FM / app-render

/opt/canhelp/node_modules/next/dist/esm/server/app-render/

/opt/canhelp/node_modules/next/dist/esm/server/app-render

Name	Size	Mode	Actions
metadata-insertion/	-	0755	rm
module-loading/	-	0755	rm
rsc/	-	0755	rm
action-async-storage-instance.js	192	0644	edit dl rm
action-async-storage-instance.js.map	503	0644	edit dl rm
action-async-storage.external.js	302	0644	edit dl rm
action-async-storage.external.js.map	765	0644	edit dl rm
action-handler.js	47638	0644	edit dl rm
action-handler.js.map	68659	0644	edit dl rm
action-utils.js	3705	0644	edit dl rm
action-utils.js.map	5560	0644	edit dl rm
after-task-async-storage-instance.js	199	0644	edit dl rm
after-task-async-storage-instance.js.map	523	0644	edit dl rm
after-task-async-storage.external.js	311	0644	edit dl rm
after-task-async-storage.external.js.map	1064	0644	edit dl rm
app-render-prerender-utils.js	6762	0644	edit dl rm
app-render-prerender-utils.js.map	10813	0644	edit dl rm
app-render-render-utils.js	1119	0644	edit dl rm
app-render-render-utils.js.map	1618	0644	edit dl rm
app-render.js	157902	0644	edit dl rm
app-render.js.map	239776	0644	edit dl rm
async-local-storage.js	1496	0644	edit dl rm
async-local-storage.js.map	2735	0644	edit dl rm
cache-signal.js	5730	0644	edit dl rm
cache-signal.js.map	8119	0644	edit dl rm
collect-segment-data.js	13005	0644	edit dl rm
collect-segment-data.js.map	22398	0644	edit dl rm
create-component-styles-and-scripts.js	1138	0644	edit dl rm
create-component-styles-and-scripts.js.map	2482	0644	edit dl rm
create-component-tree.js	39485	0644	edit dl rm
create-component-tree.js.map	59317	0644	edit dl rm
create-error-handler.js	8900	0644	edit dl rm
create-error-handler.js.map	13934	0644	edit dl rm
create-flight-router-state-from-loader-tree.js	3249	0644	edit dl rm
create-flight-router-state-from-loader-tree.js.map	5682	0644	edit dl rm
csrf-protection.js	2801	0644	edit dl rm
csrf-protection.js.map	3924	0644	edit dl rm
dynamic-access-async-storage-instance.js	207	0644	edit dl rm
dynamic-access-async-storage-instance.js.map	537	0644	edit dl rm
dynamic-access-async-storage.external.js	339	0644	edit dl rm
dynamic-access-async-storage.external.js.map	823	0644	edit dl rm
dynamic-rendering.js	30863	0644	edit dl rm
dynamic-rendering.js.map	45598	0644	edit dl rm
encryption-utils-server.js	4277	0644	edit dl rm
encryption-utils-server.js.map	7131	0644	edit dl rm
encryption-utils.js	6595	0644	edit dl rm
encryption-utils.js.map	11128	0644	edit dl rm
encryption.js	11249	0644	edit dl rm
encryption.js.map	16768	0644	edit dl rm
entry-base.js	3181	0644	edit dl rm
entry-base.js.map	6055	0644	edit dl rm
flight-render-result.js	509	0644	edit dl rm
flight-render-result.js.map	987	0644	edit dl rm
get-asset-query-string.js	779	0644	edit dl rm
get-asset-query-string.js.map	1573	0644	edit dl rm
get-css-inlined-link-tags.js	1403	0644	edit dl rm
get-css-inlined-link-tags.js.map	2570	0644	edit dl rm
get-layer-assets.js	2787	0644	edit dl rm
get-layer-assets.js.map	5550	0644	edit dl rm
get-preloadable-fonts.js	1294	0644	edit dl rm
get-preloadable-fonts.js.map	2384	0644	edit dl rm
get-script-nonce-from-header.js	1775	0644	edit dl rm
get-script-nonce-from-header.js.map	2784	0644	edit dl rm
get-segment-param.js	1358	0644	edit dl rm
get-segment-param.js.map	2352	0644	edit dl rm
get-short-dynamic-param-type.js	664	0644	edit dl rm
get-short-dynamic-param-type.js.map	1167	0644	edit dl rm
has-loading-component-in-tree.js	312	0644	edit dl rm
has-loading-component-in-tree.js.map	796	0644	edit dl rm
interop-default.js	181	0644	edit dl rm
interop-default.js.map	394	0644	edit dl rm
make-get-server-inserted-html.js	4076	0644	edit dl rm
make-get-server-inserted-html.js.map	6615	0644	edit dl rm
parse-and-validate-flight-router-state.js	1571	0644	edit dl rm
parse-and-validate-flight-router-state.js.map	2435	0644	edit dl rm
parse-loader-tree.js	798	0644	edit dl rm
parse-loader-tree.js.map	1427	0644	edit dl rm
postponed-state.js	5431	0644	edit dl rm
postponed-state.js.map	9091	0644	edit dl rm
prospective-render-utils.js	2277	0644	edit dl rm
prospective-render-utils.js.map	3421	0644	edit dl rm
react-large-shell-error.js	370	0644	edit dl rm
react-large-shell-error.js.map	773	0644	edit dl rm
react-server.node.js	316	0644	edit dl rm
react-server.node.js.map	637	0644	edit dl rm
render-css-resource.js	2407	0644	edit dl rm
render-css-resource.js.map	3963	0644	edit dl rm
required-scripts.js	2442	0644	edit dl rm
required-scripts.js.map	4294	0644	edit dl rm
segment-explorer-path.js	2756	0644	edit dl rm
segment-explorer-path.js.map	5208	0644	edit dl rm
server-inserted-html.js	1030	0644	edit dl rm
server-inserted-html.js.map	1778	0644	edit dl rm
strip-flight-headers.js	365	0644	edit dl rm
strip-flight-headers.js.map	738	0644	edit dl rm
types.js	2020	0644	edit dl rm
types.js.map	13145	0644	edit dl rm
use-flight-response.js	6758	0644	edit dl rm
use-flight-response.js.map	11158	0644	edit dl rm
walk-tree-with-flight-router-state.js	10808	0644	edit dl rm
walk-tree-with-flight-router-state.js.map	17382	0644	edit dl rm
work-async-storage-instance.js	188	0644	edit dl rm
work-async-storage-instance.js.map	491	0644	edit dl rm
work-async-storage.external.js	292	0644	edit dl rm
work-async-storage.external.js.map	4274	0644	edit dl rm
work-unit-async-storage-instance.js	197	0644	edit dl rm
work-unit-async-storage-instance.js.map	517	0644	edit dl rm
work-unit-async-storage.external.js	6423	0644	edit dl rm
work-unit-async-storage.external.js.map	20959	0644	edit dl rm

Edit: /opt/canhelp/node_modules/next/dist/esm/server/app-render/walk-tree-with-flight-router-state.js (10808B)

import { matchSegment } from '../../client/components/match-segments';
import { getLinkAndScriptTags } from './get-css-inlined-link-tags';
import { getPreloadableFonts } from './get-preloadable-fonts';
import { createFlightRouterStateFromLoaderTree, createRouteTreePrefetch } from './create-flight-router-state-from-loader-tree';
import { hasLoadingComponentInTree } from './has-loading-component-in-tree';
import { DEFAULT_SEGMENT_KEY, addSearchParamsIfPageSegment } from '../../shared/lib/segment';
import { createComponentTree } from './create-component-tree';
import { getSegmentParam } from './get-segment-param';
/**
 * Use router state to decide at what common layout to render the page.
 * This can either be the common layout between two pages or a specific place to start rendering from using the "refetch" marker in the tree.
 */ export async function walkTreeWithFlightRouterState({ loaderTreeToFilter, parentParams, flightRouterState, parentIsInsideSharedLayout, rscHead, injectedCSS, injectedJS, injectedFontPreloadTags, rootLayoutIncluded, getViewportReady, getMetadataReady, ctx, preloadCallbacks, StreamingMetadataOutlet }) {
    const { renderOpts: { nextFontManifest, experimental }, query, isPrefetch, getDynamicParamFromSegment, parsedRequestHeaders } = ctx;
    const [segment, parallelRoutes, modules] = loaderTreeToFilter;
    const parallelRoutesKeys = Object.keys(parallelRoutes);
    const { layout } = modules;
    const isLayout = typeof layout !== 'undefined';
    /**
   * Checks if the current segment is a root layout.
   */ const rootLayoutAtThisLevel = isLayout && !rootLayoutIncluded;
    /**
   * Checks if the current segment or any level above it has a root layout.
   */ const rootLayoutIncludedAtThisLevelOrAbove = rootLayoutIncluded || rootLayoutAtThisLevel;
    // Because this function walks to a deeper point in the tree to start rendering we have to track the dynamic parameters up to the point where rendering starts
    const segmentParam = getDynamicParamFromSegment(segment);
    const currentParams = // Handle null case where dynamic param is optional
    segmentParam && segmentParam.value !== null ? {
        ...parentParams,
        [segmentParam.param]: segmentParam.value
    } : parentParams;
    const actualSegment = addSearchParamsIfPageSegment(segmentParam ? segmentParam.treeSegment : segment, query);
    /**
   * Decide if the current segment is where rendering has to start.
   */ const renderComponentsOnThisLevel = // No further router state available
    !flightRouterState || // Segment in router state does not match current segment
    !matchSegment(actualSegment, flightRouterState[0]) || // Last item in the tree
    parallelRoutesKeys.length === 0 || // Explicit refresh
    flightRouterState[3] === 'refetch';
    // Pre-PPR, the `loading` component signals to the router how deep to render the component tree
    // to ensure prefetches are quick and inexpensive. If there's no `loading` component anywhere in the tree being rendered,
    // the prefetch will be short-circuited to avoid requesting a potentially very expensive subtree. If there's a `loading`
    // somewhere in the tree, we'll recursively render the component tree up until we encounter that loading component, and then stop.
    // Check if we're inside the "new" part of the navigation — inside the
    // shared layout. In the case of a prefetch, this can be true even if the
    // segment matches, because the client might send a matching segment to
    // indicate that it already has the data in its cache. But in order to find
    // the correct loading boundary, we still need to track where the shared
    // layout begins.
    //
    // TODO: We should rethink the protocol for dynamic requests. It might not
    // make sense for the client to send a FlightRouterState, since that type is
    // overloaded with other concerns.
    const isInsideSharedLayout = renderComponentsOnThisLevel || parentIsInsideSharedLayout || flightRouterState[3] === 'inside-shared-layout';
    if (isInsideSharedLayout && !experimental.isRoutePPREnabled && // If PPR is disabled, and this is a request for the route tree, then we
    // never render any components. Only send the router state.
    (parsedRequestHeaders.isRouteTreePrefetchRequest || // Otherwise, check for the presence of a `loading` component.
    isPrefetch && !Boolean(modules.loading) && !hasLoadingComponentInTree(loaderTreeToFilter))) {
        // Send only the router state.
        // TODO: Even for a dynamic route, we should cache these responses,
        // because they do not contain any render data (neither segment data nor
        // the head). They can be made even more cacheable once we move the route
        // params into a separate data structure.
        const overriddenSegment = flightRouterState && // TODO: Why does canSegmentBeOverridden exist? Why don't we always just
        // use `actualSegment`? Is it to avoid overwriting some state that's
        // tracked by the client? Dig deeper to see if we can simplify this.
        canSegmentBeOverridden(actualSegment, flightRouterState[0]) ? flightRouterState[0] : actualSegment;
        const routerState = parsedRequestHeaders.isRouteTreePrefetchRequest ? createRouteTreePrefetch(loaderTreeToFilter, getDynamicParamFromSegment) : createFlightRouterStateFromLoaderTree(loaderTreeToFilter, getDynamicParamFromSegment, query);
        return [
            [
                overriddenSegment,
                routerState,
                null,
                [
                    null,
                    null
                ],
                true
            ]
        ];
    }
    // Similar to the previous branch. This flag is sent by the client to request
    // only the metadata for a page. No segment data.
    if (flightRouterState && flightRouterState[3] === 'metadata-only') {
        const overriddenSegment = flightRouterState && canSegmentBeOverridden(actualSegment, flightRouterState[0]) ? flightRouterState[0] : actualSegment;
        const routerState = parsedRequestHeaders.isRouteTreePrefetchRequest ? createRouteTreePrefetch(loaderTreeToFilter, getDynamicParamFromSegment) : createFlightRouterStateFromLoaderTree(loaderTreeToFilter, getDynamicParamFromSegment, query);
        return [
            [
                overriddenSegment,
                routerState,
                null,
                rscHead,
                false
            ]
        ];
    }
    if (renderComponentsOnThisLevel) {
        const overriddenSegment = flightRouterState && // TODO: Why does canSegmentBeOverridden exist? Why don't we always just
        // use `actualSegment`? Is it to avoid overwriting some state that's
        // tracked by the client? Dig deeper to see if we can simplify this.
        canSegmentBeOverridden(actualSegment, flightRouterState[0]) ? flightRouterState[0] : actualSegment;
        const routerState = createFlightRouterStateFromLoaderTree(// Create router state using the slice of the loaderTree
        loaderTreeToFilter, getDynamicParamFromSegment, query);
        // Create component tree using the slice of the loaderTree
        const seedData = await createComponentTree(// This ensures flightRouterPath is valid and filters down the tree
        {
            ctx,
            loaderTree: loaderTreeToFilter,
            parentParams: currentParams,
            injectedCSS,
            injectedJS,
            injectedFontPreloadTags,
            // This is intentionally not "rootLayoutIncludedAtThisLevelOrAbove" as createComponentTree starts at the current level and does a check for "rootLayoutAtThisLevel" too.
            rootLayoutIncluded,
            getViewportReady,
            getMetadataReady,
            preloadCallbacks,
            authInterrupts: experimental.authInterrupts,
            StreamingMetadataOutlet
        });
        return [
            [
                overriddenSegment,
                routerState,
                seedData,
                rscHead,
                false
            ]
        ];
    }
    // If we are not rendering on this level we need to check if the current
    // segment has a layout. If so, we need to track all the used CSS to make
    // the result consistent.
    const layoutPath = layout == null ? void 0 : layout[1];
    const injectedCSSWithCurrentLayout = new Set(injectedCSS);
    const injectedJSWithCurrentLayout = new Set(injectedJS);
    const injectedFontPreloadTagsWithCurrentLayout = new Set(injectedFontPreloadTags);
    if (layoutPath) {
        getLinkAndScriptTags(ctx.clientReferenceManifest, layoutPath, injectedCSSWithCurrentLayout, injectedJSWithCurrentLayout, true);
        getPreloadableFonts(nextFontManifest, layoutPath, injectedFontPreloadTagsWithCurrentLayout);
    }
    const paths = [];
    // Walk through all parallel routes.
    for (const parallelRouteKey of parallelRoutesKeys){
        const parallelRoute = parallelRoutes[parallelRouteKey];
        const subPaths = await walkTreeWithFlightRouterState({
            ctx,
            loaderTreeToFilter: parallelRoute,
            parentParams: currentParams,
            flightRouterState: flightRouterState && flightRouterState[1][parallelRouteKey],
            parentIsInsideSharedLayout: isInsideSharedLayout,
            rscHead,
            injectedCSS: injectedCSSWithCurrentLayout,
            injectedJS: injectedJSWithCurrentLayout,
            injectedFontPreloadTags: injectedFontPreloadTagsWithCurrentLayout,
            rootLayoutIncluded: rootLayoutIncludedAtThisLevelOrAbove,
            getViewportReady,
            getMetadataReady,
            preloadCallbacks,
            StreamingMetadataOutlet
        });
        for (const subPath of subPaths){
            // we don't need to send over default routes in the flight data
            // because they are always ignored by the client, unless it's a refetch
            if (subPath[0] === DEFAULT_SEGMENT_KEY && flightRouterState && !!flightRouterState[1][parallelRouteKey][0] && flightRouterState[1][parallelRouteKey][3] !== 'refetch') {
                continue;
            }
            paths.push([
                actualSegment,
                parallelRouteKey,
                ...subPath
            ]);
        }
    }
    return paths;
}
/*
 * This function is used to determine if an existing segment can be overridden
 * by the incoming segment.
 */ const canSegmentBeOverridden = (existingSegment, segment)=>{
    var _getSegmentParam;
    if (Array.isArray(existingSegment) || !Array.isArray(segment)) {
        return false;
    }
    return ((_getSegmentParam = getSegmentParam(existingSegment)) == null ? void 0 : _getSegmentParam.param) === segment[0];
};

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