next
Version:
The React Framework
1,434 lines • 63.5 kB
JavaScript
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 { getRouteRegex } from '../shared/lib/router/utils/route-regex';
import { getRouteMatcher } from '../shared/lib/router/utils/route-matcher';
import { isDynamicRoute } from '../shared/lib/router/utils/is-dynamic';
import escapePathDelimiters from '../shared/lib/router/utils/escape-path-delimiters';
import { findPageFile } from '../server/lib/find-page-file';
import { removeTrailingSlash } from '../shared/lib/router/utils/remove-trailing-slash';
import { isEdgeRuntime } from '../lib/is-edge-runtime';
import { normalizeLocalePath } from '../shared/lib/i18n/normalize-locale-path';
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-reference';
import { createWorkStore } from '../server/async-storage/work-store';
import { IncrementalCache } from '../server/lib/incremental-cache';
import { nodeFs } from '../server/lib/node-fs-methods';
import * as ciEnvironment from '../server/ci-info';
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 { interopDefault } from '../lib/interop-default';
import { formatDynamicImportPath } from '../lib/format-dynamic-import-path';
import { isInterceptionRouteAppPath } from '../server/lib/interception-routes';
import { checkIsRoutePPREnabled } from '../server/lib/experimental/ppr';
import { FallbackMode } from '../lib/fallback';
import { fallbackModeToStaticPathsResult, parseStaticPathsResult } from '../lib/fallback';
import { getParamKeys } from '../server/request/fallback-params';
import { collectSegments } from './segment-config/app/app-segments';
import { createIncrementalCache } from '../export/helpers/create-incremental-cache';
// 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/${INSTRUMENTATION_HOOK_FILENAME}`;
}
const filterAndSortList = (list, routeType, hasCustomApp)=>{
let pages;
if (routeType === 'app') {
// filter out static app route of /favicon.ico
pages = list.filter((e)=>e !== '/favicon.ico');
} else {
// filter built-in pages
pages = list.slice().filter((e)=>!(e === '/_document' || e === '/_error' || !hasCustomApp && e === '/_app'));
}
return pages.sort((a, b)=>a.localeCompare(b));
};
export function collectRoutesUsingEdgeRuntime(input) {
const routesUsingEdgeRuntime = {};
for (const [route, info] of input.entries()){
if (isEdgeRuntime(info.runtime)) {
routesUsingEdgeRuntime[route] = 0;
}
}
return routesUsingEdgeRuntime;
}
export async function printTreeView(lists, pageInfos, { distPath, buildId, pagesDir, pageExtensions, buildManifest, appBuildManifest, middlewareManifest, useStaticPages404, gzipSize = true }) {
var _lists_app, _middlewareManifest_middleware;
const getPrettySize = (_size)=>{
const size = prettyBytes(_size);
return white(bold(size));
};
const MIN_DURATION = 300;
const getPrettyDuration = (_duration)=>{
const duration = `${_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;
}
messages.push([
routerType === 'app' ? 'Route (app)' : 'Route (pages)',
'Size',
'First Load JS'
].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);
if (pageInfo == null ? void 0 : pageInfo.initialRevalidateSeconds) usedSymbols.add('ISR');
messages.push([
`${border} ${symbol} ${(pageInfo == null ? void 0 : pageInfo.initialRevalidateSeconds) ? `${item} (ISR: ${pageInfo == null ? void 0 : pageInfo.initialRevalidateSeconds} Seconds)` : item}${totalDuration > MIN_DURATION ? ` (${getPrettyDuration(totalDuration)})` : ''}`,
pageInfo ? ampFirst ? cyan('AMP') : pageInfo.size >= 0 ? prettyBytes(pageInfo.size) : '' : '',
pageInfo ? ampFirst ? cyan('AMP') : pageInfo.size >= 0 ? getPrettySize(pageInfo.totalSize) : '' : ''
]);
const uniqueCssFiles = ((_buildManifest_pages_item = buildManifest.pages[item]) == null ? void 0 : _buildManifest_pages_item.filter((file)=>{
var _stats_router_routerType;
return file.endsWith('.css') && ((_stats_router_routerType = stats.router[routerType]) == null ? void 0 : _stats_router_routerType.unique.files.includes(file));
})) || [];
if (uniqueCssFiles.length > 0) {
const contSymbol = i === arr.length - 1 ? ' ' : '├';
uniqueCssFiles.forEach((file, index, { length })=>{
const innerSymbol = index === length - 1 ? '└' : '├';
const size = stats.sizes.get(file);
messages.push([
`${contSymbol} ${innerSymbol} ${getCleanName(file)}`,
typeof size === 'number' ? prettyBytes(size) : '',
''
]);
});
}
if (pageInfo == null ? void 0 : (_pageInfo_ssgPageRoutes = pageInfo.ssgPageRoutes) == null ? void 0 : _pageInfo_ssgPageRoutes.length) {
const totalRoutes = pageInfo.ssgPageRoutes.length;
const contSymbol = i === arr.length - 1 ? ' ' : '├';
let routes;
if (pageInfo.ssgPageDurations && pageInfo.ssgPageDurations.some((d)=>d > MIN_DURATION)) {
const previewPages = totalRoutes === 8 ? 8 : Math.min(totalRoutes, 7);
const routesWithDuration = pageInfo.ssgPageRoutes.map((route, idx)=>({
route,
duration: pageInfo.ssgPageDurations[idx] || 0
})).sort(({ duration: a }, { duration: b })=>// Sort by duration
// keep too small durations in original order at the end
a <= MIN_DURATION && b <= MIN_DURATION ? 0 : b - a);
routes = routesWithDuration.slice(0, previewPages);
const remainingRoutes = routesWithDuration.slice(previewPages);
if (remainingRoutes.length) {
const remaining = remainingRoutes.length;
const avgDuration = Math.round(remainingRoutes.reduce((total, { duration })=>total + duration, 0) / remainingRoutes.length);
routes.push({
route: `[+${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: `[+${remaining} more paths]`,
duration: 0
});
}
}
routes.forEach(({ route, duration, avgDuration }, index, { length })=>{
const innerSymbol = index === length - 1 ? '└' : '├';
messages.push([
`${contSymbol} ${innerSymbol} ${route}${duration > MIN_DURATION ? ` (${getPrettyDuration(duration)})` : ''}${avgDuration && avgDuration > MIN_DURATION ? ` (avg ${getPrettyDuration(avgDuration)})` : ''}`,
'',
''
]);
});
}
});
const sharedFilesSize = (_stats_router_routerType = stats.router[routerType]) == null ? void 0 : _stats_router_routerType.common.size.total;
const sharedFiles = ((_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) : '',
''
]);
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} ${cleanName}`,
prettyBytes(size),
''
]);
});
if (restChunkCount > 0) {
messages.push([
` └ other shared chunks (total)`,
prettyBytes(restChunkSize),
''
]);
}
};
// If enabled, then print the tree for the app directory.
if (lists.app && stats.router.app) {
await printFileTree({
routerType: 'app',
list: lists.app
});
messages.push([
'',
'',
''
]);
}
pageInfos.set('/404', {
...pageInfos.get('/404') || pageInfos.get('/_error'),
isStatic: useStaticPages404
});
// If there's no app /_notFound page present, then the 404 is still using the pages/404
if (!lists.pages.includes('/404') && !((_lists_app = lists.app) == null ? void 0 : _lists_app.includes(UNDERSCORE_NOT_FOUND_ROUTE))) {
lists.pages = [
...lists.pages,
'/404'
];
}
// Print the tree view for the pages directory.
await printFileTree({
routerType: 'pages',
list: lists.pages
});
const middlewareInfo = (_middlewareManifest_middleware = middlewareManifest.middleware) == null ? void 0 : _middlewareManifest_middleware['/'];
if ((middlewareInfo == null ? void 0 : middlewareInfo.files.length) > 0) {
const middlewareSizes = await Promise.all(middlewareInfo.files.map((dep)=>`${distPath}/${dep}`).map(gzipSize ? fsStatGzip : fsStat));
messages.push([
'',
'',
''
]);
messages.push([
'ƒ Middleware',
getPrettySize(sum(middlewareSizes)),
''
]);
}
print(textTable(messages, {
align: [
'l',
'l',
'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('ISR') && [
'',
'(ISR)',
`incremental static regeneration (uses revalidate in ${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 new Error('expected appBuildManifest with an "app" pageType');
}
// 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 new Error('expected "app" manifest data with an "app" pageType');
}
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 buildStaticPaths({ page, getStaticPaths, staticPathsResult, configFileName, locales, defaultLocale, appDir }) {
const prerenderedRoutes = [];
const _routeRegex = getRouteRegex(page);
const _routeMatcher = getRouteMatcher(_routeRegex);
// Get the default list of allowed params.
const routeParameterKeys = Object.keys(_routeMatcher(page));
if (!staticPathsResult) {
if (getStaticPaths) {
staticPathsResult = await getStaticPaths({
locales,
defaultLocale
});
} else {
throw new Error(`invariant: attempted to buildStaticPaths without "staticPathsResult" or "getStaticPaths" ${page}`);
}
}
const expectedReturnVal = `Expected: { paths: [], fallback: boolean }\n` + `See here for more info: https://nextjs.org/docs/messages/invalid-getstaticpaths-value`;
if (!staticPathsResult || typeof staticPathsResult !== 'object' || Array.isArray(staticPathsResult)) {
throw new Error(`Invalid value returned from getStaticPaths in ${page}. Received ${typeof staticPathsResult} ${expectedReturnVal}`);
}
const invalidStaticPathKeys = Object.keys(staticPathsResult).filter((key)=>!(key === 'paths' || key === 'fallback'));
if (invalidStaticPathKeys.length > 0) {
throw new Error(`Extra keys returned from getStaticPaths in ${page} (${invalidStaticPathKeys.join(', ')}) ${expectedReturnVal}`);
}
if (!(typeof staticPathsResult.fallback === 'boolean' || staticPathsResult.fallback === 'blocking')) {
throw new Error(`The \`fallback\` key must be returned from getStaticPaths in ${page}.\n` + expectedReturnVal);
}
const toPrerender = staticPathsResult.paths;
if (!Array.isArray(toPrerender)) {
throw new Error(`Invalid \`paths\` value returned from getStaticPaths in ${page}.\n` + `\`paths\` must be an array of strings or objects of shape { params: [key: string]: string }`);
}
toPrerender.forEach((entry)=>{
// For a string-provided path, we must make sure it matches the dynamic
// route.
if (typeof entry === 'string') {
entry = removeTrailingSlash(entry);
const localePathResult = normalizeLocalePath(entry, locales);
let cleanedEntry = entry;
if (localePathResult.detectedLocale) {
cleanedEntry = entry.slice(localePathResult.detectedLocale.length + 1);
} else if (defaultLocale) {
entry = `/${defaultLocale}${entry}`;
}
const result = _routeMatcher(cleanedEntry);
if (!result) {
throw new Error(`The provided path \`${cleanedEntry}\` does not match the page: \`${page}\`.`);
}
// If leveraging the string paths variant the entry should already be
// encoded so we decode the segments ensuring we only escape path
// delimiters
prerenderedRoutes.push({
path: entry.split('/').map((segment)=>escapePathDelimiters(decodeURIComponent(segment), true)).join('/'),
encoded: entry,
fallbackRouteParams: undefined
});
} else {
const invalidKeys = Object.keys(entry).filter((key)=>key !== 'params' && key !== 'locale');
if (invalidKeys.length) {
throw new Error(`Additional keys were returned from \`getStaticPaths\` in page "${page}". ` + `URL Parameters intended for this dynamic route must be nested under the \`params\` key, i.e.:` + `\n\n\treturn { params: { ${routeParameterKeys.map((k)=>`${k}: ...`).join(', ')} } }` + `\n\nKeys that need to be moved: ${invalidKeys.join(', ')}.\n`);
}
const { params = {} } = entry;
let builtPage = page;
let encodedBuiltPage = page;
routeParameterKeys.forEach((validParamKey)=>{
const { repeat, optional } = _routeRegex.groups[validParamKey];
let paramValue = params[validParamKey];
if (optional && params.hasOwnProperty(validParamKey) && (paramValue === null || paramValue === undefined || paramValue === false)) {
paramValue = [];
}
if (repeat && !Array.isArray(paramValue) || !repeat && typeof paramValue !== 'string') {
// If this is from app directory, and not all params were provided,
// then filter this out.
if (appDir && typeof paramValue === 'undefined') {
builtPage = '';
encodedBuiltPage = '';
return;
}
throw new Error(`A required parameter (${validParamKey}) was not provided as ${repeat ? 'an array' : 'a string'} received ${typeof paramValue} in ${appDir ? 'generateStaticParams' : 'getStaticPaths'} for ${page}`);
}
let replaced = `[${repeat ? '...' : ''}${validParamKey}]`;
if (optional) {
replaced = `[${replaced}]`;
}
builtPage = builtPage.replace(replaced, repeat ? paramValue.map((segment)=>escapePathDelimiters(segment, true)).join('/') : escapePathDelimiters(paramValue, true)).replace(/\\/g, '/').replace(/(?!^)\/$/, '');
encodedBuiltPage = encodedBuiltPage.replace(replaced, repeat ? paramValue.map(encodeURIComponent).join('/') : encodeURIComponent(paramValue)).replace(/\\/g, '/').replace(/(?!^)\/$/, '');
});
if (!builtPage && !encodedBuiltPage) {
return;
}
if (entry.locale && !(locales == null ? void 0 : locales.includes(entry.locale))) {
throw new Error(`Invalid locale returned from getStaticPaths for ${page}, the locale ${entry.locale} is not specified in ${configFileName}`);
}
const curLocale = entry.locale || defaultLocale || '';
prerenderedRoutes.push({
path: `${curLocale ? `/${curLocale}` : ''}${curLocale && builtPage === '/' ? '' : builtPage}`,
encoded: `${curLocale ? `/${curLocale}` : ''}${curLocale && encodedBuiltPage === '/' ? '' : encodedBuiltPage}`,
fallbackRouteParams: undefined
});
}
});
const seen = new Set();
return {
fallbackMode: parseStaticPathsResult(staticPathsResult.fallback),
prerenderedRoutes: prerenderedRoutes.filter((route)=>{
if (seen.has(route.path)) return false;
// Filter out duplicate paths.
seen.add(route.path);
return true;
})
};
}
export async function buildAppStaticPaths({ dir, page, distDir, dynamicIO, configFileName, segments, isrFlushToDisk, cacheHandler, cacheLifeProfiles, requestHeaders, maxMemoryCacheSize, fetchCacheKeyPrefix, nextConfigOutput, ComponentMod, isRoutePPREnabled, buildId }) {
if (segments.some((generate)=>{
var _generate_config;
return ((_generate_config = generate.config) == null ? void 0 : _generate_config.dynamicParams) === true;
}) && nextConfigOutput === 'export') {
throw new Error('"dynamicParams: true" cannot be used with "output: export". See more info here: https://nextjs.org/docs/app/building-your-application/deploying/static-exports');
}
ComponentMod.patchFetch();
let CurCacheHandler;
if (cacheHandler) {
CurCacheHandler = interopDefault(await import(formatDynamicImportPath(dir, cacheHandler)).then((mod)=>mod.default || mod));
}
const incrementalCache = new IncrementalCache({
fs: nodeFs,
dev: true,
dynamicIO,
flushToDisk: isrFlushToDisk,
serverDistDir: path.join(distDir, 'server'),
fetchCacheKeyPrefix,
maxMemoryCacheSize,
getPrerenderManifest: ()=>({
version: -1,
routes: {},
dynamicRoutes: {},
notFoundRoutes: [],
preview: null
}),
CurCacheHandler,
requestHeaders,
minimalMode: ciEnvironment.hasNextSupport
});
const paramKeys = new Set();
const staticParamKeys = new Set();
for (const segment of segments){
if (segment.param) {
var _segment_config;
paramKeys.add(segment.param);
if (((_segment_config = segment.config) == null ? void 0 : _segment_config.dynamicParams) === false) {
staticParamKeys.add(segment.param);
}
}
}
const store = createWorkStore({
page,
// We're discovering the parameters here, so we don't have any unknown
// ones.
fallbackRouteParams: null,
renderOpts: {
incrementalCache,
cacheLifeProfiles,
supportsDynamicResponse: true,
isRevalidate: false,
experimental: {
after: false,
dynamicIO
},
buildId
}
});
const routeParams = await ComponentMod.workAsyncStorage.run(store, async ()=>{
async function builtRouteParams(parentsParams = [], idx = 0) {
// If we don't have any more to process, then we're done.
if (idx === segments.length) return parentsParams;
const current = segments[idx];
if (typeof current.generateStaticParams !== 'function' && idx < segments.length) {
return builtRouteParams(parentsParams, idx + 1);
}
const params = [];
if (current.generateStaticParams) {
var _current_config;
// fetchCache can be used to inform the fetch() defaults used inside
// of generateStaticParams. revalidate and dynamic options don't come into
// play within generateStaticParams.
if (typeof ((_current_config = current.config) == null ? void 0 : _current_config.fetchCache) !== 'undefined') {
store.fetchCache = current.config.fetchCache;
}
if (parentsParams.length > 0) {
for (const parentParams of parentsParams){
const result = await current.generateStaticParams({
params: parentParams
});
for (const item of result){
params.push({
...parentParams,
...item
});
}
}
} else {
const result = await current.generateStaticParams({
params: {}
});
params.push(...result);
}
}
if (idx < segments.length) {
return builtRouteParams(params, idx + 1);
}
return params;
}
return builtRouteParams();
});
for (const segment of segments){
var _segment_config1;
// Check to see if there are any missing params for segments that have
// dynamicParams set to false.
if (segment.param && segment.isDynamicSegment && ((_segment_config1 = segment.config) == null ? void 0 : _segment_config1.dynamicParams) === false) {
for (const params of routeParams){
if (segment.param in params) continue;
const relative = segment.filePath ? path.relative(dir, segment.filePath) : undefined;
throw new Error(`Segment "${relative}" exports "dynamicParams: false" but the param "${segment.param}" is missing from the generated route params.`);
}
}
}
// Determine if all the segments have had their parameters provided. If there
// was no dynamic parameters, then we've collected all the params.
const hadAllParamsGenerated = paramKeys.size === 0 || routeParams.length > 0 && routeParams.every((params)=>{
for (const key of paramKeys){
if (key in params) continue;
return false;
}
return true;
});
// TODO: dynamic params should be allowed to be granular per segment but
// we need additional information stored/leveraged in the prerender
// manifest to allow this behavior.
const dynamicParams = segments.every((segment)=>{
var _segment_config;
return ((_segment_config = segment.config) == null ? void 0 : _segment_config.dynamicParams) !== false;
});
const supportsRoutePreGeneration = hadAllParamsGenerated || process.env.NODE_ENV === 'production';
const fallbackMode = dynamicParams ? supportsRoutePreGeneration ? isRoutePPREnabled ? FallbackMode.PRERENDER : FallbackMode.BLOCKING_STATIC_RENDER : undefined : FallbackMode.NOT_FOUND;
let result = {
fallbackMode,
prerenderedRoutes: undefined
};
if (hadAllParamsGenerated && fallbackMode) {
result = await buildStaticPaths({
staticPathsResult: {
fallback: fallbackModeToStaticPathsResult(fallbackMode),
paths: routeParams.map((params)=>({
params
}))
},
page,
configFileName,
appDir: true
});
}
// If the fallback mode is a prerender, we want to include the dynamic
// route in the prerendered routes too.
if (isRoutePPREnabled) {
result.prerenderedRoutes ??= [];
result.prerenderedRoutes.unshift({
path: page,
encoded: page,
fallbackRouteParams: getParamKeys(page)
});
}
return result;
}
export async function isPageStatic({ dir, page, distDir, configFileName, runtimeEnvConfig, httpAgentOptions, locales, defaultLocale, parentId, pageRuntime, edgeInfo, pageType, dynamicIO, originalAppPath, isrFlushToDisk, maxMemoryCacheSize, nextConfigOutput, cacheHandler, cacheHandlers, cacheLifeProfiles, pprConfig, buildId }) {
await createIncrementalCache({
cacheHandler,
cacheHandlers,
distDir,
dir,
dynamicIO,
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 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'
});
}
const Comp = componentsResult.Component;
let staticPathsResult;
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 new Error(`Failed to collect configuration for ${page}`, {
cause: err
});
}
appConfig = reduceAppConfig(await collectSegments(componentsResult));
if (appConfig.dynamic === 'force-static' && pathIsEdgeRuntime) {
Log.warn(`Page "${page}" is using runtime = 'edge' which is currently incompatible with dynamic = 'force-static'. Please remove either "runtime" or "force-static" for correct behavior`);
}
// 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 (isDynamicRoute(page)) {
({ fallbackMode: prerenderFallbackMode, prerenderedRoutes } = await buildAppStaticPaths({
dir,
page,
dynamicIO,
configFileName,
segments,
distDir,
requestHeaders: {},
isrFlushToDisk,
maxMemoryCacheSize,
cacheHandler,
cacheLifeProfiles,
ComponentMod,
nextConfigOutput,
isRoutePPREnabled,
buildId
}));
}
} else {
if (!Comp || !isValidElementType(Comp) || typeof Comp === 'string') {
throw new Error('INVALID_DEFAULT_EXPORT');
}
}
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 new Error(SSG_GET_INITIAL_PROPS_CONFLICT);
}
if (hasGetInitialProps && hasServerProps) {
throw new Error(SERVER_PROPS_GET_INIT_PROPS_CONFLICT);
}
if (hasStaticProps && hasServerProps) {
throw new Error(SERVER_PROPS_SSG_CONFLICT);
}
const pageIsDynamic = isDynamicRoute(page);
// A page cannot have static parameters if it is not a dynamic page.
if (hasStaticProps && hasStaticPaths && !pageIsDynamic) {
throw new Error(`getStaticPaths can only be used with dynamic pages, not '${page}'.` + `\nLearn more: https://nextjs.org/docs/routing/dynamic-routes`);
}
if (hasStaticProps && pageIsDynamic && !hasStaticPaths) {
throw new Error(`getStaticPaths is required for dynamic SSG pages and is missing for '${page}'.` + `\nRead more: https://nextjs.org/docs/messages/invalid-getstaticpaths-value`);
}
if (hasStaticProps && hasStaticPaths || staticPathsResult) {
({ fallbackMode: prerenderFallbackMode, prerenderedRoutes } = await buildStaticPaths({
page,
locales,
defaultLocale,
configFileName,
staticPathsResult,
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,
hasStaticProps,
hasServerProps,
isNextImageImported,
appConfig
};
}).catch((err)=>{
if (err.message === 'INVALID_DEFAULT_EXPORT') {
throw err;
}
console.error(err);
throw new Error(`Failed to collect page data for ${page}`);
});
}
/**
* 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 }) {
require('../shared/lib/runtime-config.external').setConfig(runtimeEnvConfig);
const components = await loadComponents({
distDir,
page: page,
isAppPath: false
});
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 }) {
require('../shared/lib/runtime-config.external').setConfig(runtimeEnvConfig);
const components = await loadComponents({
distDir,
page: page,
isAppPath: false
});
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, 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 ${pageFile}`, err);
}
});
}
if (appPageKeys) {
for (const page of appPageKeys){
if (middlewareManifest.functions.hasOwnProperty(page)) {
continue;
}
const pageFile = path.join(distDir, 'server', 'app', `${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;
}
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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