mkdir with recursive flag (regression since 1.1.42) throws error when directory exists

[sculpt0r]

What version of Bun is running?

1.1.44+ec11ea4e7

What platform is your computer?

Darwin 24.2.0 arm64 arm / oven/bun:1.1.44

What steps can reproduce the bug?

import {mkdir} from "fs/promises";

await mkdir('cat');
await mkdir('cat', { recursive: true });

What is the expected behavior?

With recursive set on true the error message should not be thrown to the user.

What do you see instead?

EEXIST: file already exists, mkdir 'cat'
    path: "cat",
 syscall: "mkdir",
   errno: -17,
    code: "EEXIST"

Additional information

This works fine in bun:1.1.42.

According to node compatibility: expected behaviour is to not see an error when recursive flag is set.

[Jarred-Sumner]

This will be fixed in Bun v1.1.45

[sroussey]

I get the error still in 1.1.45

[Jarred-Sumner]

the test only covered 2+ levels of directories and not 1-2

[RiskyMH]

Fixed by @dylan-conway in #16497. The fix will be included in Bun v1.1.46 which releases very soon.

You can also try update via canary bun upgrade --canary if can't wait