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Add cancellation info to before filter docs

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It is important for users to know that a render or redirect in a "before"
filter causes the action to be cancelled. This was addressed in the guide, but
not the API docs
(http://guides.rubyonrails.org/action_controller_overview.html#filters).

[ci skip]
This commit is contained in:
Zachary Wasserman 2018-03-14 12:18:10 -07:00
parent b3b193f7d6
commit 9c6b3204d4
1 changed files with 12 additions and 0 deletions
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12
actionpack/lib/abstract_controller/callbacks.rb
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@ -103,6 +103,10 @@ module AbstractController
# :call-seq: before_action(names, block)
#
# Append a callback before actions. See _insert_callbacks for parameter details.
#
# If the callback renders or redirects, the action will not run. If there
# are additional callbacks scheduled to run after that callback, they are
# also cancelled.
##
# :method: prepend_before_action
@ -110,6 +114,10 @@ module AbstractController
# :call-seq: prepend_before_action(names, block)
#
# Prepend a callback before actions. See _insert_callbacks for parameter details.
#
# If the callback renders or redirects, the action will not run. If there
# are additional callbacks scheduled to run after that callback, they are
# also cancelled.
##
# :method: skip_before_action
@ -124,6 +132,10 @@ module AbstractController
# :call-seq: append_before_action(names, block)
#
# Append a callback before actions. See _insert_callbacks for parameter details.
#
# If the callback renders or redirects, the action will not run. If there
# are additional callbacks scheduled to run after that callback, they are
# also cancelled.
##
# :method: after_action