ts-node assumes things

[vdegenne]

Sorry more of a newbie question I guess but recently I've updated things into my computer and one of my project using ts-node stopped to work.

After pushing some buttons and pulling some strings things got back to normal.
But now I have "type": "module" in my package.json
and I have to use ts-node-esm.

Firstly, why do I need to use ts-node-esm because type module is explicitly stated into package.json ?

But more importantly, why ts-node assume my project is commonjs while my files are literally using esm imports?
I usually use TypeScript for front-end development and never have I had to explicitly state the module of my source code.

I am asking because now I am not sure if it's intended behavior or if I am doing something wrong.

Thanks for your support.