fix(53204): call __runInitializers after super() call

a-tarasyuk · a-tarasyuk · commit 71f24f3d7473 · 2023-03-15T17:13:28.000+02:00
diff --git a/src/compiler/transformers/esDecorators.ts b/src/compiler/transformers/esDecorators.ts
@@ -1072,8 +1072,8 @@ export function transformESDecorators(context: TransformationContext): (x: Sourc
             if (initializerStatements) {
                 const statements: Statement[] = [];
                 const nonPrologueStart = factory.copyPrologue(node.body.statements, statements, /*ensureUseStrict*/ false, visitor);
-                addRange(statements, initializerStatements);
                 addRange(statements, visitNodes(node.body.statements, visitor, isStatement, nonPrologueStart));
+                addRange(statements, initializerStatements);
                 body = factory.createBlock(statements, /*multiLine*/ true);
                 setOriginalNode(body, node.body);
                 setTextRange(body, node.body);
diff --git a/tests/baselines/reference/esDecorators-classExpression-classSuper.7.js b/tests/baselines/reference/esDecorators-classExpression-classSuper.7.js
@@ -0,0 +1,44 @@
+//// [esDecorators-classExpression-classSuper.7.ts]
+class A {}
+class B extends A {
+	public constructor() {
+		super();
+	}
+
+	@foo
+	public m(): void {}
+}
+
+function foo(method: any, _context: any): any {
+	return function (this: any) {
+		method.call(this);
+	};
+}
+
+new B();
+
+
+//// [esDecorators-classExpression-classSuper.7.js]
+class A {
+}
+let B = (() => {
+    let _instanceExtraInitializers = [];
+    let _m_decorators;
+    return class B extends A {
+        static {
+            _m_decorators = [foo];
+            __esDecorate(this, null, _m_decorators, { kind: "method", name: "m", static: false, private: false, access: { has: obj => "m" in obj, get: obj => obj.m } }, null, _instanceExtraInitializers);
+        }
+        constructor() {
+            super();
+            __runInitializers(this, _instanceExtraInitializers);
+        }
+        m() { }
+    };
+})();
+function foo(method, _context) {
+    return function () {
+        method.call(this);
+    };
+}
+new B();
diff --git a/tests/cases/conformance/esDecorators/classExpression/classSuper/esDecorators-classExpression-classSuper.7.ts b/tests/cases/conformance/esDecorators/classExpression/classSuper/esDecorators-classExpression-classSuper.7.ts
@@ -0,0 +1,21 @@
+// @target: es2022
+// @noEmitHelpers: true
+// @noTypesAndSymbols: true
+
+class A {}
+class B extends A {
+	public constructor() {
+		super();
+	}
+
+	@foo
+	public m(): void {}
+}
+
+function foo(method: any, _context: any): any {
+	return function (this: any) {
+		method.call(this);
+	};
+}
+
+new B();
