Given an array of values like the ones accepted by helper, this
method returns an array with the corresponding modules, in the same order.
# File actionpack/lib/abstract_controller/helpers.rb, line 168
def modules_for_helpers(modules_or_helper_prefixes)
modules_or_helper_prefixes.flatten.map! do |module_or_helper_prefix|
case module_or_helper_prefix
when Module
module_or_helper_prefix
when String, Symbol
helper_prefix = module_or_helper_prefix.to_s
helper_prefix = helper_prefix.camelize unless helper_prefix.start_with?(/[A-Z]/)
"#{helper_prefix}Helper".constantize
else
raise ArgumentError, "helper must be a String, Symbol, or Module"
end
end
end
