diff --git a/src/loader.rs b/src/loader.rs
index 6644c4b..b7adc08 100644
--- a/src/loader.rs
+++ b/src/loader.rs
@@ -2,7 +2,7 @@ use std::collections::HashMap;
 
 use gloo_file::callbacks::FileReader;
 use gloo_file::File;
-use web_sys::{Event, HtmlInputElement, Url, MouseEvent};
+use web_sys::{Event, HtmlInputElement, MouseEvent, Url};
 use yew::{html, html::TargetCast, Component, Context, Html};
 
 use super::utils;
@@ -45,6 +45,7 @@ impl Component for Loader {
                 if self.files.len() == self.count {
                     ctx.link().send_message(Msg::FilesLoaded);
                 }
+
                 true
             }
 
@@ -72,6 +73,7 @@ impl Component for Loader {
                     };
                     self.readers.insert(file_name, task);
                 }
+
                 true
             }
 
@@ -81,7 +83,7 @@ impl Component for Loader {
                     Err(err) => {
                         utils::alert(&err.to_string());
                         ctx.link().send_message(Msg::Reset);
-                        return true
+                        return true;
                     }
                 };
 
@@ -92,7 +94,9 @@ impl Component for Loader {
                 let url = Url::create_object_url_with_blob(&merged).unwrap();
 
                 anchor_element.set_attribute("href", &url).unwrap();
-                anchor_element.set_attribute("download", "merged.gpx").unwrap();
+                anchor_element
+                    .set_attribute("download", "merged.gpx")
+                    .unwrap();
 
                 self.is_loading = false;
 
@@ -108,6 +112,7 @@ impl Component for Loader {
                 self.count = 0;
                 self.is_loading = false;
                 self.field_value = "";
+
                 true
             }
         }
diff --git a/src/utils.rs b/src/utils.rs
index 4201c17..23ded6f 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,6 +1,6 @@
 use std::error::Error;
-use web_sys::Blob;
 use wasm_bindgen::prelude::*;
+use web_sys::Blob;
 
 fn join_gpx_files(files: &Vec<String>) -> Result<gpx::Gpx, Box<dyn Error>> {
     let mut merged_gpx: gpx::Gpx = Default::default();
@@ -54,12 +54,12 @@ fn write_gpx_to_buffer(gpx: gpx::Gpx) -> Result<js_sys::Array, Box<dyn Error>> {
 pub fn merge(files: &Vec<String>) -> Result<Blob, Box<dyn Error>> {
     let merged: gpx::Gpx = join_gpx_files(files)?;
     let out_vec = write_gpx_to_buffer(merged)?;
-    let result = Blob::new_with_u8_array_sequence(&out_vec).map_err(|e| e.as_string().unwrap() )?;
+    let result = Blob::new_with_u8_array_sequence(&out_vec).map_err(|e| e.as_string().unwrap())?;
 
     Ok(result)
 }
 
 #[wasm_bindgen]
-extern {
+extern "C" {
     pub fn alert(s: &str);
 }