From ba692feb49f2a70a2b24236774d6c806e2e24bf0 Mon Sep 17 00:00:00 2001
From: XiaoPi <530257315@qq.com>
Date: Mon, 17 Feb 2025 13:32:44 +0800
Subject: [PATCH] return UnknownValue if the usedbranch is unkown and the path
 is not empty (#5846)

---
 src/ast/nodes/LogicalExpression.ts                        | 2 +-
 .../logical-expression-with-property-access/_config.js    | 3 +++
 .../logical-expression-with-property-access/_expected.js  | 8 ++++++++
 .../logical-expression-with-property-access/main.js       | 6 ++++++
 4 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 test/form/samples/logical-expression-with-property-access/_config.js
 create mode 100644 test/form/samples/logical-expression-with-property-access/_expected.js
 create mode 100644 test/form/samples/logical-expression-with-property-access/main.js

diff --git a/src/ast/nodes/LogicalExpression.ts b/src/ast/nodes/LogicalExpression.ts
index d2eee96f2..ac0305c60 100644
--- a/src/ast/nodes/LogicalExpression.ts
+++ b/src/ast/nodes/LogicalExpression.ts
@@ -119,7 +119,7 @@ export default class LogicalExpression extends NodeBase implements Deoptimizable
 		if (usedBranch) {
 			this.expressionsToBeDeoptimized.push(origin);
 			return usedBranch.getLiteralValueAtPath(path, recursionTracker, origin);
-		} else if (!this.hasDeoptimizedCache) {
+		} else if (!this.hasDeoptimizedCache && !path.length) {
 			const rightValue = this.right.getLiteralValueAtPath(path, recursionTracker, origin);
 			const booleanOrUnknown = tryCastLiteralValueToBoolean(rightValue);
 			if (typeof booleanOrUnknown !== 'symbol') {
diff --git a/test/form/samples/logical-expression-with-property-access/_config.js b/test/form/samples/logical-expression-with-property-access/_config.js
new file mode 100644
index 000000000..b1636b09a
--- /dev/null
+++ b/test/form/samples/logical-expression-with-property-access/_config.js
@@ -0,0 +1,3 @@
+module.exports = defineTest({
+	description: 'keep logical expressions'
+});
diff --git a/test/form/samples/logical-expression-with-property-access/_expected.js b/test/form/samples/logical-expression-with-property-access/_expected.js
new file mode 100644
index 000000000..87feb1127
--- /dev/null
+++ b/test/form/samples/logical-expression-with-property-access/_expected.js
@@ -0,0 +1,8 @@
+const config = {
+	someComponent: { },
+	default: { config1: 'config1DefaultValue' }
+};
+
+var main = (config.someComponent || config.default).config1 || 'config1DefaultValue';
+
+export { main as default };
diff --git a/test/form/samples/logical-expression-with-property-access/main.js b/test/form/samples/logical-expression-with-property-access/main.js
new file mode 100644
index 000000000..0355da37f
--- /dev/null
+++ b/test/form/samples/logical-expression-with-property-access/main.js
@@ -0,0 +1,6 @@
+const config = {
+	someComponent: { someOtherConfig: false },
+	default: { config1: 'config1DefaultValue' }
+};
+
+export default (config.someComponent || config.default).config1 || 'config1DefaultValue';