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Contents
# The BaseBinding class is the base for all bindings. It takes
# 4 arguments that should be passed up from the children (via super)
#
# 1. page - this class instance should provide:
# - a #templates methods that returns a hash for templates
# - an #events methods that returns an instance of DocumentEvents
# 2. target - an DomTarget or AttributeTarget
# 3. context - the context object the binding will be evaluated in
# 4. binding_name - the id for the comment (or id for attributes) where the
# binding will be inserted.
module Volt
class BaseBinding
attr_accessor :target, :context, :binding_name, :volt_app
def initialize(volt_app, target, context, binding_name)
@volt_app = volt_app
@target = target
@context = context
@binding_name = binding_name
@@binding_number ||= 10_000
end
def page
@volt_app.page
end
def dom_section
@dom_section ||= target.dom_section(@binding_name)
end
def remove
@dom_section.remove if @dom_section
# Clear any references
@target = nil
@context = nil
@dom_section = nil
end
def remove_anchors
@dom_section.remove_anchors if @dom_section
end
# log out a message about a failed computation or Promise.
def getter_fail(error)
message = "#{self.class.to_s} Error: #{error.inspect}"
if RUBY_PLATFORM == 'opal'
if `#{@getter}`
message += "\n" + `#{@getter}.toString()`
end
else
if error.respond_to?(:backtrace)
message += "\n" + error.backtrace.join("\n")
end
end
Volt.logger.error(message)
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems