What is react.dev built with?

react.dev is a JavaScript repo built with React and Next.js. It makes its content with unist-util-visit, gray-matter, mdast-util-to-string, remark, remark-frontmatter, and 5 more. It has 49,992 written lines, with 1 test file.

Read on November 12, 2026, at commit 46a54e0. Read it as markdown

The card says what it's built with. Its whole map opens it up: every part of the code and how it connects to the rest.

Frontend

The base 2

Styles 3

Interface 5

Support

Content 10

Tools 5

  • Babel1 file
  • ESLint1 file
  • eslint-plugin-react-hooks1 file
  • MDX1 file
  • Metro1 file

Other 3

  • debounce1 file
  • github-slugger1 file
  • parse-numeric-range1 file

Other repos with a similar stack

Ordered by how much of its stack they share with react.dev, then by stars.

Frequently asked questions

What language is react.dev written in?
react.dev is written in JavaScript, with 49,992 written lines.
What framework does react.dev use?
react.dev is built with React and Next.js.

The proof: in package.json

Does react.dev have tests?
Yes. react.dev has 1 test file.
Which repos have a stack like react.dev's?
The ones that share most of its stack:supabase/supabasebytedance/deer-flowRSSNext/Folo

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