Prettier

Prettier ended the "Style Wars". It accepts your code and reprints it with its own rules. v3.x runs as ESM and supports plugins.

When to Use

• Always: Every project should have a formatter.
• Collaborating: Eliminates "nitpick" comments in PRs about whitespace.

Core Concepts

Opinionated

Few options. Print width, tab width, semi, quotes. That's it.

Editor Integration

"Format on Save".