#!/usr/bin/env node
/**
* Enhanced Index Generator for The Fold Within
* FIXED: Uses frontmatter date as primary source
*/
import { promises as fs } from "fs";
import path from "path";
import pdf from "pdf-parse";
const ROOT = "public";
const BASE_URL = "https://thefoldwithin.earth";
const OUT_JSON = path.join(ROOT, "index.json");
const OUT_SITEMAP = path.join(ROOT, "sitemap.xml");
const OUT_ROBOTS = path.join(ROOT, "robots.txt");
const OUT_FEED = path.join(ROOT, "feed.xml");
const OUT_SCHEMA = path.join(ROOT, "schema.jsonld");
const EXCERPT_LENGTH = 400;
function extractFrontmatterDate(content) {
const fmMatch = content.match(/^---\n([\s\S]*?)
---/);
if (fmMatch) {
const fm = fmMatch[1];
const dateMatch = fm.match(/^date:\s*(\d{4}-\d{2}-\d{2})/m);
if (dateMatch) return new Date(dateMatch[1]).getTime();
}
return null;
}
function dateFromName(name) {
const m = name.match(/^(\d{4}-\d{2}-\d{2})/);
return m ? new Date(m[0]).getTime() : null;
}
async function readHead(abs, full = false) {
const fh = await fs.open(abs, "r");
const size = full ? await fs.stat(abs).then(s => Math.min(s.size, EXCERPT_LENGTH * 2)) : 64 * 1024;
const buf = Buffer.alloc(size);
const { bytesRead } = await fh.read(buf, 0, size, 0);
await fh.close();
return buf.slice(0, bytesRead).toString("utf8");
}
function parseTitle(raw, ext) {
if (ext === ".md") return raw.match(/^\s*#\s+(.+?)\s*$/m)?.[1].trim();
if (ext === ".html") return raw.match(/
]*>([^<]+)<\/title>/i)?.[1].trim();
return null;
}
function extractExcerpt(raw, ext) {
if (ext === ".md") raw = raw.replace(/^#.*\n/, '').trim();
if (ext === ".html") raw = raw.replace(/[\s\S]*<\/head>/i, '').replace(/<[^>]+>/g, ' ').trim();
return raw.replace(/\s+/g, ' ').slice(0, EXCERPT_LENGTH);
}
function extractTags(raw, ext, pdfData) {
let tags = [];
if (ext === ".md") {
const m = raw.match(/^\s*tags:\s*(.+)$/im);
if (m) tags = m[1].split(',').map(t => t.trim().toLowerCase());
}
return tags;
}
function generateSitemap(flat) {
let xml = `\n`;
const staticPages = ["", "/about", "/about/solaria", "/about/mark", "/about/initiatives", "/fieldnotes"];
for (const page of staticPages) {
xml += ` \n ${BASE_URL}${page}/\n weekly\n ${page === "" ? "1.0" : "0.8"}\n \n`;
}
for (const f of flat.filter(x => !x.isIndex)) {
const urlPath = f.path.replace(/\.(md|html|pdf)$/, "/").replace("//", "/");
const date = f.originalDate ? new Date(f.originalDate).toISOString().split('T')[0] : new Date(f.mtime).toISOString().split('T')[0];
xml += ` \n ${BASE_URL}/${urlPath}\n ${date}\n monthly\n \n`;
}
return xml + "";
}
function generateRobots() {
return `# robots.txt for The Fold Within Earth\nSitemap: ${BASE_URL}/sitemap.xml\n`;
}
function generateFeed(flat) {
const items = flat.filter(f => !f.isIndex && f.originalDate).sort((a, b) => b.originalDate - a.originalDate).slice(0, 20);
let xml = `\n\n\nThe Fold Within Earth\n${BASE_URL}`;
for (const f of items) {
const urlPath = f.path.replace(/\.(md|html|pdf)$/, "/").replace("//", "/");
xml += ` - \n ${f.title || f.name}\n ${BASE_URL}/${urlPath}\n ${new Date(f.originalDate).toUTCString()}\n
\n`;
}
return xml + "\n";
}
async function collectFiles(relBase = "", flat = []) {
const abs = path.join(ROOT, relBase);
const entries = await fs.readdir(abs, { withFileTypes: true });
for (const e of entries) {
if (e.name.startsWith(".")) continue;
const rel = path.posix.join(relBase, e.name);
const absPath = path.join(ROOT, rel);
if (rel.toLowerCase() === "index.html" || rel.toLowerCase() === "index.md") continue;
if (e.isDirectory()) { await collectFiles(rel, flat); continue; }
const ext = path.posix.extname(e.name).toLowerCase();
if (![".md", ".html", ".pdf"].includes(ext)) continue;
const st = await fs.stat(absPath);
let raw = ext === ".pdf" ? (await pdf(await fs.readFile(absPath))).text : await readHead(absPath, true);
const title = parseTitle(raw, ext) || e.name.replace(new RegExp(`\\${ext}$`), "").trim();
const originalDate = ext === ".md" ? extractFrontmatterDate(raw) : null;
const ctime = st.birthtimeMs || st.mtimeMs || dateFromName(e.name) || st.mtimeMs;
const mtime = dateFromName(e.name) ?? st.mtimeMs;
flat.push({ type: "file", name: e.name, title, path: rel, ext, ctime, mtime, originalDate, excerpt: extractExcerpt(raw, ext), tags: extractTags(raw, ext), isIndex: e.name.toLowerCase().startsWith("index.") });
}
return flat;
}
(async () => {
try {
console.log("Crawling...");
const flat = await collectFiles();
const sections = [...new Set(flat.filter(f => !f.isIndex).map(f => f.path.split("/")[0]))].sort();
const allTags = [...new Set(flat.flatMap(f => f.tags))].sort();
await fs.writeFile(OUT_JSON, JSON.stringify({ flat, sections, tags: allTags, generated: new Date().toISOString() }, null, 2));
await fs.writeFile(OUT_SITEMAP, generateSitemap(flat));
await fs.writeFile(OUT_ROBOTS, generateRobots());
await fs.writeFile(OUT_FEED, generateFeed(flat));
console.log(`Done! ${flat.length} files indexed with original dates from frontmatter.`);
} catch (e) { console.error("Failed:", e); process.exit(1); }
})();