feat: metadataSync (#137)

Author: vsn4ik

packages/binding/__test__/transformer.spec.mjs

@@ -37,6 +37,13 @@ test('should be able to get exif from jpg', async (t) => {
   t.is(metadata.format, 'jpeg')
 })
 
+test('should be able to get metadata from jpg - sync', (t) => {
+  const decoder = new Transformer(JPEG)
+  const metadata = decoder.metadataSync()
+  t.is(metadata.width, 1024)
+  t.is(metadata.height, 678)
+})
+
 test('should be able to encode into webp', async (t) => {
   const decoder = new Transformer(PNG)
   await t.notThrowsAsync(() => decoder.webp(75))

packages/binding/src/transformer.rs

@@ -781,6 +781,16 @@ impl Transformer {
     )
   }
 
+  #[napi]
+  pub fn metadata_sync(&mut self, env: Env, with_exif: Option<bool>) -> Result<Metadata> {
+    let mut task = MetadataTask {
+        dynamic_image: self.dynamic_image.clone(),
+        with_exif: with_exif.unwrap_or(false),
+    };
+    let output = task.compute()?;
+    task.resolve(env, output)
+  }
+
   #[napi]
   /// Rotate with exif orientation
   /// If the orientation param is not null,

website/pages/docs/index.mdx

@@ -79,6 +79,7 @@ writeFileSync(
 
 ```ts
 metadata(withExif?: boolean | undefined | null, signal?: AbortSignal | undefined | null): Promise<Metadata>
+metadataSync(withExif?: boolean | undefined | null): Metadata
 
 export interface Metadata {
   width: number