Setup example worker

biome.json

@@ -17,7 +17,8 @@
 			"suspicious": {
 				"noTsIgnore": "off",
 				"noAssignInExpressions": "off",
-				"noFallthroughSwitchClause": "warn"
+				"noFallthroughSwitchClause": "warn",
+				"noGlobalAssign": "warn"
 			},
 			"correctness": {
 				"useParseIntRadix": "off",

main.ts

@@ -85,3 +85,12 @@ function animate(timestamp: number): void {
 
 	animate(delta);
 })();
+
+const worker = new Worker(new URL("./worker.ts", import.meta.url), {
+	type: "module",
+});
+
+worker.onmessage = (event) => {
+	console.log(event.data);
+};
+worker.postMessage("foo");

vite.config.ts

@@ -18,7 +18,13 @@ function devTools(): Plugin {
 
 export default defineConfig({
 	server: { host, port, hmr: false },
-	build: { target: "esnext" },
+	build: {
+		target: "esnext",
+		main: `${root}index.html`,
+		lib: {
+			entry: `${root}worker.ts`,
+		},
+	},
 	test: {
 		include: ["./engine/**/*.test.ts"],
 		environment: "jsdom",

worker.ts

@@ -0,0 +1,6 @@
+// biome-ignore lint: web worker
+onmessage = (event) => {
+	if (event.data === "foo") {
+		postMessage("bar");
+	}
+};