Mika Epstein tackles the common concerns many people have about Gutenberg as its debut in WordPress 5.0 approaches. Most themes and plugins don’t interface with the post editor or custom meta boxes, so they will be fine. For those that do involve the editor interface or meta boxes, Mika notes it may be a bit of a rocky road. It’s true, however, that innovation is necessary and sometimes a little painful.
Hardeep Asrani over at codeinwp explains how to adapt your plugin to Gutenberg.
There have been a lot of articles recently, such as this one by Kevin Ball, that have focused on understanding higher order components in React and Gutenberg.