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dmitry-ilyashevich/not_such_a_shit.coffee

Forked from alovak/shit.coffee
Last active December 20, 2015 11:39
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not_such_a_shit.coffee
class KoModel
indexed_error_for: (property_name, index, nested_property = null) =>
ko.computed =>
return unless @errors() and error_property = @errors()[property_name]
error = jQuery.grep error_property, (item) ->
item.index == index
return '' unless error and error.length
if nested_property
@join_errors error[0].errors[nested_property]
else
@join_errors error[0].errors
error_for: (property_name) =>
ko.computed =>
@join_errors @errors()[property_name] if @errors()?
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