wip: migrate to bun

test/invert.spec.ts

@@ -0,0 +1,30 @@
+import assert from 'node:assert';
+import invert from '../src/invert';
+
+describe('invert', () => {
+    it('should invert an object', () => {
+        const object = { a: 1, b: 2 },
+            actual = invert(object);
+
+        assert.deepStrictEqual(actual, { '1': 'a', '2': 'b' });
+        assert.deepStrictEqual(invert(actual), { a: '1', b: '2' });
+    });
+
+    it('should work with values that shadow keys on `Object.prototype`', () => {
+        const object = { a: 'hasOwnProperty', b: 'constructor' };
+        assert.deepStrictEqual(invert(object), { hasOwnProperty: 'a', constructor: 'b' });
+    });
+
+    it('should work with an object that has a `length` property', () => {
+        const object = { '0': 'a', '1': 'b', length: 2 };
+        assert.deepStrictEqual(invert(object), { a: '0', b: '1', '2': 'length' });
+    });
+
+    it('should return a wrapped value when chaining', () => {
+        const object = { a: 1, b: 2 },
+            wrapped = _(object).invert();
+
+        assert.ok(wrapped instanceof _);
+        assert.deepEqual(wrapped.value(), { '1': 'a', '2': 'b' });
+    });
+});