fix: mangle export with destructuring

lib/dependencies/HarmonyImportSpecifierDependency.js

@@ -192,7 +192,7 @@ class HarmonyImportSpecifierDependency extends HarmonyImportDependency {
 			for (const key of this.referencedPropertiesInDestructuring) {
 				refs.push({
 					name: ids ? ids.concat([key]) : [key],
-					canMangle: false
+					canMangle: Array.isArray(ids) && ids.length > 0
 				});
 			}
 			return refs;

test/configCases/mangle/mangle-with-destructuring-assignment/index.js

@@ -0,0 +1,21 @@
+import * as module from "./module";
+
+it("should not mangle export when destructuring module", () => {
+	const { obj: { a, b }, objCanMangle } = module
+	expect(a).toBe("a");
+	expect(b).toBe("b");
+	expect(objCanMangle).toBe(false)
+});
+
+it("should mangle export when destructuring module's porperty", () => {
+	const { a, b } = module.obj2
+	const { obj2CanMangle } = module
+	expect(a).toBe("a");
+	expect(b).toBe("b");
+	expect(obj2CanMangle).toBe(true)
+});
+
+it("should mangle export when using module dot property", () => {
+	expect(module.aaa).toBe("aaa");
+	expect(module.aaaCanMangle).toBe(true)
+});

test/configCases/mangle/mangle-with-destructuring-assignment/module.js

@@ -0,0 +1,8 @@
+export const aaa = "aaa";
+export const aaaCanMangle = __webpack_exports_info__.aaa.canMangle;
+
+export const obj = { a: "a", b: "b" }
+export const objCanMangle = __webpack_exports_info__.obj.canMangle;
+
+export const obj2 = { a: "a", b: "b" }
+export const obj2CanMangle = __webpack_exports_info__.obj2.canMangle;

test/configCases/mangle/mangle-with-destructuring-assignment/webpack.config.js

@@ -0,0 +1,8 @@
+/** @type {import("../../../../").Configuration} */
+module.exports = {
+	optimization: {
+		mangleExports: true,
+		usedExports: true,
+		providedExports: true
+	}
+};