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Return last hook return value in Dispatcher#emit

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Thibault Jouan 2015-04-20 04:41:30 +00:00
parent 7c440e28d2
commit c69a600ca4
2 changed files with 8 additions and 1 deletions
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4
lib/uh/wm/dispatcher.rb
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@ -16,7 +16,9 @@ module Uh
end end
def emit *key, args: [] def emit *key, args: []
@hooks[translate_key key].each { |e| e.call *args } value = nil
@hooks[translate_key key].each { |e| value = e.call *args }
value
end end

5
spec/uh/wm/dispatcher_spec.rb
View File

@ -45,6 +45,11 @@ module Uh
expect { dispatcher.emit :hook_key }.to throw_symbol :hook_code expect { dispatcher.emit :hook_key }.to throw_symbol :hook_code
end end
it 'returns the value returned by a registered hook' do
dispatcher.on(:hook_key) { :hook_code }
expect(dispatcher.emit :hook_key).to eq :hook_code
end
context 'when no hooks are registered for given key' do context 'when no hooks are registered for given key' do
it 'does not call another hook' do it 'does not call another hook' do
dispatcher.on(:hook_key) { throw :hook_code } dispatcher.on(:hook_key) { throw :hook_code }