fix: deepmergeInto unsafe key value assignment

RebeccaStevens · May 20, 2024 · 6b04863 · 6b04863
1 parent b40278f
commit 6b04863
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Showing 2 changed files with 1 addition and 5 deletions.
diff --git a/src/defaults/into.ts b/src/defaults/into.ts
@@ -61,7 +61,7 @@ export function mergeRecords<
     );
 
     if (key === "__proto__") {
-      Object.defineProperty(m_target, key, {
+      Object.defineProperty(m_target.value, key, {
         value: propertyTarget.value,
         configurable: true,
         enumerable: true,

diff --git a/tests/deepmerge-into.test.ts b/tests/deepmerge-into.test.ts
@@ -591,10 +591,6 @@ describe("deepmergeInto", () => {
     const target = {};
     deepmergeInto(target, a, b);
     expect(target).toStrictEqual(expected);
-
-    expect(() => {
-      deepmergeInto(a, b);
-    }).toThrowError();
   });
 
   it("prototype pollution", () => {