# File lib/sprockets/utils.rb, line 11 def self.read_unicode(pathname) pathname.read.tap do |data| # Eager validate the file's encoding. In most cases we # expect it to be UTF-8 unless `default_external` is set to # something else. An error is usually raised if the file is # saved as UTF-16 when we expected UTF-8. if !data.valid_encoding? raise EncodingError, "#{pathname} has a invalid " + "#{data.encoding} byte sequence" # If the file is UTF-8 and theres a BOM, strip it for safe concatenation. elsif data.encoding.name == "UTF-8" && data =~ UTF8_BOM_PATTERN data.sub!(UTF8_BOM_PATTERN, "") end end end