Set your preferred tabs or spaces, quote style, semicolons, print width, and trailing commas, and the tool writes the matching .prettierrc.
No. Prettier only handles formatting (spacing, quotes, line width); ESLint handles code-quality rules. Most projects use both together.
Yes, as a starting point — adjust the values to match your actual project structure and tooling versions.
It follows the tool's documented format, but always run your build once after adding it to confirm your specific setup is happy.