Merge pull request #16 from bridge-core/Thomas/UpdateNotifications

feat: Add Update notifications

importMap.json

@@ -2,6 +2,7 @@
 	"imports": {
 		"dash-compiler": "https://raw.githubusercontent.com/bridge-core/dash-compiler/main/dist/dash-compiler.bundled.es.js",
 		"dash-compiler-local": "../dash-compiler/dist/dash-compiler.bundled.es.js",
-		"mc-project-core": "npm:mc-project-core"
+		"mc-project-core": "npm:mc-project-core",
+		"semver": "jsr:@std/semver@^1.0.3"
 	}
 }

mod.ts

@@ -1,6 +1,7 @@
 // deno-lint-ignore-file no-explicit-any
 import { CLI } from './src/CLI.ts'
 import yargs from 'https://deno.land/x/[email protected]/deno.ts'
+import { parse as semverParse, compare as semverCompare } from "jsr:@std/semver";
 import { comMojangFolder } from './src/comMojangFolder.ts'
 import { initRuntimes, swcVersion } from './src/deps.ts'
 
@@ -13,10 +14,42 @@ window.process = {
 }
 
 type YargsInstance = ReturnType<typeof yargs>
+const CURRENT_VERSION = `0.4.7`
+
+async function fetchLatestVersion(): Promise<string | null> {
+    try {
+        const response = await fetch('https://api.github.com/repos/bridge-core/deno-dash-compiler/releases/latest');
+        if (!response.ok) {
+            return null;
+        }
+        const data = await response.json();
+        return data.tag_name;
+    } catch (error) {
+        console.error('Error fetching the latest version:', error);
+        return null;
+    }
+}
+
+function compareVersions(current: string, latest: string): boolean {
+	const currentVersion = semverParse(current);
+	const latestVersion = semverParse(latest);
+	if (!currentVersion || !latestVersion) {
+		throw new Error('Invalid version format');
+	}
+	return semverCompare(currentVersion, latestVersion) < 0;
+}
+
+async function checkForUpdates() {
+    const latestVersion = await fetchLatestVersion();
+    if (latestVersion && compareVersions(CURRENT_VERSION, latestVersion)) {
+        console.log(`%cA new version (${latestVersion}) is available. You are currently using version v${CURRENT_VERSION}.`, 'color: red; font-weight:bold;');
+    }
+}
 
 initRuntimes(`https://esm.sh/@swc/wasm-web@${swcVersion}/wasm-web_bg.wasm`)
 
 if (import.meta.main) {
+	await checkForUpdates();
 	const cli = new CLI()
 
 	yargs(Deno.args)