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Contents
module Hem
class << self
attr_accessor :asset_applicators
# Utility method to access (with initialization) the asset applicator registry.
# This allows you to register new asset applicator methods on a per-project basis.
# For example:
#
# Hem.asset_applicators.register /.*\.zip/ do |file|
# Dir.chdir File.dirname(file) do
# shell "unzip", file
# end
# end
#
# @see Hem::AssetApplicatorRegistry
# @return [Hem::AssetApplicatorRegistry] Applicator registry cotnainer
def asset_applicators
@asset_applicators ||= AssetApplicatorRegistry.new
end
end
private
# Thin wrapper over a hash to provide a means to "register" asset applicators
class AssetApplicatorRegistry < Array
# Register a new asset applicator
# @param [String] The name of the applicator
# @param [Regexp] Pattern to match against asset filename.
# @yield The block to be executed when an asset matches the pattern.
def register name, pattern, &block
self << AssetApplicator.new(name, pattern, block)
end
end
class AssetApplicator
attr_reader :name
def initialize(name, pattern, block)
@name = name
@pattern = pattern
@block = block
end
def matches?(file)
@pattern.match(file)
end
def call(file, opts = {})
@block.call file, opts
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems