Prettier is quite useful for format your code automatically, making you concern only with coding (which is what really matters)
ESLint has some personal rules, that makes your code have a particular pattern, where you can configure everything that you and the whole team will whose in project by default
Sometimes, you use prettier, and it has a personal pattern to deal with the styleguide. And those rules and patterns could conflict with project's ESLint rules. Looking at this problem, you can follow below some steps to configure a kind of integration between both tools.