Index: frontend/node_modules/safe-push-apply/test/index.js
===================================================================
--- frontend/node_modules/safe-push-apply/test/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/safe-push-apply/test/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,30 @@
+'use strict';
+
+var test = require('tape');
+
+var safePushApply = require('../');
+
+test('safe-push-apply', function (t) {
+	t.equal(typeof safePushApply, 'function', 'is a function');
+	t.equal(safePushApply.length, 2, 'has a length of 2');
+
+	t['throws'](
+		// @ts-expect-error
+		function () { safePushApply({}, []); },
+		TypeError,
+		'throws if target is not an array'
+	);
+
+	var a = [1, 2];
+	var b = [3, 4];
+	safePushApply(a, b);
+	t.deepEqual(a, [1, 2, 3, 4], 'b is pushed into a');
+	t.deepEqual(b, [3, 4], 'b is not modified');
+
+	var c = '567';
+	// @ts-expect-error TS ArrayLike doesn't accept strings for some reason
+	safePushApply(a, c);
+	t.deepEqual(a, [1, 2, 3, 4, '5', '6', '7'], 'works with arraylike source');
+
+	t.end();
+});