webpack · scameron · Feb 12, 2025 · Feb 12, 2025 · Feb 12, 2025
diff --git a/lib/ExportsInfo.js b/lib/ExportsInfo.js
@@ -395,6 +395,33 @@ class ExportsInfo {
 		return changed;
 	}

+	/**
+	 * @param {RuntimeSpec} runtime the runtime
+	 * @returns {boolean} true, when something changed
+	 */
+	setUsedAsExportObject(runtime) {
+		let changed = false;
+		for (const exportInfo of this._exports.values()) {
+			if (exportInfo.setUsedAsExportObject(runtime)) {
+				changed = true;
+			}
+		}
+		if (this._redirectTo !== undefined) {
+			if (this._redirectTo.setUsedAsExportObject(runtime)) {
+				changed = true;
+			}
+		} else if (
+			this._otherExportsInfo.setUsedConditionally(
+				used => used !== UsageState.Used,
+				UsageState.Used,
+				runtime
+			)
+		) {
+			changed = true;
+		}
+		return changed;
+	}
+
 	/**
 	 * @param {RuntimeSpec} runtime the runtime
 	 * @returns {boolean} true, when something changed
@@ -966,6 +993,24 @@ class ExportInfo {
 		return changed;
 	}

+	/**
+	 * @param {RuntimeSpec} runtime only apply to this runtime
+	 * @returns {boolean} true, when something changed
+	 */
+	setUsedAsExportObject(runtime) {
+		let changed = false;
+		if (
+			this.setUsedConditionally(
+				used => used !== UsageState.Used,
+				UsageState.Used,
+				runtime
+			)
+		) {
+			changed = true;
+		}
+		return changed;
+	}
+
 	/**
 	 * @param {RuntimeSpec} runtime only apply to this runtime
 	 * @returns {boolean} true, when something changed

diff --git a/lib/FlagDependencyUsagePlugin.js b/lib/FlagDependencyUsagePlugin.js
@@ -90,7 +90,7 @@ class FlagDependencyUsagePlugin {
 									canMangle = usedExportInfo.canMangle !== false;
 								}
 								if (usedExport.length === 0) {
-									if (exportsInfo.setUsedInUnknownWay(runtime)) {
+									if (exportsInfo.setUsedAsExportObject(runtime)) {
 										queue.enqueue(module, runtime);
 									}
 								} else {

diff --git a/lib/optimize/MangleExportsPlugin.js b/lib/optimize/MangleExportsPlugin.js
@@ -23,8 +23,6 @@ const { compareSelect, compareStringsNumeric } = require("../util/comparators");
 * @returns {boolean} mangle is possible
 */
 const canMangle = exportsInfo => {
-	if (exportsInfo.otherExportsInfo.getUsed(undefined) !== UsageState.Unused)
-		return false;
 	let hasSomethingToMangle = false;
 	for (const exportInfo of exportsInfo.exports) {
 		if (exportInfo.canMangle === true) {