ALL isn't a real MIME type, so we don't register it for lookup with the other concrete types. It's a wildcard match that we use for `respond_to` negotiation internals.
EXTENSION_LOOKUP
=
{}
LOOKUP
=
{}
SET
=
Mimes.new
Class Public methods
[](type)
Source:
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 38def[](type)
return type if type.is_a?(Type)
Type.lookup_by_extension(type)
end
fetch(type)
Source:
# File actionpack/lib/action_dispatch/http/mime_type.rb, line 43deffetch(type)
return type if type.is_a?(Type)
EXTENSION_LOOKUP.fetch(type.to_s) { |k| yield k }
end