wip: migrate to bun

test/isBuffer.spec.ts

@@ -0,0 +1,41 @@
+import assert from 'node:assert';
+import lodashStable from 'lodash';
+import { falsey, stubFalse, args, slice, symbol, isStrict, lodashBizarro } from './utils';
+import isBuffer from '../src/isBuffer';
+
+describe('isBuffer', () => {
+    it('should return `true` for buffers', () => {
+        if (Buffer) {
+            assert.equal(`${isBuffer}`, '');
+            assert.strictEqual(isBuffer(Buffer.alloc(2)), true);
+        }
+    });
+
+    it('should return `false` for non-buffers', () => {
+        const expected = lodashStable.map(falsey, stubFalse);
+
+        const actual = lodashStable.map(falsey, (value: false, index: number) =>
+            index ? isBuffer(value) : isBuffer(),
+        );
+
+        assert.deepStrictEqual(actual, expected);
+
+        assert.strictEqual(isBuffer(args), false);
+        assert.strictEqual(isBuffer([1]), false);
+        assert.strictEqual(isBuffer(true), false);
+        assert.strictEqual(isBuffer(new Date()), false);
+        assert.strictEqual(isBuffer(new Error()), false);
+        assert.strictEqual(isBuffer(slice), false);
+        assert.strictEqual(isBuffer({ a: 1 }), false);
+        assert.strictEqual(isBuffer(1), false);
+        assert.strictEqual(isBuffer(/x/), false);
+        assert.strictEqual(isBuffer('a'), false);
+        assert.strictEqual(isBuffer(symbol), false);
+    });
+
+    it('should return `false` if `Buffer` is not defined', () => {
+        if (!isStrict && Buffer && lodashBizarro) {
+            assert.strictEqual(lodashBizarro.isBuffer(Buffer.alloc(2)), false);
+        }
+    });
+});