wip: migrate to bun

test/isLength.spec.ts

@@ -0,0 +1,22 @@
+import assert from 'node:assert';
+import lodashStable from 'lodash';
+import { MAX_SAFE_INTEGER, stubTrue, stubFalse } from './utils';
+import isLength from '../src/isLength';
+
+describe('isLength', () => {
+    it('should return `true` for lengths', () => {
+        const values = [0, 3, MAX_SAFE_INTEGER],
+            expected = lodashStable.map(values, stubTrue),
+            actual = lodashStable.map(values, isLength);
+
+        assert.deepStrictEqual(actual, expected);
+    });
+
+    it('should return `false` for non-lengths', () => {
+        const values = [-1, '1', 1.1, MAX_SAFE_INTEGER + 1],
+            expected = lodashStable.map(values, stubFalse),
+            actual = lodashStable.map(values, isLength);
+
+        assert.deepStrictEqual(actual, expected);
+    });
+});