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Description: Ruby on Rails
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Turn RJS debugging on by default and show the source code when an 
exception is caught [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4003 
5ecf4fe2-1ee6-0310-87b1-e25e094e27de
dhh (author)
Sun Mar 19 23:19:27 -0800 2006
commit  49414750693a61ad078549b9edb5260f32f69561
tree    0b5598daaaa51f6f0ef6cc623d7c824ec47258a4
parent  1aff68d61574410fa942aa34ec261c68565e48c1
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actionpack/lib/action_view/helpers/prototype_helper.rb 
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@@ -433,8 +433,9 @@
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           def to_s #:nodoc:
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             returning javascript = @lines * $/ do
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               if ActionView::Base.debug_rjs
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-                javascript.replace "try {\n#{javascript}\n} catch (e) "
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-                javascript << "{ alert('RJS error:\\n\\n' + e.toString()); throw e }"
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+                source = javascript.dup
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+                javascript.replace "try {\n#{source}\n} catch (e) "
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+                javascript << "{ alert('RJS error:\\n\\n' + e.toString()); alert('#{source.gsub(/\r\n|\n|\r/, "\\n").gsub(/["']/) { |m| "\\#{m}" }}'); throw e }"
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               end
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             end
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           end
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railties/environments/development.rb 
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@@ -14,6 +14,7 @@
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 # Show full error reports and disable caching
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 config.action_controller.consider_all_requests_local = true
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 config.action_controller.perform_caching             = false
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+config.action_view.debug_rjs                         = true
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 # Don't care if the mailer can't send
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 config.action_mailer.raise_delivery_errors = false

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