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Discussion on: Publishing and Installing Private GitHub Packages using Yarn and Lerna

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hollg profile image
Gary Holland • Edited

This has been super helpful for me, thank you! It got me past a bunch of blockers and made a lot of things clear that I didn't understand before.

I am still hitting one last issue, though: when I try to yarn add my package with yarn add @mygithubusername/mypackage I get a 401 unauthorised error even though I'm using the same PAT as I used to publish it, which has both read and write permissions for packages.

Have you experienced this by any chance?

Thanks again!

EDIT: for anyone else who has this issue in the future, the problem is with yarn. npm works fine! Something to do with yarn and private packages.

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Saul Hardman Author

Hey @hollg , a few questions to give me a bit more context and make sure we're not missing anything obvious:

Has the package been published to a repository belonging to you? E.g. mygithubusername/project-a containing @mygithubusername/package-a.

As this is an authorization issue, it's possibly related to the configuration of the .npmrc file. Does your local clone of the repository in which you want to yarn add @mygithubusername/package-a (e.g. mygithubusername/project-b) contain a .npmrc file that looks something like this?:

//npm.pkg.github.com/:_authToken=PAT_GOES_HERE
@mygithubusername:registry=https://npm.pkg.github.com

I'm happy to hear that you found the article useful. Hopefully we can get this last issue resolved 👍

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hollg profile image
Gary Holland

Has the package been published to a repository belonging to you? E.g. mygithubusername/project-a containing @mygithubusername/package-a.

Yep, that's right

Does your local clone of the repository in which you want to yarn add @mygithubusername/package-a (e.g. mygithubusername/project-b) contain a .npmrc file that looks something like this?

It sure does!

Just to give you full context:

I'm working in a private repository hosted on my github account, with this setup:

client
    some stuff
    some other stuff
server
    even more stuff
packages
    shared-types

client and server have their own package.jsons managing their own dependencies, builds etc. But I want to share some TypeScript types between them. That's what shared-types is for. So I'm trying to yarn add it to client and server.

Thanks so much for taking the time to look into this with me!