fix: handle complex Map keys;

- See #9
lukeed · Jan 11, 2020 · eabd71f · eabd71f
1 parent 4bc29f0
commit eabd71f
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Showing 2 changed files with 18 additions and 1 deletion.
diff --git a/src/index.js b/src/index.js
@@ -30,7 +30,7 @@ export default function klona(x) {
 	if (str === '[object Map]') {
 		tmp = new Map();
 		x.forEach(function (val, key) {
-			tmp.set(key, klona(val));
+			tmp.set(klona(key), klona(val));
 		});
 		return tmp;
 	}

diff --git a/test/index.js b/test/index.js
@@ -176,6 +176,23 @@ test('map :: nested', t => {
 });
 
 
+test('map :: nested :: keys', t => {
+	const input = new Map([
+		[{ foo:1 }, { a: 1 }]
+	]);
+
+	const output = klona(input);
+	t.deepEqual(input, output);
+
+	[...output.keys()][0].bar = 2;
+
+	t.deepEqual([...input.keys()][0], { foo:1 });
+	t.deepEqual([...output.keys()][0], { foo:1, bar:2 });
+
+	t.end();
+});
+
+
 test('null', t => {
 	let input = null;
 	let output = klona(input);