class Overcommit::Hook::PreCommit::Jscs

Runs `jscs` (JavaScript Code Style Checker) against any modified JavaScript files.

@see jscs.info/

Public Instance Methods

run() click to toggle source
# File lib/overcommit/hook/pre_commit/jscs.rb, line 9
def run
  result = execute(command, args: applicable_files)
  return :pass if result.success?

  # Exit status 2 = Code style errors; everything else we don't know how to
  # parse. https://github.com/jscs-dev/node-jscs/wiki/Exit-codes
  unless result.status == 2
    return :fail, result.stdout + result.stderr.chomp
  end

  # example message:
  #   path/to/file.js: line 7, col 0, ruleName: Error message
  extract_messages(
    result.stdout.split("\n"),
    /^(?<file>(?:\w:)?[^:]+):[^\d]+(?<line>\d+)/,
  )
end