feat(blog): add file-based blog with dynamic slugs, MDX content and layout shell

- Introduced blog routing using Next.js App Router
- Implemented dynamic [slug] pages for blog posts
- Added MDX-based content loading via lib/posts
- Integrated shared TopBar layout with navigation
- Established clear content, lib and component separation

apps/public-web/node_modules/next/dist/server/lib/find-page-file.js

@@ -0,0 +1,127 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+0 && (module.exports = {
+    createValidFileMatcher: null,
+    findPageFile: null
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        enumerable: true,
+        get: all[name]
+    });
+}
+_export(exports, {
+    createValidFileMatcher: function() {
+        return createValidFileMatcher;
+    },
+    findPageFile: function() {
+        return findPageFile;
+    }
+});
+const _fileexists = require("../../lib/file-exists");
+const _getpagepaths = require("../../shared/lib/page-path/get-page-paths");
+const _nonnullable = require("../../lib/non-nullable");
+const _path = require("path");
+const _fs = require("fs");
+const _log = require("../../build/output/log");
+const _picocolors = require("../../lib/picocolors");
+const _ismetadataroute = require("../../lib/metadata/is-metadata-route");
+async function isTrueCasePagePath(pagePath, pagesDir) {
+    const pageSegments = (0, _path.normalize)(pagePath).split(_path.sep).filter(Boolean);
+    const segmentExistsPromises = pageSegments.map(async (segment, i)=>{
+        const segmentParentDir = (0, _path.join)(pagesDir, ...pageSegments.slice(0, i));
+        const parentDirEntries = await _fs.promises.readdir(segmentParentDir);
+        return parentDirEntries.includes(segment);
+    });
+    return (await Promise.all(segmentExistsPromises)).every(Boolean);
+}
+async function findPageFile(pagesDir, normalizedPagePath, pageExtensions, isAppDir) {
+    const pagePaths = (0, _getpagepaths.getPagePaths)(normalizedPagePath, pageExtensions, isAppDir);
+    const [existingPath, ...others] = (await Promise.all(pagePaths.map(async (path)=>{
+        const filePath = (0, _path.join)(pagesDir, path);
+        try {
+            return await (0, _fileexists.fileExists)(filePath) ? path : null;
+        } catch (err) {
+            var _err_code;
+            if (!(err == null ? void 0 : (_err_code = err.code) == null ? void 0 : _err_code.includes('ENOTDIR'))) throw err;
+        }
+        return null;
+    }))).filter(_nonnullable.nonNullable);
+    if (!existingPath) {
+        return null;
+    }
+    if (!await isTrueCasePagePath(existingPath, pagesDir)) {
+        return null;
+    }
+    if (others.length > 0) {
+        (0, _log.warn)(`Duplicate page detected. ${(0, _picocolors.cyan)((0, _path.join)('pages', existingPath))} and ${(0, _picocolors.cyan)((0, _path.join)('pages', others[0]))} both resolve to ${(0, _picocolors.cyan)(normalizedPagePath)}.`);
+    }
+    return existingPath;
+}
+function createValidFileMatcher(pageExtensions, appDirPath) {
+    const getExtensionRegexString = (extensions)=>`(?:${extensions.join('|')})`;
+    const validExtensionFileRegex = new RegExp('\\.' + getExtensionRegexString(pageExtensions) + '$');
+    const leafOnlyPageFileRegex = new RegExp(`(^(page|route)|[\\\\/](page|route))\\.${getExtensionRegexString(pageExtensions)}$`);
+    const leafOnlyRouteFileRegex = new RegExp(`(^route|[\\\\/]route)\\.${getExtensionRegexString(pageExtensions)}$`);
+    const leafOnlyLayoutFileRegex = new RegExp(`(^(layout)|[\\\\/](layout))\\.${getExtensionRegexString(pageExtensions)}$`);
+    const rootNotFoundFileRegex = new RegExp(`^not-found\\.${getExtensionRegexString(pageExtensions)}$`);
+    const leafOnlyDefaultFileRegex = new RegExp(`(^(default)|[\\\\/](default))\\.${getExtensionRegexString(pageExtensions)}$`);
+    /** TODO-METADATA: support other metadata routes
+   *  regex for:
+   *
+   * /robots.txt|<ext>
+   * /sitemap.xml|<ext>
+   * /favicon.ico
+   * /manifest.json|<ext>
+   * <route>/icon.png|jpg|<ext>
+   * <route>/apple-touch-icon.png|jpg|<ext>
+   *
+   */ /**
+   * Match the file if it's a metadata route file, static: if the file is a static metadata file.
+   * It needs to be a file which doesn't match the custom metadata routes e.g. `app/robots.txt/route.js`
+   */ function isMetadataFile(filePath) {
+        const appDirRelativePath = appDirPath ? filePath.replace(appDirPath, '') : filePath;
+        return (0, _ismetadataroute.isMetadataRouteFile)(appDirRelativePath, pageExtensions, true);
+    }
+    // Determine if the file is leaf node page file or route file under layouts,
+    // 'page.<extension>' | 'route.<extension>'
+    function isAppRouterPage(filePath) {
+        return leafOnlyPageFileRegex.test(filePath) || isMetadataFile(filePath);
+    }
+    // Determine if the file is leaf node route file under app directory
+    function isAppRouterRoute(filePath) {
+        return leafOnlyRouteFileRegex.test(filePath);
+    }
+    function isAppLayoutPage(filePath) {
+        return leafOnlyLayoutFileRegex.test(filePath);
+    }
+    function isAppDefaultPage(filePath) {
+        return leafOnlyDefaultFileRegex.test(filePath);
+    }
+    function isPageFile(filePath) {
+        return validExtensionFileRegex.test(filePath) || isMetadataFile(filePath);
+    }
+    function isRootNotFound(filePath) {
+        if (!appDirPath) {
+            return false;
+        }
+        if (!filePath.startsWith(appDirPath + _path.sep)) {
+            return false;
+        }
+        const rest = filePath.slice(appDirPath.length + 1);
+        return rootNotFoundFileRegex.test(rest);
+    }
+    return {
+        isPageFile,
+        isAppRouterPage,
+        isAppRouterRoute,
+        isAppLayoutPage,
+        isAppDefaultPage,
+        isMetadataFile,
+        isRootNotFound
+    };
+}
+
+//# sourceMappingURL=find-page-file.js.map