Turbopack: Improve the description on InvalidLoaderRuleConditionIssue

bgw · bgw · commit e2639ace26e0 · 2025-12-09T16:41:17.000-08:00
diff --git a/crates/next-core/src/next_config.rs b/crates/next-core/src/next_config.rs
@@ -1285,6 +1285,7 @@ impl Issue for InvalidLoaderRuleRenameAsIssue {
 
 #[turbo_tasks::value(shared)]
 struct InvalidLoaderRuleConditionIssue {
+    error_string: RcStr,
     condition: ConfigConditionItem,
     config_file_path: FileSystemPath,
 }
@@ -1309,7 +1310,15 @@ impl Issue for InvalidLoaderRuleConditionIssue {
     #[turbo_tasks::function]
     async fn description(&self) -> Result<Vc<OptionStyledString>> {
         Ok(Vc::cell(Some(
-            StyledString::Text(RcStr::from(format!("{:#?}", self.condition))).resolved_cell(),
+            StyledString::Stack(vec![
+                StyledString::Line(vec![
+                    StyledString::Text(rcstr!("Encountered the following error:")),
+                    StyledString::Code(self.error_string.clone()),
+                ]),
+                StyledString::Text(rcstr!("While processing the condition:")),
+                StyledString::Code(RcStr::from(format!("{:#?}", self.condition))),
+            ])
+            .resolved_cell(),
         )))
     }
 
diff --git a/examples/basic-css/next.config.js b/examples/basic-css/next.config.js
@@ -0,0 +1,13 @@
+module.exports = {
+  turbopack: {
+    rules: {
+      "*.svg": {
+        loaders: ["@svgr/webpack"],
+        as: "*.js",
+        condition: {
+          path: /abc/,
+        },
+      },
+    },
+  },
+};
