wip: migrate to bun

test/isNumber.spec.ts

@@ -0,0 +1,39 @@
+import assert from 'node:assert';
+import lodashStable from 'lodash';
+import { falsey, args, slice, symbol, realm } from './utils';
+import isNumber from '../src/isNumber';
+
+describe('isNumber', () => {
+    it('should return `true` for numbers', () => {
+        assert.strictEqual(isNumber(0), true);
+        assert.strictEqual(isNumber(Object(0)), true);
+        assert.strictEqual(isNumber(NaN), true);
+    });
+
+    it('should return `false` for non-numbers', () => {
+        const expected = lodashStable.map(falsey, (value) => typeof value === 'number');
+
+        const actual = lodashStable.map(falsey, (value, index) =>
+            index ? isNumber(value) : isNumber(),
+        );
+
+        assert.deepStrictEqual(actual, expected);
+
+        assert.strictEqual(isNumber(args), false);
+        assert.strictEqual(isNumber([1, 2, 3]), false);
+        assert.strictEqual(isNumber(true), false);
+        assert.strictEqual(isNumber(new Date()), false);
+        assert.strictEqual(isNumber(new Error()), false);
+        assert.strictEqual(isNumber(slice), false);
+        assert.strictEqual(isNumber({ a: 1 }), false);
+        assert.strictEqual(isNumber(/x/), false);
+        assert.strictEqual(isNumber('a'), false);
+        assert.strictEqual(isNumber(symbol), false);
+    });
+
+    it('should work with numbers from another realm', () => {
+        if (realm.number) {
+            assert.strictEqual(isNumber(realm.number), true);
+        }
+    });
+});