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The React Framework

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import '../server/require-hook';
import '../server/node-polyfill-crypto';
import '../server/node-environment';
import { green, yellow, red, cyan, white, bold, underline } from '../lib/picocolors';
import getGzipSize from 'next/dist/compiled/gzip-size';
import textTable from 'next/dist/compiled/text-table';
import path from 'path';
import { promises as fs } from 'fs';
import { isValidElementType } from 'next/dist/compiled/react-is';
import stripAnsi from 'next/dist/compiled/strip-ansi';
import browserslist from 'next/dist/compiled/browserslist';
import { SSG_GET_INITIAL_PROPS_CONFLICT, SERVER_PROPS_GET_INIT_PROPS_CONFLICT, SERVER_PROPS_SSG_CONFLICT, MIDDLEWARE_FILENAME, INSTRUMENTATION_HOOK_FILENAME, WEBPACK_LAYERS } from '../lib/constants';
import { MODERN_BROWSERSLIST_TARGET, UNDERSCORE_NOT_FOUND_ROUTE } from '../shared/lib/constants';
import prettyBytes from '../lib/pretty-bytes';
import { isDynamicRoute } from '../shared/lib/router/utils/is-dynamic';
import { findPageFile } from '../server/lib/find-page-file';
import { isEdgeRuntime } from '../lib/is-edge-runtime';
import * as Log from './output/log';
import { loadComponents } from '../server/load-components';
import { trace } from '../trace';
import { setHttpClientAndAgentOptions } from '../server/setup-http-agent-env';
import { Sema } from 'next/dist/compiled/async-sema';
import { denormalizePagePath } from '../shared/lib/page-path/denormalize-page-path';
import { normalizePagePath } from '../shared/lib/page-path/normalize-page-path';
import { getRuntimeContext } from '../server/web/sandbox';
import { isClientReference } from '../lib/client-and-server-references';
import { normalizeAppPath } from '../shared/lib/router/utils/app-paths';
import { denormalizeAppPagePath } from '../shared/lib/page-path/denormalize-app-path';
import { RouteKind } from '../server/route-kind';
import { isInterceptionRouteAppPath } from '../shared/lib/router/utils/interception-routes';
import { checkIsRoutePPREnabled } from '../server/lib/experimental/ppr';
import { collectSegments } from './segment-config/app/app-segments';
import { createIncrementalCache } from '../export/helpers/create-incremental-cache';
import { collectRootParamKeys } from './segment-config/app/collect-root-param-keys';
import { buildAppStaticPaths } from './static-paths/app';
import { buildPagesStaticPaths } from './static-paths/pages';
import { formatExpire, formatRevalidate } from './output/format';
// Use `print()` for expected console output
const print = console.log;
const RESERVED_PAGE = /^\/(_app|_error|_document|api(\/|$))/;
const fileGzipStats = {};
const fsStatGzip = (file)=>{
    const cached = fileGzipStats[file];
    if (cached) return cached;
    return fileGzipStats[file] = getGzipSize.file(file);
};
const fileSize = async (file)=>(await fs.stat(file)).size;
const fileStats = {};
const fsStat = (file)=>{
    const cached = fileStats[file];
    if (cached) return cached;
    return fileStats[file] = fileSize(file);
};
export function unique(main, sub) {
    return [
        ...new Set([
            ...main,
            ...sub
        ])
    ];
}
export function difference(main, sub) {
    const a = new Set(main);
    const b = new Set(sub);
    return [
        ...a
    ].filter((x)=>!b.has(x));
}
/**
 * Return an array of the items shared by both arrays.
 */ function intersect(main, sub) {
    const a = new Set(main);
    const b = new Set(sub);
    return [
        ...new Set([
            ...a
        ].filter((x)=>b.has(x)))
    ];
}
function sum(a) {
    return a.reduce((size, stat)=>size + stat, 0);
}
let cachedBuildManifest;
let cachedAppBuildManifest;
let lastCompute;
let lastComputePageInfo;
export async function computeFromManifest(manifests, distPath, gzipSize = true, pageInfos) {
    var _manifests_app, _files_app;
    if (Object.is(cachedBuildManifest, manifests.build) && lastComputePageInfo === !!pageInfos && Object.is(cachedAppBuildManifest, manifests.app)) {
        return lastCompute;
    }
    // Determine the files that are in pages and app and count them, this will
    // tell us if they are unique or common.
    const countBuildFiles = (map, key, manifest)=>{
        for (const file of manifest[key]){
            if (key === '/_app') {
                map.set(file, Infinity);
            } else if (map.has(file)) {
                map.set(file, map.get(file) + 1);
            } else {
                map.set(file, 1);
            }
        }
    };
    const files = {
        pages: {
            each: new Map(),
            expected: 0
        }
    };
    for(const key in manifests.build.pages){
        if (pageInfos) {
            const pageInfo = pageInfos.get(key);
            // don't include AMP pages since they don't rely on shared bundles
            // AMP First pages are not under the pageInfos key
            if (pageInfo == null ? void 0 : pageInfo.isHybridAmp) {
                continue;
            }
        }
        files.pages.expected++;
        countBuildFiles(files.pages.each, key, manifests.build.pages);
    }
    // Collect the build files form the app manifest.
    if ((_manifests_app = manifests.app) == null ? void 0 : _manifests_app.pages) {
        files.app = {
            each: new Map(),
            expected: 0
        };
        for(const key in manifests.app.pages){
            files.app.expected++;
            countBuildFiles(files.app.each, key, manifests.app.pages);
        }
    }
    const getSize = gzipSize ? fsStatGzip : fsStat;
    const stats = new Map();
    // For all of the files in the pages and app manifests, compute the file size
    // at once.
    await Promise.all([
        ...new Set([
            ...files.pages.each.keys(),
            ...((_files_app = files.app) == null ? void 0 : _files_app.each.keys()) ?? []
        ])
    ].map(async (f)=>{
        try {
            // Add the file size to the stats.
            stats.set(f, await getSize(path.join(distPath, f)));
        } catch  {}
    }));
    const groupFiles = async (listing)=>{
        const entries = [
            ...listing.each.entries()
        ];
        const shapeGroup = (group)=>group.reduce((acc, [f])=>{
                acc.files.push(f);
                const size = stats.get(f);
                if (typeof size === 'number') {
                    acc.size.total += size;
                }
                return acc;
            }, {
                files: [],
                size: {
                    total: 0
                }
            });
        return {
            unique: shapeGroup(entries.filter(([, len])=>len === 1)),
            common: shapeGroup(entries.filter(([, len])=>len === listing.expected || len === Infinity))
        };
    };
    lastCompute = {
        router: {
            pages: await groupFiles(files.pages),
            app: files.app ? await groupFiles(files.app) : undefined
        },
        sizes: stats
    };
    cachedBuildManifest = manifests.build;
    cachedAppBuildManifest = manifests.app;
    lastComputePageInfo = !!pageInfos;
    return lastCompute;
}
export function isMiddlewareFilename(file) {
    return file === MIDDLEWARE_FILENAME || file === `src/${MIDDLEWARE_FILENAME}`;
}
export function isInstrumentationHookFilename(file) {
    return file === INSTRUMENTATION_HOOK_FILENAME || file === `src/${INSTRUMENTATION_HOOK_FILENAME}`;
}
const filterAndSortList = (list, routeType, hasCustomApp)=>{
    let pages;
    if (routeType === 'app') {
        // filter out static app route of /favicon.ico
        pages = list.filter((e)=>e !== '/favicon.ico');
    } else {
        // filter built-in pages
        pages = list.slice().filter((e)=>!(e === '/_document' || e === '/_error' || !hasCustomApp && e === '/_app'));
    }
    return pages.sort((a, b)=>a.localeCompare(b));
};
export function collectRoutesUsingEdgeRuntime(input) {
    const routesUsingEdgeRuntime = {};
    for (const [route, info] of input.entries()){
        if (isEdgeRuntime(info.runtime)) {
            routesUsingEdgeRuntime[route] = 0;
        }
    }
    return routesUsingEdgeRuntime;
}
export async function printTreeView(lists, pageInfos, { distPath, buildId, pagesDir, pageExtensions, buildManifest, appBuildManifest, middlewareManifest, useStaticPages404, gzipSize = true }) {
    var _lists_app, _middlewareManifest_middleware;
    const getPrettySize = (_size, { strong } = {})=>{
        const size = process.env.__NEXT_PRIVATE_DETERMINISTIC_BUILD_OUTPUT ? 'N/A kB' : prettyBytes(_size);
        return strong ? white(bold(size)) : size;
    };
    // Can be overridden for test purposes to omit the build duration output.
    const MIN_DURATION = process.env.__NEXT_PRIVATE_DETERMINISTIC_BUILD_OUTPUT ? Infinity // Don't ever log build durations.
     : 300;
    const getPrettyDuration = (_duration)=>{
        const duration = `${_duration} ms`;
        // green for 300-1000ms
        if (_duration < 1000) return green(duration);
        // yellow for 1000-2000ms
        if (_duration < 2000) return yellow(duration);
        // red for >= 2000ms
        return red(bold(duration));
    };
    const getCleanName = (fileName)=>fileName// Trim off `static/`
        .replace(/^static\//, '')// Re-add `static/` for root files
        .replace(/^<buildId>/, 'static')// Remove file hash
        .replace(/(?:^|[.-])([0-9a-z]{6})[0-9a-z]{14}(?=\.)/, '.$1');
    // Check if we have a custom app.
    const hasCustomApp = !!(pagesDir && await findPageFile(pagesDir, '/_app', pageExtensions, false));
    // Collect all the symbols we use so we can print the icons out.
    const usedSymbols = new Set();
    const messages = [];
    const stats = await computeFromManifest({
        build: buildManifest,
        app: appBuildManifest
    }, distPath, gzipSize, pageInfos);
    const printFileTree = async ({ list, routerType })=>{
        var _stats_router_routerType, _stats_router_routerType1;
        const filteredPages = filterAndSortList(list, routerType, hasCustomApp);
        if (filteredPages.length === 0) {
            return;
        }
        let showRevalidate = false;
        let showExpire = false;
        for (const page of filteredPages){
            var _pageInfos_get;
            const cacheControl = (_pageInfos_get = pageInfos.get(page)) == null ? void 0 : _pageInfos_get.initialCacheControl;
            if (cacheControl == null ? void 0 : cacheControl.revalidate) {
                showRevalidate = true;
            }
            if (cacheControl == null ? void 0 : cacheControl.expire) {
                showExpire = true;
            }
            if (showRevalidate && showExpire) {
                break;
            }
        }
        messages.push([
            routerType === 'app' ? 'Route (app)' : 'Route (pages)',
            'Size',
            'First Load JS',
            showRevalidate ? 'Revalidate' : '',
            showExpire ? 'Expire' : ''
        ].map((entry)=>underline(entry)));
        filteredPages.forEach((item, i, arr)=>{
            var _pageInfo_ssgPageDurations, _buildManifest_pages_item, _pageInfo_ssgPageRoutes;
            const border = i === 0 ? arr.length === 1 ? '─' : '┌' : i === arr.length - 1 ? '└' : '├';
            const pageInfo = pageInfos.get(item);
            const ampFirst = buildManifest.ampFirstPages.includes(item);
            const totalDuration = ((pageInfo == null ? void 0 : pageInfo.pageDuration) || 0) + ((pageInfo == null ? void 0 : (_pageInfo_ssgPageDurations = pageInfo.ssgPageDurations) == null ? void 0 : _pageInfo_ssgPageDurations.reduce((a, b)=>a + (b || 0), 0)) || 0);
            let symbol;
            if (item === '/_app' || item === '/_app.server') {
                symbol = ' ';
            } else if (isEdgeRuntime(pageInfo == null ? void 0 : pageInfo.runtime)) {
                symbol = 'ƒ';
            } else if (pageInfo == null ? void 0 : pageInfo.isRoutePPREnabled) {
                if (// If the page has an empty prelude, then it's equivalent to a dynamic page
                (pageInfo == null ? void 0 : pageInfo.hasEmptyPrelude) || // ensure we don't mark dynamic paths that postponed as being dynamic
                // since in this case we're able to partially prerender it
                pageInfo.isDynamicAppRoute && !pageInfo.hasPostponed) {
                    symbol = 'ƒ';
                } else if (!(pageInfo == null ? void 0 : pageInfo.hasPostponed)) {
                    symbol = '○';
                } else {
                    symbol = '◐';
                }
            } else if (pageInfo == null ? void 0 : pageInfo.isStatic) {
                symbol = '○';
            } else if (pageInfo == null ? void 0 : pageInfo.isSSG) {
                symbol = '●';
            } else {
                symbol = 'ƒ';
            }
            usedSymbols.add(symbol);
            messages.push([
                `${border} ${symbol} ${item}${totalDuration > MIN_DURATION ? ` (${getPrettyDuration(totalDuration)})` : ''}`,
                pageInfo ? ampFirst ? cyan('AMP') : pageInfo.size >= 0 ? getPrettySize(pageInfo.size) : '' : '',
                pageInfo ? ampFirst ? cyan('AMP') : pageInfo.size >= 0 ? getPrettySize(pageInfo.totalSize, {
                    strong: true
                }) : '' : '',
                showRevalidate && (pageInfo == null ? void 0 : pageInfo.initialCacheControl) ? formatRevalidate(pageInfo.initialCacheControl) : '',
                showExpire && (pageInfo == null ? void 0 : pageInfo.initialCacheControl) ? formatExpire(pageInfo.initialCacheControl) : ''
            ]);
            const uniqueCssFiles = ((_buildManifest_pages_item = buildManifest.pages[item]) == null ? void 0 : _buildManifest_pages_item.filter((file)=>{
                var _stats_router_routerType;
                return file.endsWith('.css') && ((_stats_router_routerType = stats.router[routerType]) == null ? void 0 : _stats_router_routerType.unique.files.includes(file));
            })) || [];
            if (uniqueCssFiles.length > 0) {
                const contSymbol = i === arr.length - 1 ? ' ' : '├';
                uniqueCssFiles.forEach((file, index, { length })=>{
                    const innerSymbol = index === length - 1 ? '└' : '├';
                    const size = stats.sizes.get(file);
                    messages.push([
                        `${contSymbol}   ${innerSymbol} ${getCleanName(file)}`,
                        typeof size === 'number' ? getPrettySize(size) : '',
                        '',
                        '',
                        ''
                    ]);
                });
            }
            if (pageInfo == null ? void 0 : (_pageInfo_ssgPageRoutes = pageInfo.ssgPageRoutes) == null ? void 0 : _pageInfo_ssgPageRoutes.length) {
                const totalRoutes = pageInfo.ssgPageRoutes.length;
                const contSymbol = i === arr.length - 1 ? ' ' : '├';
                let routes;
                if (pageInfo.ssgPageDurations && pageInfo.ssgPageDurations.some((d)=>d > MIN_DURATION)) {
                    const previewPages = totalRoutes === 8 ? 8 : Math.min(totalRoutes, 7);
                    const routesWithDuration = pageInfo.ssgPageRoutes.map((route, idx)=>({
                            route,
                            duration: pageInfo.ssgPageDurations[idx] || 0
                        })).sort(({ duration: a }, { duration: b })=>// Sort by duration
                        // keep too small durations in original order at the end
                        a <= MIN_DURATION && b <= MIN_DURATION ? 0 : b - a);
                    routes = routesWithDuration.slice(0, previewPages);
                    const remainingRoutes = routesWithDuration.slice(previewPages);
                    if (remainingRoutes.length) {
                        const remaining = remainingRoutes.length;
                        const avgDuration = Math.round(remainingRoutes.reduce((total, { duration })=>total + duration, 0) / remainingRoutes.length);
                        routes.push({
                            route: `[+${remaining} more paths]`,
                            duration: 0,
                            avgDuration
                        });
                    }
                } else {
                    const previewPages = totalRoutes === 4 ? 4 : Math.min(totalRoutes, 3);
                    routes = pageInfo.ssgPageRoutes.slice(0, previewPages).map((route)=>({
                            route,
                            duration: 0
                        }));
                    if (totalRoutes > previewPages) {
                        const remaining = totalRoutes - previewPages;
                        routes.push({
                            route: `[+${remaining} more paths]`,
                            duration: 0
                        });
                    }
                }
                routes.forEach(({ route, duration, avgDuration }, index, { length })=>{
                    var _pageInfos_get;
                    const innerSymbol = index === length - 1 ? '└' : '├';
                    const initialCacheControl = (_pageInfos_get = pageInfos.get(route)) == null ? void 0 : _pageInfos_get.initialCacheControl;
                    messages.push([
                        `${contSymbol}   ${innerSymbol} ${route}${duration > MIN_DURATION ? ` (${getPrettyDuration(duration)})` : ''}${avgDuration && avgDuration > MIN_DURATION ? ` (avg ${getPrettyDuration(avgDuration)})` : ''}`,
                        '',
                        '',
                        showRevalidate && initialCacheControl ? formatRevalidate(initialCacheControl) : '',
                        showExpire && initialCacheControl ? formatExpire(initialCacheControl) : ''
                    ]);
                });
            }
        });
        const sharedFilesSize = (_stats_router_routerType = stats.router[routerType]) == null ? void 0 : _stats_router_routerType.common.size.total;
        const sharedFiles = process.env.__NEXT_PRIVATE_DETERMINISTIC_BUILD_OUTPUT ? [] : ((_stats_router_routerType1 = stats.router[routerType]) == null ? void 0 : _stats_router_routerType1.common.files) ?? [];
        messages.push([
            '+ First Load JS shared by all',
            typeof sharedFilesSize === 'number' ? getPrettySize(sharedFilesSize, {
                strong: true
            }) : '',
            '',
            '',
            ''
        ]);
        const sharedCssFiles = [];
        const sharedJsChunks = [
            ...sharedFiles.filter((file)=>{
                if (file.endsWith('.css')) {
                    sharedCssFiles.push(file);
                    return false;
                }
                return true;
            }).map((e)=>e.replace(buildId, '<buildId>')).sort(),
            ...sharedCssFiles.map((e)=>e.replace(buildId, '<buildId>')).sort()
        ];
        // if the some chunk are less than 10kb or we don't know the size, we only show the total size of the rest
        const tenKbLimit = 10 * 1000;
        let restChunkSize = 0;
        let restChunkCount = 0;
        sharedJsChunks.forEach((fileName, index, { length })=>{
            const innerSymbol = index + restChunkCount === length - 1 ? '└' : '├';
            const originalName = fileName.replace('<buildId>', buildId);
            const cleanName = getCleanName(fileName);
            const size = stats.sizes.get(originalName);
            if (!size || size < tenKbLimit) {
                restChunkCount++;
                restChunkSize += size || 0;
                return;
            }
            messages.push([
                `  ${innerSymbol} ${cleanName}`,
                getPrettySize(size),
                '',
                '',
                ''
            ]);
        });
        if (restChunkCount > 0) {
            messages.push([
                `  └ other shared chunks (total)`,
                getPrettySize(restChunkSize),
                '',
                '',
                ''
            ]);
        }
    };
    // If enabled, then print the tree for the app directory.
    if (lists.app && stats.router.app) {
        await printFileTree({
            routerType: 'app',
            list: lists.app
        });
        messages.push([
            '',
            '',
            '',
            '',
            ''
        ]);
    }
    pageInfos.set('/404', {
        ...pageInfos.get('/404') || pageInfos.get('/_error'),
        isStatic: useStaticPages404
    });
    // If there's no app /_notFound page present, then the 404 is still using the pages/404
    if (!lists.pages.includes('/404') && !((_lists_app = lists.app) == null ? void 0 : _lists_app.includes(UNDERSCORE_NOT_FOUND_ROUTE))) {
        lists.pages = [
            ...lists.pages,
            '/404'
        ];
    }
    // Print the tree view for the pages directory.
    await printFileTree({
        routerType: 'pages',
        list: lists.pages
    });
    const middlewareInfo = (_middlewareManifest_middleware = middlewareManifest.middleware) == null ? void 0 : _middlewareManifest_middleware['/'];
    if ((middlewareInfo == null ? void 0 : middlewareInfo.files.length) > 0) {
        const middlewareSizes = await Promise.all(middlewareInfo.files.map((dep)=>`${distPath}/${dep}`).map(gzipSize ? fsStatGzip : fsStat));
        messages.push([
            '',
            '',
            '',
            '',
            ''
        ]);
        messages.push([
            'ƒ Middleware',
            getPrettySize(sum(middlewareSizes), {
                strong: true
            }),
            '',
            '',
            ''
        ]);
    }
    print(textTable(messages, {
        align: [
            'l',
            'r',
            'r',
            'r',
            'r'
        ],
        stringLength: (str)=>stripAnsi(str).length
    }));
    const staticFunctionInfo = lists.app && stats.router.app ? 'generateStaticParams' : 'getStaticProps';
    print();
    print(textTable([
        usedSymbols.has('○') && [
            '○',
            '(Static)',
            'prerendered as static content'
        ],
        usedSymbols.has('●') && [
            '●',
            '(SSG)',
            `prerendered as static HTML (uses ${cyan(staticFunctionInfo)})`
        ],
        usedSymbols.has('◐') && [
            '◐',
            '(Partial Prerender)',
            'prerendered as static HTML with dynamic server-streamed content'
        ],
        usedSymbols.has('ƒ') && [
            'ƒ',
            '(Dynamic)',
            `server-rendered on demand`
        ]
    ].filter((x)=>x), {
        align: [
            'l',
            'l',
            'l'
        ],
        stringLength: (str)=>stripAnsi(str).length
    }));
    print();
}
export function printCustomRoutes({ redirects, rewrites, headers }) {
    const printRoutes = (routes, type)=>{
        const isRedirects = type === 'Redirects';
        const isHeaders = type === 'Headers';
        print(underline(type));
        /*
        ┌ source
        ├ permanent/statusCode
        └ destination
     */ const routesStr = routes.map((route)=>{
            let routeStr = `┌ source: ${route.source}\n`;
            if (!isHeaders) {
                const r = route;
                routeStr += `${isRedirects ? '├' : '└'} destination: ${r.destination}\n`;
            }
            if (isRedirects) {
                const r = route;
                routeStr += `└ ${r.statusCode ? `status: ${r.statusCode}` : `permanent: ${r.permanent}`}\n`;
            }
            if (isHeaders) {
                const r = route;
                routeStr += `└ headers:\n`;
                for(let i = 0; i < r.headers.length; i++){
                    const header = r.headers[i];
                    const last = i === headers.length - 1;
                    routeStr += `  ${last ? '└' : '├'} ${header.key}: ${header.value}\n`;
                }
            }
            return routeStr;
        }).join('\n');
        print(`${routesStr}\n`);
    };
    print();
    if (redirects.length) {
        printRoutes(redirects, 'Redirects');
    }
    if (headers.length) {
        printRoutes(headers, 'Headers');
    }
    const combinedRewrites = [
        ...rewrites.beforeFiles,
        ...rewrites.afterFiles,
        ...rewrites.fallback
    ];
    if (combinedRewrites.length) {
        printRoutes(combinedRewrites, 'Rewrites');
    }
}
export async function getJsPageSizeInKb(routerType, page, distPath, buildManifest, appBuildManifest, gzipSize = true, cachedStats) {
    const pageManifest = routerType === 'pages' ? buildManifest : appBuildManifest;
    if (!pageManifest) {
        throw Object.defineProperty(new Error('expected appBuildManifest with an "app" pageType'), "__NEXT_ERROR_CODE", {
            value: "E29",
            enumerable: false,
            configurable: true
        });
    }
    // Normalize appBuildManifest keys
    if (routerType === 'app') {
        pageManifest.pages = Object.entries(pageManifest.pages).reduce((acc, [key, value])=>{
            const newKey = normalizeAppPath(key);
            acc[newKey] = value;
            return acc;
        }, {});
    }
    // If stats was not provided, then compute it again.
    const stats = cachedStats ?? await computeFromManifest({
        build: buildManifest,
        app: appBuildManifest
    }, distPath, gzipSize);
    const pageData = stats.router[routerType];
    if (!pageData) {
        // This error shouldn't happen and represents an error in Next.js.
        throw Object.defineProperty(new Error('expected "app" manifest data with an "app" pageType'), "__NEXT_ERROR_CODE", {
            value: "E76",
            enumerable: false,
            configurable: true
        });
    }
    const pagePath = routerType === 'pages' ? denormalizePagePath(page) : denormalizeAppPagePath(page);
    const fnFilterJs = (entry)=>entry.endsWith('.js');
    const pageFiles = (pageManifest.pages[pagePath] ?? []).filter(fnFilterJs);
    const appFiles = (pageManifest.pages['/_app'] ?? []).filter(fnFilterJs);
    const fnMapRealPath = (dep)=>`${distPath}/${dep}`;
    const allFilesReal = unique(pageFiles, appFiles).map(fnMapRealPath);
    const selfFilesReal = difference(// Find the files shared by the pages files and the unique files...
    intersect(pageFiles, pageData.unique.files), // but without the common files.
    pageData.common.files).map(fnMapRealPath);
    const getSize = gzipSize ? fsStatGzip : fsStat;
    // Try to get the file size from the page data if available, otherwise do a
    // raw compute.
    const getCachedSize = async (file)=>{
        const key = file.slice(distPath.length + 1);
        const size = stats.sizes.get(key);
        // If the size wasn't in the stats bundle, then get it from the file
        // directly.
        if (typeof size !== 'number') {
            return getSize(file);
        }
        return size;
    };
    try {
        // Doesn't use `Promise.all`, as we'd double compute duplicate files. This
        // function is memoized, so the second one will instantly resolve.
        const allFilesSize = sum(await Promise.all(allFilesReal.map(getCachedSize)));
        const selfFilesSize = sum(await Promise.all(selfFilesReal.map(getCachedSize)));
        return [
            selfFilesSize,
            allFilesSize
        ];
    } catch  {}
    return [
        -1,
        -1
    ];
}
export async function isPageStatic({ dir, page, distDir, configFileName, runtimeEnvConfig, httpAgentOptions, locales, defaultLocale, parentId, pageRuntime, edgeInfo, pageType, dynamicIO, authInterrupts, originalAppPath, isrFlushToDisk, maxMemoryCacheSize, nextConfigOutput, cacheHandler, cacheHandlers, cacheLifeProfiles, pprConfig, buildId, sriEnabled }) {
    await createIncrementalCache({
        cacheHandler,
        cacheHandlers,
        distDir,
        dir,
        flushToDisk: isrFlushToDisk,
        cacheMaxMemorySize: maxMemoryCacheSize
    });
    const isPageStaticSpan = trace('is-page-static-utils', parentId);
    return isPageStaticSpan.traceAsyncFn(async ()=>{
        require('../shared/lib/runtime-config.external').setConfig(runtimeEnvConfig);
        setHttpClientAndAgentOptions({
            httpAgentOptions
        });
        let componentsResult;
        let prerenderedRoutes;
        let prerenderFallbackMode;
        let appConfig = {};
        let rootParamKeys;
        let isClientComponent = false;
        const pathIsEdgeRuntime = isEdgeRuntime(pageRuntime);
        if (pathIsEdgeRuntime) {
            const runtime = await getRuntimeContext({
                paths: edgeInfo.files.map((file)=>path.join(distDir, file)),
                edgeFunctionEntry: {
                    ...edgeInfo,
                    wasm: (edgeInfo.wasm ?? []).map((binding)=>({
                            ...binding,
                            filePath: path.join(distDir, binding.filePath)
                        }))
                },
                name: edgeInfo.name,
                useCache: true,
                distDir
            });
            const mod = (await runtime.context._ENTRIES[`middleware_${edgeInfo.name}`]).ComponentMod;
            // This is not needed during require.
            const buildManifest = {};
            isClientComponent = isClientReference(mod);
            componentsResult = {
                Component: mod.default,
                Document: mod.Document,
                App: mod.App,
                routeModule: mod.routeModule,
                page,
                ComponentMod: mod,
                pageConfig: mod.config || {},
                buildManifest,
                reactLoadableManifest: {},
                getServerSideProps: mod.getServerSideProps,
                getStaticPaths: mod.getStaticPaths,
                getStaticProps: mod.getStaticProps
            };
        } else {
            componentsResult = await loadComponents({
                distDir,
                page: originalAppPath || page,
                isAppPath: pageType === 'app',
                isDev: false,
                sriEnabled
            });
        }
        const Comp = componentsResult.Component;
        const routeModule = componentsResult.routeModule;
        let isRoutePPREnabled = false;
        if (pageType === 'app') {
            const ComponentMod = componentsResult.ComponentMod;
            isClientComponent = isClientReference(componentsResult.ComponentMod);
            let segments;
            try {
                segments = await collectSegments(componentsResult);
            } catch (err) {
                throw Object.defineProperty(new Error(`Failed to collect configuration for ${page}`, {
                    cause: err
                }), "__NEXT_ERROR_CODE", {
                    value: "E434",
                    enumerable: false,
                    configurable: true
                });
            }
            appConfig = reduceAppConfig(segments);
            if (appConfig.dynamic === 'force-static' && pathIsEdgeRuntime) {
                Log.warn(`Page "${page}" is using runtime = 'edge' which is currently incompatible with dynamic = 'force-static'. Please remove either "runtime" or "force-static" for correct behavior`);
            }
            rootParamKeys = collectRootParamKeys(componentsResult);
            // A page supports partial prerendering if it is an app page and either
            // the whole app has PPR enabled or this page has PPR enabled when we're
            // in incremental mode.
            isRoutePPREnabled = routeModule.definition.kind === RouteKind.APP_PAGE && !isInterceptionRouteAppPath(page) && checkIsRoutePPREnabled(pprConfig, appConfig);
            // If force dynamic was set and we don't have PPR enabled, then set the
            // revalidate to 0.
            // TODO: (PPR) remove this once PPR is enabled by default
            if (appConfig.dynamic === 'force-dynamic' && !isRoutePPREnabled) {
                appConfig.revalidate = 0;
            }
            // If the page is dynamic and we're not in edge runtime, then we need to
            // build the static paths. The edge runtime doesn't support static
            // paths.
            if (isDynamicRoute(page) && !pathIsEdgeRuntime) {
                ;
                ({ prerenderedRoutes, fallbackMode: prerenderFallbackMode } = await buildAppStaticPaths({
                    dir,
                    page,
                    dynamicIO,
                    authInterrupts,
                    segments,
                    distDir,
                    requestHeaders: {},
                    isrFlushToDisk,
                    maxMemoryCacheSize,
                    cacheHandler,
                    cacheLifeProfiles,
                    ComponentMod,
                    nextConfigOutput,
                    isRoutePPREnabled,
                    buildId,
                    rootParamKeys
                }));
            }
        } else {
            if (!Comp || !isValidElementType(Comp) || typeof Comp === 'string') {
                throw Object.defineProperty(new Error('INVALID_DEFAULT_EXPORT'), "__NEXT_ERROR_CODE", {
                    value: "E457",
                    enumerable: false,
                    configurable: true
                });
            }
        }
        const hasGetInitialProps = !!(Comp == null ? void 0 : Comp.getInitialProps);
        const hasStaticProps = !!componentsResult.getStaticProps;
        const hasStaticPaths = !!componentsResult.getStaticPaths;
        const hasServerProps = !!componentsResult.getServerSideProps;
        // A page cannot be prerendered _and_ define a data requirement. That's
        // contradictory!
        if (hasGetInitialProps && hasStaticProps) {
            throw Object.defineProperty(new Error(SSG_GET_INITIAL_PROPS_CONFLICT), "__NEXT_ERROR_CODE", {
                value: "E394",
                enumerable: false,
                configurable: true
            });
        }
        if (hasGetInitialProps && hasServerProps) {
            throw Object.defineProperty(new Error(SERVER_PROPS_GET_INIT_PROPS_CONFLICT), "__NEXT_ERROR_CODE", {
                value: "E394",
                enumerable: false,
                configurable: true
            });
        }
        if (hasStaticProps && hasServerProps) {
            throw Object.defineProperty(new Error(SERVER_PROPS_SSG_CONFLICT), "__NEXT_ERROR_CODE", {
                value: "E394",
                enumerable: false,
                configurable: true
            });
        }
        const pageIsDynamic = isDynamicRoute(page);
        // A page cannot have static parameters if it is not a dynamic page.
        if (hasStaticProps && hasStaticPaths && !pageIsDynamic) {
            throw Object.defineProperty(new Error(`getStaticPaths can only be used with dynamic pages, not '${page}'.` + `\nLearn more: https://nextjs.org/docs/routing/dynamic-routes`), "__NEXT_ERROR_CODE", {
                value: "E356",
                enumerable: false,
                configurable: true
            });
        }
        if (hasStaticProps && pageIsDynamic && !hasStaticPaths) {
            throw Object.defineProperty(new Error(`getStaticPaths is required for dynamic SSG pages and is missing for '${page}'.` + `\nRead more: https://nextjs.org/docs/messages/invalid-getstaticpaths-value`), "__NEXT_ERROR_CODE", {
                value: "E255",
                enumerable: false,
                configurable: true
            });
        }
        if (hasStaticProps && hasStaticPaths) {
            ;
            ({ prerenderedRoutes, fallbackMode: prerenderFallbackMode } = await buildPagesStaticPaths({
                page,
                locales,
                defaultLocale,
                configFileName,
                getStaticPaths: componentsResult.getStaticPaths
            }));
        }
        const isNextImageImported = globalThis.__NEXT_IMAGE_IMPORTED;
        const config = isClientComponent ? {} : componentsResult.pageConfig;
        let isStatic = false;
        if (!hasStaticProps && !hasGetInitialProps && !hasServerProps) {
            isStatic = true;
        }
        // When PPR is enabled, any route may be completely static, so
        // mark this route as static.
        if (isRoutePPREnabled) {
            isStatic = true;
        }
        return {
            isStatic,
            isRoutePPREnabled,
            isHybridAmp: config.amp === 'hybrid',
            isAmpOnly: config.amp === true,
            prerenderFallbackMode,
            prerenderedRoutes,
            rootParamKeys,
            hasStaticProps,
            hasServerProps,
            isNextImageImported,
            appConfig
        };
    }).catch((err)=>{
        if (err.message === 'INVALID_DEFAULT_EXPORT') {
            throw err;
        }
        console.error(err);
        throw Object.defineProperty(new Error(`Failed to collect page data for ${page}`), "__NEXT_ERROR_CODE", {
            value: "E414",
            enumerable: false,
            configurable: true
        });
    });
}
/**
 * Collect the app config from the generate param segments. This only gets a
 * subset of the config options.
 *
 * @param segments the generate param segments
 * @returns the reduced app config
 */ export function reduceAppConfig(segments) {
    const config = {};
    for (const segment of segments){
        const { dynamic, fetchCache, preferredRegion, revalidate, experimental_ppr, runtime, maxDuration } = segment.config || {};
        // TODO: should conflicting configs here throw an error
        // e.g. if layout defines one region but page defines another
        if (typeof preferredRegion !== 'undefined') {
            config.preferredRegion = preferredRegion;
        }
        if (typeof dynamic !== 'undefined') {
            config.dynamic = dynamic;
        }
        if (typeof fetchCache !== 'undefined') {
            config.fetchCache = fetchCache;
        }
        if (typeof revalidate !== 'undefined') {
            config.revalidate = revalidate;
        }
        // Any revalidate number overrides false, and shorter revalidate overrides
        // longer (initially).
        if (typeof revalidate === 'number' && (typeof config.revalidate !== 'number' || revalidate < config.revalidate)) {
            config.revalidate = revalidate;
        }
        // If partial prerendering has been set, only override it if the current
        // value is provided as it's resolved from root layout to leaf page.
        if (typeof experimental_ppr !== 'undefined') {
            config.experimental_ppr = experimental_ppr;
        }
        if (typeof runtime !== 'undefined') {
            config.runtime = runtime;
        }
        if (typeof maxDuration !== 'undefined') {
            config.maxDuration = maxDuration;
        }
    }
    return config;
}
export async function hasCustomGetInitialProps({ page, distDir, runtimeEnvConfig, checkingApp, sriEnabled }) {
    require('../shared/lib/runtime-config.external').setConfig(runtimeEnvConfig);
    const components = await loadComponents({
        distDir,
        page: page,
        isAppPath: false,
        isDev: false,
        sriEnabled
    });
    let mod = components.ComponentMod;
    if (checkingApp) {
        mod = await mod._app || mod.default || mod;
    } else {
        mod = mod.default || mod;
    }
    mod = await mod;
    return mod.getInitialProps !== mod.origGetInitialProps;
}
export async function getDefinedNamedExports({ page, distDir, runtimeEnvConfig, sriEnabled }) {
    require('../shared/lib/runtime-config.external').setConfig(runtimeEnvConfig);
    const components = await loadComponents({
        distDir,
        page: page,
        isAppPath: false,
        isDev: false,
        sriEnabled
    });
    return Object.keys(components.ComponentMod).filter((key)=>{
        return typeof components.ComponentMod[key] !== 'undefined';
    });
}
export function detectConflictingPaths(combinedPages, ssgPages, additionalGeneratedSSGPaths) {
    const conflictingPaths = new Map();
    const dynamicSsgPages = [
        ...ssgPages
    ].filter((page)=>isDynamicRoute(page));
    const additionalSsgPathsByPath = {};
    additionalGeneratedSSGPaths.forEach((paths, pathsPage)=>{
        additionalSsgPathsByPath[pathsPage] ||= {};
        paths.forEach((curPath)=>{
            const currentPath = curPath.toLowerCase();
            additionalSsgPathsByPath[pathsPage][currentPath] = curPath;
        });
    });
    additionalGeneratedSSGPaths.forEach((paths, pathsPage)=>{
        paths.forEach((curPath)=>{
            const lowerPath = curPath.toLowerCase();
            let conflictingPage = combinedPages.find((page)=>page.toLowerCase() === lowerPath);
            if (conflictingPage) {
                conflictingPaths.set(lowerPath, [
                    {
                        path: curPath,
                        page: pathsPage
                    },
                    {
                        path: conflictingPage,
                        page: conflictingPage
                    }
                ]);
            } else {
                let conflictingPath;
                conflictingPage = dynamicSsgPages.find((page)=>{
                    if (page === pathsPage) return false;
                    conflictingPath = additionalGeneratedSSGPaths.get(page) == null ? undefined : additionalSsgPathsByPath[page][lowerPath];
                    return conflictingPath;
                });
                if (conflictingPage && conflictingPath) {
                    conflictingPaths.set(lowerPath, [
                        {
                            path: curPath,
                            page: pathsPage
                        },
                        {
                            path: conflictingPath,
                            page: conflictingPage
                        }
                    ]);
                }
            }
        });
    });
    if (conflictingPaths.size > 0) {
        let conflictingPathsOutput = '';
        conflictingPaths.forEach((pathItems)=>{
            pathItems.forEach((pathItem, idx)=>{
                const isDynamic = pathItem.page !== pathItem.path;
                if (idx > 0) {
                    conflictingPathsOutput += 'conflicts with ';
                }
                conflictingPathsOutput += `path: "${pathItem.path}"${isDynamic ? ` from page: "${pathItem.page}" ` : ' '}`;
            });
            conflictingPathsOutput += '\n';
        });
        Log.error('Conflicting paths returned from getStaticPaths, paths must be unique per page.\n' + 'See more info here: https://nextjs.org/docs/messages/conflicting-ssg-paths\n\n' + conflictingPathsOutput);
        process.exit(1);
    }
}
export async function copyTracedFiles(dir, distDir, pageKeys, appPageKeys, tracingRoot, serverConfig, middlewareManifest, hasNodeMiddleware, hasInstrumentationHook, staticPages) {
    const outputPath = path.join(distDir, 'standalone');
    let moduleType = false;
    const nextConfig = {
        ...serverConfig,
        distDir: `./${path.relative(dir, distDir)}`
    };
    try {
        const packageJsonPath = path.join(distDir, '../package.json');
        const packageJson = JSON.parse(await fs.readFile(packageJsonPath, 'utf8'));
        moduleType = packageJson.type === 'module';
    } catch  {}
    const copiedFiles = new Set();
    await fs.rm(outputPath, {
        recursive: true,
        force: true
    });
    async function handleTraceFiles(traceFilePath) {
        const traceData = JSON.parse(await fs.readFile(traceFilePath, 'utf8'));
        const copySema = new Sema(10, {
            capacity: traceData.files.length
        });
        const traceFileDir = path.dirname(traceFilePath);
        await Promise.all(traceData.files.map(async (relativeFile)=>{
            await copySema.acquire();
            const tracedFilePath = path.join(traceFileDir, relativeFile);
            const fileOutputPath = path.join(outputPath, path.relative(tracingRoot, tracedFilePath));
            if (!copiedFiles.has(fileOutputPath)) {
                copiedFiles.add(fileOutputPath);
                await fs.mkdir(path.dirname(fileOutputPath), {
                    recursive: true
                });
                const symlink = await fs.readlink(tracedFilePath).catch(()=>null);
                if (symlink) {
                    try {
                        await fs.symlink(symlink, fileOutputPath);
                    } catch (e) {
                        if (e.code !== 'EEXIST') {
                            throw e;
                        }
                    }
                } else {
                    await fs.copyFile(tracedFilePath, fileOutputPath);
                }
            }
            await copySema.release();
        }));
    }
    async function handleEdgeFunction(page) {
        var _page_wasm, _page_assets;
        async function handleFile(file) {
            const originalPath = path.join(distDir, file);
            const fileOutputPath = path.join(outputPath, path.relative(tracingRoot, distDir), file);
            await fs.mkdir(path.dirname(fileOutputPath), {
                recursive: true
            });
            await fs.copyFile(originalPath, fileOutputPath);
        }
        await Promise.all([
            page.files.map(handleFile),
            (_page_wasm = page.wasm) == null ? void 0 : _page_wasm.map((file)=>handleFile(file.filePath)),
            (_page_assets = page.assets) == null ? void 0 : _page_assets.map((file)=>handleFile(file.filePath))
        ]);
    }
    const edgeFunctionHandlers = [];
    for (const middleware of Object.values(middlewareManifest.middleware)){
        if (isMiddlewareFilename(middleware.name)) {
            edgeFunctionHandlers.push(handleEdgeFunction(middleware));
        }
    }
    for (const page of Object.values(middlewareManifest.functions)){
        edgeFunctionHandlers.push(handleEdgeFunction(page));
    }
    await Promise.all(edgeFunctionHandlers);
    for (const page of pageKeys){
        if (middlewareManifest.functions.hasOwnProperty(page)) {
            continue;
        }
        const route = normalizePagePath(page);
        if (staticPages.has(route)) {
            continue;
        }
        const pageFile = path.join(distDir, 'server', 'pages', `${normalizePagePath(page)}.js`);
        const pageTraceFile = `${pageFile}.nft.json`;
        await handleTraceFiles(pageTraceFile).catch((err)=>{
            if (err.code !== 'ENOENT' || page !== '/404' && page !== '/500') {
                Log.warn(`Failed to copy traced files for ${pageFile}`, err);
            }
        });
    }
    if (hasNodeMiddleware) {
        const middlewareFile = path.join(distDir, 'server', 'middleware.js');
        const middlewareTrace = `${middlewareFile}.nft.json`;
        await handleTraceFiles(middlewareTrace);
    }
    if (appPageKeys) {
        for (const page of appPageKeys){
            if (middlewareManifest.functions.hasOwnProperty(page)) {
                continue;
            }
            const pageFile = path.join(distDir, 'server', 'app', `${page}.js`);
            const pageTraceFile = `${pageFile}.nft.json`;
            await handleTraceFiles(pageTraceFile).catch((err)=>{
                Log.warn(`Failed to copy traced files for ${pageFile}`, err);
            });
        }
    }
    if (hasInstrumentationHook) {
        await handleTraceFiles(path.join(distDir, 'server', 'instrumentation.js.nft.json'));
    }
    await handleTraceFiles(path.join(distDir, 'next-server.js.nft.json'));
    const serverOutputPath = path.join(outputPath, path.relative(tracingRoot, dir), 'server.js');
    await fs.mkdir(path.dirname(serverOutputPath), {
        recursive: true
    });
    await fs.writeFile(serverOutputPath, `${moduleType ? `performance.mark('next-start');
import path from 'path'
import { fileURLToPath } from 'url'
import module from 'module'
const require = module.createRequire(import.meta.url)
const __dirname = fileURLToPath(new URL('.', import.meta.url))
` : `const path = require('path')`}

const dir = path.join(__dirname)

process.env.NODE_ENV = 'production'
process.chdir(__dirname)

const currentPort = parseInt(process.env.PORT, 10) || 3000
const hostname = process.env.HOSTNAME || '0.0.0.0'

let keepAliveTimeout = parseInt(process.env.KEEP_ALIVE_TIMEOUT, 10)
const nextConfig = ${JSON.stringify(nextConfig)}

process.env.__NEXT_PRIVATE_STANDALONE_CONFIG = JSON.stringify(nextConfig)

require('next')
const { startServer } = require('next/dist/server/lib/start-server')

if (
  Number.isNaN(keepAliveTimeout) ||
  !Number.isFinite(keepAliveTimeout) ||
  keepAliveTimeout < 0
) {
  keepAliveTimeout = undefined
}

startServer({
  dir,
  isDev: false,
  config: nextConfig,
  hostname,
  port: currentPort,
  allowRetry: false,
  keepAliveTimeout,
}).catch((err) => {
  console.error(err);
  process.exit(1);
});`);
}
export function isReservedPage(page) {
    return RESERVED_PAGE.test(page);
}
export function isAppBuiltinNotFoundPage(page) {
    return /next[\\/]dist[\\/]client[\\/]components[\\/]not-found-error/.test(page);
}
export function isCustomErrorPage(page) {
    return page === '/404' || page === '/500';
}
export function isMiddlewareFile(file) {
    return file === `/${MIDDLEWARE_FILENAME}` || file === `/src/${MIDDLEWARE_FILENAME}`;
}
export function isInstrumentationHookFile(file) {
    return file === `/${INSTRUMENTATION_HOOK_FILENAME}` || file === `/src/${INSTRUMENTATION_HOOK_FILENAME}`;
}
export function getPossibleInstrumentationHookFilenames(folder, extensions) {
    const files = [];
    for (const extension of extensions){
        files.push(path.join(folder, `${INSTRUMENTATION_HOOK_FILENAME}.${extension}`), path.join(folder, `src`, `${INSTRUMENTATION_HOOK_FILENAME}.${extension}`));
    }
    return files;
}
export function getPossibleMiddlewareFilenames(folder, extensions) {
    return extensions.map((extension)=>path.join(folder, `${MIDDLEWARE_FILENAME}.${extension}`));
}
export class NestedMiddlewareError extends Error {
    constructor(nestedFileNames, mainDir, pagesOrAppDir){
        super(`Nested Middleware is not allowed, found:\n` + `${nestedFileNames.map((file)=>`pages${file}`).join('\n')}\n` + `Please move your code to a single file at ${path.join(path.posix.sep, path.relative(mainDir, path.resolve(pagesOrAppDir, '..')), 'middleware')} instead.\n` + `Read More - https://nextjs.org/docs/messages/nested-middleware`);
    }
}
export function getSupportedBrowsers(dir, isDevelopment) {
    let browsers;
    try {
        const browsersListConfig = browserslist.loadConfig({
            path: dir,
            env: isDevelopment ? 'development' : 'production'
        });
        // Running `browserslist` resolves `extends` and other config features into a list of browsers
        if (browsersListConfig && browsersListConfig.length > 0) {
            browsers = browserslist(browsersListConfig);
        }
    } catch  {}
    // When user has browserslist use that target
    if (browsers && browsers.length > 0) {
        return browsers;
    }
    // Uses modern browsers as the default.
    return MODERN_BROWSERSLIST_TARGET;
}
export function isWebpackServerOnlyLayer(layer) {
    return Boolean(layer && WEBPACK_LAYERS.GROUP.serverOnly.includes(layer));
}
export function isWebpackClientOnlyLayer(layer) {
    return Boolean(layer && WEBPACK_LAYERS.GROUP.clientOnly.includes(layer));
}
export function isWebpackDefaultLayer(layer) {
    return layer === null || layer === undefined || layer === WEBPACK_LAYERS.pagesDirBrowser || layer === WEBPACK_LAYERS.pagesDirEdge || layer === WEBPACK_LAYERS.pagesDirNode;
}
export function isWebpackBundledLayer(layer) {
    return Boolean(layer && WEBPACK_LAYERS.GROUP.bundled.includes(layer));
}
export function isWebpackAppPagesLayer(layer) {
    return Boolean(layer && WEBPACK_LAYERS.GROUP.appPages.includes(layer));
}
export function collectMeta({ status, headers }) {
    const meta = {};
    if (status !== 200) {
        meta.status = status;
    }
    if (headers && Object.keys(headers).length) {
        meta.headers = {};
        // normalize header values as initialHeaders
        // must be Record<string, string>
        for(const key in headers){
            // set-cookie is already handled - the middleware cookie setting case
            // isn't needed for the prerender manifest since it can't read cookies
            if (key === 'x-middleware-set-cookie') continue;
            let value = headers[key];
            if (Array.isArray(value)) {
                if (key === 'set-cookie') {
                    value = value.join(',');
                } else {
                    value = value[value.length - 1];
                }
            }
            if (typeof value === 'string') {
                meta.headers[key] = value;
            }
        }
    }
    return meta;
}

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