wip: migrate to bun

test/once.spec.ts

@@ -0,0 +1,36 @@
+import assert from 'node:assert';
+import { _ } from './utils';
+
+describe('once', () => {
+    it('should invoke `func` once', () => {
+        let count = 0,
+            once = _.once(() => ++count);
+
+        once();
+        assert.strictEqual(once(), 1);
+        assert.strictEqual(count, 1);
+    });
+
+    it('should ignore recursive calls', () => {
+        let count = 0;
+
+        var once = _.once(() => {
+            once();
+            return ++count;
+        });
+
+        assert.strictEqual(once(), 1);
+        assert.strictEqual(count, 1);
+    });
+
+    it('should not throw more than once', () => {
+        const once = _.once(() => {
+            throw new Error();
+        });
+
+        assert.throws(once);
+
+        once();
+        assert.ok(true);
+    });
+});