discourse/lib/autospec/reload_css.rb

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# frozen_string_literal: true
module Autospec; end
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class Autospec::ReloadCss
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WATCHERS = {}
def self.watch(pattern, &blk)
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WATCHERS[pattern] = blk
end
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# css, scss, sass or handlebars
watch(/\.css$/)
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watch(/\.ca?ss\.erb$/)
watch(/\.s[ac]ss$/)
watch(/\.hbs$/)
def self.message_bus
MessageBus::Instance.new.tap do |bus|
bus.site_id_lookup do
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# this is going to be dev the majority of the time
# if you have multisite configured in dev stuff may be different
"default"
end
end
end
def self.run_on_change(paths)
if paths.any? { |p| p =~ /\.(css|s[ac]ss)/ }
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# todo connect to dev instead?
ActiveRecord::Base.establish_connection
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[:desktop, :mobile].each do |style|
s = DiscourseStylesheets.new(style)
s.compile
paths << "public" + s.stylesheet_relpath_no_digest
end
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ActiveRecord::Base.clear_active_connections!
end
paths.map! do |p|
hash = nil
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fullpath = "#{Rails.root}/#{p}"
hash = Digest::MD5.hexdigest(File.read(fullpath)) if File.exists?(fullpath)
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p = p.sub(/\.sass\.erb/, "")
p = p.sub(/\.sass/, "")
p = p.sub(/\.scss/, "")
p = p.sub(/^app\/assets\/stylesheets/, "assets")
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{ name: p, hash: hash || SecureRandom.hex }
end
message_bus.publish "/file-change", paths
end
end