Meta tweaks

index.d.ts

@@ -1,3 +1,6 @@
+/// <reference lib="dom"/>
+/// <reference types="electron"/>
+/// <reference types="node"/>
 import {BrowserWindow} from 'electron';
 
 declare namespace electronServe {

index.test-d.ts

@@ -1,4 +1,4 @@
-import {expectType} from 'tsd-check';
+import {expectType} from 'tsd';
 import {BrowserWindow} from 'electron';
 import serve = require('.');
 

readme.md

@@ -11,6 +11,8 @@ Normally you would just use `win.loadURL('file://…')`, but that doesn't work w
 $ npm install electron-serve
 ```
 
+*Requires Electron 3 or later.*
+
 
 ## Usage
 
@@ -20,6 +22,8 @@ const serve = require('electron-serve');
 
 const loadURL = serve({directory: 'renderer'});
 
+let mainWindow;
+
 (async () => {
 	await app.whenReady();
 
@@ -72,8 +76,3 @@ The [partition](https://electronjs.org/docs/api/session#sessionfrompartitionpart
 - [electron-context-menu](https://github.com/sindresorhus/electron-context-menu) - Context menu for your Electron app
 - [electron-dl](https://github.com/sindresorhus/electron-dl) - Simplified file downloads for your Electron app
 - [electron-unhandled](https://github.com/sindresorhus/electron-unhandled) - Catch unhandled errors and promise rejections in your Electron app
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)