next
Version:
The React Framework
713 lines (712 loc) • 33 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
collectStagedSegmentData: null,
createCombinedPayloadAtDepth: null,
createCombinedPayloadStream: null,
discoverValidationDepths: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
collectStagedSegmentData: function() {
return collectStagedSegmentData;
},
createCombinedPayloadAtDepth: function() {
return createCombinedPayloadAtDepth;
},
createCombinedPayloadStream: function() {
return createCombinedPayloadStream;
},
discoverValidationDepths: function() {
return discoverValidationDepths;
}
});
const _jsxruntime = require("react/jsx-runtime");
const _invarianterror = require("../../../shared/lib/invariant-error");
const _stagedrendering = require("../staged-rendering");
const _manifestssingleton = require("../manifests-singleton");
const _apprenderrenderutils = require("../app-render-render-utils");
const _workasyncstorageexternal = require("../work-async-storage.external");
const _prospectiverenderutils = require("../prospective-render-utils");
const _createerrorhandler = require("../create-error-handler");
const _boundary = require("../../../client/components/instant-validation/boundary");
const _appdirmodule = require("../../lib/app-dir-module");
const _parseloadertree = require("../../../shared/lib/router/utils/parse-loader-tree");
const _nodestream = require("node:stream");
const _streamutils = require("./stream-utils");
const _debugchannelserver = require("../debug-channel-server");
const _client = require("react-server-dom-webpack/client");
const _server = require("react-server-dom-webpack/server");
const _segment = require("../../../shared/lib/segment");
const filterStackFrame = process.env.NODE_ENV !== 'production' ? require('../../lib/source-maps').filterStackFrameDEV : undefined;
const findSourceMapURL = process.env.NODE_ENV !== 'production' ? require('../../lib/source-maps').findSourceMapURLDEV : undefined;
const debug = process.env.NEXT_PRIVATE_DEBUG_VALIDATION === '1' ? console.log : undefined;
function traverseRootSeedDataSegments(initialRSCPayload, processSegment) {
const { flightRouterState, seedData } = getRootDataFromPayload(initialRSCPayload);
const [rootSegment] = flightRouterState;
const rootPath = stringifySegment(rootSegment);
return traverseCacheNodeSegments(rootPath, flightRouterState, seedData, processSegment);
}
function traverseCacheNodeSegments(path, route, seedData, processSegment) {
processSegment(path, seedData);
const [_segment, childRoutes] = route;
const [_node, parallelRoutesData, _loading, _isPartial] = seedData;
for(const parallelRouteKey in childRoutes){
const childSeedData = parallelRoutesData[parallelRouteKey];
if (!childSeedData) {
throw Object.defineProperty(new _invarianterror.InvariantError(`Got unexpected empty seed data during instant validation`), "__NEXT_ERROR_CODE", {
value: "E992",
enumerable: false,
configurable: true
});
}
const childRoute = childRoutes[parallelRouteKey];
// NOTE: if this is a __PAGE__ segment, it might have search params appended.
// Whoever reads from the cache needs to append them as well.
const [childSegment] = childRoute;
const childPath = createChildSegmentPath(path, parallelRouteKey, childSegment);
traverseCacheNodeSegments(childPath, childRoute, childSeedData, processSegment);
}
}
function createChildSegmentPath(parentPath, parallelRouteKey, segment) {
const parallelRoutePrefix = parallelRouteKey === 'children' ? '' : `@${encodeURIComponent(parallelRouteKey)}/`;
return `${parentPath}/${parallelRoutePrefix}${stringifySegment(segment)}`;
}
function stringifySegment(segment) {
return typeof segment === 'string' ? encodeURIComponent(segment) : encodeURIComponent(segment[0]) + '|' + segment[1] + '|' + segment[2];
}
async function collectStagedSegmentData(fullPageChunks, fullPageDebugChunks, startTime, hasRuntimePrefetch, clientReferenceManifest) {
const debugChannelAbortController = new AbortController();
const debugStream = fullPageDebugChunks ? (0, _streamutils.createNodeStreamFromChunks)(fullPageDebugChunks, debugChannelAbortController.signal) : null;
const { stream, controller } = createStagedStreamFromChunks(fullPageChunks);
stream.on('end', ()=>{
// When the stream finishes, we have to close the debug stream too,
// but delay it to avoid "Connection closed." errors.
setImmediate(()=>debugChannelAbortController.abort());
});
// Technically we're just re-encoding, so nothing new should be emitted,
// but we add an environment name just in case.
const environmentName = ()=>{
const currentStage = controller.currentStage;
switch(currentStage){
case _stagedrendering.RenderStage.Static:
return 'Prerender';
case _stagedrendering.RenderStage.Runtime:
return hasRuntimePrefetch ? 'Prefetch' : 'Prefetchable';
case _stagedrendering.RenderStage.Dynamic:
return 'Server';
default:
currentStage;
throw Object.defineProperty(new _invarianterror.InvariantError(`Invalid render stage: ${currentStage}`), "__NEXT_ERROR_CODE", {
value: "E881",
enumerable: false,
configurable: true
});
}
};
// Deserialize the payload.
// NOTE: the stream will initially be in the static stage, so that's as far as we get here.
// We still expect the outer structure of the payload to be readable in this state.
const serverConsumerManifest = {
moduleLoading: null,
moduleMap: clientReferenceManifest.rscModuleMapping,
serverModuleMap: (0, _manifestssingleton.getServerModuleMap)()
};
const payload = await (0, _client.createFromNodeStream)(stream, serverConsumerManifest, {
findSourceMapURL,
debugChannel: debugStream ?? undefined,
// Do not pass start/end timings - we do not want to omit any debug info.
startTime: undefined,
endTime: undefined
});
// Deconstruct the payload into separate streams per segment.
// We have to preserve the stage information for each of them,
// so that we can later render each segment in any stage we need.
const { head } = getRootDataFromPayload(payload);
const segments = new Map();
traverseRootSeedDataSegments(payload, (segmentPath, seedData)=>{
segments.set(segmentPath, createSegmentData(seedData));
});
const cache = createSegmentCache();
const pendingTasks = [];
/** Track when we advance stages so we can pass them as `endTime` later. */ const stageEndTimes = {
[_stagedrendering.RenderStage.Static]: -1,
[_stagedrendering.RenderStage.Runtime]: -1
};
const renderIntoCacheItem = async (data, cacheEntry)=>{
const segmentDebugChannel = cacheEntry.debugChunks ? (0, _debugchannelserver.createDebugChannel)() : undefined;
const itemStream = (0, _server.renderToReadableStream)(data, clientReferenceManifest.clientModules, {
filterStackFrame,
debugChannel: segmentDebugChannel == null ? void 0 : segmentDebugChannel.serverSide,
environmentName,
startTime,
onError (error) {
const digest = (0, _createerrorhandler.getDigestForWellKnownError)(error);
if (digest) {
return digest;
}
// Forward existing digests
if (error && typeof error === 'object' && 'digest' in error && typeof error.digest === 'string') {
return error.digest;
}
// We don't need to log the errors because we would have already done that
// when generating the original Flight stream for the whole page.
if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) {
const workStore = _workasyncstorageexternal.workAsyncStorage.getStore();
(0, _prospectiverenderutils.printDebugThrownValueForProspectiveRender)(error, (workStore == null ? void 0 : workStore.route) ?? 'unknown route', _prospectiverenderutils.Phase.InstantValidation);
}
}
});
await Promise.all([
// accumulate Flight chunks
(async ()=>{
for await (const chunk of itemStream.values()){
writeChunk(cacheEntry.chunks, controller.currentStage, chunk);
}
})(),
// accumulate Debug chunks
segmentDebugChannel && (async ()=>{
for await (const chunk of segmentDebugChannel.clientSide.readable.values()){
cacheEntry.debugChunks.push(chunk);
}
})()
]);
};
await (0, _apprenderrenderutils.runInSequentialTasks)(()=>{
{
const headCacheItem = createSegmentCacheItem(!!fullPageDebugChunks);
cache.head = headCacheItem;
pendingTasks.push(renderIntoCacheItem(head, headCacheItem));
}
for (const [segmentPath, segmentData] of segments){
const segmentCacheItem = createSegmentCacheItem(!!fullPageDebugChunks);
cache.segments.set(segmentPath, segmentCacheItem);
pendingTasks.push(renderIntoCacheItem(segmentData, segmentCacheItem));
}
}, ()=>{
stageEndTimes[_stagedrendering.RenderStage.Static] = performance.now() + performance.timeOrigin;
controller.advanceStage(_stagedrendering.RenderStage.Runtime);
}, ()=>{
stageEndTimes[_stagedrendering.RenderStage.Runtime] = performance.now() + performance.timeOrigin;
controller.advanceStage(_stagedrendering.RenderStage.Dynamic);
});
await Promise.all(pendingTasks);
return {
cache,
payload,
stageEndTimes
};
}
/**
* Turns accumulated stage chunks into a stream.
* The stream starts out in Static stage, and can be advanced further
* using the returned controller object.
* Conceptually, this is similar to how we unblock more content
* by advancing stages in a regular staged render.
* */ function createStagedStreamFromChunks(stageChunks) {
// The successive stages are supersets of one another,
// so we can index into the dynamic chunks everywhere
// and just look at the lengths of the Static/Runtime arrays
const allChunks = stageChunks[_stagedrendering.RenderStage.Dynamic];
const numStaticChunks = stageChunks[_stagedrendering.RenderStage.Static].length;
const numRuntimeChunks = stageChunks[_stagedrendering.RenderStage.Runtime].length;
const numDynamicChunks = stageChunks[_stagedrendering.RenderStage.Dynamic].length;
let chunkIx = 0;
let currentStage = _stagedrendering.RenderStage.Static;
let closed = false;
function push(chunk) {
stream.push(chunk);
}
function close() {
closed = true;
stream.push(null);
}
const stream = new _nodestream.Readable({
read () {
// Emit static chunks
for(; chunkIx < numStaticChunks; chunkIx++){
push(allChunks[chunkIx]);
}
// If there's no more chunks after this stage, finish the stream.
if (chunkIx >= allChunks.length) {
close();
return;
}
}
});
function advanceStage(stage) {
if (closed) return true;
switch(stage){
case _stagedrendering.RenderStage.Runtime:
{
currentStage = _stagedrendering.RenderStage.Runtime;
for(; chunkIx < numRuntimeChunks; chunkIx++){
push(allChunks[chunkIx]);
}
break;
}
case _stagedrendering.RenderStage.Dynamic:
{
currentStage = _stagedrendering.RenderStage.Dynamic;
for(; chunkIx < numDynamicChunks; chunkIx++){
push(allChunks[chunkIx]);
}
break;
}
default:
{
stage;
}
}
// If there's no more chunks after this stage, finish the stream.
if (chunkIx >= allChunks.length) {
close();
return true;
} else {
return false;
}
}
return {
stream,
controller: {
get currentStage () {
return currentStage;
},
advanceStage
}
};
}
function writeChunk(stageChunks, stage, chunk) {
switch(stage){
case _stagedrendering.RenderStage.Static:
{
stageChunks[_stagedrendering.RenderStage.Static].push(chunk);
// fallthrough
}
case _stagedrendering.RenderStage.Runtime:
{
stageChunks[_stagedrendering.RenderStage.Runtime].push(chunk);
// fallthrough
}
case _stagedrendering.RenderStage.Dynamic:
{
stageChunks[_stagedrendering.RenderStage.Dynamic].push(chunk);
break;
}
default:
{
stage;
}
}
}
async function createCombinedPayloadStream(payload, extraChunksAbortController, renderSignal, clientReferenceManifest, startTime, isDebugChannelEnabled) {
// Collect all the chunks so that we're not dependent on timing of the render.
let isRenderable = true;
const renderableChunks = [];
const allChunks = [];
const debugChunks = isDebugChannelEnabled ? [] : null;
const debugChannel = isDebugChannelEnabled ? (0, _debugchannelserver.createDebugChannel)() : null;
let streamFinished;
await (0, _apprenderrenderutils.runInSequentialTasks)(()=>{
const stream = (0, _server.renderToReadableStream)(payload, clientReferenceManifest.clientModules, {
filterStackFrame,
debugChannel: debugChannel == null ? void 0 : debugChannel.serverSide,
startTime,
onError (error) {
const digest = (0, _createerrorhandler.getDigestForWellKnownError)(error);
if (digest) {
return digest;
}
// Forward existing digests
if (error && typeof error === 'object' && 'digest' in error && typeof error.digest === 'string') {
return error.digest;
}
// We don't need to log the errors because we would have already done that
// when generating the original Flight stream for the whole page.
if (process.env.NEXT_DEBUG_BUILD || process.env.__NEXT_VERBOSE_LOGGING) {
const workStore = _workasyncstorageexternal.workAsyncStorage.getStore();
(0, _prospectiverenderutils.printDebugThrownValueForProspectiveRender)(error, (workStore == null ? void 0 : workStore.route) ?? 'unknown route', _prospectiverenderutils.Phase.InstantValidation);
}
}
});
streamFinished = Promise.all([
// Accumulate Flight chunks
(async ()=>{
for await (const chunk of stream.values()){
allChunks.push(chunk);
if (isRenderable) {
renderableChunks.push(chunk);
}
}
})(),
// Accumulate debug chunks
debugChannel && (async ()=>{
for await (const chunk of debugChannel.clientSide.readable.values()){
debugChunks.push(chunk);
}
})()
]);
}, ()=>{
isRenderable = false;
extraChunksAbortController.abort();
});
await streamFinished;
return {
stream: (0, _streamutils.createNodeStreamWithLateRelease)(renderableChunks, allChunks, renderSignal),
debugStream: debugChunks ? (0, _streamutils.createNodeStreamFromChunks)(debugChunks, renderSignal) : null
};
}
function getRootDataFromPayload(initialRSCPayload) {
// FlightDataPath is an unsound type, hence the additional checks.
const flightDataPaths = initialRSCPayload.f;
if (flightDataPaths.length !== 1 && flightDataPaths[0].length !== 3) {
throw Object.defineProperty(new _invarianterror.InvariantError('InitialRSCPayload does not match the expected shape during instant validation.'), "__NEXT_ERROR_CODE", {
value: "E994",
enumerable: false,
configurable: true
});
}
const flightRouterState = flightDataPaths[0][0];
const seedData = flightDataPaths[0][1];
// TODO: handle head
const head = flightDataPaths[0][2];
return {
flightRouterState,
seedData,
head
};
}
async function createValidationHead(cache, releaseSignal, clientReferenceManifest, stageEndTimes, stage) {
const segmentCacheItem = cache.head;
if (!segmentCacheItem) {
throw Object.defineProperty(new _invarianterror.InvariantError(`Missing segment data: <head>`), "__NEXT_ERROR_CODE", {
value: "E1072",
enumerable: false,
configurable: true
});
}
return await deserializeFromChunks(segmentCacheItem.chunks[stage], segmentCacheItem.chunks[_stagedrendering.RenderStage.Dynamic], segmentCacheItem.debugChunks, releaseSignal, clientReferenceManifest, {
startTime: undefined,
endTime: stageEndTimes[stage]
});
}
/**
* Deserializes a (partial possibly partial) RSC stream, given as a chunk-array.
* If the stream is partial, we'll wait for `releaseSignal` to fire
* and then complete the deserialization using `allChunks`.
*
* This is used to obtain a partially-complete model (that might contain unresolved holes)
* and then release any late debug info from chunks that came later before we abort the render.
* */ function deserializeFromChunks(partialChunks, allChunks, debugChunks, releaseSignal, clientReferenceManifest, timings) {
const debugChannelAbortController = new AbortController();
const debugStream = debugChunks ? (0, _streamutils.createNodeStreamFromChunks)(debugChunks, debugChannelAbortController.signal) : null;
const serverConsumerManifest = {
moduleLoading: null,
moduleMap: clientReferenceManifest.rscModuleMapping,
serverModuleMap: (0, _manifestssingleton.getServerModuleMap)()
};
const segmentStream = partialChunks.length < allChunks.length ? (0, _streamutils.createNodeStreamWithLateRelease)(partialChunks, allChunks, releaseSignal) : (0, _streamutils.createNodeStreamFromChunks)(partialChunks);
segmentStream.on('end', ()=>{
// When the stream finishes, we have to close the debug stream too,
// but delay it to avoid "Connection closed." errors.
setImmediate(()=>debugChannelAbortController.abort());
});
return (0, _client.createFromNodeStream)(segmentStream, serverConsumerManifest, {
findSourceMapURL,
debugChannel: debugStream ?? undefined,
startTime: timings == null ? void 0 : timings.startTime,
endTime: timings == null ? void 0 : timings.endTime
});
}
function createSegmentData(seedData) {
const [node, _parallelRoutesData, _unused, isPartial, varyParams] = seedData;
return {
node,
isPartial,
varyParams
};
}
function getCacheNodeSeedDataFromSegment(data, slots) {
return [
data.node,
slots,
/* unused (previously `loading`) */ null,
data.isPartial,
data.varyParams
];
}
function createSegmentCache() {
return {
head: null,
segments: new Map()
};
}
function createSegmentCacheItem(withDebugChunks) {
return {
chunks: {
[_stagedrendering.RenderStage.Static]: [],
[_stagedrendering.RenderStage.Runtime]: [],
[_stagedrendering.RenderStage.Dynamic]: []
},
debugChunks: withDebugChunks ? [] : null
};
}
/**
* Whether this segment consumes a URL depth level. Each URL depth
* represents a potential navigation boundary.
*
* The root segment ('') consumes depth 0. Regular segments like
* 'dashboard' consume the next depth — whether or not they have a
* layout. Route groups, __PAGE__, __DEFAULT__, and /_not-found don't
* consume a depth — they share the boundary of their parent.
*/ function segmentConsumesURLDepth(segment) {
// Dynamic segments (tuples) always consume a URL depth.
if (typeof segment !== 'string') return true;
// Route groups, pages, defaults, and not-found don't consume a depth.
if (segment.startsWith(_segment.PAGE_SEGMENT_KEY) || (0, _segment.isGroupSegment)(segment) || segment === _segment.DEFAULT_SEGMENT_KEY || segment === _segment.NOT_FOUND_SEGMENT_KEY) {
return false;
}
// Everything else consumes a depth, including the root segment ''.
return true;
}
function discoverValidationDepths(loaderTree) {
const groupDepthsByUrlDepth = [];
function recordGroupDepth(urlDepth, groupDepth) {
while(groupDepthsByUrlDepth.length <= urlDepth){
groupDepthsByUrlDepth.push(0);
}
if (groupDepth > groupDepthsByUrlDepth[urlDepth]) {
groupDepthsByUrlDepth[urlDepth] = groupDepth;
}
}
// urlDepth tracks the index of the current URL-consuming segment.
// Groups accumulate at the same index. When the next URL segment
// is reached, it increments the index and resets the group counter.
// We start at -1 so the root segment '' increments to 0.
function walk(tree, urlDepth, groupDepth) {
const segment = tree[0];
const { parallelRoutes } = (0, _parseloadertree.parseLoaderTree)(tree);
const consumesDepth = segmentConsumesURLDepth(segment);
let nextUrlDepth = urlDepth;
let nextGroupDepth = groupDepth;
if (consumesDepth) {
nextUrlDepth = urlDepth + 1;
nextGroupDepth = 0;
recordGroupDepth(nextUrlDepth, 0);
} else if (typeof segment === 'string' && (0, _segment.isGroupSegment)(segment) && segment !== '(__SLOT__)') {
// Count real route groups but not the synthetic '(__SLOT__)' segment
// that Next.js inserts for parallel slots. The synthetic group
// can't be a real navigation boundary.
nextGroupDepth++;
recordGroupDepth(urlDepth, nextGroupDepth);
}
for(const key in parallelRoutes){
walk(parallelRoutes[key], nextUrlDepth, nextGroupDepth);
}
}
walk(loaderTree, -1, 0);
return groupDepthsByUrlDepth;
}
async function createCombinedPayloadAtDepth(initialRSCPayload, cache, initialLoaderTree, getDynamicParamFromSegment, query, depth, groupDepth, releaseSignal, boundaryState, clientReferenceManifest, stageEndTimes, useRuntimeStageForPartialSegments) {
let hasStaticSegments = false;
let hasRuntimeSegments = false;
function getSegment(loaderTree) {
const dynamicParam = getDynamicParamFromSegment(loaderTree);
if (dynamicParam) {
return dynamicParam.treeSegment;
}
const segment = loaderTree[0];
return query ? (0, _segment.addSearchParamsIfPageSegment)(segment, query) : segment;
}
async function buildSharedTreeSeedData(loaderTree, parentPath, key, urlDepthConsumed, groupDepthConsumed) {
const { parallelRoutes } = (0, _parseloadertree.parseLoaderTree)(loaderTree);
const segment = getSegment(loaderTree);
const path = parentPath === null ? stringifySegment(segment) : createChildSegmentPath(parentPath, key, segment);
debug == null ? void 0 : debug(` ${path || '/'} - Dynamic`);
const segmentCacheItem = cache.segments.get(path);
if (!segmentCacheItem) {
throw Object.defineProperty(new _invarianterror.InvariantError(`Missing segment data: ${path}`), "__NEXT_ERROR_CODE", {
value: "E995",
enumerable: false,
configurable: true
});
}
const segmentData = await deserializeFromChunks(segmentCacheItem.chunks[_stagedrendering.RenderStage.Dynamic], segmentCacheItem.chunks[_stagedrendering.RenderStage.Dynamic], segmentCacheItem.debugChunks, releaseSignal, clientReferenceManifest, null);
const consumesUrlDepth = segmentConsumesURLDepth(segment);
const isGroup = typeof segment === 'string' && (0, _segment.isGroupSegment)(segment) && segment !== '(__SLOT__)';
// Advance counters for this segment before the boundary check,
// mirroring how discoverValidationDepths counts. URL segments
// increment urlDepthConsumed, groups increment groupDepthConsumed.
// The synthetic '(__SLOT__)' segment is excluded — it can't be a
// real navigation boundary.
let nextUrlDepth = urlDepthConsumed;
let currentGroupDepth = groupDepthConsumed;
if (consumesUrlDepth) {
nextUrlDepth++;
currentGroupDepth = 0;
} else if (isGroup) {
currentGroupDepth++;
}
const pastUrlBoundary = nextUrlDepth > depth;
const isBoundary = pastUrlBoundary && currentGroupDepth >= groupDepth;
if (isBoundary) {
debug == null ? void 0 : debug(` ['${path}' is the boundary (url=${nextUrlDepth}, group=${currentGroupDepth})]`);
boundaryState.expectedIds.add(path);
const finalSegmentData = {
...segmentData,
node: // eslint-disable-next-line @next/internal/no-ambiguous-jsx -- bundled in the server layer
/*#__PURE__*/ (0, _jsxruntime.jsx)(_boundary.PlaceValidationBoundaryBelowThisLevel, {
id: path,
children: segmentData.node
}, "c")
};
const slots = {};
let requiresInstantUI = false;
let createInstantStack = null;
for(const parallelRouteKey in parallelRoutes){
const result = await buildNewTreeSeedData(parallelRoutes[parallelRouteKey], path, parallelRouteKey, false);
slots[parallelRouteKey] = result.seedData;
if (result.requiresInstantUI) {
requiresInstantUI = true;
if (createInstantStack === null) {
createInstantStack = result.createInstantStack;
}
}
}
return {
seedData: getCacheNodeSeedDataFromSegment(finalSegmentData, slots),
requiresInstantUI,
createInstantStack
};
}
// Not at the boundary yet — keep walking as shared.
const slots = {};
let requiresInstantUI = false;
let createInstantStack = null;
for(const parallelRouteKey in parallelRoutes){
const result = await buildSharedTreeSeedData(parallelRoutes[parallelRouteKey], path, parallelRouteKey, nextUrlDepth, currentGroupDepth);
slots[parallelRouteKey] = result.seedData;
if (result.requiresInstantUI) {
requiresInstantUI = true;
if (createInstantStack === null) {
createInstantStack = result.createInstantStack;
}
}
}
return {
seedData: getCacheNodeSeedDataFromSegment(segmentData, slots),
requiresInstantUI,
createInstantStack
};
}
async function buildNewTreeSeedData(lt, parentPath, key, isInsideRuntimePrefetch) {
const { parallelRoutes } = (0, _parseloadertree.parseLoaderTree)(lt);
const { mod: layoutOrPageMod } = await (0, _appdirmodule.getLayoutOrPageModule)(lt);
const segment = getSegment(lt);
const path = parentPath === null ? stringifySegment(segment) : createChildSegmentPath(parentPath, key, segment);
let instantConfig = null;
let localCreateInstantStack = null;
if (layoutOrPageMod !== undefined) {
instantConfig = layoutOrPageMod.unstable_instant ?? null;
if (instantConfig && typeof instantConfig === 'object') {
const rawFactory = layoutOrPageMod.__debugCreateInstantConfigStack;
localCreateInstantStack = typeof rawFactory === 'function' ? rawFactory : null;
}
}
let childIsInsideRuntimePrefetch = isInsideRuntimePrefetch;
let stage;
if (!isInsideRuntimePrefetch) {
if (instantConfig && typeof instantConfig === 'object' && instantConfig.prefetch === 'runtime') {
stage = _stagedrendering.RenderStage.Runtime;
childIsInsideRuntimePrefetch = true;
hasRuntimeSegments = true;
} else {
if (useRuntimeStageForPartialSegments) {
stage = _stagedrendering.RenderStage.Runtime;
hasRuntimeSegments = true;
} else {
stage = _stagedrendering.RenderStage.Static;
hasStaticSegments = true;
}
}
} else {
stage = _stagedrendering.RenderStage.Runtime;
hasRuntimeSegments = true;
}
debug == null ? void 0 : debug(` ${path || '/'} - ${_stagedrendering.RenderStage[stage]}`);
const segmentCacheItem = cache.segments.get(path);
if (!segmentCacheItem) {
throw Object.defineProperty(new _invarianterror.InvariantError(`Missing segment data: ${path}`), "__NEXT_ERROR_CODE", {
value: "E995",
enumerable: false,
configurable: true
});
}
const segmentData = await deserializeFromChunks(segmentCacheItem.chunks[stage], segmentCacheItem.chunks[_stagedrendering.RenderStage.Dynamic], segmentCacheItem.debugChunks, releaseSignal, clientReferenceManifest, {
startTime: undefined,
endTime: stageEndTimes[stage]
});
// Build children first, then determine requiresInstantUI.
const slots = {};
let childrenRequireInstantUI = false;
let childCreateInstantStack = null;
for(const parallelRouteKey in parallelRoutes){
const result = await buildNewTreeSeedData(parallelRoutes[parallelRouteKey], path, parallelRouteKey, childIsInsideRuntimePrefetch);
slots[parallelRouteKey] = result.seedData;
if (result.requiresInstantUI) {
childrenRequireInstantUI = true;
if (childCreateInstantStack === null) {
childCreateInstantStack = result.createInstantStack;
}
}
}
// Local config takes precedence over children.
let requiresInstantUI;
let createInstantStack;
if (instantConfig === false) {
requiresInstantUI = false;
createInstantStack = null;
} else if (instantConfig && typeof instantConfig === 'object') {
requiresInstantUI = true;
createInstantStack = localCreateInstantStack;
} else {
requiresInstantUI = childrenRequireInstantUI;
createInstantStack = childCreateInstantStack;
}
return {
seedData: getCacheNodeSeedDataFromSegment(segmentData, slots),
requiresInstantUI,
createInstantStack
};
}
const { seedData, requiresInstantUI, createInstantStack } = await buildSharedTreeSeedData(initialLoaderTree, null, null, 0 /* urlDepthConsumed */ , 0 /* groupDepthConsumed */ );
if (!requiresInstantUI) {
return null;
}
const { flightRouterState } = getRootDataFromPayload(initialRSCPayload);
const headStage = hasRuntimeSegments ? _stagedrendering.RenderStage.Runtime : _stagedrendering.RenderStage.Static;
const head = await createValidationHead(cache, releaseSignal, clientReferenceManifest, stageEndTimes, headStage);
const payload = {
...initialRSCPayload,
f: [
[
flightRouterState,
seedData,
head
]
]
};
return {
payload,
hasAmbiguousErrors: hasStaticSegments,
createInstantStack
};
}
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