fix!: deepmerge of nothing now returns undefined

RebeccaStevens · Sep 13, 2021 · e7a2ade · e7a2ade
1 parent f1c4ba8
commit e7a2ade
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/deepmerge.ts b/src/deepmerge.ts
@@ -30,7 +30,7 @@ export function deepmerge(
   ...objects: Readonly<ReadonlyArray<unknown>>
 ): unknown {
   if (objects.length === 0) {
-    return {};
+    return undefined;
   }
   if (objects.length === 1) {
     return objects[0];

diff --git a/tests/deepmerge.test.ts b/tests/deepmerge.test.ts
@@ -2,9 +2,9 @@ import test from "ava";
 
 import { deepmerge } from "../src/deepmerge";
 
-test("return an empty object when nothing to merge", (t) => {
+test("return undefined when nothing to merge", (t) => {
   const merged = deepmerge();
-  t.deepEqual(merged, {});
+  t.is(merged, undefined);
 });
 
 test("return the same object if only 1 is passed", (t) => {