[BUG] lifecycle scripts not run in workspace packages after install

[peterjuras]

Current Behavior:

When running npm install in a workspace root, prepare scripts of individual workspace packages are not run.

Expected Behavior:

The expectation would be that running npm install in a workspace root would be at least equal to running npm install in each individual package (ignoring the additional benefits like hoisting for now).

Steps To Reproduce:

1. Create a workspace with 2 child packages, or clone this sample repository
2. Run npm install in the root folder

-> All packages have a prepare script that creates a file in their folder, but only the root prepare script is run. When running npm install in a child package the prepare script is run for this child package.

According to the workspaces RFC all dependencies of nested packages should be installed - which is the case - but also all associated lifecycle scripts should be run, which is not the case yet.

A workaround would be to have a top level prepare script which runs the prepare scripts of nested packages, hopefully soon with a run-script command as detailed in the newer workspaces RFC.

Environment:

OS: independent
Node: v12.18.4
npm: 7.0.0

[ruyadorno]

Hi @peterjuras, thanks for the report! We do have a patch lined up already and should land hopefully in the next patch release, just want to make sure it gets some more testing prior to landing it 😊 I'll keep you posted 👍

[peterjuras]

Thanks for the quick response. I'm looking forward to using npm 7 in more of our repositories.

[felschr]

Has this been released? It doesn't seem to work for me with npm@7.3.0.

[emccorson]

@felschr I think this was released in arborist@2.2.0 but npm@7.5.2 is still locked to arborist@2.1.1.