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-rw-r--r--actionpack/lib/action_controller/metal/implicit_render.rb22
1 files changed, 7 insertions, 15 deletions
diff --git a/actionpack/lib/action_controller/metal/implicit_render.rb b/actionpack/lib/action_controller/metal/implicit_render.rb
index dde924e682..d3bb58f48b 100644
--- a/actionpack/lib/action_controller/metal/implicit_render.rb
+++ b/actionpack/lib/action_controller/metal/implicit_render.rb
@@ -1,12 +1,14 @@
+# frozen_string_literal: true
+
module ActionController
# Handles implicit rendering for a controller action that does not
# explicitly respond with +render+, +respond_to+, +redirect+, or +head+.
#
- # For API controllers, the implicit response is always 204 No Content.
+ # For API controllers, the implicit response is always <tt>204 No Content</tt>.
#
# For all other controllers, we use these heuristics to decide whether to
# render a template, raise an error for a missing template, or respond with
- # 204 No Content:
+ # <tt>204 No Content</tt>:
#
# First, if we DO find a template, it's rendered. Template lookup accounts
# for the action name, locales, format, variant, template handlers, and more
@@ -23,7 +25,7 @@ module ActionController
# <tt>ActionView::UnknownFormat</tt> with an explanation.
#
# Finally, if we DON'T find a template AND the request isn't a browser page
- # load, then we implicitly respond with 204 No Content.
+ # load, then we implicitly respond with <tt>204 No Content</tt>.
module ImplicitRender
# :stopdoc:
include BasicImplicitRender
@@ -39,18 +41,8 @@ module ActionController
raise ActionController::UnknownFormat, message
elsif interactive_browser_request?
- message = "#{self.class.name}\##{action_name} is missing a template " \
- "for this request format and variant.\n\n" \
- "request.formats: #{request.formats.map(&:to_s).inspect}\n" \
- "request.variant: #{request.variant.inspect}\n\n" \
- "NOTE! For XHR/Ajax or API requests, this action would normally " \
- "respond with 204 No Content: an empty white screen. Since you're " \
- "loading it in a web browser, we assume that you expected to " \
- "actually render a template, not nothing, so we're showing an " \
- "error to be extra-clear. If you expect 204 No Content, carry on. " \
- "That's what you'll get from an XHR or API request. Give it a shot."
-
- raise ActionController::UnknownFormat, message
+ message = "#{self.class.name}\##{action_name} is missing a template for request formats: #{request.formats.map(&:to_s).join(',')}"
+ raise ActionController::MissingExactTemplate, message
else
logger.info "No template found for #{self.class.name}\##{action_name}, rendering head :no_content" if logger
super