Module: Yadtfp::Outputters::Diffable

Included in:
Pretty
Defined in:
lib/yadtfp/outputters/diffable.rb

Overview

Module exists to extract out the common methods in outputters.

Include this module Diffable in each outputters defined.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#diff ⇒ Object (readonly)

Returns the value of attribute diff.



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# File 'lib/yadtfp/outputters/diffable.rb', line 11

def diff
  @diff
end

Instance Method Details

#appends ⇒ Object

Returns an array containing all the appends.



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# File 'lib/yadtfp/outputters/diffable.rb', line 40

def appends
  by_type('a')
end

#by_type(type) ⇒ Object (private)

Filters and returns the subset of difference by type

type can be one of: c - Change a - Append d - Delete



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# File 'lib/yadtfp/outputters/diffable.rb', line 68

def by_type(type)
  @diff.select { |d| d[:type] == type }
end

#changes ⇒ Object

Returns an array containing all the changes.



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# File 'lib/yadtfp/outputters/diffable.rb', line 31

def changes
  by_type('c')
end

#deletes ⇒ Object

Returns an array containing all the deletes.



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# File 'lib/yadtfp/outputters/diffable.rb', line 49

def deletes
  by_type('d')
end

#initialize(arr = []) ⇒ Object

Saves supplied difference array.

Parameter arr must be an array of difference hashes.

Raises ArgumentError if supplied arr is not an Array type.



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# File 'lib/yadtfp/outputters/diffable.rb', line 20

def initialize(arr = [])
  throw ArgumentError, "`arr` must be an array" if !arr.is_a?(::Array)

  @diff = arr
end