class ActionView::Template

def encode!

Experimental RBS support (using type sampling data from the type_fusion project). 

def encode!: () -> String

This signature was generated using 2 samples from 1 application.

blank line in its stead.
before passing the source on to the template engine, leaving a
with any template engine, as we process out the encoding comment
line of the template (# encoding: NAME-OF-ENCODING). This will work
The user can also specify the encoding via a comment on the first

the same as Encoding.default_external.
If no additional information is supplied, we assume the encoding is
source. Until this point, we assume that the source is BINARY data.
This method is responsible for properly setting the encoding of the 
def encode!
  source = self.source
  return source unless source.encoding == Encoding::BINARY
  # Look for # encoding: *. If we find one, we'll encode the
  # String in that encoding, otherwise, we'll use the
  # default external encoding.
  if source.sub!(/\A#{ENCODING_FLAG}/, "")
    encoding = magic_encoding = $1
  else
    encoding = Encoding.default_external
  end
  # Tag the source with the default external encoding
  # or the encoding specified in the file
  source.force_encoding(encoding)
  # If the user didn't specify an encoding, and the handler
  # handles encodings, we simply pass the String as is to
  # the handler (with the default_external tag)
  if !magic_encoding && @handler.respond_to?(:handles_encoding?) && @handler.handles_encoding?
    source
  # Otherwise, if the String is valid in the encoding,
  # encode immediately to default_internal. This means
  # that if a handler doesn't handle encodings, it will
  # always get Strings in the default_internal
  elsif source.valid_encoding?
    source.encode!
  # Otherwise, since the String is invalid in the encoding
  # specified, raise an exception
  else
    raise WrongEncodingError.new(source, encoding)
  end
end