Update encode and decode from u8 array; update wasm binding

stegano-core/src/lib.rs

@@ -44,7 +44,7 @@ impl ImgStegano {
     ) -> Result<Vec<u8>, ImgSteganoError> {
         let image_format = ImageFormat::from_extension(image_extension)
             .ok_or(ImgSteganoError::InvalidImageFormat)?;
-        let image = image::load_from_memory_with_format(input_image, image_format)?;
+        let image = image::load_from_memory(input_image)?;
         let encoded_image = Self::encode_from_image(image.into(), message);
         let Image(encoded_image) = encoded_image;
         let mut encoded: Vec<u8> = Vec::new();
@@ -92,7 +92,7 @@ impl ImgStegano {
     }
 
     pub fn decode_from_u8_array(input_image: &[u8]) -> Result<String, ImgSteganoError> {
-        let image = image::load_from_memory_with_format(input_image, image::ImageFormat::Png)?;
+        let image = image::load_from_memory(input_image)?;
         let decoded = Self::decode_from_image(&image.into());
         Ok(decoded)
     }

stegano-wasm/Cargo.toml

@@ -19,6 +19,7 @@ img_stegano = {path = "../"}
 # all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
 # code size when deploying.
 console_error_panic_hook = { version = "0.1.7", optional = true }
+image = "0.24.7"
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.34"

stegano-wasm/src/lib.rs

@@ -1,8 +1,11 @@
+mod utils;
+
 use img_stegano::ImgStegano;
 use wasm_bindgen::prelude::*;
 
 #[wasm_bindgen]
 pub fn encode_text(input_image: &[u8], image_extension: &str, message: &str) -> Vec<u8> {
+    utils::set_panic_hook();
     ImgStegano::encode_from_u8_array(input_image, image_extension, message).unwrap()
 }
 

stegano-wasm/src/utils.rs

@@ -0,0 +1,10 @@
+pub fn set_panic_hook() {
+    // When the `console_error_panic_hook` feature is enabled, we can call the
+    // `set_panic_hook` function at least once during initialization, and then
+    // we will get better error messages if our code ever panics.
+    //
+    // For more details see
+    // https://github.com/rustwasm/console_error_panic_hook#readme
+    #[cfg(feature = "console_error_panic_hook")]
+    console_error_panic_hook::set_once();
+}