Renaming folder name as it is same as module name i am unable to import in test

types/happy-pack/happypack-tests.ts

@@ -0,0 +1,5 @@
+import * as happyPack from 'happy-pack';
+
+const ref: happyPack = new happyPack({
+	loaders: ['ts-loader']
+});

types/happy-pack/index.d.ts

@@ -6,9 +6,9 @@
 
 import { Plugin } from 'webpack';
 
-export = HappyPack;
+export = happypack;
 
-declare namespace HappyPack {
+declare namespace happypack {
     interface PluginOptions {
         id?: string;
         threads?: number;
@@ -16,6 +16,7 @@ declare namespace HappyPack {
     }
 }
 
-declare class HappyPack extends Plugin {
-    constructor(options: HappyPack.PluginOptions);
+declare class happypack extends Plugin {
+    constructor(options: happypack.PluginOptions);
 }
+

types/happy-pack/tsconfig.json

@@ -2,12 +2,11 @@
     "compilerOptions": {
         "module": "commonjs",
         "lib": [
-            "es6",
-            "dom"
+            "es6"
         ],
         "noImplicitAny": true,
         "noImplicitThis": true,
-        "strictNullChecks": false,
+        "strictNullChecks": true,
         "strictFunctionTypes": true,
         "baseUrl": "../",
         "typeRoots": [
@@ -18,6 +17,7 @@
         "forceConsistentCasingInFileNames": true
     },
     "files": [
-        "index.d.ts"
+        "index.d.ts",
+        "happypack-tests.ts"
     ]
 }