class DynportTools::DeepMerger

Public Class Methods

merge(a, b) click to toggle source
# File lib/dynport_tools/deep_merger.rb, line 3
def merge(a, b)
  if a.is_a?(Hash) && b.is_a?(Hash)
    merge_hashes(a, b)
  elsif a.is_a?(Array) && b.is_a?(Array)
    merge_arrays(a, b)
  else
    b
  end
end
merge_arrays(a, b) click to toggle source
# File lib/dynport_tools/deep_merger.rb, line 13
def merge_arrays(a, b)
  [a.length, b.length].max.times.map do |i|
    if b.length < i + 1
      a[i]
    elsif a.length < i + 1
      b[i]
    else
      merge(a[i], b[i])
    end
  end
end
merge_hashes(a, b) click to toggle source
# File lib/dynport_tools/deep_merger.rb, line 25
def merge_hashes(a, b)
  (a.keys + b.keys).uniq.inject({}) do |hash, key|
    if !a.has_key?(key)
      hash[key] = b[key]
    elsif !b.has_key?(key)
      hash[key] = a[key]
    else
      hash[key] = merge(a[key], b[key])
    end
    hash
  end
end