style: clippy fix (#1711)

crates/backend/src/codegen/struct.rs

@@ -918,8 +918,8 @@ impl NapiImpl {
 }
 
 fn rm_raw_prefix(s: &str) -> &str {
-  if s.starts_with("r#") {
-    &s[2..]
+  if let Some(stripped) = s.strip_prefix("r#") {
+    stripped
   } else {
     s
   }

crates/backend/src/typegen/fn.rs

@@ -79,7 +79,7 @@ impl ToTypeDef for NapiFn {
         .ts_generic_types
         .as_ref()
         .map(|g| format!("<{}>", g))
-        .unwrap_or_else(|| "".to_string()),
+        .unwrap_or_default(),
       args = self
         .ts_args_type
         .clone()

crates/napi/src/bindgen_runtime/iterator.rs

@@ -210,7 +210,7 @@ pub unsafe extern "C" fn symbol_generator<T: Generator>(
     "Create generator state failed"
   );
 
-  let properties = vec![sys::napi_property_descriptor {
+  let properties = [sys::napi_property_descriptor {
     utf8name: GENERATOR_STATE_KEY.as_ptr().cast(),
     name: ptr::null_mut(),
     method: None,

crates/napi/src/bindgen_runtime/js_values/arraybuffer.rs

@@ -402,7 +402,6 @@ unsafe extern "C" fn finalizer<Data, T: Finalizer<RustType = Data>>(
     }
     DataManagedType::Owned => {
       if data.ref_count() == 1 {
-        let length = length;
         unsafe { Vec::from_raw_parts(finalize_data as *mut Data, length, length) };
       }
     }

crates/napi/src/bindgen_runtime/js_values/date.rs

@@ -150,6 +150,6 @@ impl FromNapiValue for DateTime<Utc> {
       (milliseconds_since_epoch_utc % 1_000 * 1_000_000) as u32,
     )
     .ok_or_else(|| Error::new(Status::DateExpected, "Found invalid date".to_owned()))?;
-    Ok(DateTime::<Utc>::from_utc(naive, Utc))
+    Ok(DateTime::<Utc>::from_naive_utc_and_offset(naive, Utc))
   }
 }

crates/napi/src/bindgen_runtime/js_values/value_ref.rs

@@ -138,7 +138,7 @@ impl<T: 'static> Reference<T> {
     let s_ptr = Box::into_raw(Box::new(s));
     let prev_drop_fn = unsafe { Box::from_raw(self.finalize_callbacks.get()) };
     let drop_fn = Box::new(move || {
-      unsafe { Box::from_raw(s_ptr) };
+      drop(unsafe { Box::from_raw(s_ptr) });
       prev_drop_fn();
     });
     self.finalize_callbacks.set(Box::into_raw(drop_fn));

crates/napi/src/bindgen_runtime/module_register.rs

@@ -242,7 +242,7 @@ pub fn register_class(
     let val = inner.entry(rust_name).or_default();
     let val = val.entry(js_mod).or_default();
     val.0 = js_name;
-    val.1.extend(props.into_iter());
+    val.1.extend(props);
   });
 }
 

crates/napi/src/env.rs

@@ -740,6 +740,7 @@ impl Env {
     Ok(unsafe { JsFunction::from_raw_unchecked(self.0, raw_result) })
   }
 
+  #[allow(clippy::needless_pass_by_ref_mut)]
   pub fn wrap<T: 'static>(&self, js_object: &mut JsObject, native_object: T) -> Result<()> {
     check_status!(unsafe {
       sys::napi_wrap(
@@ -813,7 +814,7 @@ impl Env {
     }
   }
 
-  pub fn drop_wrapped<T: 'static>(&self, js_object: &mut JsObject) -> Result<()> {
+  pub fn drop_wrapped<T: 'static>(&self, js_object: &JsObject) -> Result<()> {
     unsafe {
       let mut unknown_tagged_object = ptr::null_mut();
       check_status!(sys::napi_remove_wrap(

crates/napi/src/threadsafe_function.rs

@@ -136,6 +136,7 @@ impl ThreadsafeFunctionHandle {
     f(aborted_guard)
   }
 
+  #[allow(clippy::arc_with_non_send_sync)]
   fn null() -> Arc<Self> {
     Self::new(null_mut())
   }

examples/napi-compat-mode/src/class.rs

@@ -50,7 +50,7 @@ fn add_native_count(ctx: CallContext) -> Result<JsNumber> {
 #[js_function]
 fn renew_wrapped(ctx: CallContext) -> Result<JsUndefined> {
   let mut this: JsObject = ctx.this_unchecked();
-  ctx.env.drop_wrapped::<NativeClass>(&mut this)?;
+  ctx.env.drop_wrapped::<NativeClass>(&this)?;
   ctx.env.wrap(&mut this, NativeClass { value: 42 })?;
   ctx.env.get_undefined()
 }