Class: Ryac::GemResolver

Inherits:
Object
  • Object
show all
Defined in:
lib/ryac/gem_resolver.rb,
sig/ryac/gem_resolver.rbs

Defined Under Namespace

Classes: GemResolution

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.minifier_args(gem_names) ⇒ { entry: String | Array[String], project_root: Array[String], gem_require_paths: Array[String] }

The one spelling of "minify these installed gems": folds each gem's resolution into the Minifier#call keyword arguments, so the CLI and anything replicating it assemble the same invocation.

Parameters:

  • gem_names (Array[String])

Returns:

  • ({ entry: String | Array[String], project_root: Array[String], gem_require_paths: Array[String] }) 


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# File 'lib/ryac/gem_resolver.rb', line 10

def self.minifier_args(gem_names)
  resolver = new
  resolutions = gem_names.map { |name| resolver.call(name) }
  entry = resolutions.map(&:entry_path)
  entry = entry[0] if entry.size == 1
  {
    entry: entry,
    project_root: resolutions.map(&:project_root),
    gem_require_paths: resolutions.flat_map(&:require_paths),
  }
end

Instance Method Details

#call(gem_name) ⇒ GemResolution

Parameters:

  • gem_name (String)

Returns:



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# File 'lib/ryac/gem_resolver.rb', line 22

def call(gem_name)
  spec = Gem::Specification.find_by_name(gem_name)
  entry_path = find_entry_file(spec, gem_name)
  raise Pipeline::GemNotFoundError.new(gem_name) unless entry_path

  GemResolution.new(
    entry_path: entry_path,
    project_root: spec.gem_dir,
    require_paths: spec.full_require_paths
  )
rescue Gem::MissingSpecError
  raise Pipeline::GemNotFoundError.new(gem_name)
end

#find_entry_file(spec, gem_name) ⇒ String?

Parameters:

Returns:

  • (String, nil) 


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# File 'lib/ryac/gem_resolver.rb', line 38

def find_entry_file(spec, gem_name)
  candidates = [
    gem_name,                  # json
    gem_name.tr('-', '_'),     # concurrent-ruby -> concurrent_ruby
    gem_name.tr('-', '/'),     # unicode-display_width -> unicode/display_width
  ].uniq

  spec.full_require_paths.each do |dir|
    candidates.each do |name|
      path = File.join(dir, "#{name}.rb")
      return path if File.exist?(path)
    end
  end

  nil
end