test: pass more tree shaking test case

crates/rspack/Cargo.toml

@@ -15,9 +15,10 @@ rspack_fs   = { path = "../rspack_fs", features = ["async", "rspack-error"] }
 tokio = { workspace = true, features = ["rt", "rt-multi-thread", "macros"] }
 
 [dev-dependencies]
-rspack_binding_options = { path = "../rspack_binding_options" }
-rspack_testing         = { path = "../rspack_testing" }
-rspack_tracing         = { path = "../rspack_tracing" }
+rspack_binding_options   = { path = "../rspack_binding_options" }
+rspack_plugin_javascript = { path = "../rspack_plugin_javascript" }
+rspack_testing           = { path = "../rspack_testing" }
+rspack_tracing           = { path = "../rspack_tracing" }
 
 
 cargo-rst      = { path = "../cargo-rst" }

crates/rspack/tests/fixtures.rs

@@ -1,8 +1,8 @@
 use std::path::PathBuf;
 
 use cargo_rst::git_diff;
-use insta::Settings;
-use rspack_core::{CompilerOptions, TreeShaking, UsedExportsOption};
+use rspack_core::{BoxPlugin, CompilerOptions, TreeShaking, UsedExportsOption};
+use rspack_plugin_javascript::{FlagDependencyExportsPlugin, FlagDependencyUsagePlugin};
 use rspack_testing::test_fixture;
 use testing_macros::fixture;
 
@@ -28,12 +28,17 @@ fn tree_shaking(fixture_path: PathBuf) {
   // second test is webpack based tree shaking
   test_fixture(
     &fixture_path,
-    Box::new(|_: &mut Settings, options: &mut CompilerOptions| {
-      options.experiments.rspack_future.new_treeshaking = true;
-      options.optimization.provided_exports = true;
-      options.optimization.used_exports = UsedExportsOption::True;
-      options.builtins.tree_shaking = TreeShaking::False;
-    }),
+    Box::new(
+      |plugins: &mut Vec<BoxPlugin>, options: &mut CompilerOptions| {
+        options.experiments.rspack_future.new_treeshaking = true;
+        options.optimization.provided_exports = true;
+        options.optimization.used_exports = UsedExportsOption::True;
+        options.builtins.tree_shaking = TreeShaking::False;
+
+        plugins.push(Box::<FlagDependencyExportsPlugin>::default());
+        plugins.push(Box::<FlagDependencyUsagePlugin>::default());
+      },
+    ),
     Some("new_treeshaking".to_string()),
   );
 
@@ -45,5 +50,11 @@ fn tree_shaking(fixture_path: PathBuf) {
   let new_treeshaking_snapshot =
     std::fs::read_to_string(new_treeshaking_snapshot_path).expect("should have snapshot");
   let diff = git_diff(&old_snapshot, &new_treeshaking_snapshot);
-  std::fs::write(fixture_path.join("snapshot/snap.diff"), diff).expect("should write successfully");
+  let diff_path = fixture_path.join("snapshot/snap.diff");
+  if diff_path.exists() {
+    std::fs::remove_file(diff_path.clone()).expect("remove file failed");
+  }
+  if !diff.is_empty() {
+    std::fs::write(diff_path, diff).expect("should write successfully");
+  }
 }

crates/rspack/tests/tree-shaking/array-side-effects/snapshot/new_treeshaking.snap

@@ -26,9 +26,7 @@ __webpack_require__.r(__webpack_exports__);
 'use strict';
 __webpack_require__.r(__webpack_exports__);
 __webpack_require__.d(__webpack_exports__, {
-  'secret': function() { return secret; },
-  'result': function() { return result; },
-  'something': function() { return something; }
+  'result': function() { return result; }
 });
  const secret = "888";
  const result = 20000;

crates/rspack/tests/tree-shaking/array-side-effects/snapshot/snap.diff

@@ -8,14 +8,3 @@
  /* harmony import */var _src_a__WEBPACK_IMPORTED_MODULE_1_ = __webpack_require__(/* ./src/a */"./src/a.js");
 
 
-@@ -25,7 +26,9 @@
- 'use strict';
- __webpack_require__.r(__webpack_exports__);
- __webpack_require__.d(__webpack_exports__, {
--  'result': function() { return result; }
-+  'secret': function() { return secret; },
-+  'result': function() { return result; },
-+  'something': function() { return something; }
- });
-  const secret = "888";
-  const result = 20000;

crates/rspack/tests/tree-shaking/assign-with-side-effects/snapshot/new_treeshaking.snap

@@ -25,9 +25,7 @@ __webpack_require__.r(__webpack_exports__);
 'use strict';
 __webpack_require__.r(__webpack_exports__);
 __webpack_require__.d(__webpack_exports__, {
-  'secret': function() { return secret; },
-  'result': function() { return result; },
-  'something': function() { return something; }
+  'result': function() { return result; }
 });
  const secret = "888";
  const result = 20000;

crates/rspack/tests/tree-shaking/basic/snapshot/new_treeshaking.snap

@@ -14,9 +14,6 @@ __webpack_require__.d(__webpack_exports__, {
 "./app.js": function (module, __webpack_exports__, __webpack_require__) {
 'use strict';
 __webpack_require__.r(__webpack_exports__);
-__webpack_require__.d(__webpack_exports__, {
-  'render': function() { return render; }
-});
 /* harmony import */var _lib__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./lib */"./lib.js");
 
 setTimeout(()=>{
@@ -43,8 +40,7 @@ __webpack_require__.r(__webpack_exports__);
 __webpack_require__.r(__webpack_exports__);
 __webpack_require__.d(__webpack_exports__, {
   'secret': function() { return secret; },
-  'myanswer': function() { return myanswer; },
-  'result': function() { return result; }
+  'myanswer': function() { return myanswer; }
 });
 /* harmony import */var _answer__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./answer */"./answer.js");
 

crates/rspack/tests/tree-shaking/basic/snapshot/snap.diff

@@ -1,16 +1,6 @@
 --- expected
 +++ actual
-@@ -14,6 +14,9 @@
- "./app.js": function (module, __webpack_exports__, __webpack_require__) {
- 'use strict';
- __webpack_require__.r(__webpack_exports__);
-+__webpack_require__.d(__webpack_exports__, {
-+  'render': function() { return render; }
-+});
- /* harmony import */var _lib__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./lib */"./lib.js");
-
- setTimeout(()=>{
-@@ -22,7 +25,7 @@
+@@ -22,7 +22,7 @@
   function render() {
      function test() {
          const container = document.getElementById("root");
@@ -19,14 +9,11 @@
      }
  }
  if (module.hot?.accept) module.hot.accept((module1)=>{
-@@ -39,7 +42,9 @@
+@@ -39,6 +39,7 @@
  'use strict';
  __webpack_require__.r(__webpack_exports__);
  __webpack_require__.d(__webpack_exports__, {
--  'myanswer': function() { return myanswer; }
 +  'secret': function() { return secret; },
-+  'myanswer': function() { return myanswer; },
-+  'result': function() { return result; }
+   'myanswer': function() { return myanswer; }
  });
  /* harmony import */var _answer__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./answer */"./answer.js");
-

crates/rspack/tests/tree-shaking/bb/snapshot/new_treeshaking.snap

@@ -7,7 +7,6 @@ source: crates/rspack_testing/src/run_fixture.rs
 'use strict';
 __webpack_require__.r(__webpack_exports__);
 __webpack_require__.d(__webpack_exports__, {
-  'a': function() { return a; },
   'c': function() { return _b_js__WEBPACK_IMPORTED_MODULE_0_.c; }
 });
 /* harmony import */var _b_js__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./b.js */"./b.js");
@@ -23,18 +22,14 @@ _b_js__WEBPACK_IMPORTED_MODULE_0_.d;
 'use strict';
 __webpack_require__.r(__webpack_exports__);
 __webpack_require__.d(__webpack_exports__, {
-  'd': function() { return d; },
-  'c': function() { return c; }
+  'd': function() { return d; }
 });
  const d = 3;
  const c = 100;
 },
 "./c.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
 'use strict';
 __webpack_require__.r(__webpack_exports__);
-__webpack_require__.d(__webpack_exports__, {
-  'ccc': function() { return ccc; }
-});
  const ccc = 30;
 },
 "./index.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {

crates/rspack/tests/tree-shaking/bb/snapshot/snap.diff

@@ -1,23 +1,22 @@
 --- expected
 +++ actual
-@@ -6,6 +6,10 @@
+@@ -6,6 +6,9 @@
  "./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; },
 +  'c': function() { return _b_js__WEBPACK_IMPORTED_MODULE_0_.c; }
 +});
  /* harmony import */var _b_js__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./b.js */"./b.js");
  /* harmony import */var _c_js__WEBPACK_IMPORTED_MODULE_1_ = __webpack_require__(/* ./c.js */"./c.js");
  __webpack_require__.es(_c_js__WEBPACK_IMPORTED_MODULE_1_, __webpack_exports__);
-@@ -19,7 +23,8 @@
+@@ -27,9 +30,6 @@
+ "./c.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
  'use strict';
  __webpack_require__.r(__webpack_exports__);
- __webpack_require__.d(__webpack_exports__, {
--  'd': function() { return d; }
-+  'd': function() { return d; },
-+  'c': function() { return c; }
- });
-  const d = 3;
-  const c = 100;
+-__webpack_require__.d(__webpack_exports__, {
+-  'ccc': function() { return ccc; }
+-});
+  const ccc = 30;
+ },
+ "./index.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {

crates/rspack/tests/tree-shaking/cjs-export-computed-property/snapshot/new_treeshaking.snap

@@ -28,9 +28,6 @@ const locales = {
 "./index.ts": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
 'use strict';
 __webpack_require__.r(__webpack_exports__);
-__webpack_require__.d(__webpack_exports__, {
-  'test': function() { return test; }
-});
 /* harmony import */var _antd_index__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./antd/index */"./antd/index.ts");
 
 _antd_index__WEBPACK_IMPORTED_MODULE_0_.locales.zh_CN;

crates/rspack/tests/tree-shaking/cjs-export-computed-property/snapshot/snap.diff

@@ -0,0 +1,12 @@
+--- expected
++++ actual
+@@ -28,9 +28,6 @@
+ "./index.ts": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
+ 'use strict';
+ __webpack_require__.r(__webpack_exports__);
+-__webpack_require__.d(__webpack_exports__, {
+-  'test': function() { return test; }
+-});
+ /* harmony import */var _antd_index__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./antd/index */"./antd/index.ts");
+
+ _antd_index__WEBPACK_IMPORTED_MODULE_0_.locales.zh_CN;

crates/rspack/tests/tree-shaking/cjs-tree-shaking-basic/snapshot/new_treeshaking.snap

@@ -6,17 +6,11 @@ source: crates/rspack_testing/src/run_fixture.rs
 "./a/aaa.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
 'use strict';
 __webpack_require__.r(__webpack_exports__);
-__webpack_require__.d(__webpack_exports__, {
-  'aaa': function() { return aaa; }
-});
  function aaa() {}
 },
 "./a/bbb.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
 'use strict';
 __webpack_require__.r(__webpack_exports__);
-__webpack_require__.d(__webpack_exports__, {
-  'bbb': function() { return bbb; }
-});
  function bbb() {}
 },
 "./a/index.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
@@ -59,9 +53,6 @@ __webpack_require__(/* ./answer */"./answer.js");
 "./lib.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
 'use strict';
 __webpack_require__.r(__webpack_exports__);
-__webpack_require__.d(__webpack_exports__, {
-  'myanswer': function() { return myanswer; }
-});
  const myanswer = 'anyser';
 },
 

crates/rspack/tests/tree-shaking/cjs-tree-shaking-basic/snapshot/snap.diff

@@ -1,23 +1,17 @@
 --- expected
 +++ actual
-@@ -3,12 +3,39 @@
+@@ -3,12 +3,33 @@
  ---
  ```js title=main.js
  (self['webpackChunkwebpack'] = self['webpackChunkwebpack'] || []).push([["main"], {
 +"./a/aaa.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
 +'use strict';
 +__webpack_require__.r(__webpack_exports__);
-+__webpack_require__.d(__webpack_exports__, {
-+  'aaa': function() { return aaa; }
-+});
 + function aaa() {}
 +},
 +"./a/bbb.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
 +'use strict';
 +__webpack_require__.r(__webpack_exports__);
-+__webpack_require__.d(__webpack_exports__, {
-+  'bbb': function() { return bbb; }
-+});
 + function bbb() {}
 +},
 +"./a/index.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
@@ -40,3 +34,13 @@
 
   const answer = 42;
  },
+@@ -32,9 +53,6 @@
+ "./lib.js": function (__unused_webpack_module, __webpack_exports__, __webpack_require__) {
+ 'use strict';
+ __webpack_require__.r(__webpack_exports__);
+-__webpack_require__.d(__webpack_exports__, {
+-  'myanswer': function() { return myanswer; }
+-});
+  const myanswer = 'anyser';
+ },
+

crates/rspack/tests/tree-shaking/class-extend/snapshot/new_treeshaking.snap

@@ -7,7 +7,6 @@ source: crates/rspack_testing/src/run_fixture.rs
 'use strict';
 __webpack_require__.r(__webpack_exports__);
 __webpack_require__.d(__webpack_exports__, {
-  'Lib': function() { return Lib; },
   'v': function() { return v; }
 });
 /* harmony import */var _lib__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./lib */"./lib.js");

crates/rspack/tests/tree-shaking/class-extend/snapshot/snap.diff

@@ -1,11 +1,6 @@
 --- expected
 +++ actual
-@@ -7,15 +7,16 @@
- 'use strict';
- __webpack_require__.r(__webpack_exports__);
- __webpack_require__.d(__webpack_exports__, {
-+  'Lib': function() { return Lib; },
-   'v': function() { return v; }
+@@ -11,11 +11,11 @@
  });
  /* harmony import */var _lib__WEBPACK_IMPORTED_MODULE_0_ = __webpack_require__(/* ./lib */"./lib.js");
 
@@ -19,7 +14,7 @@
      };
  }
   const v = _lib__WEBPACK_IMPORTED_MODULE_0_.value;
-@@ -31,6 +32,7 @@
+@@ -31,6 +31,7 @@
  'use strict';
  __webpack_require__.r(__webpack_exports__);
  __webpack_require__.d(__webpack_exports__, {

crates/rspack/tests/tree-shaking/conflicted_name_by_re_export_all_should_be_hidden/snapshot/new_treeshaking.snap

@@ -6,18 +6,11 @@ source: crates/rspack_testing/src/run_fixture.rs
 "./bar.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; }
-});
  const a = 'bar';
 },
 "./foo.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 = 'foo';
  const b = 'foo';
 },