get-stats.mjs

import * as fs from 'node:fs/promises';

const slugify = (name) => {
	const slug = name.replaceAll(' ', '+');
	return slug;
};

const getWorlds = async () => {
	console.log('Getting list of Tibia worlds…');
	const response = await fetch('https://api.tibiadata.com/v4/worlds');
	const data = await response.json();
	const regularWorlds = data.worlds.regular_worlds;
	const worldNames = regularWorlds.map((world) => world.name);
	return worldNames;
};

const getKillStatsForWorld = async (worldName) => {
	try {
		const response = await fetch(`https://api.tibiadata.com/v4/killstatistics/${slugify(worldName)}`);
		const data = await response.json();
		console.log(`Processing kill stats for world ${worldName}…`);
		return data;
	} catch (error) {
		return getKillStatsForWorld(worldName);
	}
};

const doesFileExist = async (path) => {
	try {
		await fs.stat(path);
		return true;
	} catch {
		return false;
	}
};

const date = new Date().toISOString().slice(0, 'yyyy-mm-dd'.length);
if (await doesFileExist(`./data/antica/${date}.json`)) {
	console.log(`Stats for ${date} are already checked in. Nothing to do.`);
	process.exit();
}

const worldNames = await getWorlds();
// Kick off all requests in parallel.
const killStatsPerWorld = worldNames.map((worldName) => getKillStatsForWorld(worldName));

for await (const stats of killStatsPerWorld) {
	const world = stats.killstatistics.world;

	const worldPath = `./data/${world.toLowerCase()}`;
	await fs.mkdir(worldPath, {
		recursive: true,
	});

	const json = JSON.stringify(stats, null, '\t') + '\n';
	await fs.writeFile(`${worldPath}/${date}.json`, json);
}