Rails 6 Update #1
Merged
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See: https://vmproduct.atlassian.net/browse/AUX-349
In Rails 6, the
formats
method inlookup_context.rb
(See: https://github.com/rails/rails/blob/v6.0.3.4/actionview/lib/action_view/lookup_context.rb#L281-L298) expects formats to be symbols.However,
prototype-rails
v 4.1.3 sets it to an instance ofMime::Type
, causing the method to raiseArgumentError: Invalid formats
. This fixes it by setting the default format to a symbol.