Github Packages not proxying requests

Question

I'm using Github Packages as my npm registry and have some private packages hosted there. I want all npm install requests to proxy through Github Packages. According to this blog post and these docs this should happen by default. However, when I run npm install on my project, I get a package-lock.json file that uses Github Packages registry for my custom private package, but the default npm registry for others.

Example snippet from package-lock.json:

{
  "name": "linting",
  "version": "1.0.0",
  "lockfileVersion": 1,
  "requires": true,
  "dependencies": {
    "@babel/code-frame": {
      "version": "7.10.4",
      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
      "integrity": "sha512-8765asdf7865sadf+asdfsdfsdf/sfadsfg876675safsfsdfsdf678==",
      "dev": true,
      "requires": {
        "@babel/highlight": "^7.10.4"
      }
    },
    "@my-org/prettier-config": {
      "version": "2.0.1",
      "resolved": "https://npm.pkg.github.com/download/@my-org/prettier-config/2.0.1/sdg8765dsfg8675sdfg8765dsfg7685",
      "integrity": "sha512-dsfgdfgdfgsdg56456ftg656h6h+sdfg876sdfg7865sdfg765675sdfg7865==",
      "dev": true
    }
  }
}

I'm wondering whether my .npmrc file is setup incorrectly. In the project root it looks like this:

registry=https://npm.pkg.github.com/my-org

And the .npmrc in my home folder looks like this:

//npm.pkg.github.com/:_authToken=dsfg8765sdfg765dsfg685

Are my configs wrong, or is something else happening here that appears to be stopping the proxy?

Note all org names and keys changed to nonsense for the sake of this question.

Answer 1

Try adding a "/" to the end to make it like this registry=https://npm.pkg.github.com/my-org/