468 lines
22 KiB
JavaScript
468 lines
22 KiB
JavaScript
import path from "path";
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import fs from "fs/promises";
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import * as Log from "../../../build/output/log";
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import setupDebug from "next/dist/compiled/debug";
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import LRUCache from "next/dist/compiled/lru-cache";
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import loadCustomRoutes from "../../../lib/load-custom-routes";
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import { modifyRouteRegex } from "../../../lib/redirect-status";
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import { FileType, fileExists } from "../../../lib/file-exists";
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import { recursiveReadDir } from "../../../lib/recursive-readdir";
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import { isDynamicRoute } from "../../../shared/lib/router/utils";
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import { escapeStringRegexp } from "../../../shared/lib/escape-regexp";
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import { getPathMatch } from "../../../shared/lib/router/utils/path-match";
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import { getRouteRegex } from "../../../shared/lib/router/utils/route-regex";
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import { getRouteMatcher } from "../../../shared/lib/router/utils/route-matcher";
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import { pathHasPrefix } from "../../../shared/lib/router/utils/path-has-prefix";
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import { normalizeLocalePath } from "../../../shared/lib/i18n/normalize-locale-path";
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import { removePathPrefix } from "../../../shared/lib/router/utils/remove-path-prefix";
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import { getMiddlewareRouteMatcher } from "../../../shared/lib/router/utils/middleware-route-matcher";
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import { APP_PATH_ROUTES_MANIFEST, BUILD_ID_FILE, MIDDLEWARE_MANIFEST, PAGES_MANIFEST, PRERENDER_MANIFEST, ROUTES_MANIFEST } from "../../../shared/lib/constants";
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import { normalizePathSep } from "../../../shared/lib/page-path/normalize-path-sep";
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import { normalizeMetadataRoute } from "../../../lib/metadata/get-metadata-route";
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import { RSCPathnameNormalizer } from "../../future/normalizers/request/rsc";
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import { PostponedPathnameNormalizer } from "../../future/normalizers/request/postponed";
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import { PrefetchRSCPathnameNormalizer } from "../../future/normalizers/request/prefetch-rsc";
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const debug = setupDebug("next:router-server:filesystem");
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export const buildCustomRoute = (type, item, basePath, caseSensitive)=>{
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const restrictedRedirectPaths = [
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"/_next"
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].map((p)=>basePath ? `${basePath}${p}` : p);
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const match = getPathMatch(item.source, {
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strict: true,
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removeUnnamedParams: true,
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regexModifier: !item.internal ? (regex)=>modifyRouteRegex(regex, type === "redirect" ? restrictedRedirectPaths : undefined) : undefined,
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sensitive: caseSensitive
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});
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return {
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...item,
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...type === "rewrite" ? {
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check: true
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} : {},
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match
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};
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};
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export async function setupFsCheck(opts) {
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const getItemsLru = !opts.dev ? new LRUCache({
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max: 1024 * 1024,
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length (value, key) {
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if (!value) return (key == null ? void 0 : key.length) || 0;
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return (key || "").length + (value.fsPath || "").length + value.itemPath.length + value.type.length;
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}
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}) : undefined;
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// routes that have _next/data endpoints (SSG/SSP)
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const nextDataRoutes = new Set();
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const publicFolderItems = new Set();
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const nextStaticFolderItems = new Set();
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const legacyStaticFolderItems = new Set();
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const appFiles = new Set();
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const pageFiles = new Set();
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let dynamicRoutes = [];
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let middlewareMatcher = ()=>false;
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const distDir = path.join(opts.dir, opts.config.distDir);
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const publicFolderPath = path.join(opts.dir, "public");
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const nextStaticFolderPath = path.join(distDir, "static");
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const legacyStaticFolderPath = path.join(opts.dir, "static");
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let customRoutes = {
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redirects: [],
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rewrites: {
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beforeFiles: [],
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afterFiles: [],
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fallback: []
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},
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headers: []
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};
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let buildId = "development";
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let prerenderManifest;
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if (!opts.dev) {
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var _middlewareManifest_middleware_, _middlewareManifest_middleware;
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const buildIdPath = path.join(opts.dir, opts.config.distDir, BUILD_ID_FILE);
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try {
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buildId = await fs.readFile(buildIdPath, "utf8");
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} catch (err) {
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if (err.code !== "ENOENT") throw err;
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throw new Error(`Could not find a production build in the '${opts.config.distDir}' directory. Try building your app with 'next build' before starting the production server. https://nextjs.org/docs/messages/production-start-no-build-id`);
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}
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try {
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for (const file of (await recursiveReadDir(publicFolderPath))){
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// Ensure filename is encoded and normalized.
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publicFolderItems.add(encodeURI(normalizePathSep(file)));
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}
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} catch (err) {
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if (err.code !== "ENOENT") {
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throw err;
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}
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}
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try {
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for (const file of (await recursiveReadDir(legacyStaticFolderPath))){
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// Ensure filename is encoded and normalized.
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legacyStaticFolderItems.add(encodeURI(normalizePathSep(file)));
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}
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Log.warn(`The static directory has been deprecated in favor of the public directory. https://nextjs.org/docs/messages/static-dir-deprecated`);
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} catch (err) {
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if (err.code !== "ENOENT") {
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throw err;
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}
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}
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try {
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for (const file of (await recursiveReadDir(nextStaticFolderPath))){
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// Ensure filename is encoded and normalized.
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nextStaticFolderItems.add(path.posix.join("/_next/static", encodeURI(normalizePathSep(file))));
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}
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} catch (err) {
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if (opts.config.output !== "standalone") throw err;
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}
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const routesManifestPath = path.join(distDir, ROUTES_MANIFEST);
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const prerenderManifestPath = path.join(distDir, PRERENDER_MANIFEST);
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const middlewareManifestPath = path.join(distDir, "server", MIDDLEWARE_MANIFEST);
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const pagesManifestPath = path.join(distDir, "server", PAGES_MANIFEST);
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const appRoutesManifestPath = path.join(distDir, APP_PATH_ROUTES_MANIFEST);
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const routesManifest = JSON.parse(await fs.readFile(routesManifestPath, "utf8"));
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prerenderManifest = JSON.parse(await fs.readFile(prerenderManifestPath, "utf8"));
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const middlewareManifest = JSON.parse(await fs.readFile(middlewareManifestPath, "utf8").catch(()=>"{}"));
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const pagesManifest = JSON.parse(await fs.readFile(pagesManifestPath, "utf8"));
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const appRoutesManifest = JSON.parse(await fs.readFile(appRoutesManifestPath, "utf8").catch(()=>"{}"));
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for (const key of Object.keys(pagesManifest)){
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// ensure the non-locale version is in the set
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if (opts.config.i18n) {
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pageFiles.add(normalizeLocalePath(key, opts.config.i18n.locales).pathname);
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} else {
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pageFiles.add(key);
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}
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}
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for (const key of Object.keys(appRoutesManifest)){
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appFiles.add(appRoutesManifest[key]);
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}
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const escapedBuildId = escapeStringRegexp(buildId);
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for (const route of routesManifest.dataRoutes){
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if (isDynamicRoute(route.page)) {
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const routeRegex = getRouteRegex(route.page);
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dynamicRoutes.push({
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...route,
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regex: routeRegex.re.toString(),
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match: getRouteMatcher({
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// TODO: fix this in the manifest itself, must also be fixed in
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// upstream builder that relies on this
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re: opts.config.i18n ? new RegExp(route.dataRouteRegex.replace(`/${escapedBuildId}/`, `/${escapedBuildId}/(?<nextLocale>[^/]+?)/`)) : new RegExp(route.dataRouteRegex),
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groups: routeRegex.groups
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})
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});
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}
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nextDataRoutes.add(route.page);
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}
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for (const route of routesManifest.dynamicRoutes){
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dynamicRoutes.push({
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...route,
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match: getRouteMatcher(getRouteRegex(route.page))
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});
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}
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if ((_middlewareManifest_middleware = middlewareManifest.middleware) == null ? void 0 : (_middlewareManifest_middleware_ = _middlewareManifest_middleware["/"]) == null ? void 0 : _middlewareManifest_middleware_.matchers) {
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var _middlewareManifest_middleware_1, _middlewareManifest_middleware1;
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middlewareMatcher = getMiddlewareRouteMatcher((_middlewareManifest_middleware1 = middlewareManifest.middleware) == null ? void 0 : (_middlewareManifest_middleware_1 = _middlewareManifest_middleware1["/"]) == null ? void 0 : _middlewareManifest_middleware_1.matchers);
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}
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customRoutes = {
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redirects: routesManifest.redirects,
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rewrites: routesManifest.rewrites ? Array.isArray(routesManifest.rewrites) ? {
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beforeFiles: [],
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afterFiles: routesManifest.rewrites,
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fallback: []
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} : routesManifest.rewrites : {
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beforeFiles: [],
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afterFiles: [],
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fallback: []
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},
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headers: routesManifest.headers
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};
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} else {
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// dev handling
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customRoutes = await loadCustomRoutes(opts.config);
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prerenderManifest = {
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version: 4,
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routes: {},
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dynamicRoutes: {},
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notFoundRoutes: [],
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preview: {
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previewModeId: require("crypto").randomBytes(16).toString("hex"),
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previewModeSigningKey: require("crypto").randomBytes(32).toString("hex"),
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previewModeEncryptionKey: require("crypto").randomBytes(32).toString("hex")
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}
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};
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}
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const headers = customRoutes.headers.map((item)=>buildCustomRoute("header", item, opts.config.basePath, opts.config.experimental.caseSensitiveRoutes));
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const redirects = customRoutes.redirects.map((item)=>buildCustomRoute("redirect", item, opts.config.basePath, opts.config.experimental.caseSensitiveRoutes));
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const rewrites = {
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beforeFiles: customRoutes.rewrites.beforeFiles.map((item)=>buildCustomRoute("before_files_rewrite", item)),
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afterFiles: customRoutes.rewrites.afterFiles.map((item)=>buildCustomRoute("rewrite", item, opts.config.basePath, opts.config.experimental.caseSensitiveRoutes)),
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fallback: customRoutes.rewrites.fallback.map((item)=>buildCustomRoute("rewrite", item, opts.config.basePath, opts.config.experimental.caseSensitiveRoutes))
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};
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const { i18n } = opts.config;
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const handleLocale = (pathname, locales)=>{
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let locale;
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if (i18n) {
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const i18nResult = normalizeLocalePath(pathname, locales || i18n.locales);
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pathname = i18nResult.pathname;
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locale = i18nResult.detectedLocale;
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}
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return {
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locale,
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pathname
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};
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};
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debug("nextDataRoutes", nextDataRoutes);
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debug("dynamicRoutes", dynamicRoutes);
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debug("pageFiles", pageFiles);
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debug("appFiles", appFiles);
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let ensureFn;
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const normalizers = {
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// Because we can't know if the app directory is enabled or not at this
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// stage, we assume that it is.
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rsc: new RSCPathnameNormalizer(),
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prefetchRSC: opts.config.experimental.ppr ? new PrefetchRSCPathnameNormalizer() : undefined,
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postponed: opts.config.experimental.ppr ? new PostponedPathnameNormalizer() : undefined
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};
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return {
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headers,
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rewrites,
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redirects,
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buildId,
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handleLocale,
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appFiles,
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pageFiles,
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dynamicRoutes,
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nextDataRoutes,
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exportPathMapRoutes: undefined,
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devVirtualFsItems: new Set(),
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prerenderManifest,
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middlewareMatcher: middlewareMatcher,
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ensureCallback (fn) {
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ensureFn = fn;
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},
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async getItem (itemPath) {
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const originalItemPath = itemPath;
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const itemKey = originalItemPath;
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const lruResult = getItemsLru == null ? void 0 : getItemsLru.get(itemKey);
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if (lruResult) {
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return lruResult;
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}
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const { basePath, assetPrefix } = opts.config;
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const hasBasePath = pathHasPrefix(itemPath, basePath);
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const hasAssetPrefix = pathHasPrefix(itemPath, assetPrefix);
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// Return null if either path doesn't start with basePath or assetPrefix
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if ((basePath || assetPrefix) && !hasBasePath && !hasAssetPrefix) {
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return null;
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}
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// Either remove basePath or assetPrefix, not both (due to routes with same name as basePath)
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if (basePath && hasBasePath) {
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itemPath = removePathPrefix(itemPath, basePath) || "/";
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} else if (assetPrefix && hasAssetPrefix) {
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itemPath = removePathPrefix(itemPath, assetPrefix) || "/";
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}
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// Simulate minimal mode requests by normalizing RSC and postponed
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// requests.
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if (opts.minimalMode) {
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var _normalizers_prefetchRSC, _normalizers_postponed;
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if ((_normalizers_prefetchRSC = normalizers.prefetchRSC) == null ? void 0 : _normalizers_prefetchRSC.match(itemPath)) {
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itemPath = normalizers.prefetchRSC.normalize(itemPath, true);
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} else if (normalizers.rsc.match(itemPath)) {
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itemPath = normalizers.rsc.normalize(itemPath, true);
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} else if ((_normalizers_postponed = normalizers.postponed) == null ? void 0 : _normalizers_postponed.match(itemPath)) {
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itemPath = normalizers.postponed.normalize(itemPath, true);
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}
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}
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if (itemPath !== "/" && itemPath.endsWith("/")) {
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itemPath = itemPath.substring(0, itemPath.length - 1);
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}
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let decodedItemPath = itemPath;
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try {
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decodedItemPath = decodeURIComponent(itemPath);
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} catch {}
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if (itemPath === "/_next/image") {
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return {
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itemPath,
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type: "nextImage"
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};
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}
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const itemsToCheck = [
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[
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this.devVirtualFsItems,
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"devVirtualFsItem"
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],
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[
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nextStaticFolderItems,
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"nextStaticFolder"
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],
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[
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legacyStaticFolderItems,
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"legacyStaticFolder"
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],
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[
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publicFolderItems,
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"publicFolder"
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],
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[
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appFiles,
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"appFile"
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],
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[
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pageFiles,
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"pageFile"
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]
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];
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for (let [items, type] of itemsToCheck){
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let locale;
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let curItemPath = itemPath;
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let curDecodedItemPath = decodedItemPath;
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const isDynamicOutput = type === "pageFile" || type === "appFile";
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if (i18n) {
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var _i18n_domains;
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const localeResult = handleLocale(itemPath, // legacy behavior allows visiting static assets under
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// default locale but no other locale
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isDynamicOutput ? undefined : [
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i18n == null ? void 0 : i18n.defaultLocale,
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// default locales from domains need to be matched too
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...((_i18n_domains = i18n.domains) == null ? void 0 : _i18n_domains.map((item)=>item.defaultLocale)) || []
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]);
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if (localeResult.pathname !== curItemPath) {
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curItemPath = localeResult.pathname;
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locale = localeResult.locale;
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try {
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curDecodedItemPath = decodeURIComponent(curItemPath);
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} catch {}
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}
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}
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if (type === "legacyStaticFolder") {
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if (!pathHasPrefix(curItemPath, "/static")) {
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continue;
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}
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curItemPath = curItemPath.substring("/static".length);
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try {
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curDecodedItemPath = decodeURIComponent(curItemPath);
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} catch {}
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}
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if (type === "nextStaticFolder" && !pathHasPrefix(curItemPath, "/_next/static")) {
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continue;
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}
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const nextDataPrefix = `/_next/data/${buildId}/`;
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if (type === "pageFile" && curItemPath.startsWith(nextDataPrefix) && curItemPath.endsWith(".json")) {
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items = nextDataRoutes;
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// remove _next/data/<build-id> prefix
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curItemPath = curItemPath.substring(nextDataPrefix.length - 1);
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// remove .json postfix
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curItemPath = curItemPath.substring(0, curItemPath.length - ".json".length);
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const curLocaleResult = handleLocale(curItemPath);
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curItemPath = curLocaleResult.pathname === "/index" ? "/" : curLocaleResult.pathname;
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locale = curLocaleResult.locale;
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try {
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curDecodedItemPath = decodeURIComponent(curItemPath);
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} catch {}
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}
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let matchedItem = items.has(curItemPath);
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// check decoded variant as well
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if (!matchedItem && !opts.dev) {
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matchedItem = items.has(curDecodedItemPath);
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if (matchedItem) curItemPath = curDecodedItemPath;
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else {
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// x-ref: https://github.com/vercel/next.js/issues/54008
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// There're cases that urls get decoded before requests, we should support both encoded and decoded ones.
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// e.g. nginx could decode the proxy urls, the below ones should be treated as the same:
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// decoded version: `/_next/static/chunks/pages/blog/[slug]-d4858831b91b69f6.js`
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// encoded version: `/_next/static/chunks/pages/blog/%5Bslug%5D-d4858831b91b69f6.js`
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try {
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// encode the special characters in the path and retrieve again to determine if path exists.
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const encodedCurItemPath = encodeURI(curItemPath);
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matchedItem = items.has(encodedCurItemPath);
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} catch {}
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}
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}
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if (matchedItem || opts.dev) {
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let fsPath;
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let itemsRoot;
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switch(type){
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case "nextStaticFolder":
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{
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itemsRoot = nextStaticFolderPath;
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curItemPath = curItemPath.substring("/_next/static".length);
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break;
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}
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case "legacyStaticFolder":
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{
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itemsRoot = legacyStaticFolderPath;
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break;
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}
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case "publicFolder":
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{
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itemsRoot = publicFolderPath;
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break;
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}
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default:
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{
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break;
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}
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}
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if (itemsRoot && curItemPath) {
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fsPath = path.posix.join(itemsRoot, curItemPath);
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}
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// dynamically check fs in development so we don't
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// have to wait on the watcher
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if (!matchedItem && opts.dev) {
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const isStaticAsset = [
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"nextStaticFolder",
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"publicFolder",
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"legacyStaticFolder"
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].includes(type);
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if (isStaticAsset && itemsRoot) {
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let found = fsPath && await fileExists(fsPath, FileType.File);
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if (!found) {
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try {
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// In dev, we ensure encoded paths match
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// decoded paths on the filesystem so check
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// that variation as well
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const tempItemPath = decodeURIComponent(curItemPath);
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fsPath = path.posix.join(itemsRoot, tempItemPath);
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found = await fileExists(fsPath, FileType.File);
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} catch {}
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if (!found) {
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continue;
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}
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}
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} else if (type === "pageFile" || type === "appFile") {
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var _ensureFn;
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const isAppFile = type === "appFile";
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if (ensureFn && await ((_ensureFn = ensureFn({
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type,
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itemPath: isAppFile ? normalizeMetadataRoute(curItemPath) : curItemPath
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})) == null ? void 0 : _ensureFn.catch(()=>"ENSURE_FAILED")) === "ENSURE_FAILED") {
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continue;
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}
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} else {
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continue;
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}
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}
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// i18n locales aren't matched for app dir
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if (type === "appFile" && locale && locale !== (i18n == null ? void 0 : i18n.defaultLocale)) {
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continue;
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}
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const itemResult = {
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type,
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fsPath,
|
|
locale,
|
|
itemsRoot,
|
|
itemPath: curItemPath
|
|
};
|
|
getItemsLru == null ? void 0 : getItemsLru.set(itemKey, itemResult);
|
|
return itemResult;
|
|
}
|
|
}
|
|
getItemsLru == null ? void 0 : getItemsLru.set(itemKey, null);
|
|
return null;
|
|
},
|
|
getDynamicRoutes () {
|
|
// this should include data routes
|
|
return this.dynamicRoutes;
|
|
},
|
|
getMiddlewareMatchers () {
|
|
return this.middlewareMatcher;
|
|
}
|
|
};
|
|
}
|
|
|
|
//# sourceMappingURL=filesystem.js.map
|