♻️ Use of "target_family" instead of feature to manage wasm platform

src/infrastructure/services/mozaik_builder.rs

@@ -6,6 +6,12 @@ use image::{DynamicImage, ImageFormat};
 use image::{GenericImage, RgbImage};
 use tracing::{error, warn};
 
+cfg_if! {
+    if #[cfg(not(target_family = "wasm"))] {
+        use tokio::task::spawn_blocking;
+    }
+}
+
 fn from_raw_to_image(raw: &Vec<u8>) -> Option<DynamicImage> {
     match Reader::new(Cursor::new(raw)).with_guessed_format() {
         Ok(reader) => match reader.decode() {
@@ -19,7 +25,7 @@ fn from_raw_to_image(raw: &Vec<u8>) -> Option<DynamicImage> {
     None
 }
 
-pub fn create_mozaik(
+fn create_mozaik_(
     width_px: u32,
     height_px: u32,
     images: &[Vec<u8>],
@@ -90,3 +96,21 @@ pub fn create_mozaik(
 
     bytes
 }
+
+pub async fn create_mozaik(
+    width_px: u32,
+    height_px: u32,
+    images: Vec<Vec<u8>>,
+    padding_image: Option<Vec<u8>>,
+) -> Vec<u8> {
+    cfg_if! {
+        if #[cfg(target_family = "wasm")] {
+            create_mozaik_(width_px, height_px, &images, &padding_image)
+        }
+        else {
+            spawn_blocking(move || {
+                create_mozaik_(width_px, height_px, &images, &padding_image)
+            }).await.unwrap()
+        }
+    }
+}