fix(es): Respect the value of assumptions (#7065)

Author: magic-akari

crates/swc/src/config/mod.rs

@@ -362,10 +362,10 @@ impl Options {
         // We do this before creating custom passes, so custom passses can use the
         // variable management system based on the syntax contexts.
         if syntax.typescript() {
-            assumptions.set_class_methods = !transform.use_define_for_class_fields.into_bool();
+            assumptions.set_class_methods |= !transform.use_define_for_class_fields.into_bool();
         }
 
-        assumptions.set_public_class_fields = !transform.use_define_for_class_fields.into_bool();
+        assumptions.set_public_class_fields |= !transform.use_define_for_class_fields.into_bool();
 
         program.visit_mut_with(&mut resolver(
             unresolved_mark,

crates/swc/tests/fixture/issues-1xxx/1278/output/index.ts

@@ -2,7 +2,6 @@
 Object.defineProperty(exports, "__esModule", {
     value: true
 });
-const _defineProperty = require("@swc/helpers/lib/_define_property.js").default;
 const _tsDecorate = require("@swc/helpers/lib/_ts_decorate.js").default;
 const _tsMetadata = require("@swc/helpers/lib/_ts_metadata.js").default;
 function MyDecorator(klass) {
@@ -12,9 +11,6 @@ function MyDecorator(klass) {
     };
 }
 class MyClass {
-    constructor(){
-        _defineProperty(this, "prop", void 0);
-    }
 }
 _tsDecorate([
     MyDecorator(MyClass),

crates/swc/tests/fixture/issues-2xxx/2011/no-minify/output/index.js

@@ -1,4 +1,3 @@
-import _define_property from "@swc/helpers/src/_define_property.mjs";
 var _ClassB;
 var ClassA = function ClassA() {
     "use strict";
@@ -11,4 +10,6 @@ module.exports = (_ClassB = /*#__PURE__*/ function() {
         this.bb = new ClassB.MyA();
     };
     return ClassB;
-}(), _define_property(_ClassB, "MyA", ClassA), _ClassB);
+}(), function() {
+    _ClassB.MyA = ClassA;
+}(), _ClassB);

crates/swc/tests/fixture/issues-2xxx/2011/reduced/output/index.js

@@ -1,9 +1,8 @@
 var t;
-import r from "@swc/helpers/src/_define_property.mjs";
-module.exports = (r(t = function() {
+module.exports = ((t = function() {
     "use strict";
     function t() {}
     return t.prototype.it = function() {
         this.bb = new t.MyA();
     }, t;
-}(), "MyA", function() {}), t);
+}()).MyA = function() {}, t);

crates/swc/tests/fixture/issues-2xxx/2216/output/index.ts

@@ -1,12 +1,7 @@
-import _create_class from "@swc/helpers/src/_create_class.mjs";
 export var ATestForSwc = /*#__PURE__*/ function() {
     "use strict";
     function ATestForSwc() {}
-    _create_class(ATestForSwc, [
-        {
-            key: "testMethod",
-            value: function testMethod() {}
-        }
-    ]);
+    var _proto = ATestForSwc.prototype;
+    _proto.testMethod = function testMethod() {};
     return ATestForSwc;
 }();