refactor: use modern NodeJS code

README.md

@@ -18,7 +18,7 @@ MKBSD comes in two variants! Node.js and Python.
 ### Running in Node.js
 
 1. Ensure you have Node.js installed.
-2. Run `node mkbsd.js`
+2. Run `node mkbsd.mjs` or `./mkbsd.mjs` if you're on a Unix-like system.
 3. Wait a little.
 4. All wallpapers are now in a newly created `downloads` subfolder.
 

mkbsd.mjs

@@ -0,0 +1,72 @@
+#!/usr/bin/env node
+
+// Copyright 2024 Nadim Kobeissi
+// Licensed under the WTFPL License
+
+import { stat, mkdir, writeFile } from 'node:fs/promises';
+import { extname } from 'node:path';
+import { setTimeout } from 'node:timers/promises'
+
+console.info(`
+/$$      /$$ /$$   /$$ /$$$$$$$   /$$$$$$  /$$$$$$$
+| $$$    /$$$| $$  /$$/| $$__  $$ /$$__  $$| $$__  $$
+| $$$$  /$$$$| $$ /$$/ | $$  \\ $$| $$  \\__/| $$  \\ $$
+| $$ $$/$$ $$| $$$$$/  | $$$$$$$ |  $$$$$$ | $$  | $$
+| $$  $$$| $$| $$  $$  | $$__  $$ \\____  $$| $$  | $$
+| $$\\  $ | $$| $$\\  $$ | $$  \\ $$ /$$  \\ $$| $$  | $$
+| $$ \\/  | $$| $$ \\  $$| $$$$$$$/|  $$$$$$/| $$$$$$$/
+|__/     |__/|__/  \\__/|_______/  \\______/ |_______/`);
+console.info(``);
+console.info(
+  `🤑 Starting downloads from your favorite sellout grifter's wallpaper app...`
+);
+
+const url = 'https://storage.googleapis.com/panels-api/data/20240916/media-1a-i-p~s';
+const downloadsDir = new URL('downloads/', import.meta.url);
+
+try {
+	const response = await fetch(url);
+	if (!response.ok) {
+		throw new Error(`⛔ Failed to fetch JSON file: ${response.statusText}`);
+	}
+	const jsonData = await response.json();
+	const data = jsonData.data;
+	if (!data) {
+		throw new Error('⛔ JSON does not have a "data" property at its root.');
+	}
+
+	try {
+		await stat(downloadsDir);
+	} catch {
+		await mkdir(downloadsDir);
+		console.info(`📁 Created directory: ${downloadsDir.pathname}`);
+	}
+
+	let fileIndex = 1;
+	for (const subproperty of Object.values(data)) {
+		if (subproperty?.dhd) {
+			const imageUrl = subproperty.dhd;
+			console.info(`🔍 Found image URL!`);
+			await setTimeout(100);
+			const ext = extname(new URL(imageUrl).pathname) || '.jpg';
+			const filename = `${fileIndex}${ext}`;
+			const filePath = new URL(filename, downloadsDir);
+			await downloadImage(imageUrl, filePath);
+			console.info(`🖼️ Saved image to ${filePath.pathname}`);
+			fileIndex++;
+			await setTimeout(250);
+		}
+	}
+} catch (error) {
+	console.error(`Error: ${error.message}`);
+}
+
+async function downloadImage(url, filePath) {
+	const response = await fetch(url);
+	if (!response.ok) {
+		throw new Error(`Failed to download image: ${response.statusText}`);
+	}
+	const arrayBuffer = await response.arrayBuffer();
+	const buffer = Buffer.from(arrayBuffer);
+	await writeFile(filePath, buffer);
+}