Disallow features that aren't supported by your target browser audience.

Source code spell checker

Lightweight fuzzy-search, in JavaScript

A JavaScript bundle optimizer.

For slim progress bars like on YouTube, Medium, etc

Validate that your components can safely be updated with Fast Refresh

A visual tool for inspecting and understanding your ESLint flat configs.

The CLI tool to fix huge number of ESLint errors

A tool for analyzing the output of `tsc --generateTrace`

Open files in your editor at a specific line and column