Fall back to history api for 404 errors (#463)

* Fall back to history api for 404 errors
* Update failing test

Author: KaneFreeman

src/main.ts

@@ -265,6 +265,13 @@ async function serve(configs: webpack.Configuration[], args: any, esbuild = fals
 		})
 	);
 
+	app.use(
+		base,
+		history({
+			disableDotRule: true
+		})
+	);
+
 	serveStatic(app, outputDir, args.mode, args.compression, base);
 
 	const defaultKey = path.resolve('.cert', 'server.key');

tests/unit/main.ts

@@ -551,7 +551,7 @@ describe('command', () => {
 			);
 			setTimeout(
 				dfd.callback(() => {
-					assert.strictEqual(useStub.callCount, 7);
+					assert.strictEqual(useStub.callCount, 8);
 					assert.isTrue(
 						hotMiddleware.calledWith(compiler, {
 							heartbeat: 10000