Attempt to fix compilation issues on CI

Can't reproduce the errors on Azure locally, but hopefully tweaking
generated code can get things to work.

crates/webidl-tests/array.rs

@@ -1,4 +1,3 @@
-use js_sys::Object;
 use wasm_bindgen::Clamped;
 use wasm_bindgen_test::*;
 

crates/webidl-tests/array_buffer.rs

@@ -1,4 +1,3 @@
-use js_sys::Object;
 use wasm_bindgen_test::*;
 
 include!(concat!(env!("OUT_DIR"), "/array_buffer.rs"));

crates/webidl-tests/build.rs

@@ -19,6 +19,15 @@ fn main() {
         println!("processing {:?}", path);
         let mut generated_rust = wasm_bindgen_webidl::compile(&idl, None).unwrap();
 
+        generated_rust.insert_str(
+            0,
+            "
+                mod generated_code {
+                    #[allow(unused_imports)]
+                    use js_sys::Object;
+            ",
+        );
+
         let out_file = out_dir.join(path.file_name().unwrap()).with_extension("rs");
 
         generated_rust.push_str(&format!(
@@ -44,6 +53,8 @@ fn main() {
             i
         ));
 
+        generated_rust.push_str("}\nuse self::generated_code::*;");
+
         fs::write(&out_file, generated_rust).unwrap();
 
         // Attempt to run rustfmt, but don't worry if it fails or if it isn't

crates/webidl-tests/callbacks.rs

@@ -1,4 +1,4 @@
-use js_sys::{Function, Object};
+use js_sys::Function;
 use wasm_bindgen_test::*;
 
 include!(concat!(env!("OUT_DIR"), "/callbacks.rs"));

crates/webidl-tests/consts.rs

@@ -1,4 +1,3 @@
-use js_sys::Object;
 use wasm_bindgen_test::*;
 
 include!(concat!(env!("OUT_DIR"), "/consts.rs"));

crates/webidl-tests/enums.rs

@@ -1,4 +1,3 @@
-use js_sys::Object;
 use wasm_bindgen_test::*;
 
 include!(concat!(env!("OUT_DIR"), "/enums.rs"));

crates/webidl-tests/global.rs

@@ -1,4 +1,3 @@
-use js_sys::Object;
 use wasm_bindgen::prelude::*;
 use wasm_bindgen_test::*;
 

crates/webidl-tests/no_interface.rs

@@ -1,4 +1,3 @@
-use js_sys::Object;
 use wasm_bindgen_test::*;
 
 include!(concat!(env!("OUT_DIR"), "/no_interface.rs"));

crates/webidl-tests/throws.rs

@@ -1,4 +1,3 @@
-use js_sys::Object;
 use wasm_bindgen_test::*;
 
 include!(concat!(env!("OUT_DIR"), "/throws.rs"));