fix types & add bun adapater (WIP)

src/lib.ts

@@ -7,6 +7,9 @@ export const platform = (() => {
 	if (typeof Deno != "undefined") {
 		return "Deno";
 	}
+	if (typeof Bun != "undefined") {
+		return "Bun";
+	}
 	if (typeof tjs != "undefined") {
 		return "txiki.js";
 	}
@@ -17,7 +20,7 @@ export const platform = (() => {
 })();
 export const version = (() => {
 	switch (platform) {
-		case "Node.js":
+		case "Node.js" || "Bun":
 			return process.version;
 		case "Deno":
 			return Deno.version.deno;

src/platform/bun.ts

@@ -0,0 +1,20 @@
+import { SWPlatformAdapter } from "./serviceworker";
+import { platformAdapater } from "./index";
+
+export class BunPlatformAdapter<T = any, K = any>
+	extends SWPlatformAdapter<T, K>
+	implements platformAdapater<T, K>
+{
+	async listen(port: number): Promise<void> {
+		Bun.serve({
+			fetch: async (request: Request): Promise<Response> => {
+				return await this.handleResponse(
+					await this.handleRequest(request).then((request) =>
+						this.router.respond(request)
+					)
+				);
+			},
+			port,
+		});
+	}
+}