method
fields_for_nested_model
v4.2.9 -
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Class: ActionView::Helpers::FormBuilder
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fields_for_nested_model(name, object, fields_options, block)
private
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# File actionview/lib/action_view/helpers/form_helper.rb, line 1918 def fields_for_nested_model(name, object, fields_options, block) object = convert_to_model(object) emit_hidden_id = object.persisted? && fields_options.fetch(:include_id) { options.fetch(:include_id, true) } @template.fields_for(name, object, fields_options) do |f| output = @template.capture(f, &block) output.concat f.hidden_field(:id) if output && emit_hidden_id && !f.emitted_hidden_id? output end end