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Contents
require 'set'
module I18n::Tasks::PluralKeys
PLURAL_KEY_SUFFIXES = Set.new %w(zero one two few many other)
PLURAL_KEY_RE = /\.(?:#{PLURAL_KEY_SUFFIXES.to_a * '|'})$/
def collapse_plural_nodes!(tree)
tree.leaves.map(&:parent).compact.uniq.each do |node|
children = node.children
if plural_forms?(children)
node.value = children.to_hash
node.children = nil
node.data.merge! children.first.data
end
end
tree
end
# @param [String] key i18n key
# @param [String] locale to pull key data from
# @return the base form if the key is a specific plural form (e.g. apple for apple.many), and the key as passed otherwise
def depluralize_key(key, locale = base_locale)
return key if key !~ PLURAL_KEY_RE
key_name = last_key_part(key)
parent_key = key[0 .. - (key_name.length + 2)]
nodes = tree("#{locale}.#{parent_key}").presence || (locale != base_locale && tree("#{base_locale}.#{parent_key}"))
if nodes && plural_forms?(nodes)
parent_key
else
key
end
end
def plural_forms?(s)
s.present? && s.all? { |node| node.leaf? && plural_suffix?(node.key) }
end
def plural_suffix?(key)
PLURAL_KEY_SUFFIXES.include?(key)
end
end
Version data entries
5 entries across 5 versions & 1 rubygems