Micro Frontends

Lerna (Jan16)

https://github.com/lerna/lerna

Yarn workspaces (Mar19)

doesn't compete with Lerna. Lerna will use Yarn's workspaces if pos. Lerna's like a high-level layer on top of the low-level Yarn implementation

Old docs:

the low-level primitives that tools like Lerna can (and do!) use. They will never try to support the high-level feature that Lerna offers, but by implementing the core logic of the resolution and linking steps inside Yarn itself we hope to enable new usages and improve performance

Webpack - Module Federation (

Motivation