fix: should create an empty codegen result for module that has failur…

…e in codegen (#7777)

fix: parse error in concatenatedModule should be emitted to diagnostics

crates/rspack_core/src/compiler/compilation.rs

@@ -37,11 +37,11 @@ use crate::{
   unaffected_cache::UnaffectedModulesCache,
   BoxDependency, BoxModule, CacheCount, CacheOptions, Chunk, ChunkByUkey, ChunkContentHash,
   ChunkGraph, ChunkGroupByUkey, ChunkGroupUkey, ChunkKind, ChunkUkey, CodeGenerationJob,
-  CodeGenerationResults, CompilationLogger, CompilationLogging, CompilerOptions, DependencyId,
-  DependencyType, Entry, EntryData, EntryOptions, EntryRuntime, Entrypoint, ExecuteModuleId,
-  Filename, ImportVarMap, LocalFilenameFn, Logger, Module, ModuleFactory, ModuleGraph,
-  ModuleGraphPartial, ModuleIdentifier, PathData, ResolverFactory, RuntimeGlobals, RuntimeModule,
-  RuntimeSpecMap, SharedPluginDriver, SourceType, Stats,
+  CodeGenerationResult, CodeGenerationResults, CompilationLogger, CompilationLogging,
+  CompilerOptions, DependencyId, DependencyType, Entry, EntryData, EntryOptions, EntryRuntime,
+  Entrypoint, ExecuteModuleId, Filename, ImportVarMap, LocalFilenameFn, Logger, Module,
+  ModuleFactory, ModuleGraph, ModuleGraphPartial, ModuleIdentifier, PathData, ResolverFactory,
+  RuntimeGlobals, RuntimeModule, RuntimeSpecMap, SharedPluginDriver, SourceType, Stats,
 };
 
 pub type BuildDependency = (
@@ -870,19 +870,33 @@ impl Compilation {
       .into_par_iter()
       .map(|job| {
         let module = job.module;
-        self
-          .old_cache
-          .code_generate_occasion
-          .use_cache(job, |module, runtime| {
-            let module = module_graph
-              .module_by_identifier(&module)
-              .expect("should have module");
-            module.code_generation(self, Some(runtime), None)
-          })
-          .map(|(res, runtimes, from_cache)| (module, res, runtimes, from_cache))
+        let runtimes = job.runtimes.clone();
+        (
+          module,
+          runtimes,
+          self
+            .old_cache
+            .code_generate_occasion
+            .use_cache(job, |module, runtime| {
+              let module = module_graph
+                .module_by_identifier(&module)
+                .expect("should have module");
+              module.code_generation(self, Some(runtime), None)
+            }),
+        )
       })
-      .collect::<Result<Vec<_>>>()?;
-    for (module, codegen_res, runtimes, from_cache) in results {
+      .map(|(module, runtime, result)| match result {
+        Ok((result, runtime, from_cache)) => (module, result, runtime, from_cache, None),
+        Err(err) => (
+          module,
+          CodeGenerationResult::default(),
+          runtime,
+          false,
+          Some(err),
+        ),
+      })
+      .collect::<Vec<_>>();
+    for (module, codegen_res, runtimes, from_cache, err) in results {
       if let Some(counter) = cache_counter {
         if from_cache {
           counter.hit();
@@ -902,6 +916,10 @@ impl Compilation {
           .add(module, runtime, codegen_res_id);
       }
       self.code_generated_modules.insert(module);
+
+      if let Some(err) = err {
+        self.push_diagnostic(Diagnostic::from(err).with_module_identifier(Some(module)));
+      }
     }
     Ok(())
   }

crates/rspack_core/src/concatenated_module.rs

@@ -1730,21 +1730,19 @@ impl ConcatenatedModule {
         Ok(res) => Program::Module(res),
         Err(err) => {
           let span: ErrorSpan = err.span().into();
-          self
-            .diagnostics
-            .lock()
-            .expect("should have diagnostics")
-            .append(&mut map_box_diagnostics_to_module_parse_diagnostics(vec![
-              rspack_error::TraceableError::from_source_file(
-                &fm,
-                span.start as usize,
-                span.end as usize,
-                "JavaScript parsing error".to_string(),
-                err.kind().msg().to_string(),
-              )
-              .with_kind(DiagnosticKind::JavaScript),
-            ]));
-          return Ok(ModuleInfo::Concatenated(module_info));
+
+          // return empty error as we already push error to compilation.diagnostics
+          return Err(
+            rspack_error::TraceableError::from_source_file(
+              &fm,
+              span.start as usize,
+              span.end as usize,
+              "JavaScript parsing error:\n".to_string(),
+              err.kind().msg().to_string(),
+            )
+            .with_kind(DiagnosticKind::JavaScript)
+            .into(),
+          );
         }
       };
       let mut ast = Ast::new(program, cm, Some(comments));

packages/rspack-test-tools/tests/diagnosticsCases/module-parse-failed/concatenate_parse_module/foo.js

@@ -0,0 +1,2 @@
+console.log(DEFINE_VAR)
+export default 1

packages/rspack-test-tools/tests/diagnosticsCases/module-parse-failed/concatenate_parse_module/index.js

@@ -0,0 +1,3 @@
+import v from './foo'
+
+console.log(v)

packages/rspack-test-tools/tests/diagnosticsCases/module-parse-failed/concatenate_parse_module/rspack.config.js

@@ -0,0 +1,13 @@
+const rspack = require('@rspack/core')
+
+/** @type {import('@rspack/core').Configuration} */
+module.exports = {
+	plugins: [
+		new rspack.DefinePlugin({
+			DEFINE_VAR: '1 2 3'
+		})
+	],
+	optimization: {
+		concatenateModules: true
+	}
+}

packages/rspack-test-tools/tests/diagnosticsCases/module-parse-failed/concatenate_parse_module/stats.err

@@ -0,0 +1,8 @@
+ERROR in ./index.js + 1 modules
+  × JavaScript parsing error:
+  │ : Expected ',', got 'numeric literal (2, 2)'
+   ╭─[1:14]
+ 1 │ console.log(1 2 3)
+   ·               ─
+ 2 │ /* harmony default export */ const __WEBPACK_DEFAULT_EXPORT__ = (1);
+   ╰────