YOU SAID:

So I mentally wrote it in JS, mentally (with SO and chatgpt help) converted it to rust, then HAD TO PORT IT BACK TO JS

INTO JAPANESE

だから私は頭の中でJSで書いて、頭の中で（SOとchatgptの助けを借りて）それをRustに変換し、その後JSに移植し直さなければなりませんでした。

BACK INTO ENGLISH

So I had to write it in JS in my head, convert it to Rust in my head (with help from SO and chatgpt), and then port it back to JS.

INTO JAPANESE

そのため、頭の中で JS で記述し、それを頭の中で Rust に変換し (SO と chatgpt の助けを借りて)、その後 JS に移植し直す必要がありました。

BACK INTO ENGLISH

So I had to write it in JS in my head, convert it to Rust in my head (with help from SO and chatgpt), and then port it back to JS.