wip: migrate to bun

test/negate.spec.ts

@@ -0,0 +1,50 @@
+import assert from 'node:assert';
+import lodashStable from 'lodash';
+import { _, isEven, stubTrue } from './utils';
+
+describe('negate', () => {
+    it('should create a function that negates the result of `func`', () => {
+        const negate = _.negate(isEven);
+
+        assert.strictEqual(negate(1), true);
+        assert.strictEqual(negate(2), false);
+    });
+
+    it('should create a function that negates the result of `func`', () => {
+        const negate = _.negate(isEven);
+
+        assert.strictEqual(negate(1), true);
+        assert.strictEqual(negate(2), false);
+    });
+
+    it('should create a function that accepts multiple arguments', () => {
+        let argCount,
+            count = 5,
+            negate = _.negate(function () {
+                argCount = arguments.length;
+            }),
+            expected = lodashStable.times(count, stubTrue);
+
+        const actual = lodashStable.times(count, (index) => {
+            switch (index) {
+                case 0:
+                    negate();
+                    break;
+                case 1:
+                    negate(1);
+                    break;
+                case 2:
+                    negate(1, 2);
+                    break;
+                case 3:
+                    negate(1, 2, 3);
+                    break;
+                case 4:
+                    negate(1, 2, 3, 4);
+            }
+            return argCount == index;
+        });
+
+        assert.deepStrictEqual(actual, expected);
+    });
+});