diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index a1b3cee..d0b4427 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -3611,18 +3611,18 @@ checksum = "8eaa81235c7058867fa8c0e7314f33dcce9c215f535d1913822a2b3f5e289f3c"
 
 [[package]]
 name = "thiserror"
-version = "1.0.61"
+version = "1.0.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c546c80d6be4bc6a00c0f01730c08df82eaa7a7a61f11d656526506112cc1709"
+checksum = "f2675633b1499176c2dff06b0856a27976a8f9d436737b4cf4f312d4d91d8bbb"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.61"
+version = "1.0.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46c3384250002a6d5af4d114f2845d37b57521033f30d5c3f46c4d70e1197533"
+checksum = "d20468752b09f49e909e55a5d338caa8bedf615594e9d80bc4c565d30faf798c"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/src/types/index.ts b/src/types/index.ts
new file mode 100644
index 0000000..cfa334d
--- /dev/null
+++ b/src/types/index.ts
@@ -0,0 +1 @@
+export * from './utils'
\ No newline at end of file
diff --git a/src/types/utils.ts b/src/types/utils.ts
new file mode 100644
index 0000000..186c8ff
--- /dev/null
+++ b/src/types/utils.ts
@@ -0,0 +1,4 @@
+export interface FileSize {
+  size: number;
+  error?: string;
+}
diff --git a/src/views/index.vue b/src/views/index.vue
index a5bbb60..d5dcbe0 100644
--- a/src/views/index.vue
+++ b/src/views/index.vue
@@ -1,9 +1,11 @@
 <script setup lang="ts">
 import { invoke } from '@tauri-apps/api/core';
 import { onMounted } from 'vue';
+import { FileSize } from '../types';
 
 onMounted(async () => {
-
+    const size: FileSize = await invoke('get_file_size', { url: 'https://freetestdata.com/wp-content/uploads/2021/09/1-MB-DOC.doc' })
+    console.log(size.error ? size.error : `File size: ${size.size}`);
 })
 </script>