatterns } = prepareResult;
const pathname = parsedUrl.pathname || '/';
const normalizedSrcPage = (0, _apppaths.normalizeAppPath)(srcPage);
let { isOnDemandRevalidate } = prepareResult;
const prerenderInfo = routeModule.match(pathname, prerenderManifest);
const isPrerendered = !!prerenderManifest.routes[resolvedPathname];
let isSSG = Boolean(prerenderInfo || isPrerendered || prerenderManifest.routes[normalizedSrcPage]);
const userAgent = req.headers['user-agent'] || '';
const botType = (0, _isbot.getBotType)(userAgent);
const isHtmlBot = (0, _streamingmetadata.isHtmlBotRequest)(req);
/**
* If true, this indicates that the request being made is for an app
* prefetch request.
*/ const isPrefetchRSCRequest = (0, _requestmeta.getRequestMeta)(req, 'isPrefetchRSCRequest') ?? req.headers[_approuterheaders.NEXT_ROUTER_PREFETCH_HEADER] === '1' // exclude runtime prefetches, which use '2'
;
// NOTE: Don't delete headers[RSC] yet, it still needs to be used in renderToHTML later
const isRSCRequest = (0, _requestmeta.getRequestMeta)(req, 'isRSCRequest') ?? Boolean(req.headers[_approuterheaders.RSC_HEADER]);
const isPossibleServerAction = (0, _serveractionrequestmeta.getIsPossibleServerAction)(req);
/**
* If the route being rendered is an app page, and the ppr feature has been
* enabled, then the given route _could_ support PPR.
*/ const couldSupportPPR = (0, _ppr.checkIsAppPPREnabled)(nextConfig.experimental.ppr);
// When enabled, this will allow the use of the `?__nextppronly` query to
// enable debugging of the static shell.
const hasDebugStaticShellQuery = process.env.__NEXT_EXPERIMENTAL_STATIC_SHELL_DEBUGGING === '1' && typeof query.__nextppronly !== 'undefined' && couldSupportPPR;
// When enabled, this will allow the use of the `?__nextppronly` query
// to enable debugging of the fallback shell.
const hasDebugFallbackShellQuery = hasDebugStaticShellQuery && query.__nextppronly === 'fallback';
// This page supports PPR if it is marked as being `PARTIALLY_STATIC` in the
// prerender manifest and this is an app page.
const isRoutePPREnabled = couldSupportPPR && (((_this = prerenderManifest.routes[normalizedSrcPage] ?? prerenderManifest.dynamicRoutes[normalizedSrcPage]) == null ? void 0 : _this.renderingMode) === 'PARTIALLY_STATIC' || // Ideally we'd want to check the appConfig to see if this page has PPR
// enabled or not, but that would require plumbing the appConfig through
// to the server during development. We assume that the page supports it
// but only during development.
hasDebugStaticShellQuery && (routeModule.isDev === true || (routerServerContext == null ? void 0 : routerServerContext.experimentalTestProxy) === true));
const isDebugStaticShell = hasDebugStaticShellQuery && isRoutePPREnabled;
// We should enable debugging dynamic accesses when the static shell
// debugging has been enabled and we're also in development mode.
const isDebugDynamicAccesses = isDebugStaticShell && routeModule.isDev === true;
const isDebugFallbackShell = hasDebugFallbackShellQuery && isRoutePPREnabled;
// If we're in minimal mode, then try to get the postponed information from
// the request metadata. If available, use it for resuming the postponed
// render.
const minimalPostponed = isRoutePPREnabled ? initialPostponed : undefined;
// If PPR is enabled, and this is a RSC request (but not a prefetch), then
// we can use this fact to only generate the flight data for the request
// because we can't cache the HTML (as it's also dynamic).
const isDynamicRSCRequest = isRoutePPREnabled && isRSCRequest && !isPrefetchRSCRequest;
// Need to read this before it's stripped by stripFlightHeaders. We don't
// need to transfer it to the request meta because it's only read
// within this function; the static segment data should have already been
// generated, so we will always either return a static response or a 404.
const segmentPrefetchHeader = (0, _requestmeta.getRequestMeta)(req, 'segmentPrefetchRSCRequest');
// TODO: investigate existing bug with shouldServeStreamingMetadata always
// being true for a revalidate due to modifying the base-server this.renderOpts
// when fixing this to correct logic it causes hydration issue since we set
// serveStreamingMetadata to true during export
let serveStreamingMetadata = !userAgent ? true : (0, _streamingmetadata.shouldServeStreamingMetadata)(userAgent, nextConfig.htmlLimitedBots);
if (isHtmlBot && isRoutePPREnabled) {
isSSG = false;
serveStreamingMetadata = false;
}
// In development, we always want to generate dynamic HTML.
let supportsDynamicResponse = // If we're in development, we always support dynamic HTML, unless it's
// a data request, in which case we only produce static HTML.
routeModule.isDev === true || // If this is not SSG or does not have static paths, then it supports
// dynamic HTML.
!isSSG || // If this request has provided postponed data, it supports dynamic
// HTML.
typeof initialPostponed === 'string' || // If this is a dynamic RSC request, then this render supports dynamic
// HTML (it's dynamic).
isDynamicRSCRequest;
// When html bots request PPR page, perform the full dynamic rendering.
const shouldWaitOnAllReady = isHtmlBot && isRoutePPREnabled;
let ssgCacheKey = null;
if (!isDraftMode && isSSG && !supportsDynamicResponse && !isPossibleServerAction && !minimalPostponed && !isDynamicRSCRequest) {
ssgCacheKey = resolvedPathname;
}
// the staticPathKey differs from ssgCacheKey since
// ssgCacheKey is null in dev since we're always in "dynamic"
// mode in dev to bypass the cache, but we still need to honor
// dynamicParams = false in dev mode
let staticPathKey = ssgCacheKey;
if (!staticPathKey && routeModule.isDev) {
staticPathKey = resolvedPathname;
}
// If this is a request for an app path that should be statically generated
// and we aren't in the edge runtime, strip the flight headers so it will
// generate the static response.
if (!routeModule.isDev && !isDraftMode && isSSG && isRSCRequest && !isDynamicRSCRequest) {
(0, _stripflightheaders.stripFlightHeaders)(req.headers);
}
const ComponentMod = {
..._entrybase,
tree,
pages,
GlobalError: _VAR_MODULE_GLOBAL_ERROR.default,
handler,
routeModule,
__next_app__
};
// Before rendering (which initializes component tree modules), we have to
// set the reference manifests to our global store so Server Action's
// encryption util can access to them at the top level of the page module.
if (serverActionsManifest && clientReferenceManifest) {
(0, _encryptionutils.setReferenceManifestsSingleton)({
page: srcPage,
clientReferenceManifest,
serverActionsManifest,
serverModuleMap: (0, _actionutils.createServerModuleMap)({
serverActionsManifest
})
});
}
const method = req.method || 'GET';
const tracer = (0, _tracer.getTracer)();
const activeSpan = tracer.getActiveScopeSpan();
try {
const varyHeader = routeModule.getVaryHeader(resolvedPathname, interceptionRoutePatterns);
res.setHeader('Vary', varyHeader);
const invokeRouteModule = async (span, context)=>{
const nextReq = new _node.NodeNextRequest(req);
const nextRes = new _node.NodeNextResponse(res);
// TODO: adapt for putting the RDC inside the postponed data
// If we're in dev, and this isn't a prefetch or a server action,
// we should seed the resume data cache.
if (process.env.NODE_ENV === 'development') {
if (nextConfig.experimental.cacheComponents && !isPrefetchRSCRequest && !context.renderOpts.isPossibleServerAction) {
const warmup = await routeModule.warmup(nextReq, nextRes, context);
// If the warmup is successful, we should use the resume data
// cache from the warmup.
if (warmup.metadata.renderResumeDataCache) {
context.renderOpts.renderResumeDataCache = warmup.metadata.renderResumeDataCache;
}
}
}
return routeModule.render(nextReq, nextRes, context).finally(()=>{
if (!span) return;
span.setAttributes({
'http.status_code': res.statusCode,
'next.rsc': false
});
const rootSpanAttributes = tracer.getRootSpanAttributes();
// We were unable to get attributes, probably OTEL is not enabled
if (!rootSpanAttributes) {
return;
}
if (rootSpanAttributes.get('next.span_type') !== _constants.BaseServerSpan.handleRequest) {
console.warn(`Unexpected root span type '${rootSpanAttributes.get('next.span_type')}'. Please report this Next.js issue https://github.com/vercel/next.js`);
return;
}
const route = rootSpanAttributes.get('next.route');
if (route) {
const name = `${method} ${route}`;
span.setAttributes({
'next.route': route,
'http.route': route,
'next.span_name': name
});
span.updateName(name);
} else {
span.updateName(`${method} ${req.url}`);
}
});
};
const doRender = async ({ span, postponed, fallbackRouteParams })=>{
const context = {
query,
params,
page: normalizedSrcPage,
sharedContext: {
buildId
},
serverComponentsHmrCache: (0, _requestmeta.getRequestMeta)(req, 'serverComponentsHmrCache'),
fallbackRouteParams,
renderOpts: {
App: ()=>null,
Document: ()=>null,
pageConfig: {},
ComponentMod,
Component: (0, _interopdefault.interopDefault)(ComponentMod),
params,
routeModule,
page: srcPage,
postponed,
shouldWaitOnAllReady,
serveStreamingMetadata,
supportsDynamicResponse: typeof postponed === 'string' || supportsDynamicResponse,
buildManifest,
nextFontManifest,
reactLoadableManifest,
subresourceIntegrityManifest,
serverActionsManifest,
clientReferenceManifest,
setIsrStatus: routerServerContext == null ? void 0 : routerServerContext.setIsrStatus,
dir: process.env.NEXT_RUNTIME === 'nodejs' ? require('path').join(/* turbopackIgnore: true */ process.cwd(), routeModule.relativeProjectDir) : `${process.cwd()}/${routeModule.relativeProjectDir}`,
isDraftMode,
isRevalidate: isSSG && !postponed && !isDynamicRSCRequest,
botType,
isOnDemandRevalidate,
isPossibleServerAction,
assetPrefix: nextConfig.assetPrefix,
nextConfigOutput: nextConfig.output,
crossOrigin: nextConfig.crossOrigin,
trailingSlash: nextConfig.trailingSlash,
previewProps: prerenderManifest.preview,
deploymentId: nextConfig.deploymentId,
enableTainting: nextConfig.experimental.taint,
htmlLimitedBots: nextConfig.htmlLimitedBots,
devtoolSegmentExplorer: nextConfig.experimental.devtoolSegmentExplorer,
reactMaxHeadersLength: nextConfig.reactMaxHeadersLength,
multiZoneDraftMode,
incrementalCache: (0, _requestmeta.getRequestMeta)(req, 'incrementalCache'),
cacheLifeProfiles: nextConfig.experimental.cacheLife,
basePath: nextConfig.basePath,
serverActions: nextConfig.experimental.serverActions,
...isDebugStaticShell || isDebugDynamicAccesses ? {
nextExport: true,
supportsDynamicResponse: false,
isStaticGeneration: true,
isRevalidate: true,
isDebugDynamicAccesses: isDebugDynamicAccesses
} : {},
experimental: {
isRoutePPREnabled,
expireTime: nextConfig.expireTime,
staleTimes: nextConfig.experimental.staleTimes,
cacheComponents: Boolean(nextConfig.experimental.cacheComponents),
clientSegmentCache: Boolean(nextConfig.experimental.clientSegmentCache),
clientParamParsing: Boolean(nextConfig.experimental.clientParamParsing),
dynamicOnHover: Boolean(nextConfig.experimental.dynamicOnHover),
inlineCss: Boolean(nextConfig.experimental.inlineCss),
authInterrupts: Boolean(nextConfig.experimental.authInterrupts),
clientTraceMetadata: nextConfig.experimental.clientTraceMetadata || []
},
waitUntil: ctx.waitUntil,
onClose: (cb)=>{
res.on('close', cb);
},
onAfterTaskError: ()=>{},
onInstrumentationRequestError: (error, _request, errorContext)=>routeModule.onRequestError(req, error, errorContext, routerServerContext),
err: (0, _requestmeta.getRequestMeta)(req, 'invokeError'),
dev: routeModule.isDev
}
};
const result = await invokeRouteModule(span, context);
const { metadata } = result;
const { cacheControl, headers = {}, // Add any fetch tags that were on the page to the response headers.
fetchTags: cacheTags } = metadata;
if (cacheTags) {
headers[_constants1.NEXT_CACHE_TAGS_HEADER] = cacheTags;
}
// Pull any fetch metrics from the render onto the request.
;
req.fetchMetrics = metadata.fetchMetrics;
// we don't throw static to dynamic errors in dev as isSSG
// is a best guess in dev since we don't have the prerender pass
// to know whether the path is actually static or not
if (isSSG && (cacheControl == null ? void 0 : cacheControl.revalidate) === 0 && !routeModule.isDev && !isRoutePPREnabled) {
const staticBailoutInfo = metadata.staticBailoutInfo;
const err = Object.defineProperty(new Error(`Page changed from static to dynamic at runtime ${resolvedPathname}${(staticBailoutInfo == null ? void 0 : staticBailoutInfo.description) ? `, reason: ${staticBailoutInfo.description}` : ``}` + `\nsee more here https://nextjs.org/docs/messages/app-static-to-dynamic-error`), "__NEXT_ERROR_CODE", {
value: "E132",
enumerable: false,
configurable: true
});
if (staticBailoutInfo == null ? void 0 : staticBailoutInfo.stack) {
const stack = staticBailoutInfo.stack;
err.stack = err.message + stack.substring(stack.indexOf('\n'));
}
throw err;
}
return {
value: {
kind: _responsecache.CachedRouteKind.APP_PAGE,
html: result,
headers,
rscData: metadata.flightData,
postponed: metadata.postponed,
status: metadata.statusCode,
segmentData: metadata.segmentData
},
cacheControl
};
};
const responseGenerator = async ({ hasResolved, previousCacheEntry, isRevalidating, span })=>{
const isProduction = routeModule.isDev === false;
const didRespond = hasResolved || res.writableEnded;
// skip on-demand revalidate if cache is not present and
// revalidate-if-generated is set
if (isOnDemandRevalidate && revalidateOnlyGenerated && !previousCacheEntry && !minimalMode) {
if (routerServerContext == null ? void 0 : routerServerContext.render404) {
await routerServerContext.render404(req, res);
} else {
res.statusCode = 404;
res.end('This page could not be found');
}
return null;
}
let fallbackMode;
if (prerenderInfo) {
fallbackMode = (0, _fallback.parseFallbackField)(prerenderInfo.fallback);
}
// When serving a HTML bot request, we want to serve a blocking render and
// not the prerendered page. This ensures that the correct content is served
// to the bot in the head.
if (fallbackMode === _fallback.FallbackMode.PRERENDER && (0, _isbot.isBot)(userAgent)) {
if (!isRoutePPREnabled || isHtmlBot) {
fallbackMode = _fallback.FallbackMode.BLOCKING_STATIC_RENDER;
}
}
if ((previousCacheEntry == null ? void 0 : previousCacheEntry.isStale) === -1) {
isOnDemandRevalidate = true;
}
// TODO: adapt for PPR
// only allow on-demand revalidate for fallback: true/blocking
// or for prerendered fallback: false paths
if (isOnDemandRevalidate && (fallbackMode !== _fallback.FallbackMode.NOT_FOUND || previousCacheEntry)) {
fallbackMode = _fallback.FallbackMode.BLOCKING_STATIC_RENDER;
}
if (!minimalMode && fallbackMode !== _fallback.FallbackMode.BLOCKING_STATIC_RENDER && staticPathKey && !didRespond && !isDraftMode && pageIsDynamic && (isProduction || !isPrerendered)) {
// if the page has dynamicParams: false and this pathname wasn't
// prerendered trigger the no fallback handling
if (// In development, fall through to render to handle missing
// getStaticPaths.
(isProduction || prerenderInfo) && // When fallback isn't present, abort this render so we 404
fallbackMode === _fallback.FallbackMode.NOT_FOUND) {
throw new _nofallbackerrorexternal.NoFallbackError();
}
let fallbackResponse;
if (isRoutePPREnabled && !isRSCRequest) {
const cacheKey = typeof (prerenderInfo == null ? void 0 : prerenderInfo.fallback) === 'string' ? prerenderInfo.fallback : isProduction ? normalizedSrcPage : null;
// We use the response cache here to handle the revalidation and
// management of the fallback shell.
fallbackResponse = await routeModule.handleResponse({
cacheKey,
req,
nextConfig,
routeKind: _routekind.RouteKind.APP_PAGE,
isFallback: true,
prerenderManifest,
isRoutePPREnabled,
responseGenerator: async ()=>doRender({
span,
// We pass `undefined` as rendering a fallback isn't resumed
// here.
postponed: undefined,
fallbackRouteParams: // If we're in production or we're debugging the fallback
// shell then we should postpone when dynamic params are
// accessed.
isProduction || isDebugFallbackShell ? (0, _fallbackparams.getFallbackRouteParams)(normalizedSrcPage) : null
}),
waitUntil: ctx.waitUntil
});
// If the fallback response was set to null, then we should return null.
if (fallbackResponse === null) return null;
// Otherwise, if we did get a fallback response, we should return it.
if (fallbackResponse) {
// Remove the cache control from the response to prevent it from being
// used in the surrounding cache.
delete fallbackResponse.cacheControl;
return fallbackResponse;
}
}
}
// Only requests that aren't revalidating can be resumed. If we have the
// minimal postponed data, then we should resume the render with it.
const postponed = !isOnDemandRevalidate && !isRevalidating && minimalPostponed ? minimalPostponed : undefined;
// When we're in minimal mode, if we're trying to debug the static shell,
// we should just return nothing instead of resuming the dynamic render.
if ((isDebugStaticShell || isDebugDynamicAccesses) && typeof postponed !== 'undefined') {
return {
cacheControl: {
revalidate: 1,
expire: undefined
},
value: {
kind: _responsecache.CachedRouteKind.PAGES,
html: _renderresult.default.EMPTY,
pageData: {},
headers: undefined,
status: undefined
}
};
}
// If this is a dynamic route with PPR enabled and the default route
// matches were set, then we should pass the fallback route params to
// the renderer as this is a fallback revalidation request.
const fallbackRouteParams = pageIsDynamic && isRoutePPREnabled && ((0, _requestmeta.getRequestMeta)(req, 'renderFallbackShell') || isDebugFallbackShell) ? (0, _fallbackparams.getFallbackRouteParams)(pathname) : null;
// Perform the render.
return doRender({
span,
postponed,
fallbackRouteParams
});
};
const handleResponse = async (span)=>{
var _cacheEntry_value, _cachedData_headers;
const cacheEntry = await routeModule.handleResponse({
cacheKey: ssgCacheKey,
responseGenerator: (c)=>responseGenerator({
span,
...c
}),
routeKind: _routekind.RouteKind.APP_PAGE,
isOnDemandRevalidate,
isRoutePPREnabled,
req,
nextConfig,
prerenderManifest,
waitUntil: ctx.waitUntil
});
if (isDraftMode) {
res.setHeader('Cache-Control', 'private, no-cache, no-store, max-age=0, must-revalidate');
}
// In dev, we should not cache pages for any reason.
if (routeModule.isDev) {
res.setHeader('Cache-Control', 'no-store, must-revalidate');
}
if (!cacheEntry) {
if (ssgCacheKey) {
// A cache entry might not be generated if a response is written
// in `getInitialProps` or `getServerSideProps`, but those shouldn't
// have a cache key. If we do have a cache key but we don't end up
// with a cache entry, then either Next.js or the application has a
// bug that needs fixing.
throw Object.defineProperty(new Error('invariant: cache entry required but not generated'), "__NEXT_ERROR_CODE", {
value: "E62",
enumerable: false,
configurable: true
});
}
return null;
}
if (((_cacheEntry_value = cacheEntry.value) == null ? void 0 : _cacheEntry_value.kind) !== _responsecache.CachedRouteKind.APP_PAGE) {
var _cacheEntry_value1;
throw Object.defineProperty(new Error(`Invariant app-page handler received invalid cache entry ${(_cacheEntry_value1 = cacheEntry.value) == null ? void 0 : _cacheEntry_value1.kind}`), "__NEXT_ERROR_CODE", {
value: "E707",
enumerable: false,
configurable: true
});
}
const didPostpone = typeof cacheEntry.value.postponed === 'string';
if (isSSG && // We don't want to send a cache header for requests that contain dynamic
// data. If this is a Dynamic RSC request or wasn't a Prefetch RSC
// request, then we should set the cache header.
!isDynamicRSCRequest && (!didPostpone || isPrefetchRSCRequest)) {
if (!minimalMode) {
// set x-nextjs-cache header to match the header
// we set for the image-optimizer
res.setHeader('x-nextjs-cache', isOnDemandRevalidate ? 'REVALIDATED' : cacheEntry.isMiss ? 'MISS' : cacheEntry.isStale ? 'STALE' : 'HIT');
}
// Set a header used by the client router to signal the response is static
// and should respect the `static` cache staleTime value.
res.setHeader(_approuterheaders.NEXT_IS_PRERENDER_HEADER, '1');
}
const { value: cachedData } = cacheEntry;
// Coerce the cache control parameter from the render.
let cacheControl;
// If this is a resume request in minimal mode it is streamed with dynamic
// content and should not be cached.
if (minimalPostponed) {
cacheControl = {
revalidate: 0,
expire: undefined
};
} else if (minimalMode && isRSCRequest && !isPrefetchRSCRequest && isRoutePPREnabled) {
cacheControl = {
revalidate: 0,
expire: undefined
};
} else if (!routeModule.isDev) {
// If this is a preview mode request, we shouldn't cache it
if (isDraftMode) {
cacheControl = {
revalidate: 0,
expire: undefined
};
} else if (!isSSG) {
if (!res.getHeader('Cache-Control')) {
cacheControl = {
revalidate: 0,
expire: undefined
};
}
} else if (cacheEntry.cacheControl) {
// If the cache entry has a cache control with a revalidate value that's
// a number, use it.
if (typeof cacheEntry.cacheControl.revalidate === 'number') {
var _cacheEntry_cacheControl;
if (cacheEntry.cacheControl.revalidate < 1) {
throw Object.defineProperty(new Error(`Invalid revalidate configuration provided: ${cacheEntry.cacheControl.revalidate} < 1`), "__NEXT_ERROR_CODE", {
value: "E22",
enumerable: false,
configurable: true
});
}
cacheControl = {
revalidate: cacheEntry.cacheControl.revalidate,
expire: ((_cacheEntry_cacheControl = cacheEntry.cacheControl) == null ? void 0 : _cacheEntry_cacheControl.expire) ?? nextConfig.expireTime
};
} else {
cacheControl = {
revalidate: _constants1.CACHE_ONE_YEAR,
expire: undefined
};
}
}
}
cacheEntry.cacheControl = cacheControl;
if (typeof segmentPrefetchHeader === 'string' && (cachedData == null ? void 0 : cachedData.kind) === _responsecache.CachedRouteKind.APP_PAGE && cachedData.segmentData) {
var _cachedData_headers1;
// This is a prefetch request issued by the client Segment Cache. These
// should never reach the application layer (lambda). We should either
// respond from the cache (HIT) or respond with 204 No Content (MISS).
// Set a header to indicate that PPR is enabled for this route. This
// lets the client distinguish between a regular cache miss and a cache
// miss due to PPR being disabled. In other contexts this header is used
// to indicate that the response contains dynamic data, but here we're
// only using it to indicate that the feature is enabled — the segment
// response itself contains whether the data is dynamic.
res.setHeader(_approuterheaders.NEXT_DID_POSTPONE_HEADER, '2');
// Add the cache tags header to the response if it exists and we're in
// minimal mode while rendering a static page.
const tags = (_cachedData_headers1 = cachedData.headers) == null ? void 0 : _cachedData_headers1[_constants1.NEXT_CACHE_TAGS_HEADER];
if (minimalMode && isSSG && tags && typeof tags === 'string') {
res.setHeader(_constants1.NEXT_CACHE_TAGS_HEADER, tags);
}
const matchedSegment = cachedData.segmentData.get(segmentPrefetchHeader);
if (matchedSegment !== undefined) {
// Cache hit
return (0, _sendpayload.sendRenderResult)({
req,
res,
generateEtags: nextConfig.generateEtags,
poweredByHeader: nextConfig.poweredByHeader,
result: _renderresult.default.fromStatic(matchedSegment, _approuterheaders.RSC_CONTENT_TYPE_HEADER),
cacheControl: cacheEntry.cacheControl
});
}
// Cache miss. Either a cache entry for this route has not been generated
// (which technically should not be possible when PPR is enabled, because
// at a minimum there should always be a fallback entry) or there's no
// match for the requested segment. Respond with a 204 No Content. We
// don't bother to respond with 404, because these requests are only
// issued as part of a prefetch.
res.statusCode = 204;
return (0, _sendpayload.sendRenderResult)({
req,
res,
generateEtags: nextConfig.generateEtags,
poweredByHeader: nextConfig.poweredByHeader,
result: _renderresult.default.EMPTY,
cacheControl: cacheEntry.cacheControl
});
}
// If there's a callback for `onCacheEntry`, call it with the cache entry
// and the revalidate options.
const onCacheEntry = (0, _requestmeta.getRequestMeta)(req, 'onCacheEntry');
if (onCacheEntry) {
const finished = await onCacheEntry({
...cacheEntry,
// TODO: remove this when upstream doesn't
// always expect this value to be "PAGE"
value: {
...cacheEntry.value,
kind: 'PAGE'
}
}, {
url: (0, _requestmeta.getRequestMeta)(req, 'initURL')
});
if (finished) {
// TODO: maybe we have to end the request?
return null;
}
}
// If the request has a postponed state and it's a resume request we
// should error.
if (didPostpone && minimalPostponed) {
throw Object.defineProperty(new Error('Invariant: postponed state should not be present on a resume request'), "__NEXT_ERROR_CODE", {
value: "E396",
enumerable: false,
configurable: true
});
}
if (cachedData.headers) {
const headers = {
...cachedData.headers
};
if (!minimalMode || !isSSG) {
delete headers[_constants1.NEXT_CACHE_TAGS_HEADER];
}
for (let [key, value] of Object.entries(headers)){
if (typeof value === 'undefined') continue;
if (Array.isArray(value)) {
for (const v of value){
res.appendHeader(key, v);
}
} else if (typeof value === 'number') {
value = value.toString();
res.appendHeader(key, value);
} else {
res.appendHeader(key, value);
}
}
}
// Add the cache tags header to the response if it exists and we're in
// minimal mode while rendering a static page.
const tags = (_cachedData_headers = cachedData.headers) == null ? void 0 : _cachedData_headers[_constants1.NEXT_CACHE_TAGS_HEADER];
if (minimalMode && isSSG && tags && typeof tags === 'string') {
res.setHeader(_constants1.NEXT_CACHE_TAGS_HEADER, tags);
}
// If the request is a data request, then we shouldn't set the status code
// from the response because it should always be 200. This should be gated
// behind the experimental PPR flag.
if (cachedData.status && (!isRSCRequest || !isRoutePPREnabled)) {
res.statusCode = cachedData.status;
}
// Redirect information is encoded in RSC payload, so we don't need to use redirect status codes
if (!minimalMode && cachedData.status && _redirectstatuscode.RedirectStatusCode[cachedData.status] && isRSCRequest) {
res.statusCode = 200;
}
// Mark that the request did postpone.
if (didPostpone) {
res.setHeader(_approuterheaders.NEXT_DID_POSTPONE_HEADER, '1');
}
// we don't go through this block when preview mode is true
// as preview mode is a dynamic request (bypasses cache) and doesn't
// generate both HTML and payloads in the same request so continue to just
// return the generated payload
if (isRSCRequest && !isDraftMode) {
// If this is a dynamic RSC request, then stream the response.
if (typeof cachedData.rscData === 'undefined') {
if (cachedData.postponed) {
throw Object.defineProperty(new Error('Invariant: Expected postponed to be undefined'), "__NEXT_ERROR_CODE", {
value: "E372",
enumerable: false,
configurable: true
});
}
return (0, _sendpayload.sendRenderResult)({
req,
res,
generateEtags: nextConfig.generateEtags,
poweredByHeader: nextConfig.poweredByHeader,
result: cachedData.html,
// Dynamic RSC responses cannot be cached, even if they're
// configured with `force-static` because we have no way of
// distinguishing between `force-static` and pages that have no
// postponed state.
// TODO: distinguish `force-static` from pages with no postponed state (static)
cacheControl: isDynamicRSCRequest ? {
revalidate: 0,
expire: undefined
} : cacheEntry.cacheControl
});
}
// As this isn't a prefetch request, we should serve the static flight
// data.
return (0, _sendpayload.sendRenderResult)({
req,
res,
generateEtags: nextConfig.generateEtags,
poweredByHeader: nextConfig.poweredByHeader,
result: _renderresult.default.fromStatic(cachedData.rscData, _approuterheaders.RSC_CONTENT_TYPE_HEADER),
cacheControl: cacheEntry.cacheControl
});
}
// This is a request for HTML data.
let body = cachedData.html;
// If there's no postponed state, we should just serve the HTML. This
// should also be the case for a resume request because it's completed
// as a server render (rather than a static render).
if (!didPostpone || minimalMode || isRSCRequest) {
// If we're in test mode, we should add a sentinel chunk to the response
// that's between the static and dynamic parts so we can compare the
// chunks and add assertions.
if (process.env.__NEXT_TEST_MODE && minimalMode && isRoutePPREnabled && body.contentType === _constants1.HTML_CONTENT_TYPE_HEADER) {
// As we're in minimal mode, the static part would have already been
// streamed first. The only part that this streams is the dynamic part
// so we should FIRST stream the sentinel and THEN the dynamic part.
body.unshift(createPPRBoundarySentinel());
}
return (0, _sendpayload.sendRenderResult)({
req,
res,
generateEtags: nextConfig.generateEtags,
poweredByHeader: nextConfig.poweredByHeader,
result: body,
cacheControl: cacheEntry.cacheControl
});
}
// If we're debugging the static shell or the dynamic API accesses, we
// should just serve the HTML without resuming the render. The returned
// HTML will be the static shell so all the Dynamic API's will be used
// during static generation.
if (isDebugStaticShell || isDebugDynamicAccesses) {
// Since we're not resuming the render, we need to at least add the
// closing body and html tags to create valid HTML.
body.push(new ReadableStream({
start (controller) {
controller.enqueue(_encodedtags.ENCODED_TAGS.CLOSED.BODY_AND_HTML);
controller.close();
}
}));
return (0, _sendpayload.sendRenderResult)({
req,
res,
generateEtags: nextConfig.generateEtags,
poweredByHeader: nextConfig.poweredByHeader,
result: body,
cacheControl: {
revalidate: 0,
expire: undefined
}
});
}
// If we're in test mode, we should add a sentinel chunk to the response
// that's between the static and dynamic parts so we can compare the
// chunks and add assertions.
if (process.env.__NEXT_TEST_MODE) {
body.push(createPPRBoundarySentinel());
}
// This request has postponed, so let's create a new transformer that the
// dynamic data can pipe to that will attach the dynamic data to the end
// of the response.
const transformer = new TransformStream();
body.push(transformer.readable);
// Perform the render again, but this time, provide the postponed state.
// We don't await because we want the result to start streaming now, and
// we've already chained the transformer's readable to the render result.
doRender({
span,
postponed: cachedData.postponed,
// This is a resume render, not a fallback render, so we don't need to
// set this.
fallbackRouteParams: null
}).then(async (result)=>{
var _result_value;
if (!result) {
throw Object.defineProperty(new Error('Invariant: expected a result to be returned'), "__NEXT_ERROR_CODE", {
value: "E463",
enumerable: false,
configurable: true
});
}
if (((_result_value = result.value) == null ? void 0 : _result_value.kind) !== _responsecache.CachedRouteKind.APP_PAGE) {
var _result_value1;
throw Object.defineProperty(new Error(`Invariant: expected a page response, got ${(_result_value1 = result.value) == null ? void 0 : _result_value1.kind}`), "__NEXT_ERROR_CODE", {
value: "E305",
enumerable: false,
configurable: true
});
}
// Pipe the resume result to the transformer.
await result.value.html.pipeTo(transformer.writable);
}).catch((err)=>{
// An error occurred during piping or preparing the render, abort
// the transformers writer so we can terminate the stream.
transformer.writable.abort(err).catch((e)=>{
console.error("couldn't abort transformer", e);
});
});
return (0, _sendpayload.sendRenderResult)({
req,
res,
generateEtags: nextConfig.generateEtags,
poweredByHeader: nextConfig.poweredByHeader,
result: body,
// We don't want to cache the response if it has postponed data because
// the response being sent to the client it's dynamic parts are streamed
// to the client on the same request.
cacheControl: {
revalidate: 0,
expire: undefined
}
});
};
// TODO: activeSpan code path is for when wrapped by
// next-server can be removed when this is no longer used
if (activeSpan) {
await handleResponse(activeSpan);
} else {
return await tracer.withPropagatedContext(req.headers, ()=>tracer.trace(_constants.BaseServerSpan.handleRequest, {
spanName: `${method} ${req.url}`,
kind: _tracer.SpanKind.SERVER,
attributes: {
'http.method': method,
'http.target': req.url
}
}, handleResponse));
}
} catch (err) {
// if we aren't wrapped by base-server handle here
if (!activeSpan && !(err instanceof _nofallbackerrorexternal.NoFallbackError)) {
await routeModule.onRequestError(req, err, {
routerKind: 'App Router',
routePath: srcPage,
routeType: 'render',
revalidateReason: (0, _utils.getRevalidateReason)({
isRevalidate: isSSG,
isOnDemandRevalidate
})
}, routerServerContext);
}
// rethrow so that we can handle serving error page
throw err;
}
}
// TODO: omit this from production builds, only test builds should include it
/**
* Creates a readable stream that emits a PPR boundary sentinel.
*
* @returns A readable stream that emits a PPR boundary sentinel.
*/ function createPPRBoundarySentinel() {
return new ReadableStream({
start (controller) {
controller.enqueue(new TextEncoder().encode('<!-- PPR_BOUNDARY_SENTINEL -->'));
controller.close();
}
});
}
//# sourceMappingURL=app-page.js.map