fix(config): snapshot config

packages/rspack-test-tools/tests/configCases/cache/issues-6381/a/a.js

@@ -0,0 +1 @@
+export default 1;

packages/rspack-test-tools/tests/configCases/cache/issues-6381/index.js

@@ -0,0 +1,5 @@
+const a = "a";
+import(`./a/${a}.js`);
+it("should work when snapshot.module or snapshot.resolve only set { timestamp: true }", () => {
+	expect(require("./a/a").default).toBe(1);
+});

packages/rspack-test-tools/tests/configCases/cache/issues-6381/webpack.config.js

@@ -0,0 +1,11 @@
+module.exports = {
+	cache: true,
+  snapshot: {
+		module: {
+			timestamp: true,
+		},
+		resolve: {
+			timestamp: true,
+		},
+  },
+};

packages/rspack/src/config/defaults.ts

@@ -191,16 +191,26 @@ const applySnapshotDefaults = (
 	snapshot: SnapshotOptions,
 	{ production }: { production: boolean }
 ) => {
-	F(snapshot, "module", () =>
-		production
-			? { timestamp: true, hash: true }
-			: { timestamp: true, hash: false }
-	);
-	F(snapshot, "resolve", () =>
-		production
-			? { timestamp: true, hash: true }
-			: { timestamp: true, hash: false }
-	);
+	if (typeof snapshot.module === "object") {
+		D(snapshot.module, "timestamp", false);
+		D(snapshot.module, "hash", false);
+	} else {
+		F(snapshot, "module", () =>
+			production
+				? { timestamp: true, hash: true }
+				: { timestamp: true, hash: false }
+		);
+	}
+	if (typeof snapshot.resolve === "object") {
+		D(snapshot.resolve, "timestamp", false);
+		D(snapshot.resolve, "hash", false);
+	} else {
+		F(snapshot, "resolve", () =>
+			production
+				? { timestamp: true, hash: true }
+				: { timestamp: true, hash: false }
+		);
+	}
 };
 
 const applyJavascriptParserOptionsDefaults = (