frontend/node_modules/next/dist/esm/export/index.js

import { createStaticWorker } from '../build';
import { bold, yellow } from '../lib/picocolors';
import findUp from 'next/dist/compiled/find-up';
import { existsSync, promises as fs } from 'fs';
import '../server/require-hook';
import { dirname, join, resolve, sep, relative } from 'path';
import { formatAmpMessages } from '../build/output/index';
import * as Log from '../build/output/log';
import { RSC_SEGMENT_SUFFIX, RSC_SEGMENTS_DIR_SUFFIX, RSC_SUFFIX, SSG_FALLBACK_EXPORT_ERROR } from '../lib/constants';
import { recursiveCopy } from '../lib/recursive-copy';
import { BUILD_ID_FILE, CLIENT_PUBLIC_FILES_PATH, CLIENT_STATIC_FILES_PATH, EXPORT_DETAIL, EXPORT_MARKER, NEXT_FONT_MANIFEST, MIDDLEWARE_MANIFEST, PAGES_MANIFEST, PHASE_EXPORT, PRERENDER_MANIFEST, SERVER_DIRECTORY, SERVER_REFERENCE_MANIFEST, APP_PATH_ROUTES_MANIFEST, ROUTES_MANIFEST, FUNCTIONS_CONFIG_MANIFEST } from '../shared/lib/constants';
import loadConfig from '../server/config';
import { eventCliSession } from '../telemetry/events';
import { hasNextSupport } from '../server/ci-info';
import { Telemetry } from '../telemetry/storage';
import { normalizePagePath } from '../shared/lib/page-path/normalize-page-path';
import { denormalizePagePath } from '../shared/lib/page-path/denormalize-page-path';
import { loadEnvConfig } from '@next/env';
import { isAPIRoute } from '../lib/is-api-route';
import { getPagePath } from '../server/require';
import { isAppRouteRoute } from '../lib/is-app-route-route';
import { isAppPageRoute } from '../lib/is-app-page-route';
import isError from '../lib/is-error';
import { formatManifest } from '../build/manifests/formatter/format-manifest';
import { TurborepoAccessTraceResult } from '../build/turborepo-access-trace';
import { createProgress } from '../build/progress';
import { isInterceptionRouteRewrite } from '../lib/generate-interception-routes-rewrites';
import { extractInfoFromServerReferenceId } from '../shared/lib/server-reference-info';
import { convertSegmentPathToStaticExportFilename } from '../shared/lib/segment-cache/segment-value-encoding';
import { getNextBuildDebuggerPortOffset } from '../lib/worker';
export class ExportError extends Error {
    constructor(...args){
        super(...args), this.code = 'NEXT_EXPORT_ERROR';
    }
}
async function exportAppImpl(dir, options, span) {
    var _nextConfig_amp, _nextConfig_experimental_amp, _nextConfig_experimental_amp1;
    dir = resolve(dir);
    // attempt to load global env values so they are available in next.config.js
    span.traceChild('load-dotenv').traceFn(()=>loadEnvConfig(dir, false, Log));
    const { enabledDirectories } = options;
    const nextConfig = options.nextConfig || await span.traceChild('load-next-config').traceAsyncFn(()=>loadConfig(PHASE_EXPORT, dir, {
            debugPrerender: options.debugPrerender
        }));
    const distDir = join(dir, nextConfig.distDir);
    const telemetry = options.buildExport ? null : new Telemetry({
        distDir
    });
    if (telemetry) {
        telemetry.record(eventCliSession(distDir, nextConfig, {
            webpackVersion: null,
            cliCommand: 'export',
            isSrcDir: null,
            hasNowJson: !!await findUp('now.json', {
                cwd: dir
            }),
            isCustomServer: null,
            turboFlag: false,
            pagesDir: null,
            appDir: null
        }));
    }
    const subFolders = nextConfig.trailingSlash && !options.buildExport;
    if (!options.silent && !options.buildExport) {
        Log.info(`using build directory: ${distDir}`);
    }
    const buildIdFile = join(distDir, BUILD_ID_FILE);
    if (!existsSync(buildIdFile)) {
        throw Object.defineProperty(new ExportError(`Could not find a production build in the '${distDir}' directory. Try building your app with 'next build' before starting the static export. https://nextjs.org/docs/messages/next-export-no-build-id`), "__NEXT_ERROR_CODE", {
            value: "E610",
            enumerable: false,
            configurable: true
        });
    }
    const customRoutes = [
        'rewrites',
        'redirects',
        'headers'
    ].filter((config)=>typeof nextConfig[config] === 'function');
    if (!hasNextSupport && !options.buildExport && customRoutes.length > 0) {
        Log.warn(`rewrites, redirects, and headers are not applied when exporting your application, detected (${customRoutes.join(', ')}). See more info here: https://nextjs.org/docs/messages/export-no-custom-routes`);
    }
    const buildId = await fs.readFile(buildIdFile, 'utf8');
    const pagesManifest = !options.pages && require(join(distDir, SERVER_DIRECTORY, PAGES_MANIFEST));
    let prerenderManifest;
    try {
        prerenderManifest = require(join(distDir, PRERENDER_MANIFEST));
    } catch  {}
    let appRoutePathManifest;
    try {
        appRoutePathManifest = require(join(distDir, APP_PATH_ROUTES_MANIFEST));
    } catch (err) {
        if (isError(err) && (err.code === 'ENOENT' || err.code === 'MODULE_NOT_FOUND')) {
            // the manifest doesn't exist which will happen when using
            // "pages" dir instead of "app" dir.
            appRoutePathManifest = undefined;
        } else {
            // the manifest is malformed (invalid json)
            throw err;
        }
    }
    const excludedPrerenderRoutes = new Set();
    const pages = options.pages || Object.keys(pagesManifest);
    const defaultPathMap = {};
    let hasApiRoutes = false;
    for (const page of pages){
        // _document and _app are not real pages
        // _error is exported as 404.html later on
        // API Routes are Node.js functions
        if (isAPIRoute(page)) {
            hasApiRoutes = true;
            continue;
        }
        if (page === '/_document' || page === '/_app' || page === '/_error') {
            continue;
        }
        // iSSG pages that are dynamic should not export templated version by
        // default. In most cases, this would never work. There is no server that
        // could run `getStaticProps`. If users make their page work lazily, they
        // can manually add it to the `exportPathMap`.
        if (prerenderManifest == null ? void 0 : prerenderManifest.dynamicRoutes[page]) {
            excludedPrerenderRoutes.add(page);
            continue;
        }
        defaultPathMap[page] = {
            page
        };
    }
    const mapAppRouteToPage = new Map();
    if (!options.buildExport && appRoutePathManifest) {
        for (const [pageName, routePath] of Object.entries(appRoutePathManifest)){
            mapAppRouteToPage.set(routePath, pageName);
            if (isAppPageRoute(pageName) && !(prerenderManifest == null ? void 0 : prerenderManifest.routes[routePath]) && !(prerenderManifest == null ? void 0 : prerenderManifest.dynamicRoutes[routePath])) {
                defaultPathMap[routePath] = {
                    page: pageName,
                    _isAppDir: true
                };
            }
        }
    }
    // Initialize the output directory
    const outDir = options.outdir;
    if (outDir === join(dir, 'public')) {
        throw Object.defineProperty(new ExportError(`The 'public' directory is reserved in Next.js and can not be used as the export out directory. https://nextjs.org/docs/messages/can-not-output-to-public`), "__NEXT_ERROR_CODE", {
            value: "E588",
            enumerable: false,
            configurable: true
        });
    }
    if (outDir === join(dir, 'static')) {
        throw Object.defineProperty(new ExportError(`The 'static' directory is reserved in Next.js and can not be used as the export out directory. https://nextjs.org/docs/messages/can-not-output-to-static`), "__NEXT_ERROR_CODE", {
            value: "E548",
            enumerable: false,
            configurable: true
        });
    }
    await fs.rm(outDir, {
        recursive: true,
        force: true
    });
    await fs.mkdir(join(outDir, '_next', buildId), {
        recursive: true
    });
    await fs.writeFile(join(distDir, EXPORT_DETAIL), formatManifest({
        version: 1,
        outDirectory: outDir,
        success: false
    }), 'utf8');
    // Copy static directory
    if (!options.buildExport && existsSync(join(dir, 'static'))) {
        if (!options.silent) {
            Log.info('Copying "static" directory');
        }
        await span.traceChild('copy-static-directory').traceAsyncFn(()=>recursiveCopy(join(dir, 'static'), join(outDir, 'static')));
    }
    // Copy .next/static directory
    if (!options.buildExport && existsSync(join(distDir, CLIENT_STATIC_FILES_PATH))) {
        if (!options.silent) {
            Log.info('Copying "static build" directory');
        }
        await span.traceChild('copy-next-static-directory').traceAsyncFn(()=>recursiveCopy(join(distDir, CLIENT_STATIC_FILES_PATH), join(outDir, '_next', CLIENT_STATIC_FILES_PATH)));
    }
    // Get the exportPathMap from the config file
    if (typeof nextConfig.exportPathMap !== 'function') {
        nextConfig.exportPathMap = async (defaultMap)=>{
            return defaultMap;
        };
    }
    const { i18n, images: { loader = 'default', unoptimized } } = nextConfig;
    if (i18n && !options.buildExport) {
        throw Object.defineProperty(new ExportError(`i18n support is not compatible with next export. See here for more info on deploying: https://nextjs.org/docs/messages/export-no-custom-routes`), "__NEXT_ERROR_CODE", {
            value: "E587",
            enumerable: false,
            configurable: true
        });
    }
    if (!options.buildExport) {
        const { isNextImageImported } = await span.traceChild('is-next-image-imported').traceAsyncFn(()=>fs.readFile(join(distDir, EXPORT_MARKER), 'utf8').then((text)=>JSON.parse(text)).catch(()=>({})));
        if (isNextImageImported && loader === 'default' && !unoptimized && !hasNextSupport) {
            throw Object.defineProperty(new ExportError(`Image Optimization using the default loader is not compatible with export.
  Possible solutions:
    - Use \`next start\` to run a server, which includes the Image Optimization API.
    - Configure \`images.unoptimized = true\` in \`next.config.js\` to disable the Image Optimization API.
  Read more: https://nextjs.org/docs/messages/export-image-api`), "__NEXT_ERROR_CODE", {
                value: "E603",
                enumerable: false,
                configurable: true
            });
        }
    }
    let serverActionsManifest;
    if (enabledDirectories.app) {
        serverActionsManifest = require(join(distDir, SERVER_DIRECTORY, SERVER_REFERENCE_MANIFEST + '.json'));
        if (nextConfig.output === 'export') {
            var _routesManifest_rewrites_beforeFiles, _routesManifest_rewrites;
            const routesManifest = require(join(distDir, ROUTES_MANIFEST));
            // We already prevent rewrites earlier in the process, however Next.js will insert rewrites
            // for interception routes so we need to check for that here.
            if ((routesManifest == null ? void 0 : (_routesManifest_rewrites = routesManifest.rewrites) == null ? void 0 : (_routesManifest_rewrites_beforeFiles = _routesManifest_rewrites.beforeFiles) == null ? void 0 : _routesManifest_rewrites_beforeFiles.length) > 0) {
                const hasInterceptionRouteRewrite = routesManifest.rewrites.beforeFiles.some(isInterceptionRouteRewrite);
                if (hasInterceptionRouteRewrite) {
                    throw Object.defineProperty(new ExportError(`Intercepting routes are not supported with static export.\nRead more: https://nextjs.org/docs/app/building-your-application/deploying/static-exports#unsupported-features`), "__NEXT_ERROR_CODE", {
                        value: "E626",
                        enumerable: false,
                        configurable: true
                    });
                }
            }
            const actionIds = [
                ...Object.keys(serverActionsManifest.node),
                ...Object.keys(serverActionsManifest.edge)
            ];
            if (actionIds.some((actionId)=>extractInfoFromServerReferenceId(actionId).type === 'server-action')) {
                throw Object.defineProperty(new ExportError(`Server Actions are not supported with static export.\nRead more: https://nextjs.org/docs/app/building-your-application/deploying/static-exports#unsupported-features`), "__NEXT_ERROR_CODE", {
                    value: "E625",
                    enumerable: false,
                    configurable: true
                });
            }
        }
    }
    // Start the rendering process
    const renderOpts = {
        previewProps: prerenderManifest == null ? void 0 : prerenderManifest.preview,
        nextExport: true,
        assetPrefix: nextConfig.assetPrefix.replace(/\/$/, ''),
        distDir,
        dev: false,
        basePath: nextConfig.basePath,
        trailingSlash: nextConfig.trailingSlash,
        canonicalBase: ((_nextConfig_amp = nextConfig.amp) == null ? void 0 : _nextConfig_amp.canonicalBase) || '',
        ampSkipValidation: ((_nextConfig_experimental_amp = nextConfig.experimental.amp) == null ? void 0 : _nextConfig_experimental_amp.skipValidation) || false,
        ampOptimizerConfig: ((_nextConfig_experimental_amp1 = nextConfig.experimental.amp) == null ? void 0 : _nextConfig_experimental_amp1.optimizer) || undefined,
        locales: i18n == null ? void 0 : i18n.locales,
        locale: i18n == null ? void 0 : i18n.defaultLocale,
        defaultLocale: i18n == null ? void 0 : i18n.defaultLocale,
        domainLocales: i18n == null ? void 0 : i18n.domains,
        disableOptimizedLoading: nextConfig.experimental.disableOptimizedLoading,
        // Exported pages do not currently support dynamic HTML.
        supportsDynamicResponse: false,
        crossOrigin: nextConfig.crossOrigin,
        optimizeCss: nextConfig.experimental.optimizeCss,
        nextConfigOutput: nextConfig.output,
        nextScriptWorkers: nextConfig.experimental.nextScriptWorkers,
        largePageDataBytes: nextConfig.experimental.largePageDataBytes,
        serverActions: nextConfig.experimental.serverActions,
        serverComponents: enabledDirectories.app,
        cacheLifeProfiles: nextConfig.experimental.cacheLife,
        nextFontManifest: require(join(distDir, 'server', `${NEXT_FONT_MANIFEST}.json`)),
        images: nextConfig.images,
        ...enabledDirectories.app ? {
            serverActionsManifest
        } : {},
        deploymentId: nextConfig.deploymentId,
        htmlLimitedBots: nextConfig.htmlLimitedBots.source,
        experimental: {
            clientTraceMetadata: nextConfig.experimental.clientTraceMetadata,
            expireTime: nextConfig.expireTime,
            staleTimes: nextConfig.experimental.staleTimes,
            cacheComponents: nextConfig.experimental.cacheComponents ?? false,
            clientSegmentCache: nextConfig.experimental.clientSegmentCache === 'client-only' ? 'client-only' : Boolean(nextConfig.experimental.clientSegmentCache),
            clientParamParsing: nextConfig.experimental.clientParamParsing ?? false,
            dynamicOnHover: nextConfig.experimental.dynamicOnHover ?? false,
            inlineCss: nextConfig.experimental.inlineCss ?? false,
            authInterrupts: !!nextConfig.experimental.authInterrupts
        },
        reactMaxHeadersLength: nextConfig.reactMaxHeadersLength,
        hasReadableErrorStacks: nextConfig.experimental.serverSourceMaps === true && // TODO(NDX-531): Checking (and setting) the minify flags should be
        // unnecessary once name mapping is fixed.
        (process.env.TURBOPACK ? nextConfig.experimental.turbopackMinify === false : nextConfig.experimental.serverMinification === false) && nextConfig.experimental.enablePrerenderSourceMaps === true
    };
    const { publicRuntimeConfig } = nextConfig;
    if (Object.keys(publicRuntimeConfig).length > 0) {
        renderOpts.runtimeConfig = publicRuntimeConfig;
    }
    // We need this for server rendering the Link component.
    ;
    globalThis.__NEXT_DATA__ = {
        nextExport: true
    };
    const exportPathMap = await span.traceChild('run-export-path-map').traceAsyncFn(async ()=>{
        const exportMap = await nextConfig.exportPathMap(defaultPathMap, {
            dev: false,
            dir,
            outDir,
            distDir,
            buildId
        });
        return exportMap;
    });
    // only add missing 404 page when `buildExport` is false
    if (!options.buildExport) {
        // only add missing /404 if not specified in `exportPathMap`
        if (!exportPathMap['/404']) {
            exportPathMap['/404'] = {
                page: '/_error'
            };
        }
        /**
     * exports 404.html for backwards compat
     * E.g. GitHub Pages, GitLab Pages, Cloudflare Pages, Netlify
     */ if (!exportPathMap['/404.html']) {
            // alias /404.html to /404 to be compatible with custom 404 / _error page
            exportPathMap['/404.html'] = exportPathMap['/404'];
        }
    }
    const allExportPaths = [];
    const seenExportPaths = new Set();
    const fallbackEnabledPages = new Set();
    for (const [path, entry] of Object.entries(exportPathMap)){
        // make sure to prevent duplicates
        const normalizedPath = denormalizePagePath(normalizePagePath(path));
        if (seenExportPaths.has(normalizedPath)) {
            continue;
        }
        seenExportPaths.add(normalizedPath);
        if (!entry._isAppDir && isAPIRoute(entry.page)) {
            hasApiRoutes = true;
            continue;
        }
        allExportPaths.push({
            ...entry,
            path: normalizedPath
        });
        if (prerenderManifest && !options.buildExport) {
            const prerenderInfo = prerenderManifest.dynamicRoutes[entry.page];
            if (prerenderInfo && prerenderInfo.fallback !== false) {
                fallbackEnabledPages.add(entry.page);
            }
        }
    }
    if (allExportPaths.length === 0) {
        return null;
    }
    if (fallbackEnabledPages.size > 0) {
        throw Object.defineProperty(new ExportError(`Found pages with \`fallback\` enabled:\n${[
            ...fallbackEnabledPages
        ].join('\n')}\n${SSG_FALLBACK_EXPORT_ERROR}\n`), "__NEXT_ERROR_CODE", {
            value: "E533",
            enumerable: false,
            configurable: true
        });
    }
    let hasMiddleware = false;
    if (!options.buildExport) {
        try {
            var _functionsConfigManifest_functions;
            const middlewareManifest = require(join(distDir, SERVER_DIRECTORY, MIDDLEWARE_MANIFEST));
            const functionsConfigManifest = require(join(distDir, SERVER_DIRECTORY, FUNCTIONS_CONFIG_MANIFEST));
            hasMiddleware = Object.keys(middlewareManifest.middleware).length > 0 || Boolean((_functionsConfigManifest_functions = functionsConfigManifest.functions) == null ? void 0 : _functionsConfigManifest_functions['/_middleware']);
        } catch  {}
        // Warn if the user defines a path for an API page
        if (hasApiRoutes || hasMiddleware) {
            if (nextConfig.output === 'export') {
                Log.warn(yellow(`Statically exporting a Next.js application via \`next export\` disables API routes and middleware.`) + `\n` + yellow(`This command is meant for static-only hosts, and is` + ' ' + bold(`not necessary to make your application static.`)) + `\n` + yellow(`Pages in your application without server-side data dependencies will be automatically statically exported by \`next build\`, including pages powered by \`getStaticProps\`.`) + `\n` + yellow(`Learn more: https://nextjs.org/docs/messages/api-routes-static-export`));
            }
        }
    }
    const pagesDataDir = options.buildExport ? outDir : join(outDir, '_next/data', buildId);
    const ampValidations = {};
    const publicDir = join(dir, CLIENT_PUBLIC_FILES_PATH);
    // Copy public directory
    if (!options.buildExport && existsSync(publicDir)) {
        if (!options.silent) {
            Log.info('Copying "public" directory');
        }
        await span.traceChild('copy-public-directory').traceAsyncFn(()=>recursiveCopy(publicDir, outDir, {
                filter (path) {
                    // Exclude paths used by pages
                    return !exportPathMap[path];
                }
            }));
    }
    const exportPagesInBatches = async (worker, exportPaths, renderResumeDataCachesByPage)=>{
        // Batch filtered pages into smaller batches, and call the export worker on
        // each batch. We've set a default minimum of 25 pages per batch to ensure
        // that even setups with only a few static pages can leverage a shared
        // incremental cache, however this value can be configured.
        const minPageCountPerBatch = nextConfig.experimental.staticGenerationMinPagesPerWorker ?? 25;
        // Calculate the number of workers needed to ensure each batch has at least
        // minPageCountPerBatch pages.
        const numWorkers = Math.min(options.numWorkers, Math.ceil(exportPaths.length / minPageCountPerBatch));
        // Calculate the page count per batch based on the number of workers.
        const pageCountPerBatch = Math.ceil(exportPaths.length / numWorkers);
        const batches = Array.from({
            length: numWorkers
        }, (_, i)=>exportPaths.slice(i * pageCountPerBatch, (i + 1) * pageCountPerBatch));
        // Distribute remaining pages.
        const remainingPages = exportPaths.slice(numWorkers * pageCountPerBatch);
        remainingPages.forEach((page, index)=>{
            batches[index % batches.length].push(page);
        });
        return (await Promise.all(batches.map(async (batch)=>worker.exportPages({
                buildId,
                exportPaths: batch,
                parentSpanId: span.getId(),
                pagesDataDir,
                renderOpts,
                options,
                dir,
                distDir,
                outDir,
                nextConfig,
                cacheHandler: nextConfig.cacheHandler,
                cacheMaxMemorySize: nextConfig.cacheMaxMemorySize,
                fetchCache: true,
                fetchCacheKeyPrefix: nextConfig.experimental.fetchCacheKeyPrefix,
                renderResumeDataCachesByPage
            })))).flat();
    };
    let initialPhaseExportPaths = [];
    const finalPhaseExportPaths = [];
    if (renderOpts.experimental.cacheComponents) {
        for (const exportPath of allExportPaths){
            if (exportPath._allowEmptyStaticShell) {
                finalPhaseExportPaths.push(exportPath);
            } else {
                initialPhaseExportPaths.push(exportPath);
            }
        }
    } else {
        initialPhaseExportPaths = allExportPaths;
    }
    const progress = createProgress(initialPhaseExportPaths.length + finalPhaseExportPaths.length, options.statusMessage || 'Exporting');
    const worker = createStaticWorker(nextConfig, {
        debuggerPortOffset: getNextBuildDebuggerPortOffset({
            kind: 'export-page'
        }),
        progress
    });
    const results = await exportPagesInBatches(worker, initialPhaseExportPaths);
    if (finalPhaseExportPaths.length > 0) {
        const renderResumeDataCachesByPage = {};
        for (const { page, result } of results){
            if (!result) {
                continue;
            }
            if ('renderResumeDataCache' in result && result.renderResumeDataCache) {
                // The last RDC for each page is used. We only need one. It should have
                // all the entries that the fallback shell also needs. We don't need to
                // merge them per page.
                renderResumeDataCachesByPage[page] = result.renderResumeDataCache;
                // Remove the RDC string from the result so that it can be garbage
                // collected, when there are more results for the same page.
                result.renderResumeDataCache = undefined;
            }
        }
        const finalPhaseResults = await exportPagesInBatches(worker, finalPhaseExportPaths, renderResumeDataCachesByPage);
        results.push(...finalPhaseResults);
    }
    let hadValidationError = false;
    const collector = {
        byPath: new Map(),
        byPage: new Map(),
        ssgNotFoundPaths: new Set(),
        turborepoAccessTraceResults: new Map()
    };
    const failedExportAttemptsByPage = new Map();
    for (const { result, path, page, pageKey } of results){
        if (!result) continue;
        if ('error' in result) {
            failedExportAttemptsByPage.set(pageKey, true);
            continue;
        }
        if (result.turborepoAccessTraceResult) {
            var _collector_turborepoAccessTraceResults;
            (_collector_turborepoAccessTraceResults = collector.turborepoAccessTraceResults) == null ? void 0 : _collector_turborepoAccessTraceResults.set(path, TurborepoAccessTraceResult.fromSerialized(result.turborepoAccessTraceResult));
        }
        // Capture any amp validations.
        if (result.ampValidations) {
            for (const validation of result.ampValidations){
                ampValidations[validation.page] = validation.result;
                hadValidationError ||= validation.result.errors.length > 0;
            }
        }
        if (options.buildExport) {
            // Update path info by path.
            const info = collector.byPath.get(path) ?? {};
            if (result.cacheControl) {
                info.cacheControl = result.cacheControl;
            }
            if (typeof result.metadata !== 'undefined') {
                info.metadata = result.metadata;
            }
            if (typeof result.hasEmptyStaticShell !== 'undefined') {
                info.hasEmptyStaticShell = result.hasEmptyStaticShell;
            }
            if (typeof result.hasPostponed !== 'undefined') {
                info.hasPostponed = result.hasPostponed;
            }
            if (typeof result.fetchMetrics !== 'undefined') {
                info.fetchMetrics = result.fetchMetrics;
            }
            collector.byPath.set(path, info);
            // Update not found.
            if (result.ssgNotFound === true) {
                collector.ssgNotFoundPaths.add(path);
            }
            // Update durations.
            const durations = collector.byPage.get(page) ?? {
                durationsByPath: new Map()
            };
            durations.durationsByPath.set(path, result.duration);
            collector.byPage.set(page, durations);
        }
    }
    // Export mode provide static outputs that are not compatible with PPR mode.
    if (!options.buildExport && nextConfig.experimental.ppr) {
        // TODO: add message
        throw Object.defineProperty(new Error('Invariant: PPR cannot be enabled in export mode'), "__NEXT_ERROR_CODE", {
            value: "E54",
            enumerable: false,
            configurable: true
        });
    }
    // copy prerendered routes to outDir
    if (!options.buildExport && prerenderManifest) {
        await Promise.all(Object.keys(prerenderManifest.routes).map(async (unnormalizedRoute)=>{
            // Skip handling /_not-found route, it will copy the 404.html file later
            if (unnormalizedRoute === '/_not-found') {
                return;
            }
            const { srcRoute } = prerenderManifest.routes[unnormalizedRoute];
            const appPageName = mapAppRouteToPage.get(srcRoute || '');
            const pageName = appPageName || srcRoute || unnormalizedRoute;
            const isAppPath = Boolean(appPageName);
            const isAppRouteHandler = appPageName && isAppRouteRoute(appPageName);
            // returning notFound: true from getStaticProps will not
            // output html/json files during the build
            if (prerenderManifest.notFoundRoutes.includes(unnormalizedRoute)) {
                return;
            }
            // TODO: This rewrites /index/foo to /index/index/foo. Investigate and
            // fix. I presume this was because normalizePagePath was designed for
            // some other use case and then reused here for static exports without
            // realizing the implications.
            const route = normalizePagePath(unnormalizedRoute);
            const pagePath = getPagePath(pageName, distDir, undefined, isAppPath);
            const distPagesDir = join(pagePath, // strip leading / and then recurse number of nested dirs
            // to place from base folder
            pageName.slice(1).split('/').map(()=>'..').join('/'));
            const orig = join(distPagesDir, route);
            const handlerSrc = `${orig}.body`;
            const handlerDest = join(outDir, route);
            if (isAppRouteHandler && existsSync(handlerSrc)) {
                await fs.mkdir(dirname(handlerDest), {
                    recursive: true
                });
                await fs.copyFile(handlerSrc, handlerDest);
                return;
            }
            const htmlDest = join(outDir, `${route}${subFolders && route !== '/index' ? `${sep}index` : ''}.html`);
            const ampHtmlDest = join(outDir, `${route}.amp${subFolders ? `${sep}index` : ''}.html`);
            const jsonDest = isAppPath ? join(outDir, `${route}${subFolders && route !== '/index' ? `${sep}index` : ''}.txt`) : join(pagesDataDir, `${route}.json`);
            await fs.mkdir(dirname(htmlDest), {
                recursive: true
            });
            await fs.mkdir(dirname(jsonDest), {
                recursive: true
            });
            const htmlSrc = `${orig}.html`;
            const jsonSrc = `${orig}${isAppPath ? RSC_SUFFIX : '.json'}`;
            await fs.copyFile(htmlSrc, htmlDest);
            await fs.copyFile(jsonSrc, jsonDest);
            if (existsSync(`${orig}.amp.html`)) {
                await fs.mkdir(dirname(ampHtmlDest), {
                    recursive: true
                });
                await fs.copyFile(`${orig}.amp.html`, ampHtmlDest);
            }
            const segmentsDir = `${orig}${RSC_SEGMENTS_DIR_SUFFIX}`;
            if (isAppPath && existsSync(segmentsDir)) {
                // Output a data file for each of this page's segments
                //
                // These files are requested by the client router's internal
                // prefetcher, not the user directly. So we don't need to account for
                // things like trailing slash handling.
                //
                // To keep the protocol simple, we can use the non-normalized route
                // path instead of the normalized one (which, among other things,
                // rewrites `/` to `/index`).
                const segmentsDirDest = join(outDir, unnormalizedRoute);
                const segmentPaths = await collectSegmentPaths(segmentsDir);
                await Promise.all(segmentPaths.map(async (segmentFileSrc)=>{
                    const segmentPath = '/' + segmentFileSrc.slice(0, -RSC_SEGMENT_SUFFIX.length);
                    const segmentFilename = convertSegmentPathToStaticExportFilename(segmentPath);
                    const segmentFileDest = join(segmentsDirDest, segmentFilename);
                    await fs.mkdir(dirname(segmentFileDest), {
                        recursive: true
                    });
                    await fs.copyFile(join(segmentsDir, segmentFileSrc), segmentFileDest);
                }));
            }
        }));
    }
    if (Object.keys(ampValidations).length) {
        console.log(formatAmpMessages(ampValidations));
    }
    if (hadValidationError) {
        throw Object.defineProperty(new ExportError(`AMP Validation caused the export to fail. https://nextjs.org/docs/messages/amp-export-validation`), "__NEXT_ERROR_CODE", {
            value: "E596",
            enumerable: false,
            configurable: true
        });
    }
    if (failedExportAttemptsByPage.size > 0) {
        const failedPages = Array.from(failedExportAttemptsByPage.keys());
        throw Object.defineProperty(new ExportError(`Export encountered errors on following paths:\n\t${failedPages.sort().join('\n\t')}`), "__NEXT_ERROR_CODE", {
            value: "E535",
            enumerable: false,
            configurable: true
        });
    }
    await fs.writeFile(join(distDir, EXPORT_DETAIL), formatManifest({
        version: 1,
        outDirectory: outDir,
        success: true
    }), 'utf8');
    if (telemetry) {
        await telemetry.flush();
    }
    await worker.end();
    return collector;
}
async function collectSegmentPaths(segmentsDirectory) {
    const results = [];
    await collectSegmentPathsImpl(segmentsDirectory, segmentsDirectory, results);
    return results;
}
async function collectSegmentPathsImpl(segmentsDirectory, directory, results) {
    const segmentFiles = await fs.readdir(directory, {
        withFileTypes: true
    });
    await Promise.all(segmentFiles.map(async (segmentFile)=>{
        if (segmentFile.isDirectory()) {
            await collectSegmentPathsImpl(segmentsDirectory, join(directory, segmentFile.name), results);
            return;
        }
        if (!segmentFile.name.endsWith(RSC_SEGMENT_SUFFIX)) {
            return;
        }
        results.push(relative(segmentsDirectory, join(directory, segmentFile.name)));
    }));
}
export default async function exportApp(dir, options, span) {
    const nextExportSpan = span.traceChild('next-export');
    return nextExportSpan.traceAsyncFn(async ()=>{
        return await exportAppImpl(dir, options, nextExportSpan);
    });
}

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