pnpm why

    Show the dependency tree for the specified package on every package in subdirectories or on every workspace package when executed inside a workspace.

    --json

    Show information in JSON format.

    --long

    Show parseable output instead of tree view.

    --global, -g

    List packages in the global install directory instead of in the current project.

    --prod, -P

    Only display the dependency tree for packages in devDependencies.

    --only-projects

    Added in: v7.22.0

    --filter <package_selector>

    Read more about filtering.