How can I implement session token authentication in react and node apps?

Hello,

I follow the tutorial about creating an Shopify apps with react and node. However the official tutorial was based on cookies.

I am now confused by all of those posts online about how to pass from cookies to sessions token authentification.

I follow this github exampe https://github.com/nprutan/shopify-cookieless-auth-demo however it’s not working. I wonder if someone have a github link or an example of implementation of sessions token in react + node ?

Thanks