Have you tried latest version of polars?

• [yes]

What version of polars are you using?

0.21.0

What operating system are you using polars on?

Ubuntu 24.04

What node version are you using

24.5

Describe your bug.

The nodejs-polars implementation misses these sink methods:

• sinkJSON (https://github.com/pola-rs/polars/blob/97fb4c8a49f259b3d614a6f1f3c58994bda5d7eb/crates/polars-lazy/src/frame/mod.rs#L939)
• sinkIPC (https://github.com/pola-rs/polars/blob/97fb4c8a49f259b3d614a6f1f3c58994bda5d7eb/crates/polars-lazy/src/frame/mod.rs#L901)