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module ActionView
module Helpers
module DeprecatedBlockHelpers
extend ActiveSupport::Concern
include ActionView::Helpers::TagHelper
include ActionView::Helpers::TextHelper
include ActionView::Helpers::JavaScriptHelper
include ActionView::Helpers::FormHelper
def content_tag(*, &block)
block_called_from_erb?(block) ? safe_concat(super) : super
end
def javascript_tag(*, &block)
block_called_from_erb?(block) ? safe_concat(super) : super
end
def form_for(*, &block)
block_called_from_erb?(block) ? safe_concat(super) : super
end
def form_tag(*, &block)
block_called_from_erb?(block) ? safe_concat(super) : super
end
def fields_for(*, &block)
block_called_from_erb?(block) ? safe_concat(super) : super
end
def field_set_tag(*, &block)
block_called_from_erb?(block) ? safe_concat(super) : super
end
BLOCK_CALLED_FROM_ERB = 'defined? __in_erb_template'
if RUBY_VERSION < '1.9.0'
# Check whether we're called from an erb template.
# We'd return a string in any other case, but erb <%= ... %>
# can't take an <% end %> later on, so we have to use <% ... %>
# and implicitly concat.
def block_called_from_erb?(block)
block && eval(BLOCK_CALLED_FROM_ERB, block)
end
else
def block_called_from_erb?(block)
block && eval(BLOCK_CALLED_FROM_ERB, block.binding)
end
end
end
end
end
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