Sha256: f0f2a1147d9dd589f1415fb27beed88a8bedd7d47cdecf71db1b027b44a2adca
Contents?: true
Size: 1.05 KB
Versions: 6
Compression:
Stored size: 1.05 KB
Contents
# frozen_string_literal: true
module Fluent
module Plugin
module ElasticsearchStats
module Utils
def self.hash_flatten_keys(hash, overwite: false, separator: nil)
return nil unless hash.is_a?(Hash)
flattened = {}
stack = [hash.each]
keys = []
while stack.any?
current = stack.pop
begin
child_k, child_v = current.next
stack.push current
if child_v.is_a?(Hash)
stack.push child_v.each
keys.push child_k
else
flattened_key = keys + [child_k]
flattened_key = flattened_key.join(separator) if separator
raise KeyError, "key #{flattened_key} already present" if !overwite && flattened.key?(flattened_key)
flattened[flattened_key] = child_v
end
rescue StopIteration
keys.pop
next
end
end
flattened
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems