Module: RorHack::ArrayHack

Included in:
Array
Defined in:
lib/ror_hack/array_hack.rb

Instance Method Summary collapse

Instance Method Details

#all_blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ror_hack/array_hack.rb', line 30

def all_blank?
  self.all?(&:blank?)
end

#all_present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ror_hack/array_hack.rb', line 38

def all_present?
  self.all?(&:present?)
end

#any_blank? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ror_hack/array_hack.rb', line 34

def any_blank?
  self.any?(&:blank?)
end

#any_present? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ror_hack/array_hack.rb', line 42

def any_present?
  self.any?(&:present?)
end

#include_all?(*args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ror_hack/array_hack.rb', line 26

def include_all?(*args)
  args.all? { |i| i.in? self }
end

#include_any?(*args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ror_hack/array_hack.rb', line 22

def include_any?(*args)
  args.any? { |i| i.in? self }
end

#left_push(num, ele = nil) ⇒ Object 



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# File 'lib/ror_hack/array_hack.rb', line 70

def left_push(num, ele = nil)
  unshift(ele) while size < num
  self
end

#left_strip_nil ⇒ Object

清空左边为nil的所有元素.



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# File 'lib/ror_hack/array_hack.rb', line 53

def left_strip_nil
  while first.nil?
    delete_at(0)
    break if size == 0
  end
  self
end

#multi_group_by(*keys) ⇒ Object 



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# File 'lib/ror_hack/array_hack.rb', line 3

def multi_group_by(*keys)
  group_by_block = lambda do |array, ks|
    key = ks.shift
    return array unless key
    if key.is_a? Proc
      hash = array.group_by(&key)
    else
      hash = array.group_by { |i| i[key] }
    end
    if ks.present?
      hash.keys.each do |k|
        hash[k] = group_by_block.call hash[k], ks.dup
      end
    end
    return hash
  end
  group_by_block.call self, keys
end

#right_push(num, ele = nil) ⇒ Object 



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# File 'lib/ror_hack/array_hack.rb', line 65

def right_push(num, ele = nil)
  push(ele) while size < num
  self
end

#right_strip_nil ⇒ Object 



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# File 'lib/ror_hack/array_hack.rb', line 46

def right_strip_nil
  self.reverse!
  left_strip_nil
  reverse
end

#strip_nil ⇒ Object 



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# File 'lib/ror_hack/array_hack.rb', line 61

def strip_nil
  left_strip_nil.right_strip_nil
end