fix: check dependencyGraph root for version info

[BasKiers]

What did you implement:

fixes: #506

Version information of linked dependencies (e.g. link:../../packages/logger) could not be resolved resulting in the warning message "WARNING: Could not determine version of module XXX".

How did you implement it:

Add an additional fallback to retrieve dependency version from the root of the dependencyGraph.

When analysing the current fallback code, the current implementation will never work in my workspace since yarn list --depth=1 (called through packager.getProdDependencies(path.dirname(packageJsonPath), 1)) will never contain version information inside dependencyGraph.dependencies.${module.origin}.dependencies since that would require a depth greater than 1.

Note. I did add a eslint-disable-next-line comment so I was able to use an array as path to circumvent bugs when the package name contains a . (e.g. lodash.memoize)

How can we verify it:

The workspace for which this PR resolves this warning has the following (or similar) structure

backend/
    api/
        package.json
            `dependencies: { "@project/some-package": "link:../../packages/some-package" }`
packages/
    some-package/
        package.json
            `dependencies: { "other-package": "1.0.0" }`

Todos:

• Write tests
• Write documentation
• Fix linting errors
• Make sure code coverage hasn't dropped
• Provide verification config / commands / resources
• Enable "Allow edits from maintainers" for this PR
• Update the messages below

Is this ready for review?: YES
Is it a breaking change?: NO

[hassankhan]

Hi @BasKiers, thanks for the PR! 👍 Any chance you could add a couple of tests, just to be on the safe side?

[j0k3r]

Closing in favor to #541