fix: tree shaking transitive bailout (#4017)

* init

* chore: 🤖 update

* chore: 🤖 remove pnpmlock

* chore: 🤖 update

* chore: 🤖 update

* chore: 🤖 remove dbg

* chore: 🤖 update

Author: IWANABETHATGUY

crates/rspack/tests/tree-shaking/transitive-bailout/a.js

@@ -0,0 +1,2 @@
+export const a = 3;
+export const b = 3;

crates/rspack/tests/tree-shaking/transitive-bailout/answer.js

@@ -0,0 +1,4 @@
+const res = require("./lib.js")
+exports.test = function () {
+	res
+}

crates/rspack/tests/tree-shaking/transitive-bailout/expected/main.js

@@ -0,0 +1,38 @@
+(self['webpackChunkwebpack'] = self['webpackChunkwebpack'] || []).push([["main"], {
+"./a.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
+'use strict';
+__webpack_require__.r(__webpack_exports__);
+__webpack_require__.d(__webpack_exports__, {
+  'a': function() { return a; },
+  'b': function() { return b; }
+});
+ const a = 3;
+ const b = 3;
+},
+"./answer.js": function (__unused_webpack_module, exports, __webpack_require__) {
+const res = __webpack_require__(/* ./lib.js */"./lib.js");
+exports.test = function() {
+    res;
+};
+},
+"./index.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
+'use strict';
+__webpack_require__.r(__webpack_exports__);
+/* harmony import */var _answer__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./answer */"./answer.js");
+
+_answer__WEBPACK_IMPORTED_MODULE_0_.test;
+},
+"./lib.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
+'use strict';
+__webpack_require__.r(__webpack_exports__);
+/* harmony import */var _a_js__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./a.js */"./a.js");
+__webpack_require__.es(_a_js__WEBPACK_IMPORTED_MODULE_0_, __webpack_exports__);
+
+},
+
+},function(__webpack_require__) {
+var __webpack_exec__ = function(moduleId) { return __webpack_require__(__webpack_require__.s = moduleId) }
+var __webpack_exports__ = (__webpack_exec__("./index.js"));
+
+}
+]);

crates/rspack/tests/tree-shaking/transitive-bailout/index.js

@@ -0,0 +1,2 @@
+import { test } from "./answer";
+test

crates/rspack/tests/tree-shaking/transitive-bailout/lib.js

@@ -0,0 +1 @@
+export * from './a.js'

crates/rspack/tests/tree-shaking/transitive-bailout/test.config.json

@@ -0,0 +1,11 @@
+{
+	"optimization": {
+		"sideEffects": "true"
+	},
+	"builtins": {
+		"treeShaking": "true",
+		"define": {
+			"process.env.NODE_ENV": "'development'"
+		}
+	}
+}

crates/rspack_core/src/tree_shaking/optimizer.rs

@@ -171,7 +171,6 @@ impl<'a> CodeSizeOptimizer<'a> {
     let mut traced_tuple = HashMap::default();
     // Marking used symbol and all reachable export symbol from the used symbol for each module
 
-    // dbg!(&used_symbol_ref);
     let mut visited_symbol_ref: HashSet<SymbolRefWithMemberChain> = HashSet::default();
 
     self.mark_used_symbol_with(
@@ -1279,6 +1278,21 @@ impl<'a> CodeSizeOptimizer<'a> {
     // by default webpack will not mark the `export *` as used in entry module
     if matches!(entry_type, EntryLikeType::Bailout) {
       let inherit_export_symbols = get_inherit_export_symbol_ref(entry_module_result);
+      if !inherit_export_symbols.is_empty() {
+        // transitive bailout
+        inherit_export_symbols.iter().for_each(|item| {
+          q.push_back((
+            SymbolRef::Star(StarSymbol::new(
+              item.src(),
+              Default::default(),
+              entry_identifier,
+              StarSymbolKind::ReExportAll,
+              DependencyId::default(),
+            )),
+            vec![],
+          ));
+        });
+      }
       q.extend(
         inherit_export_symbols
           .into_iter()