require 'pronto' module Pronto class ESLint < Runner def run return [] unless @patches @patches.select { |patch| patch.additions > 0 } .select { |patch| js_file?(patch.new_file_full_path) } .map { |patch| inspect(patch) } .flatten.compact end def inspect(patch) @_repo_path ||= @patches.first.repo.path offences = Dir.chdir(@_repo_path) do JSON.parse(`eslint #{Shellwords.escape(patch.new_file_full_path)} -f json`) end offences = offences .select { |offence| offence['errorCount'] > 0 || offence['warningCount'] > 0 } # no warning or error, no problem .map { |offence| offence['messages'] } # get error messages for that file .flatten .select { |offence| offence['line'] } # for now ignore errors without a line number offences.map do |offence| patch.added_lines.select { |line| line.new_lineno == offence['line'] } .map { |line| new_message(offence, line) } end end def new_message(offence, line) path = line.patch.delta.new_file[:path] level = :warning Message.new(path, line, level, offence['message'], nil, self.class) end def js_file?(path) %w(.js .es6 .js.es6).include?(File.extname(path)) end end end