#!/usr/bin/env node

import { mkdir, rename, rm, writeFile } from 'node:fs/promises';

import { dirname, resolve } from 'node:path';

import { generateDiscovery } from '../workers/discovery/src/generate.ts';

// Preview the same collection logic without writing to Workers KV.

const main = async () => {

if (process.argv.length > 2) {

throw new Error('This preview takes no arguments; edit workers/discovery/src/collections.ts.');

}

const snapshot = await generateDiscovery({

token: process.env.GITHUB_TOKEN || process.env.GH_TOKEN || '',

onProgress: console.error,

});

const output = resolve('out/discovery/github/latest.json');

const temporary = `${output}.${process.pid}.tmp`;

await mkdir(dirname(output), { recursive: true });

try {

await writeFile(temporary, `${JSON.stringify(snapshot)}\n`);

await rename(temporary, output);

} finally {

await rm(temporary, { force: true });

}

console.log(`Previewed ${snapshot.collections.length} collections at ${output}`);

};

main().catch((error: unknown) => {

console.error(error instanceof Error ? error.message : String(error));

process.exitCode = 1;

});