What version of Bun is running?
1.0.30
What platform is your computer?
mac
What steps can reproduce the bug?
const params = new URLSearchParams('a=1&a=2&b=3');
params.delete('a', 1);
params.delete('b', undefined);
params + ''; // => '', should be 'a=2';
What is the expected behavior?
No response
What do you see instead?
No response
Additional information
It's supported in all browsers, Node, Deno, etc more than a year.