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Add callback so v4 extensions can see when other extensions are activated
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6 changed files with 63 additions and 1 deletions
8
middleman-core/features/v4_extension_callbacks.feature
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8
middleman-core/features/v4_extension_callbacks.feature
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Feature: v4 Extensions should have after_activated hooks
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Scenario: Hello Helper
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Given the Server is running at "v4-extension-callbacks"
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Then going to "/index.html" should not raise an exception
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And I should see "Extension One: true"
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And I should see "Extension Two: true"
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26
middleman-core/fixtures/v4-extension-callbacks/config.rb
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middleman-core/fixtures/v4-extension-callbacks/config.rb
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class ExtensionOne < ::Middleman::Extension
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def initialize(app, options_hash={})
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super
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after_extension_activated :extension_two do
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app.set :extension_two_was_activated, true
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end
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end
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end
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ExtensionOne.register
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class ExtensionTwo < ::Middleman::Extension
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def initialize(app, options_hash={})
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super
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after_extension_activated :extension_one do
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app.set :extension_one_was_activated, true
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end
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end
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end
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ExtensionTwo.register
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activate :extension_one
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activate :extension_two
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@ -0,0 +1,2 @@
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Extension One: <%= extension_one_was_activated.inspect %>
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Extension Two: <%= extension_two_was_activated.inspect %>
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@ -142,6 +142,7 @@ module Middleman
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# Search the root of the project for required files
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$LOAD_PATH.unshift(root)
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::Middleman::Extension.clear_after_extension_callbacks
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run_hook :initialized
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if config[:autoload_sprockets]
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@ -178,7 +179,7 @@ module Middleman
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run_hook :after_configuration
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logger.debug "Loaded extensions:"
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self.extensions.each do |ext,_|
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self.extensions.each do |ext, klass|
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if ext.is_a?(Hash)
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ext.each do |k,_|
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logger.debug "== Extension: #{k}"
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@ -186,6 +187,10 @@ module Middleman
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else
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logger.debug "== Extension: #{ext}"
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end
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if klass.is_a?(::Middleman::Extension)
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::Middleman::Extension.activated_extension(klass)
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end
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end
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end
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end
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@ -1,4 +1,5 @@
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require "active_support/core_ext/class/attribute"
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require "active_support/core_ext/module/delegation"
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module Middleman
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@ -131,11 +132,31 @@ module Middleman
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def activate
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new(::Middleman::Application)
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end
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def clear_after_extension_callbacks
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@_extension_activation_callbacks = {}
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end
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def after_extension_activated(name, &block)
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@_extension_activation_callbacks ||= {}
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@_extension_activation_callbacks[name] ||= []
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@_extension_activation_callbacks[name] << block if block_given?
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end
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def activated_extension(instance)
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name = instance.class.extension_name
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return unless @_extension_activation_callbacks && @_extension_activation_callbacks[name]
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@_extension_activation_callbacks[name].each do |block|
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block.arity == 1 ? block.call(instance) : block.call()
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end
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end
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end
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attr_accessor :options
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attr_reader :app
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delegate :after_extension_activated, :to => :"::Middleman::Extension"
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def initialize(klass, options_hash={}, &block)
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@_helpers = []
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@klass = klass
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