Module: ActiveObject::Array
- Defined in:
- lib/active_object/array.rb
Instance Method Summary collapse
- #after(value) ⇒ Object
- #before(value) ⇒ Object
- #delete_first ⇒ Object
- #delete_first! ⇒ Object
- #delete_last ⇒ Object
- #delete_last! ⇒ Object
- #delete_values(*args) ⇒ Object
- #dig(key, *rest) ⇒ Object
- #duplicates(minimum = 2) ⇒ Object
- #from(position) ⇒ Object
- #groups(number) ⇒ Object
-
#in_groups(number, fill_with = nil) ⇒ Object
rubocop:disable Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/AbcSize.
-
#in_groups_of(number, fill_with = nil) ⇒ Object
rubocop:disable Metrics/MethodLength, Metrics/AbcSize.
-
#percentile(percentage) ⇒ Object
rubocop:enable Metrics/MethodLength, Metrics/AbcSize.
- #probability ⇒ Object
- #reject_values(*args) ⇒ Object
- #sample! ⇒ Object
-
#split(number = nil) ⇒ Object
rubocop:disable Metrics/MethodLength, Metrics/AbcSize.
-
#strip ⇒ Object
rubocop:enable Metrics/MethodLength, Metrics/AbcSize.
- #strip! ⇒ Object
- #to(position) ⇒ Object
-
#to_sentence(options = {}) ⇒ Object
rubocop:disable Metrics/MethodLength.
Instance Method Details
#after(value) ⇒ Object
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# File 'lib/active_object/array.rb', line 3 def after(value) return unless include?(value) self[(index(value).to_i + 1) % length] end |
#before(value) ⇒ Object
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# File 'lib/active_object/array.rb', line 9 def before(value) return unless include?(value) self[(index(value).to_i - 1) % length] end |
#delete_first ⇒ Object
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# File 'lib/active_object/array.rb', line 15 def delete_first self[1..-1] end |
#delete_first! ⇒ Object
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# File 'lib/active_object/array.rb', line 19 def delete_first! replace(delete_first) end |
#delete_last ⇒ Object
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# File 'lib/active_object/array.rb', line 23 def delete_last self[0...-1] end |
#delete_last! ⇒ Object
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# File 'lib/active_object/array.rb', line 27 def delete_last! replace(delete_last) end |
#delete_values(*args) ⇒ Object
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# File 'lib/active_object/array.rb', line 31 def delete_values(*args) result = [] args.each { |val| result << delete(val) } result end |
#dig(key, *rest) ⇒ Object
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# File 'lib/active_object/array.rb', line 37 def dig(key, *rest) value = (self[key] rescue nil) return if value.nil? return value if rest.empty? return value.dig(*rest) if value.respond_to?(:dig) end |
#duplicates(minimum = 2) ⇒ Object
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# File 'lib/active_object/array.rb', line 45 def duplicates(minimum = 2) hash = Hash.new(0) each { |val| hash[val] += 1 } hash.delete_if { |_, val| val < minimum }.keys end |
#from(position) ⇒ Object
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# File 'lib/active_object/array.rb', line 51 def from(position) self[position, length] || [] end |
#groups(number) ⇒ Object
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# File 'lib/active_object/array.rb', line 55 def groups(number) return [] if number <= 0 num, rem = length.divmod(number) collection = (0..(num - 1)).collect { |val| self[(val * number), number] } rem.positive? ? collection << self[-rem, rem] : collection end |
#in_groups(number, fill_with = nil) ⇒ Object
rubocop:disable Metrics/MethodLength, Metrics/CyclomaticComplexity, Metrics/AbcSize
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# File 'lib/active_object/array.rb', line 64 def in_groups(number, fill_with = nil) collection_length = length division = collection_length.div(number) modulo = collection_length % number collection = [] start = 0 number.times do |int| mod_gt_zero = modulo.positive? grouping = division + (mod_gt_zero && modulo > int ? 1 : 0) collection << last_group = slice(start, grouping) last_group << fill_with if fill_with != false && mod_gt_zero && grouping == division start += grouping end block_given? ? collection.each { |val| yield(val) } : collection end |
#in_groups_of(number, fill_with = nil) ⇒ Object
rubocop:disable Metrics/MethodLength, Metrics/AbcSize
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# File 'lib/active_object/array.rb', line 84 def in_groups_of(number, fill_with = nil) if number.to_i <= 0 raise ArgumentError, "Group length must be a positive integer, was #{number.inspect}" end if fill_with == false collection = self else padding = (number - length % number) % number collection = dup.concat(Array.new(padding, fill_with)) end sliced_collection = collection.each_slice(number) block_given? ? sliced_collection { |val| yield(val) } : sliced_collection.to_a end |
#percentile(percentage) ⇒ Object
rubocop:enable Metrics/MethodLength, Metrics/AbcSize
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# File 'lib/active_object/array.rb', line 103 def percentile(percentage) total_size = size if total_size > 1 index = (total_size * percentage) / 100.0 sort[index] else first end end |
#probability ⇒ Object
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# File 'lib/active_object/array.rb', line 114 def probability hash = Hash.new(0.0) differ = 0.0 each do |val| hash[val] += 1.0 differ += 1.0 end hash.each_key { |val| hash[val] /= differ } hash end |
#reject_values(*args) ⇒ Object
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# File 'lib/active_object/array.rb', line 127 def reject_values(*args) reject { |val| args.include?(val) } end |
#sample! ⇒ Object
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# File 'lib/active_object/array.rb', line 131 def sample! delete_at(Random.rand(length - 1)) end |
#split(number = nil) ⇒ Object
rubocop:disable Metrics/MethodLength, Metrics/AbcSize
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# File 'lib/active_object/array.rb', line 136 def split(number = nil) if block_given? each_with_object([[]]) do |element, results| yield(element) ? (results << []) : (results.last << element) end else results = [[]] arr = dup until arr.empty? if (idx = arr.index(number)) results.last.concat(arr.shift(idx)) arr.shift results << [] else results.last.concat(arr.shift(arr.length)) end end results end end |
#strip ⇒ Object
rubocop:enable Metrics/MethodLength, Metrics/AbcSize
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# File 'lib/active_object/array.rb', line 160 def strip reject(&:blank?) end |
#strip! ⇒ Object
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# File 'lib/active_object/array.rb', line 164 def strip! replace(strip) end |
#to(position) ⇒ Object
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# File 'lib/active_object/array.rb', line 168 def to(position) position >= 0 ? first(position + 1) : self[0..position] end |
#to_sentence(options = {}) ⇒ Object
rubocop:disable Metrics/MethodLength
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# File 'lib/active_object/array.rb', line 173 def to_sentence( = {}) default_connectors = { words_connector: ', ', two_words_connector: ' and ', last_word_connector: ', and ' } = default_connectors.merge!() case length when 0 '' when 1 self[0].to_s.dup when 2 "#{self[0]}#{[:two_words_connector]}#{self[1]}" else "#{self[0...-1].join([:words_connector])}#{[:last_word_connector]}#{self[-1]}" end end |