Index: frontend/node_modules/is-weakmap/test/index.js
===================================================================
--- frontend/node_modules/is-weakmap/test/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/is-weakmap/test/index.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,59 @@
+'use strict';
+
+var test = require('tape');
+var debug = require('object-inspect');
+var forEach = require('for-each');
+
+var isWeakMap = require('..');
+
+test('non-collections', function (t) {
+	forEach([
+		null,
+		undefined,
+		true,
+		false,
+		42,
+		0,
+		-0,
+		NaN,
+		Infinity,
+		'',
+		'foo',
+		/a/g,
+		[],
+		{},
+		function () {}
+	], function (nonCollection) {
+		t.equal(isWeakMap(nonCollection), false, debug(nonCollection) + ' is not a WeakMap');
+	});
+
+	t.end();
+});
+
+test('Maps', { skip: typeof Map !== 'function' }, function (t) {
+	var m = new Map();
+	t.equal(isWeakMap(m), false, debug(m) + ' is not a WeakMap');
+
+	t.end();
+});
+
+test('Sets', { skip: typeof Set !== 'function' }, function (t) {
+	var s = new Set();
+	t.equal(isWeakMap(s), false, debug(s) + ' is not a WeakMap');
+
+	t.end();
+});
+
+test('WeakMaps', { skip: typeof WeakMap !== 'function' }, function (t) {
+	var wm = new WeakMap();
+	t.equal(isWeakMap(wm), true, debug(wm) + ' is a WeakMap');
+
+	t.end();
+});
+
+test('WeakSets', { skip: typeof WeakSet !== 'function' }, function (t) {
+	var ws = new WeakSet();
+	t.equal(isWeakMap(ws), false, debug(ws) + ' is not a WeakMap');
+
+	t.end();
+});