[BUG] No "postinstall" on global packages anymore

[voltuer]

Current Behavior:

I'm making a global cli tool that asks you for your language preference upon install but since NPM 7 it doesn't run the postinstall script anymore

Expected Behavior:

In NPM 6 it works just fine

Steps To Reproduce:

npm i -g dnd

Environment:

macOS Big Sur, npm 7

[ljharb]

Are you sure it’s not running it, as opposed to not displaying any output?

[voltuer]

Apparently it is running, but I need to show staff to the user, as it worked before v7

[ljharb]

That was intentionally suppressed in v7, to prevent spamming users with ads and similar messages. You’ll have to wait to show the users the output until the first time they use your tool.

[voltuer]

Could you please share a link to an official announcement of this change? I will need to explain this to my client

[ljharb]

https://blog.npmjs.org/post/626173315965468672/npm-v7-series-beta-release-and-semver-major is the announcement, but it may not mention this one specifically.

[ljharb]

Ah, I didn’t realize it wasn’t actually running them globally.

[voltuer]

So how am I supposed to run a script that needs user input when installing my script?

[ljharb]

Generally speaking, installs aren't a place where user input is available - consider installs in CI.

[voltuer]

good point, hadn't seen it that way

[Apollon77]

We also have the same issue on non-global but "npm i in a directly by using the local package.json" ... it seems that postinstall and install is not executed

[sinedied]

The issue can be replicated also with Decktape with npm i -g [email protected]

• On NPM v6, the pupeeter dependency postinstall script works fine (downloads a chromium bin)
• On NPM v7, the pupeeter dependency postinstall script is NOT executed - not just muted, as install finishes quickly instead of donwloading a huge bin on my machine.

[darcyclarke]

The originating issue is actually the intended experience in v7; If you want to see when scripts are run, you can add the flag --foreground-scripts.