So, I forgot to commit the entire time I was working on this

.gitignore

@@ -0,0 +1,130 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

index.js

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+const Steam = require("steam-server-query")
+const express = require('express');
+const colors = require("colors");
+const app = express();
+const port = 3004;
+
+BigInt.prototype.toJSON = function () {
+	return this.toString()
+}
+
+var removeDuplicates = function (nums) {
+	let length = nums.length;
+	for (let i = length - 1; i >= 0; i--) {
+		for (let j = i - 1; j >= 0; j--) {
+			if (nums[i] == nums[j]) {
+				nums.splice(j, 1);
+			}
+		}
+	}
+	return nums;
+};
+servers = [];
+
+// Keyword split to version, dlcs, tps
+function splitKeyword(keyword) {
+	data = keyword.split("-")
+	switch (data[1]) {
+		case "0":
+			dlcString = "None"
+			break;
+		case "1":
+			dlcString = "Weapons"
+			break;
+		case "2":
+			dlcString = "Arid"
+			break;
+		case "3":
+			dlcString = "Both"
+			break;
+		default:
+			break;
+	}
+	return {
+		"version": data[0],
+		dlcString,
+		dlc: data[1],
+		"tps": data[2]
+	}
+};
+
+const latestVer = "v1.6.7"
+
+// Check version and set console log color if outdated
+function checkVersion(version) {
+	if (version == latestVer) {
+		return colors.green(version)
+	} else {
+		return colors.red(version)
+	}
+};
+
+// checkServer function
+function checkServer(address) {
+	Steam.queryGameServerInfo(address).then(data => {
+		data.keywords.split("-")
+		data.address = address.split(":");
+		data.serverInfo = splitKeyword(data.keywords);
+
+		output = {
+			"name": data.name,
+			"address": data.address[0],
+			"port": data.address[1],
+			"version": data.serverInfo.version,
+			"dlc": data.serverInfo.dlc,
+			"dlcString": data.serverInfo.dlcString,
+			"tps": data.serverInfo.tps,
+			"players": data.bots,
+			"maxPlayers": data.maxPlayers,
+			"map": data.map,
+			"gameId": data.gameId,
+			"lastUpdated": new Date()
+		}
+		serverList.servers[address] = output;
+		return output;
+	}).catch((err) => {
+		output = {
+			"error": "Could not connect to server",
+			"name": "Unknown",
+			"address": address.split(":")[0],
+			"port": address.split(":")[1],
+			"version": "Unknown",
+			"dlc": null,
+			"dlcString": "Unknown",
+			"tps": 0,
+			"players": 0,
+			"maxPlayers": 0,
+			"map": "Unknown",
+			"gameId": "573090"
+		}
+		serverList.errored[address] = output;
+		return output;
+	});
+}
+
+
+var masterList = {
+	lastUpdated: new Date(),
+	servers: []
+};
+
+var serverList = {
+	lastUpdated: new Date(),
+	servers: {},
+	errored: {}
+}
+
+// updateMasterList function
+function updateMasterList() {
+	// Get master list
+	console.log(`${colors.cyan(`[INFO ${new Date()}]`)} Getting master list...`);
+	Steam.queryMasterServer('hl2master.steampowered.com:27011', Steam.REGIONS.ALL, {
+		appid: 573090,
+		game: "Stormworks",
+	}, 1000, 400).then(servers => {
+		servers = removeDuplicates(servers);
+		console.log(`${colors.cyan(`[INFO ${new Date()}]`)} Got master list!`);
+		masterList.servers = servers;
+		masterList.lastUpdated = new Date();
+		updateServerList();
+	}).catch((err) => {
+		console.log(`${colors.red(`[ERROR ${new Date()}]`)} Error updating master list: ${err}`);
+	});
+}
+
+// updateServerList function
+function updateServerList() {
+	// Get every server in master list
+	console.log(`${colors.cyan(`[INFO ${new Date()}]`)} Getting server list...`);
+	for (let i = 0; i < masterList.servers.length; i++) {
+		// Get server info
+		checkServer(masterList.servers[i]);
+		serverList.lastUpdated = new Date();
+	}
+	console.log(`${colors.cyan(`[INFO ${new Date()}]`)} Got server list!`);
+};
+
+// Update master list every 5 minutes
+setInterval(updateMasterList, 30 * 1000);
+updateMasterList();
+
+app.get('/check', (req, res) => {
+	// Check that all required parameters are present
+	if (!req.query.address) {
+		res.send({
+			"error": "Missing required parameter: address"
+		});
+		return;
+	};
+	// Regex for IP address : port
+	const ipRegex = /(?:[0-9]{1,3}\.){3}[0-9]{1,3}:[0-9]{1,5}/;
+	// Check ip argument is valid
+	if (ipRegex.test(req.query.address)) {
+		console.log(`${colors.cyan(`[INFO ${new Date()}]`)} ${req.headers["user-agent"]}@${req.ip} requested check server ${req.query.address}`);
+		console.log(`${colors.cyan(`[INFO ${new Date()}]`)} Checking server ${req.query.address}`);
+		Steam.queryGameServerInfo(req.query.address).then(data => {
+			data.keywords.split("-")
+			data.address = req.query.address.split(":");
+			data.serverInfo = splitKeyword(data.keywords);
+
+			output = {
+				"name": data.name,
+				"address": data.address[0],
+				"port": data.address[1],
+				"version": data.serverInfo.version,
+				"dlc": data.serverInfo.dlc,
+				"dlcString": data.serverInfo.dlcString,
+				"tps": data.serverInfo.tps,
+				"players": data.bots,
+				"maxPlayers": data.maxPlayers,
+				"map": data.map,
+				"gameId": data.gameId,
+				"lastUpdated": new Date()
+			}
+			serverList.servers[req.query.address] = output;
+			res.setHeader("Content-Type", "application/json").send(JSON.stringify(output));
+		}).catch(err => {
+			console.log(err)
+			res.status(500).send(`Could not query server: ${err}`);
+		});
+	} else {
+		res.status(400).send("Invalid Server Address, must be in the format IP:PORT")
+	}
+});
+
+app.get('/masterList', (req, res) => {
+	res.setHeader("Content-Type", "application/json").send(JSON.stringify(masterList));
+});
+
+app.get('/serverList', (req, res) => {
+	res.setHeader("Content-Type", "application/json").send(JSON.stringify(serverList));
+});
+
+app.get('/', (req, res) => {
+	// Send list of all endpoints
+	res.setHeader("Content-Type", "application/json").send(JSON.stringify({
+		"endpoints": [
+			"/check?address=IP:PORT",
+			"/masterList",
+			"/serverList"
+		]
+	}));
+});
+
+
+app.listen(port, () => console.log(`Listening on port ${port}!`));

package.json

@@ -7,5 +7,10 @@
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "",
-  "license": "ISC"
+  "license": "ISC",
+  "dependencies": {
+    "colors": "^1.4.0",
+    "express": "^4.18.2",
+    "steam-server-query": "^1.1.3"
+  }
 }

servers.json

@@ -0,0 +1 @@
+[]

test.js

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+const Steam = require("steam-server-query")
+const colors = require("colors");
+const fs = require('fs');
+
+var removeDuplicates = function (nums) {
+	let length = nums.length;
+	for (let i = length - 1; i >= 0; i--) {
+		for (let j = i - 1; j >= 0; j--) {
+			if (nums[i] == nums[j]) {
+				nums.splice(j, 1);
+			}
+		}
+	}
+	return nums;
+};
+servers = [];
+
+// Keyword split to version, dlcs, tps
+function splitKeyword(keyword) {
+	data = keyword.split("-")
+	switch (data[1]) {
+		case "0":
+			dlcString = "None"
+			break;
+		case "1":
+			dlcString = "Weapons"
+			break;
+		case "2":
+			dlcString = "Arid"
+			break;
+		case "3":
+			dlcString = "Both"
+			break;
+		default:
+			break;
+	}
+	return {"version": data[0], dlcString, dlc: data[1] ,"tps": data[2]}
+};
+
+const latestVer ="v1.6.7"
+
+// Check version and set console log color if outdated
+function checkVersion(version) {
+	if (version == latestVer) {
+		return colors.green(version)
+	} else {
+		return colors.red(version)
+	}
+};
+
+// Color Server TPS
+function colorTPS(tps) {
+	if (tps < 45) {
+		return colors.red(tps)
+	} else if (tps > 40 && tps < 60) {
+		return colors.yellow(tps)
+	} else if (tps > 65) {
+		return colors.magenta(tps)
+	} else {
+		return colors.green(tps)
+	}
+};
+
+Steam.queryMasterServer('hl2master.steampowered.com:27011', Steam.REGIONS.ALL, {
+	appid: 573090,
+	game: "Stormworks",
+}, 1000, 400).then(servers => {
+	servers = removeDuplicates(servers);
+	for (let i = 0; i < servers.length; i++) {
+		Steam.queryGameServerInfo(servers[i]).then(data => {
+			if(!data.name.includes("SetSail")) return;
+			// console.log(data); //Debug
+
+			data.keywords.split("-")
+			console.log(`${data.name} @ ${servers[i]} - DLC: ${splitKeyword(data.keywords).dlcString} - TPS: ${colorTPS(splitKeyword(data.keywords).tps)} - Version: ${checkVersion(splitKeyword(data.keywords).version)}`)
+			servers.push(data);
+		}).catch(err => {
+			console.log(`Couldn't connect to ${servers[i]}`);
+		});
+	}
+	//sortServers();
+}).catch((err) => {});
+
+function sortServers() {
+	servers.forEach(server => {
+		Steam.queryGameServerInfo
+	});
+}
+