Methods

Constants

METHOD_CACHES = Hash.new { |h, k| h[k] = Module.new }

Class Public methods

new(namespace)

📝 Source code
# File activesupport/lib/active_support/code_generator.rb, line 8
      def initialize(namespace)
        @cache = METHOD_CACHES[namespace]
        @sources = []
        @methods = {}
        @canonical_methods = {}
      end
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Instance Public methods

apply(owner, path, line)

📝 Source code
# File activesupport/lib/active_support/code_generator.rb, line 28
      def apply(owner, path, line)
        unless @sources.empty?
          @cache.module_eval("# frozen_string_literal: true\n" + @sources.join(";"), path, line)
        end
        @canonical_methods.clear

        @methods.each do |as, canonical_name|
          owner.define_method(as, @cache.instance_method(canonical_name))
        end
      end
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define_cached_method(canonical_name, as: nil)

📝 Source code
# File activesupport/lib/active_support/code_generator.rb, line 15
      def define_cached_method(canonical_name, as: nil)
        canonical_name = canonical_name.to_sym
        as = (as || canonical_name).to_sym

        @methods.fetch(as) do
          unless @cache.method_defined?(canonical_name) || @canonical_methods[canonical_name]
            yield @sources
          end
          @canonical_methods[canonical_name] = true
          @methods[as] = canonical_name
        end
      end
🔎 See on GitHub