fix: types

crates/rspack_binding_options/src/options/raw_external.rs

@@ -7,7 +7,6 @@ use napi_derive::napi;
 use rspack_binding_values::JsResolver;
 use rspack_core::{ExternalItem, ExternalItemFnResult, ExternalItemValue};
 use rspack_core::{ExternalItemFnCtx, ResolveOptionsWithDependencyType, ResolverFactory};
-// use rspack_napi::regexp::{JsRegExp, JsRegExpExt};
 use rspack_napi::threadsafe_function::ThreadsafeFunction;
 use rspack_regex::RspackRegex;
 

crates/rspack_core/src/context_module_factory.rs

@@ -128,7 +128,7 @@ impl ContextModuleFactory {
         resolve_options: options
           .resolve_options
           .clone()
-          .map(|arc| Box::new(Arc::try_unwrap(arc).unwrap_or_else(|arc| (*arc).clone()))),
+          .map(|r| Box::new(Arc::unwrap_or_clone(r))),
         resolve_to_context: false,
         dependency_category: options.context_options.category,
       });

crates/rspack_core/src/module_factory.rs

@@ -11,7 +11,6 @@ use crate::{
 #[derive(Debug, Clone)]
 pub struct ModuleFactoryCreateData {
   pub compilation_id: CompilationId,
-  // pub resolve_options: Option<Box<Resolve>>,
   pub resolve_options: Option<Arc<Resolve>>,
   pub options: Arc<CompilerOptions>,
   pub context: Context,

crates/rspack_plugin_externals/src/plugin.rs

@@ -188,8 +188,11 @@ async fn factorize(&self, data: &mut ModuleFactoryCreateData) -> Result<Option<B
               .clone()
               .map(|r| Box::new(Arc::unwrap_or_clone(r))),
             resolve_to_context: false,
-            // dependency_category: *data.dependency.category(),
-            dependency_category: *data.dependencies.get(0).unwrap().category(),
+            dependency_category: *data
+              .dependencies
+              .first()
+              .expect("Expected at least one dependency")
+              .category(),
           },
           resolver_factory: data.resolver_factory.clone(),
         })

packages/rspack/src/builtin-plugin/ExternalsPlugin.ts

@@ -73,8 +73,15 @@ function getRawExternalItem(
 										context,
 										request,
 										getResolveContext(),
-										// @ts-expect-error TODO: fix the type
-										callback
+										(err, result) => {
+											if (err) return callback(err);
+											// Sync with how webpack fixes the type:
+											// https://github.com/webpack/webpack/blob/a2ad76cd50ae780dead395c68ea67d46de9828f3/lib/ExternalModuleFactoryPlugin.js#L276
+											callback(
+												undefined,
+												typeof result === "string" ? result : undefined
+											);
+										}
 									);
 								} else {
 									return new Promise((resolve, reject) => {

packages/rspack/src/config/zod.ts

@@ -863,10 +863,27 @@ const externalItemFunctionData = z.strictObject({
 		.optional(),
 	getResolve: z
 		.function()
-		.returns(z.function().args(z.string(), z.string(), z.function().optional()))
+		.returns(
+			z
+				.function()
+				.args(z.string(), z.string())
+				.returns(z.promise(z.string()))
+				.or(
+					z
+						.function()
+						.args(
+							z.string(),
+							z.string(),
+							z
+								.function()
+								.args(z.instanceof(Error).optional(), z.string().optional())
+								.returns(z.void())
+						)
+						.returns(z.void())
+				)
+		)
 		.optional()
-});
-export type ExternalItemFunctionData = z.infer<typeof externalItemFunctionData>;
+}) satisfies z.ZodType<t.ExternalItemFunctionData>;
 
 const externalItem = z
 	.string()
@@ -876,7 +893,7 @@ const externalItem = z
 		z
 			.function()
 			.args(
-				externalItemFunctionData,
+				externalItemFunctionData as z.ZodType<t.ExternalItemFunctionData>,
 				z
 					.function()
 					.args(
@@ -890,14 +907,13 @@ const externalItem = z
 	.or(
 		z
 			.function()
-			.args(externalItemFunctionData)
+			.args(externalItemFunctionData as z.ZodType<t.ExternalItemFunctionData>)
 			.returns(z.promise(externalItemValue))
 	) satisfies z.ZodType<t.ExternalItem>;
 
 const externals = externalItem
 	.array()
 	.or(externalItem) satisfies z.ZodType<t.Externals>;
-//#endregion
 
 //#region ExternalsPresets
 const externalsPresets = z.strictObject({