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Added support for coercion to Set or Set[Other] #642

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Added support for coercion to Set or Set[Other] #642

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9 changes: 5 additions & 4 deletions lib/grape/validations/coerce.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -38,17 +38,18 @@ def _valid_single_type?(klass, val)
end

def valid_type?(val)
if @option.is_a?(Array)
_valid_array_type?(@option[0], val)
if @option.is_a?(Array) || @option.is_a?(Set)
_valid_array_type?(@option.first, val)
else
_valid_single_type?(@option, val)
end
end

def coerce_value(type, val)
# Don't coerce things other than nil to Arrays or Hashes
return val || [] if type == Array
return val || {} if type == Hash
return val || [] if type == Array
return val || Set.new if type == Set
return val || {} if type == Hash

converter = Virtus::Attribute.build(type)
converter.coerce(val)
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