From 7e1cfbfdc2358ee0d4cca60c5efce2736dd0efd3 Mon Sep 17 00:00:00 2001
From: YeonGyu-Kim <code.yeon.gyu@gmail.com>
Date: Sat, 30 May 2026 16:04:45 +0900
Subject: [PATCH] refactor(testing): extract mock restore exports

---
 src/testing/module-mock-lifecycle.ts       | 29 +---------------------
 src/testing/module-mock-restore-exports.ts | 27 ++++++++++++++++++++
 2 files changed, 28 insertions(+), 28 deletions(-)
 create mode 100644 src/testing/module-mock-restore-exports.ts

diff --git a/src/testing/module-mock-lifecycle.ts b/src/testing/module-mock-lifecycle.ts
index abeeb15a8..992888136 100644
--- a/src/testing/module-mock-lifecycle.ts
+++ b/src/testing/module-mock-lifecycle.ts
@@ -1,6 +1,7 @@
 import { createRequire } from "node:module"
 import { fileURLToPath } from "node:url"
 import { defaultGetCallerStack, resolveCallerUrlFromStack } from "./module-mock-stack"
+import { createRestoreExports } from "./module-mock-restore-exports"
 
 type MockModuleFactory = () => Record<string, unknown>
 
@@ -40,34 +41,6 @@ function toError(error: unknown): Error {
   return error instanceof Error ? error : new Error(String(error))
 }
 
-function isModuleExports(moduleValue: unknown): moduleValue is Record<string, unknown> {
-  return moduleValue !== null && typeof moduleValue === "object"
-}
-
-function isModuleNamespaceObject(moduleValue: Record<string, unknown>): boolean {
-  return Object.prototype.toString.call(moduleValue) === "[object Module]"
-}
-
-function createRestoreExports(moduleValue: unknown): Record<string, unknown> {
-  if (typeof moduleValue === "function") {
-    const functionExports = Object.assign({}, moduleValue)
-    return {
-      ...functionExports,
-      default: moduleValue,
-    }
-  }
-
-  if (isModuleExports(moduleValue)) {
-    if (isModuleNamespaceObject(moduleValue)) {
-      return { ...moduleValue }
-    }
-
-    return moduleValue
-  }
-
-  return { default: moduleValue }
-}
-
 function resolveWithBun(specifier: string, callerUrl: string): string {
   const callerDirectory = fileURLToPath(new URL(".", callerUrl))
   return Bun.resolveSync(specifier, callerDirectory)
diff --git a/src/testing/module-mock-restore-exports.ts b/src/testing/module-mock-restore-exports.ts
new file mode 100644
index 000000000..6b4e45796
--- /dev/null
+++ b/src/testing/module-mock-restore-exports.ts
@@ -0,0 +1,27 @@
+function isModuleExports(moduleValue: unknown): moduleValue is Record<string, unknown> {
+  return moduleValue !== null && typeof moduleValue === "object"
+}
+
+function isModuleNamespaceObject(moduleValue: Record<string, unknown>): boolean {
+  return Object.prototype.toString.call(moduleValue) === "[object Module]"
+}
+
+export function createRestoreExports(moduleValue: unknown): Record<string, unknown> {
+  if (typeof moduleValue === "function") {
+    const functionExports = Object.assign({}, moduleValue)
+    return {
+      ...functionExports,
+      default: moduleValue,
+    }
+  }
+
+  if (isModuleExports(moduleValue)) {
+    if (isModuleNamespaceObject(moduleValue)) {
+      return { ...moduleValue }
+    }
+
+    return moduleValue
+  }
+
+  return { default: moduleValue }
+}