feat: return entries instead of values in toJSON method (#9345)

* feat(collection): return entries instead of values in toJSON method

* test: adjust test

---------

Co-authored-by: Jiralite <33201955+Jiralite@users.noreply.github.com>
Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

Author: 3 people

packages/collection/__tests__/collection.test.ts

@@ -828,9 +828,14 @@ describe('tap() tests', () => {
 });
 
 describe('toJSON() tests', () => {
-	test('it returns the values as an array', () => {
+	test('it returns the entries of the collection', () => {
 		const c = createTestCollection();
-		expect(c.toJSON()).toStrictEqual([1, 2, 3]);
+
+		expect(c.toJSON()).toStrictEqual([
+			['a', 1],
+			['b', 2],
+			['c', 3],
+		]);
 	});
 });
 

packages/collection/src/collection.ts

@@ -933,7 +933,7 @@ export class Collection<K, V> extends Map<K, V> {
 
 	public toJSON() {
 		// toJSON is called recursively by JSON.stringify.
-		return [...this.values()];
+		return [...this.entries()];
 	}
 
 	private static defaultSort<V>(firstValue: V, secondValue: V): number {