From 3f7e17614965246768484ea2876bdc23ba5b7a12 Mon Sep 17 00:00:00 2001
From: reduckted <reduckted@outlook.com>
Date: Wed, 29 Nov 2017 19:10:47 +1000
Subject: [PATCH] Added the missing getFilenameFromUrl method and fileSystem
 property to webpack-dev-middleware.

---
 types/webpack-dev-middleware/index.d.ts       |  6 ++++-
 .../webpack-dev-middleware-tests.ts           | 22 +++++++++++++++----
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/types/webpack-dev-middleware/index.d.ts b/types/webpack-dev-middleware/index.d.ts
index 77174b938b..e88cec98ef 100644
--- a/types/webpack-dev-middleware/index.d.ts
+++ b/types/webpack-dev-middleware/index.d.ts
@@ -1,11 +1,13 @@
-// Type definitions for webpack-dev-middleware 1.9
+// Type definitions for webpack-dev-middleware 1.12
 // Project: https://github.com/webpack/webpack-dev-middleware
 // Definitions by: Benjamin Lim <https://github.com/bumbleblym>
+//                 reduckted <https://github.com/reduckted>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2
 
 import { NextHandleFunction } from 'connect';
 import * as webpack from 'webpack';
+import MemoryFileSystem = require('memory-fs');
 
 export = WebpackDevMiddleware;
 
@@ -49,5 +51,7 @@ declare namespace WebpackDevMiddleware {
 		close(callback?: () => void): void;
 		invalidate(callback?: (stats: webpack.Stats) => void): void;
 		waitUntilValid(callback?: (stats: webpack.Stats) => void): void;
+		getFilenameFromUrl: (url: string) => string | false;
+		fileSystem: MemoryFileSystem;
 	}
 }
diff --git a/types/webpack-dev-middleware/webpack-dev-middleware-tests.ts b/types/webpack-dev-middleware/webpack-dev-middleware-tests.ts
index a4b1d57822..8df4675595 100644
--- a/types/webpack-dev-middleware/webpack-dev-middleware-tests.ts
+++ b/types/webpack-dev-middleware/webpack-dev-middleware-tests.ts
@@ -29,8 +29,22 @@ webpackDevMiddlewareInstance = webpackDevMiddleware(compiler, {
 const app = express();
 app.use([webpackDevMiddlewareInstance]);
 
-webpackDevMiddlewareInstance.close();
-webpackDevMiddlewareInstance.invalidate();
-webpackDevMiddlewareInstance.waitUntilValid(() => {
-	console.log('Package is in a valid state');
+webpackDevMiddlewareInstance.close(() => {
+	console.log('closed');
 });
+
+webpackDevMiddlewareInstance.invalidate((stats) => {
+	console.log(stats.toJson());
+});
+
+webpackDevMiddlewareInstance.waitUntilValid((stats) => {
+	console.log('Package is in a valid state:' + stats.toJson());
+});
+
+const fs = webpackDevMiddlewareInstance.fileSystem;
+fs.mkdirpSync('foo');
+
+let filename = webpackDevMiddlewareInstance.getFilenameFromUrl('url');
+if (filename !== false) {
+	filename = filename.substr(0);
+}