Class: Bibliothecary::Parsers::NPM

Inherits:
Object
  • Object
show all
Defined in:
lib/bibliothecary/parsers/npm.rb

Constant Summary collapse

PLATFORM_NAME = 
'npm'

Class Method Summary collapse

Class Method Details

.analyse(folder_path, file_list) ⇒ Object 



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# File 'lib/bibliothecary/parsers/npm.rb', line 19

def self.analyse(folder_path, file_list)
  [analyse_package_json(folder_path, file_list),
  analyse_shrinkwrap(folder_path, file_list)]
end

.analyse_package_json(folder_path, file_list) ⇒ Object 



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# File 'lib/bibliothecary/parsers/npm.rb', line 24

def self.analyse_package_json(folder_path, file_list)
  path = file_list.find{|path| path.gsub(folder_path, '').gsub(/^\//, '').match(/^package\.json$/) }
  return unless path

  manifest = JSON.parse File.open(path).read

  {
    platform: PLATFORM_NAME,
    path: path,
    dependencies: parse_manifest(manifest)
  }
end

.analyse_shrinkwrap(folder_path, file_list) ⇒ Object 



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# File 'lib/bibliothecary/parsers/npm.rb', line 37

def self.analyse_shrinkwrap(folder_path, file_list)
  path = file_list.find{|path| path.gsub(folder_path, '').gsub(/^\//, '').match(/^npm-shrinkwrap\.json$/) }
  return unless path

  manifest = JSON.parse File.open(path).read

  {
    platform: PLATFORM_NAME,
    path: path,
    dependencies: parse_shrinkwrap(manifest)
  }
end

.map_dependencies(hash, key, type) ⇒ Object 



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# File 'lib/bibliothecary/parsers/npm.rb', line 65

def self.map_dependencies(hash, key, type)
  hash.fetch(key,[]).map do |name, requirement|
    {
      name: name,
      requirement: requirement,
      type: type
    }
  end
end

.parse(filename, file_contents) ⇒ Object 



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# File 'lib/bibliothecary/parsers/npm.rb', line 8

def self.parse(filename, file_contents)
  json = JSON.parse(file_contents)
  if filename.match(/^package\.json$/)
    parse_manifest(json)
  elsif filename.match(/^npm-shrinkwrap\.json$/)
    parse_shrinkwrap(json)
  else
    []
  end
end

.parse_manifest(manifest) ⇒ Object 



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# File 'lib/bibliothecary/parsers/npm.rb', line 60

def self.parse_manifest(manifest)
  map_dependencies(manifest, 'dependencies', 'runtime') +
  map_dependencies(manifest, 'devDependencies', 'development')
end

.parse_shrinkwrap(manifest) ⇒ Object 



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# File 'lib/bibliothecary/parsers/npm.rb', line 50

def self.parse_shrinkwrap(manifest)
  manifest.fetch('dependencies',[]).map do |name, requirement|
    {
      name: name,
      requirement: requirement["version"],
      type: 'runtime'
    }
  end
end