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require "sprockets/export/template"
require "ostruct"
module Sprockets::Export::BundleProcessor
extend self
PATTERN = /(.*)\/\* !START EXPORT (\S*)\s*(\S*) \*\/(.*)\/\* !END EXPORT \*\/(.*)/m
def call(input)
Sprockets::Export::Store.reset
data = input[:data]
if data =~ PATTERN
data = Sprockets::Export::Template.new(extract_template_data(data)).render
end
{ data: data }
end
private
def extract_template_data(js)
_, head, namespace, flags, export, tail = *js.match(PATTERN)
{ namespace: namespace,
flags: create_flags(flags),
export: format(export),
head: format(head),
tail: format(tail) }
end
def format(part)
part.strip.gsub(/\A\s*;\n*|\n;\s*\z/, "").strip
end
def create_flags(string = "")
flags = {}
string.split.each { |flag| flags[flag] = true }
OpenStruct.new(flags)
end
end
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