fix(wasm): named api method

wasm/examples/export_method.rs

@@ -0,0 +1,16 @@
+#[wasm::api_method(retrieveCAS)]
+pub fn retrieve_cas() {
+  // a `fetcher` variable is available
+  // if the target architecture is `wasm32`
+}
+
+// the method will be still called `update` in the generated bindings
+#[wasm::api_method]
+pub fn update() {
+  // a `fetcher` variable is available
+  // if the target architecture is `wasm32`
+}
+
+fn main() {
+  println!("Hello, world!");
+}

wasm/src/lib.rs

@@ -15,21 +15,8 @@ impl Parse for ApiMethodArgs {
       return Ok(ApiMethodArgs { js_name: None });
     }
 
-    let content;
-    syn::parenthesized!(content in input);
-
-    if content.is_empty() {
-      return Ok(ApiMethodArgs { js_name: None });
-    }
-
-    let js_name = if let Ok(ident) = content.parse::<Ident>() {
-      ident.to_string()
-    }
-    else {
-      return Err(content.error("Expected identifier"));
-    };
-
-    Ok(ApiMethodArgs { js_name: Some(js_name) })
+    let ident = input.parse::<Ident>()?;
+    Ok(ApiMethodArgs { js_name: Some(ident.to_string()) })
   }
 }