Module: NestedHashCleaner

Defined in:
lib/nested_hash_cleaner.rb,
lib/nested_hash_cleaner/version.rb

Constant Summary collapse

VERSION = 
"0.2.0"

Class Method Summary collapse

Class Method Details

.clean(x, key) ⇒ Object 



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# File 'lib/nested_hash_cleaner.rb', line 6

def clean(x,key)
  case x
  when Hash then x = x.inject({}) {|m, (k, v)| m[k] = clean(v,key) unless k == key ; m }
  when Array then x.map! {|e| clean(e,key)}
  end
  x
end

.clean_empty_values(x) ⇒ Object 



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# File 'lib/nested_hash_cleaner.rb', line 30

def clean_empty_values(x)
  clean_with_values(x, [nil, {}, [], ''])
end

.clean_with_value(x, value) ⇒ Object 



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# File 'lib/nested_hash_cleaner.rb', line 14

def clean_with_value(x, value)
  case x
  when Hash then x = x.inject({}) {|m, (k, v)| m[k] = clean_with_value(v,value) unless v == value ; m }
  when Array then x.map! {|e| clean_with_value(e,value)}.compact!
  else x = ((x.respond_to?(:empty?) && x.empty?) ? nil : x)
  end
  x
end

.clean_with_values(x, values) ⇒ Object 



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# File 'lib/nested_hash_cleaner.rb', line 23

def clean_with_values(x, values)
  values.each do |value|
    x = clean_with_value(x, value)
  end
  x
end