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@timruffles
Created May 24, 2012 09:47
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rails hash formatter - hash/json to/from camel case and underscores
module HashConverter
class << self
def to_underscore hash
convert hash, :underscore
end
def to_camel_case hash
convert hash, :camelize, :lower
end
def convert obj, *method
case obj
when Hash
obj.inject({}) do |h,(k,v)|
v = convert v, *method
h[k.send(*method)] = v
h
end
when Array
obj.map {|m| convert m, *method }
else
obj
end
end
end
end
puts HashConverter.to_underscore({ "helloILikeThis" => { "recursesThrough" => [{"evenInto" => "arraysButNotVals"}] }})
puts HashConverter.to_camel_case({"hello_i_like_this"=>{"recurses_through"=>[{"even_into"=>"arrays_but_not_vals"}]}})
puts HashConverter.to_camel_case HashConverter.to_underscore({ "helloILikeThis" => { "recursesThrough" => [{"evenInto" => "arraysButNotVals"}] }})
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