67 lines
1.8 KiB
Ruby
67 lines
1.8 KiB
Ruby
# 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
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#
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# note: I am working with the rails team on including this in official rails
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module ActiveSupport
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module Inflector
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LRU_CACHE_SIZE = 200
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LRU_CACHES = []
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def self.clear_memoize!
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LRU_CACHES.each(&:clear)
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end
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def self.memoize(*args)
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args.each do |method_name|
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cache = LruRedux::ThreadSafeCache.new(LRU_CACHE_SIZE)
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LRU_CACHES << cache
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uncached = "#{method_name}_without_cache"
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alias_method uncached, method_name
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m = define_method(method_name) do |*arguments|
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# this avoids recursive locks
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found = true
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data = cache.fetch(arguments) { found = false }
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unless found
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cache[arguments] = data = public_send(uncached, *arguments)
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end
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# so cache is never corrupted
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data.dup
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end
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# https://bugs.ruby-lang.org/issues/16897
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if Module.respond_to?(:ruby2_keywords, true)
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ruby2_keywords(m)
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end
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end
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end
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memoize :pluralize, :singularize, :camelize, :underscore, :humanize,
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:titleize, :tableize, :classify, :foreign_key
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end
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end
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module ActiveSupport
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module Inflector
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class Inflections
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def self.clear_memoize(*args)
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args.each do |method_name|
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orig = "#{method_name}_without_clear_memoize"
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alias_method orig, method_name
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define_method(method_name) do |*arguments|
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ActiveSupport::Inflector.clear_memoize!
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public_send(orig, *arguments)
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end
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end
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end
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clear_memoize :acronym, :plural, :singular, :irregular, :uncountable, :human, :clear
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end
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end
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end
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