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module Rabl
# DependencyTracker for ActionView to support cache digest
class Tracker
# Matches:
# extends "categories/show"
EXTENDS_DEPENDENCY = /
extends\s* # extends, followed by optional whitespace
\(? # start an optional parenthesis for the extends call
\s*["']([0-9a-z_\/\.]+) # the template name itself
/x
# Matches:
# partial "categories/show"
PARTIAL_DEPENDENCY = /
partial\s* # partial, followed by optional whitespace
\(? # start an optional parenthesis for the partial call
\s*["']([0-9a-z_\/\.]+) # the template name itself
/x
def self.call(name, template)
new(name, template).dependencies
end
def initialize(name, template)
@name, @template = name, template
end
def dependencies
(extends_dependencies + partial_dependencies).uniq
end
attr_reader :name, :template
private :name, :template
private
def source
template.source
end
def directory
name.split("/")[0..-2].join("/")
end
def extends_dependencies
source.scan(EXTENDS_DEPENDENCY).flatten
end
def partial_dependencies
source.scan(PARTIAL_DEPENDENCY).flatten
end
end
end
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