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Versions: 12
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Contents
module Volt
class TaskHandler
if RUBY_PLATFORM == 'opal'
# On the front-end we setup a proxy class to the backend that returns
# promises for all calls.
def self.method_missing(name, *args, &block)
# Meta data is passed from the browser to the server so the server can know
# things like who's logged in.
meta_data = {}
user_id = $page.cookies._user_id
unless user_id.nil?
meta_data['user_id'] = user_id
end
$page.tasks.call(self.name, name, meta_data, *args, &block)
end
else
def initialize(channel = nil, dispatcher = nil)
@channel = channel
@dispatcher = dispatcher
end
def self.inherited(subclass)
@subclasses ||= []
@subclasses << subclass
end
def self.known_handlers
@subclasses ||= []
end
# On the backend, we proxy all class methods like we would
# on the front-end. This returns a promise, even if the
# original code did not.
def self.method_missing(name, *args, &block)
# TODO: optimize: this could run the inside first to see if it
# returns a promise, so we don't have to wrap it.
return Promise.new.then do
new(nil, nil).send(name, *args, &block)
end.resolve(nil)
end
# Provide access to the store collection
def store
$page.store
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems