fix: global object conflicting property descriptors

__tests__/esm/import.test.ts

@@ -102,6 +102,26 @@ export default code
     expect(res.cwd).toBe(process.cwd())
   })
 
+  it('should work with provided globals defined by accessors in the current global', async () => {
+    const OriginalBuffer = Buffer
+    Object.defineProperty(global, 'Buffer', {
+      get: () => OriginalBuffer,
+      set: () => {
+        // ok
+      }
+    })
+    try {
+      const res = await importFromString('export const bufferType = typeof Buffer;', {
+        globals: { Buffer }
+      })
+      expect(res.bufferType).toBe('function')
+    } finally {
+      Object.defineProperty(global, 'Buffer', {
+        value: OriginalBuffer
+      })
+    }
+  })
+
   it('should have access the global object', async () => {
     const res = await importFromString('export const { greet } = global', {
       globals: { greet: 'hi' }

src/utils.ts

@@ -96,8 +96,13 @@ export const createGlobalObject = (globals: Context, useCurrentGlobal: boolean):
       })
   forEachPropertyKey(globals, propertyKey => {
     if (propertyKey in __GLOBAL__) {
+      const descriptor = Object.getOwnPropertyDescriptor(__GLOBAL__, propertyKey)
+      if (descriptor !== undefined) {
+        delete descriptor.get
+        delete descriptor.set
+      }
       Object.defineProperty(globalObject, propertyKey, {
-        ...Object.getOwnPropertyDescriptor(__GLOBAL__, propertyKey),
+        ...descriptor,
         value: globals[propertyKey as keyof Context]
       })
     } else {