While this explicitly calls out "postinstall", I'm pretty sure it affects other such lifecycle scripts like preinstall in dependencies.
The --ignore-scripts option will ignore lifecycle scripts in the project itself, not just dependencies. And it will ignore scripts that you have previously allowed (using the "allowBuilds" feature).
alt Hacker News
This page describes the behavior, "disables the automatic execution of postinstall scripts in dependencies":
https://pnpm.io/supply-chain-security
While this explicitly calls out "postinstall", I'm pretty sure it affects other such lifecycle scripts like preinstall in dependencies.
The --ignore-scripts option will ignore lifecycle scripts in the project itself, not just dependencies. And it will ignore scripts that you have previously allowed (using the "allowBuilds" feature).