Yarn Duplicate

A small tool to help you check duplicate package and package size in yarn.lock.

Usage

1. Change to your project root folder, which have a yarn.lock file.
2. npx yarn-duplicate

That's all!

PS: If you don't have npx installed, use:

npm install -g yarn-duplicate
yarn-duplicate

Caveats

Only support Yarn V1.x right now.

Showcase

Run duplicate check under redux source code

Meaning of columns:

• name: name of the npm package
• duplicates: times of the package duplicates
• sizeInBrowser-KB: package size in bowser by KB.

If there're no duplicate packages, the result would be: