discourse/lib/freedom_patches/inflector_backport.rb

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# frozen_string_literal: true
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# review per rails release, this speeds up the inflector, we are not inflecting too much at the moment, except in dev
#
# note: I am working with the rails team on including this in official rails
module ActiveSupport
module Inflector
LRU_CACHE_SIZE = 200
LRU_CACHES = []
def self.clear_memoize!
LRU_CACHES.each(&:clear)
end
def self.memoize(*args)
args.each do |method_name|
cache = LruRedux::ThreadSafeCache.new(LRU_CACHE_SIZE)
LRU_CACHES << cache
uncached = "#{method_name}_without_cache"
alias_method uncached, method_name
define_method(method_name) do |*arguments|
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# this avoids recursive locks
found = true
data = cache.fetch(arguments) { found = false }
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unless found
cache[arguments] = data = public_send(uncached, *arguments)
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end
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# so cache is never corrupted
data.dup
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end
end
end
memoize :pluralize, :singularize, :camelize, :underscore, :humanize,
:titleize, :tableize, :classify, :foreign_key
end
end
module ActiveSupport
module Inflector
class Inflections
def self.clear_memoize(*args)
args.each do |method_name|
orig = "#{method_name}_without_clear_memoize"
alias_method orig, method_name
define_method(method_name) do |*arguments|
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ActiveSupport::Inflector.clear_memoize!
public_send(orig, *arguments)
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end
end
end
clear_memoize :acronym, :plural, :singular, :irregular, :uncountable, :human, :clear
end
end
end