Updated typings (#85)

* Added files property to options typings.

* The constructor can take an array of options.

* Added changes to the changelog.

Author: reduckted

CHANGELOG.md

@@ -5,7 +5,9 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 Latest version of this document will always be available on https://github.com/SimenB/add-asset-html-webpack-plugin/releases
 
 ## [Unreleased]
-Nothing
+- Fix TypeScript definition file
+  - Allows an array of options in the plugin constructor
+  - Added `files` property to options
 
 ## [2.1.1] - 2017-08-16
 ### Fixes

index.d.ts

@@ -6,6 +6,13 @@ declare namespace AddAssetHtmlPlugin {
     */
     filepath: string;
 
+    /**
+    * Files that the assets will be added to.
+    * By default the assets will be included in all files. If files are defined, the
+    * assets will only be included in specified file globs.
+    */
+    files?: string | string[];
+
     /**
     * If true, will append a unique hash of the file to the filename. This is useful for cache busting.
     * Default false.
@@ -37,7 +44,7 @@ declare namespace AddAssetHtmlPlugin {
 }
 
 declare class AddAssetHtmlPlugin {
-  constructor(options: AddAssetHtmlPlugin.Options);
+  constructor(options: AddAssetHtmlPlugin.Options | AddAssetHtmlPlugin.Options[]);
   apply(compiler: any): void;
 }