thefoldwithin-earth/tools/generate-index.mjs
Mark Randall Havens △ The Empathic Technologist ⟁ Doctor Who 42 aa45352f0d
Update generate-index.mjs
2025-11-08 11:23:21 -06:00

67 lines
No EOL
2.1 KiB
JavaScript
Executable file

#!/usr/bin/env node
import fs from "fs/promises";
import path from "path";
const ROOT = "public";
const OUT = path.join(ROOT, "index.json");
const STATIC_TOPLEVEL = new Set(["about","contact","legal"]);
const MAX_BYTES = 64 * 1024;
function dateFromName(name){
const m=name.match(/^(\d{4}-\d{2}-\d{2})/);
return m?new Date(m[1]).getTime():null;
}
async function readHead(abs){
const fh=await fs.open(abs,"r");
const buf=Buffer.alloc(MAX_BYTES);
const {bytesRead}=await fh.read(buf,0,MAX_BYTES,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[^>]*>([^<]+)<\/title>/i)?.[1].trim();
return null;
}
async function walk(relBase=""){
const abs=path.join(ROOT,relBase);
const entries=await fs.readdir(abs,{withFileTypes:true});
const dir={type:"dir",name:path.basename(relBase)||"",path:relBase,children:[]};
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(e.isDirectory()){
const top=rel.split("/")[0];
if(STATIC_TOPLEVEL.has(top)){continue;}
const child=await walk(rel);
dir.children.push(child);
continue;
}
const ext=path.extname(e.name);
if(![".md",".html"].includes(ext)) continue;
const st=await fs.stat(absPath);
const raw=await readHead(absPath);
const title=parseTitle(raw,ext)||e.name;
const date=dateFromName(e.name);
dir.children.push({
type:"file",
name:e.name,
title,
path:rel,
ext,
pinned:rel.startsWith("pinned/"),
mtime:date||st.mtimeMs
});
}
return dir;
}
(async()=>{
const tree=await walk();
const flat=[];
(function flatten(n){for(const c of n.children){if(c.type==="file")flat.push(c);else flatten(c);}})(tree);
const sections=[...new Set(flat.map(f=>f.path.split("/")[0]))];
await fs.writeFile(OUT,JSON.stringify({tree:tree.children,flat,sections},null,2));
console.log("index.json built:",OUT);
})();