This content originally appeared on DEV Community and was authored by Vineeth pawar R
When you hear “Scalable Design System with a Monorepo Ecosystem” it might sound like a stack of buzzwords glued together. Let’s simplify:
- Design system → the building blocks of your product (buttons, inputs, styles, tokens, patterns).
- Monorepo → one big repo with multiple packages living together, sharing tooling and workflows.
Now here’s the magic: when you combine them, you get modularity, consistency, and a faster development cycle. Basically the dream setup for teams working across web, mobile, and beyond.
Who’s Already Doing This?
Turns out, some of the biggest design systems you’ve heard of run inside monorepos:
- Microsoft Fluent UI: lives in a multi-package monorepo that ships React components, Web Components, and even design tokens.
-
IBM Carbon: multiple packages like
@carbon/ibm-productscome straight out of their Carbon monorepo. - Shopify Polaris: openly describes itself as a monorepo, packaging React components, docs, and even a VS Code extension.
-
Atlassian Atlaskit: their public
@atlaskit/*packages are published from a large internal monorepo. - MUI (Material UI): maintained as a mono-repository to coordinate React components, tooling, and docs.
- Elastic EUI: developed and released from a single repo, with discussions about monorepo publishing flows.
Why It Works
- Consistency: tokens, styles, and primitives are defined once and flow everywhere.
- Faster iteration: fix a bug in Button → updates cascade to mobile, desktop, and docs instantly.
- Shared tooling: linting, tests, CI pipelines, release workflows, configured once, applied to all packages.
- Versioning control: with tools like Changesets or Lerna, you can release packages independently but keep them aligned.
- Cross-platform flexibility: the same building blocks can power React web apps, React Native, Electron apps, SDKs, and documentation sites.
Think of It Like a Ladder 🪜
At the base, you’ve got primitives (tokens, styles).
Above that: plugins (utility helpers).
Then come layouts, built from plugins + primitives.
Then screens, built from layouts.
Finally, navigators tie screens together.
At the very top: your app imports just one package, and boom—the UI is environment-agnostic.
Whether it’s web, desktop, or mobile, the design system climbs that same ladder.
Should You Go Monorepo?
Not every team needs one. But if you’re building a design system meant to:
- serve multiple apps,
- stay consistent across platforms,
- support lots of contributors…
then a monorepo becomes less of a buzzword, more of a sanity-saver.
Wrapping Up
A monorepo won’t magically make your design system perfect. But it does give you:
- A shared space where everything connects,
- The agility to publish parts independently,
- The clarity to scale design across teams and platforms.
No wonder the biggest design systems in the world are already doing it.
This content originally appeared on DEV Community and was authored by Vineeth pawar R
Vineeth pawar R | Sciencx (2025-08-28T16:27:27+00:00) Why So Many Design Systems Live in Monorepo. Retrieved from https://www.scien.cx/2025/08/28/why-so-many-design-systems-live-in-monorepo/
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