27 lines
906 B
Ruby
27 lines
906 B
Ruby
module ActionView
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module Helpers
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# Provides a set of methods for making it easier to locate problems.
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module DebugHelper
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# Returns a <pre>-tag set with the +object+ dumped by YAML. Very readable way to inspect an object.
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# my_hash = {'first' => 1, 'second' => 'two', 'third' => [1,2,3]}
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# debug(my_hash)
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# => <pre class='debug_dump'>---
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# first: 1
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# second: two
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# third:
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# - 1
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# - 2
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# - 3
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# </pre>
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def debug(object)
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begin
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Marshal::dump(object)
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"<pre class='debug_dump'>#{h(object.to_yaml).gsub(" ", " ")}</pre>"
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rescue Exception => e # errors from Marshal or YAML
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# Object couldn't be dumped, perhaps because of singleton methods -- this is the fallback
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"<code class='debug_dump'>#{h(object.inspect)}</code>"
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end
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end
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end
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end
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end |