the-forest/server/routes/api.js

const { graphFromList } = require('../graphStuff.js');

const sqlite = require('better-sqlite3');
const db = new sqlite('the_big_db.db', { verbose: console.log });

const express = require('express');
const app = express.Router();

const page_routes = require('./pages.js');
app.use(page_routes);

const user_routes = require('./users.js');
app.use(user_routes);

app.get('/graph', (req, res) => {
	try {
		const rows = db.prepare('select number, html from pages').all();
		const graph = graphFromList(rows);
		res.status(200).json(graph);
	} catch (error) {
		res.status(500).json({"error": error});
	}
});

module.exports = app;