71 lines
1.4 KiB
Ruby
71 lines
1.4 KiB
Ruby
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require 'listen'
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module Stylesheet
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class Watcher
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def self.watch(paths=nil)
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watcher = new(paths)
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watcher.start
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watcher
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end
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def initialize(paths)
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@paths = paths || ["app/assets/stylesheets", "plugins"]
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@queue = Queue.new
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end
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def start
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Thread.new do
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begin
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while true
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worker_loop
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end
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rescue => e
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STDERR.puts "CSS change notifier crashed #{e}"
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end
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end
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root = Rails.root.to_s
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@paths.each do |watch|
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Thread.new do
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begin
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Listen.to("#{root}/#{watch}") do |modified, added, _|
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paths = [modified, added].flatten
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paths.compact!
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paths.map!{|long| long[(root.length+1)..-1]}
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process_change(paths)
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end
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rescue => e
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STDERR.puts "Failed to listen for CSS changes at: #{watch}\n#{e}"
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end
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end
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end
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end
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def worker_loop
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@queue.pop
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while @queue.length > 0
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@queue.pop
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end
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message = ["desktop", "mobile", "admin"].map do |name|
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{hash: SecureRandom.hex, name: "/stylesheets/#{name}.css"}
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end
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Stylesheet::Manager.cache.clear
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MessageBus.publish '/file-change', message
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end
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def process_change(paths)
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paths.each do |path|
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if path =~ /\.(css|scss)$/
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@queue.push path
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end
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end
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end
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end
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end
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