diff --git a/some-js-file.js b/some-js-file.js
new file mode 100644
index 0000000..e6c4305
--- /dev/null
+++ b/some-js-file.js
@@ -0,0 +1 @@
+export const someVariable = 1;
diff --git a/some-ts-file.ts b/some-ts-file.ts
new file mode 100644
index 0000000..82e200a
--- /dev/null
+++ b/some-ts-file.ts
@@ -0,0 +1,3 @@
+import { someVariable } from "./some-js-file";
+
+console.log(someVariable);
diff --git a/tsconfig.json b/tsconfig.json
index cccdf47..d19adeb 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,10 @@
 {
   "compilerOptions": {
-    "noEmit": true
-  }
-}
\ No newline at end of file
+    "allowJs": true,
+    "strict": true,
+    "noEmit": true,
+  },
+  "include": [
+    "**/*.ts",
+  ],
+}