Class: ArrayTransform::Operations::AddIndexColumn

Inherits:
Object
  • Object
show all
Includes:
Callable
Defined in:
lib/array_transform/operations/add_index_column.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Callable

included

Constructor Details

#initialize(new_column_header: nil, data:, index_offset: 0) ⇒ AddIndexColumn

TODO: take a custom number generator? TODO: support before/after (before_column_header, after_column_header) [1, 2, 3].insert(1, 4)

=> [1, 4, 2, 3]



11
12
13
14
15
16
17
18
19
 
# File 'lib/array_transform/operations/add_index_column.rb', line 11

def initialize(
  new_column_header: nil,
  data:,
  index_offset: 0
)
  @new_column_header = new_column_header
  @data = data
  @index_offset = index_offset
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



21
22
23
 
# File 'lib/array_transform/operations/add_index_column.rb', line 21

def data
  @data
end

Instance Method Details

#call ⇒ Object 



23
24
25
26
27
28
29
 
# File 'lib/array_transform/operations/add_index_column.rb', line 23

def call
  AddColumn.call(
    cell_operation: -> (row_index) { row_index + index_offset },
    data: data,
    new_column_header: new_column_header
  )
end