このエラーメッセージに関する原因と対処に関して説明します。
エラーメッセージ(英語):
why is not multithreaded
対処
関連リンク
Why doesn't JavaScript support multithreading? - Stack Overflowstackoverflow.com/.../why-doesnt-javascript-support-m...
https://stackoverflow.com/questions/39879/why-doesnt-javascript-support-multithreading
is it possible to achieve multithreading in nodejs?
https://stackoverflow.com/questions/40028377/is-it-possible-to-achieve-multithreading-in-nodejs
JavaScript and Threads
https://stackoverflow.com/questions/30036/javascript-and-threads