Class: Dependabot::NpmAndYarn::DependencyGrapher::PnpmRelationshipResolver

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/dependabot/npm_and_yarn/dependency_grapher/pnpm_relationship_resolver.rb

Instance Method Summary collapse

Constructor Details

#initialize(lockfile) ⇒ PnpmRelationshipResolver

Returns a new instance of PnpmRelationshipResolver.



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# File 'lib/dependabot/npm_and_yarn/dependency_grapher/pnpm_relationship_resolver.rb', line 14

def initialize(lockfile)
  @lockfile = lockfile
end

Instance Method Details

#relationships ⇒ Object 



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# File 'lib/dependabot/npm_and_yarn/dependency_grapher/pnpm_relationship_resolver.rb', line 19

def relationships
  parsed = YAML.safe_load(T.must(@lockfile.content)) || {}

  # v9+ uses "snapshots" for resolved dependency details; v6 uses "packages"
  entries = parsed.fetch("snapshots", nil) || parsed.fetch("packages", {})

  entries.each_with_object({}) do |(key, details), rels|
    next unless details.is_a?(Hash)

    # Keys are "/name@version" (v6) or "name@version" (v9)
    name_version = key.sub(%r{^/}, "")
    children = details.fetch("dependencies", {})

    next if children.nil? || children.empty?

    # Strip any pnpm suffix metadata (e.g., parenthesized peer dep info)
    name_version = name_version.sub(/\(.*\)$/, "")

    # pnpm dependencies are already resolved: {"name": "version"}
    # Strip any peer metadata suffixes like "7.49.0(react@18.2.0)"
    resolved_children = children.filter_map do |child_name, child_version|
      clean_version = child_version.to_s.sub(/\(.*\)$/, "")
      next if clean_version.empty?

      "#{child_name}@#{clean_version}"
    end

    rels[name_version] ||= []
    rels[name_version].concat(resolved_children).uniq!
  end
end