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Several fixes for AV::Helpers::CaptureHelper

This commit is contained in:
zzak 2023-01-29 09:54:11 +09:00
parent 2978f8dd05
commit f7c0b38dd4
1 changed files with 11 additions and 5 deletions
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16
actionview/lib/action_view/helpers/capture_helper.rb
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@ -5,16 +5,19 @@ require "active_support/core_ext/string/output_safety"
module ActionView module ActionView
# = Action View Capture Helper # = Action View Capture Helper
module Helpers # :nodoc: module Helpers # :nodoc:
# CaptureHelper exposes methods to let you extract generated markup which # \CaptureHelper exposes methods to let you extract generated markup which
# can be used in other parts of a template or layout file. # can be used in other parts of a template or layout file.
# #
# It provides a method to capture blocks into variables through capture and # It provides a method to capture blocks into variables through #capture and
# a way to capture a block of markup for use in a layout through {content_for}[rdoc-ref:ActionView::Helpers::CaptureHelper#content_for]. # a way to capture a block of markup for use in a layout through #content_for.
#
# As well as provides a method when using streaming responses through #provide.
# See ActionController::Streaming for more information.
module CaptureHelper module CaptureHelper
# The capture method extracts part of a template as a String object. # The capture method extracts part of a template as a string object.
# You can then use this object anywhere in your templates, layout, or helpers. # You can then use this object anywhere in your templates, layout, or helpers.
# #
# The capture method can be used in ERB templates... # The capture method can be used in \ERB templates...
# #
# <% @greeting = capture do %> # <% @greeting = capture do %>
# Welcome to my shiny new web page! The date and time is # Welcome to my shiny new web page! The date and time is
@ -178,6 +181,8 @@ module ActionView
# concatenate several times to the same buffer when rendering a given # concatenate several times to the same buffer when rendering a given
# template, you should use +content_for+, if not, use +provide+ to tell # template, you should use +content_for+, if not, use +provide+ to tell
# the layout to stop looking for more contents. # the layout to stop looking for more contents.
#
# See ActionController::Streaming for more information.
def provide(name, content = nil, &block) def provide(name, content = nil, &block)
content = capture(&block) if block_given? content = capture(&block) if block_given?
result = @view_flow.append!(name, content) if content result = @view_flow.append!(name, content) if content
@ -185,6 +190,7 @@ module ActionView
end end
# <tt>content_for?</tt> checks whether any content has been captured yet using <tt>content_for</tt>. # <tt>content_for?</tt> checks whether any content has been captured yet using <tt>content_for</tt>.
#
# Useful to render parts of your layout differently based on what is in your views. # Useful to render parts of your layout differently based on what is in your views.
# #
# <%# This is the layout %> # <%# This is the layout %>