0520发布文章
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import fs from "fs";
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import path from "path";
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import matter from "gray-matter";
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import { CONTENT_DIR, ITEMS_PER_PAGE } from "./config";
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export interface PostFrontMatter {
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pid?: number;
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title: string;
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date: string;
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slug: string;
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draft: boolean;
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categories?: string[];
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tags?: string[];
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author?: string;
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layout?: string;
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ai_comment?: string;
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[key: string]: unknown;
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}
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export interface Post {
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slug: string;
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frontMatter: PostFrontMatter;
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content: string;
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filePath: string;
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dirPath: string;
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}
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export interface PostListItem {
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slug: string;
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title: string;
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date: string;
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draft: boolean;
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categories: string[];
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tags: string[];
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author: string;
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}
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function parseDate(dateStr: string): Date {
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const d = new Date(dateStr);
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return isNaN(d.getTime()) ? new Date(0) : d;
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}
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function findPostDirectories(): string[] {
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const result: string[] = [];
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if (!fs.existsSync(CONTENT_DIR)) return result;
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const years = fs.readdirSync(CONTENT_DIR).filter((f) => {
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const full = path.join(CONTENT_DIR, f);
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return fs.statSync(full).isDirectory() && /^\d{4}$/.test(f);
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});
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for (const year of years) {
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const yearDir = path.join(CONTENT_DIR, year);
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const posts = fs.readdirSync(yearDir).filter((f) => {
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return fs.statSync(path.join(yearDir, f)).isDirectory();
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});
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for (const post of posts) {
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result.push(path.join(yearDir, post));
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}
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}
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return result;
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}
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function slugFromDirName(dirName: string): string {
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// e.g. "2026-01-21-how-to-implement-friend-circle-in-hugo" -> "how-to-implement-friend-circle-in-hugo"
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const match = dirName.match(/^\d{4}-\d{2}-\d{2}-(.+)$/);
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return match ? match[1] : dirName;
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}
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function yearFromDirName(dirName: string): string {
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const match = dirName.match(/^(\d{4})/);
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return match ? match[1] : "";
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}
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export function listPosts(options?: {
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search?: string;
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page?: number;
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perPage?: number;
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includeDrafts?: boolean;
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}): { posts: PostListItem[]; total: number; totalPages: number } {
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const { search = "", page = 1, perPage = ITEMS_PER_PAGE, includeDrafts = true } = options || {};
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const dirs = findPostDirectories();
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const allPosts: PostListItem[] = [];
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for (const dirPath of dirs) {
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const indexPath = path.join(dirPath, "index.md");
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if (!fs.existsSync(indexPath)) continue;
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const raw = fs.readFileSync(indexPath, "utf-8");
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const { data } = matter(raw);
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const dirName = path.basename(dirPath);
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const post: PostListItem = {
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slug: String(data.slug || slugFromDirName(dirName)),
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title: data.title || "Untitled",
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date: data.date ? new Date(data.date).toISOString() : "",
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draft: data.draft === true,
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categories: Array.isArray(data.categories) ? data.categories : [],
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tags: Array.isArray(data.tags) ? data.tags : [],
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author: data.author || "",
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};
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if (!includeDrafts && post.draft) continue;
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if (search) {
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const q = search.toLowerCase();
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const match =
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post.title.toLowerCase().includes(q) ||
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post.slug.toLowerCase().includes(q) ||
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post.categories.some((c) => c.toLowerCase().includes(q)) ||
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post.tags.some((t) => t.toLowerCase().includes(q));
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if (!match) continue;
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}
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allPosts.push(post);
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}
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// Sort by date descending
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allPosts.sort((a, b) => parseDate(b.date).getTime() - parseDate(a.date).getTime());
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const total = allPosts.length;
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const totalPages = Math.ceil(total / perPage);
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const start = (page - 1) * perPage;
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const posts = allPosts.slice(start, start + perPage);
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return { posts, total, totalPages };
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}
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export function getPost(slug: string): Post | null {
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const dirs = findPostDirectories();
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for (const dirPath of dirs) {
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const indexPath = path.join(dirPath, "index.md");
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if (!fs.existsSync(indexPath)) continue;
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const raw = fs.readFileSync(indexPath, "utf-8");
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const { data, content } = matter(raw);
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const existingSlug = String(data.slug || slugFromDirName(path.basename(dirPath)));
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if (existingSlug === slug) {
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return {
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slug: existingSlug,
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frontMatter: data as PostFrontMatter,
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content,
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filePath: indexPath,
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dirPath,
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};
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}
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}
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return null;
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}
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export function createPost(frontMatter: PostFrontMatter, content: string): string {
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const date = new Date(frontMatter.date || new Date());
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const year = date.getFullYear().toString();
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const dateStr = date.toISOString().slice(0, 10);
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// Folder name: date + sanitized title (Chinese-friendly)
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const titlePart = (frontMatter.title || "untitled")
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.replace(/[^\w一-鿿㐀-䶿]+/g, "-")
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.replace(/^-+|-+$/g, "")
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.toLowerCase() || "post";
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const dirName = `${dateStr}-${titlePart}`;
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const dirPath = path.join(CONTENT_DIR, year, dirName);
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if (fs.existsSync(dirPath)) {
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throw new Error(`Post already exists at ${dirPath}`);
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}
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fs.mkdirSync(dirPath, { recursive: true });
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const fm: Record<string, unknown> = {
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title: frontMatter.title,
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date: frontMatter.date,
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slug: frontMatter.slug,
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draft: frontMatter.draft ?? false,
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categories: frontMatter.categories || [],
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tags: frontMatter.tags || [],
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author: frontMatter.author || "",
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layout: frontMatter.layout || "post",
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};
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if (frontMatter.ai_comment) {
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fm.ai_comment = frontMatter.ai_comment;
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}
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const fileContent = matter.stringify(content, fm);
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const indexPath = path.join(dirPath, "index.md");
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fs.writeFileSync(indexPath, fileContent, "utf-8");
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return dirPath;
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}
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export function updatePost(
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slug: string,
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frontMatter: Partial<PostFrontMatter>,
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content?: string
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): { success: true; dirPath: string } | { success: false } {
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const post = getPost(slug);
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if (!post) return { success: false };
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const merged = { ...post.frontMatter, ...frontMatter };
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// If slug changed, we need to rename the directory
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if (frontMatter.slug && frontMatter.slug !== post.frontMatter.slug) {
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const newDate = new Date(merged.date || post.frontMatter.date);
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const newYear = newDate.getFullYear().toString();
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const newDateStr = newDate.toISOString().slice(0, 10);
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const newDirName = `${newDateStr}-${frontMatter.slug}`;
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const newDirPath = path.join(CONTENT_DIR, newYear, newDirName);
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if (fs.existsSync(newDirPath) && newDirPath !== post.dirPath) {
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throw new Error(`Target path already exists: ${newDirPath}`);
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}
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fs.mkdirSync(path.dirname(newDirPath), { recursive: true });
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fs.renameSync(post.dirPath, newDirPath);
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const fm: Record<string, unknown> = {
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title: merged.title,
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date: merged.date,
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slug: frontMatter.slug,
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draft: merged.draft ?? false,
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categories: merged.categories || [],
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tags: merged.tags || [],
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author: merged.author || "",
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layout: merged.layout || "post",
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};
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if (merged.ai_comment) fm.ai_comment = merged.ai_comment;
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const fileContent = matter.stringify(content ?? post.content, fm);
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fs.writeFileSync(path.join(newDirPath, "index.md"), fileContent, "utf-8");
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return { success: true, dirPath: newDirPath };
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}
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// Update in place
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const fm: Record<string, unknown> = {
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title: merged.title,
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date: merged.date,
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slug: merged.slug,
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draft: merged.draft ?? false,
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categories: merged.categories || [],
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tags: merged.tags || [],
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author: merged.author || "",
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layout: merged.layout || "post",
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};
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if (merged.ai_comment) fm.ai_comment = merged.ai_comment;
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const fileContent = matter.stringify(content ?? post.content, fm);
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fs.writeFileSync(post.filePath, fileContent, "utf-8");
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return { success: true, dirPath: post.dirPath };
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}
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export function getPostCount(): number {
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return findPostDirectories().filter((dir) =>
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fs.existsSync(path.join(dir, "index.md"))
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).length;
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}
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