diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/debug_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/debug_helper.rb | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/debug_helper.rb b/actionpack/lib/action_view/helpers/debug_helper.rb new file mode 100644 index 0000000000..8baea6f450 --- /dev/null +++ b/actionpack/lib/action_view/helpers/debug_helper.rb @@ -0,0 +1,17 @@ +module ActionView + module Helpers + # Provides a set of methods for making it easier to locate problems. + module DebugHelper + # Returns a <pre>-tag set with the +object+ dumped by YAML. Very readable way to inspect an object. + def debug(object) + begin + Marshal::dump(object) + "<pre class='debug_dump'>#{h(object.to_yaml).gsub(" ", " ")}</pre>" + rescue Object => e + # Object couldn't be dumped, perhaps because of singleton methods -- this is the fallback + "<code class='debug_dump'>#{h(object.inspect)}</code>" + end + end + end + end +end
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