Class: Dependabot::NpmAndYarn::YarnErrorHandler

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

Instance Method Summary collapse

Constructor Details

#initialize(dependencies:, dependency_files:) ⇒ YarnErrorHandler

Returns a new instance of YarnErrorHandler.



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 556

def initialize(dependencies:, dependency_files:)
  @dependencies = dependencies
  @dependency_files = dependency_files
end

Instance Method Details

#create_error(handler, message, error, params) ⇒ Object 



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 665

def create_error(handler, message, error, params)
  handler.call(message, error, {
    dependencies: dependencies,
    dependency_files: dependency_files,
    **params
  })
end

#find_usage_error(error_message) ⇒ Object 



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 573

def find_usage_error(error_message)
  start_index = error_message.rindex(YARN_USAGE_ERROR_TEXT)
  return nil unless start_index

  error_details = error_message[start_index..-1]
  error_details&.strip
end

#handle_error(error, params) ⇒ Object 



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 583

def handle_error(error, params)
  error_message = error.message

  # Extract the usage error message from the raw error message
  usage_error_message = find_usage_error(error_message) || ""

  # Check if the error message contains any group patterns and raise the corresponding error class
  handle_group_patterns(error, usage_error_message, params)

  # Check if defined yarn error codes contained in the error message
  # and raise the corresponding error class
  handle_yarn_error(error, params)
end

#handle_group_patterns(error, usage_error_message, params) ⇒ Object

rubocop:disable Metrics/PerceivedComplexity



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 635

def handle_group_patterns(error, usage_error_message, params) # rubocop:disable Metrics/PerceivedComplexity
  error_message = error.message.gsub(/\e\[\d+(;\d+)*m/, "")
  VALIDATION_GROUP_PATTERNS.each do |group|
    patterns = group[:patterns]
    matchfn = group[:matchfn]
    handler = group[:handler]
    in_usage = group[:in_usage] || false

    next unless (patterns || matchfn) && handler

    message = usage_error_message.empty? ? error_message : usage_error_message
    if in_usage && pattern_in_message(patterns, usage_error_message)
      raise create_error(handler, message, error, params)
    elsif !in_usage && pattern_in_message(patterns, error_message)
      raise create_error(handler, error_message, error, params)
    end

    raise create_error(handler, message, error, params) if matchfn&.call(usage_error_message, error_message)
  end
end

#handle_package_not_found(error_message, yarn_lock) ⇒ Object

rubocop:disable Metrics/PerceivedComplexity



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 708

def handle_package_not_found(error_message, yarn_lock) # rubocop:disable Metrics/PerceivedComplexity
  # There are 2 different package not found error messages
  package_not_found = error_message.include?(PACKAGE_NOT_FOUND)
  package_not_found2 = error_message.match?(PACKAGE_NOT_FOUND2)

  # If non of the patterns are found, return an empty hash
  return {} unless package_not_found || package_not_found2

  sanitized_name = T.let(nil, T.nilable(String))

  if package_not_found
    package_name =
      error_message
      .match(PACKAGE_NOT_FOUND_PACKAGE_NAME_REGEX)
      &.named_captures
      &.[](PACKAGE_NOT_FOUND_PACKAGE_NAME_CAPTURE)
      &.split(PACKAGE_NOT_FOUND_PACKAGE_NAME_CAPTURE_SPLIT_REGEX)
      &.first
  end

  if package_not_found2
    package_name =
      error_message
      .match(PACKAGE_NOT_FOUND2_PACKAGE_NAME_REGEX)
      &.named_captures
      &.[](PACKAGE_NOT_FOUND2_PACKAGE_NAME_CAPTURE)
  end

  raise_resolvability_error(error_message, yarn_lock) unless package_name
  sanitized_name = sanitize_package_name(package_name) if package_name
  error_message = error_message.gsub(package_name, sanitized_name) if package_name && sanitized_name
  { sanitized_name: sanitized_name, sanitized_message: error_message }
end

#handle_yarn_error(error, params) ⇒ Object 



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 599

def handle_yarn_error(error, params)
  ## Clean error message from ANSI escape codes
  error_message = error.message.gsub(/\e\[\d+(;\d+)*m/, "")
  matches = error_message.scan(YARN_CODE_REGEX)
  return if matches.empty?

  # Go through each match backwards in the error message and raise the corresponding error class
  matches.reverse_each do |match|
    code = match[0]
    next unless code

    yarn_error = YARN_ERROR_CODES[code]
    next unless yarn_error.is_a?(Hash)

    message = yarn_error[:message]
    handler = yarn_error[:handler]
    next unless handler

    modified_error_message = if message
                               "[#{code}]: #{message}, Detail: #{error_message}"
                             else
                               "[#{code}]: #{error_message}"
                             end

    raise  create_error(handler, modified_error_message, error, params)
  end
end

#package_missing(error_message) ⇒ Object 



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 744

def package_missing(error_message)
  names = dependencies.map(&:name)
  package_missing = names.any? { |name| error_message.include?("find package \"#{name}") }
  !!error_message.match(PACKAGE_MISSING_REGEX) || package_missing
end

#pattern_in_message(patterns, message) ⇒ Object 



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 693

def pattern_in_message(patterns, message)
  patterns.each do |pattern|
    if pattern.is_a?(String)
      return true if message.include?(pattern)
    elsif pattern.is_a?(Regexp)
      return true if message.gsub(/\e\[[\d;]*[A-Za-z]/, "").match?(pattern)
    end
  end
  false
end

#raise_resolvability_error(error_message, yarn_lock) ⇒ Object

Raises:

  • (Dependabot::DependencyFileNotResolvable) 


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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 680

def raise_resolvability_error(error_message, yarn_lock)
  dependency_names = dependencies.map(&:name).join(", ")
  msg = "Error whilst updating #{dependency_names} in #{yarn_lock.path}:\n#{error_message}"
  raise Dependabot::DependencyFileNotResolvable, msg
end

#sanitize_package_name(package_name) ⇒ Object 



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# File 'lib/dependabot/npm_and_yarn/file_updater/yarn_lockfile_updater.rb', line 751

def sanitize_package_name(package_name)
  return package_name.gsub("%2f", "/").gsub("%2F", "/") if package_name

  nil
end