discourse/lib/stylesheet/compiler.rb

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# frozen_string_literal: true
require 'stylesheet/importer'
module Stylesheet
class Compiler
ASSET_ROOT = "#{Rails.root}/app/assets/stylesheets" unless defined? ASSET_ROOT
def self.compile_asset(asset, options = {})
importer = Importer.new(options)
file = importer.prepended_scss
if Importer::THEME_TARGETS.include?(asset.to_s)
filename = "theme_#{options[:theme_id]}.scss"
file += options[:theme_variables].to_s
file += importer.theme_import(asset)
elsif plugin_assets = Importer.plugin_assets[asset.to_s]
filename = "#{asset.to_s}.scss"
options[:load_paths] = [] if options[:load_paths].nil?
plugin_assets.each do |src|
file += File.read src
options[:load_paths] << File.expand_path(File.dirname(src))
end
else
filename = "#{asset}.scss"
path = "#{ASSET_ROOT}/#{filename}"
file += File.read path
case asset.to_s
when "embed", "publish"
file += importer.font
when "wizard"
file += importer.wizard_fonts
when Stylesheet::Manager::COLOR_SCHEME_STYLESHEET
file += importer.import_color_definitions
file += importer.import_wcag_overrides
file += importer.category_backgrounds
file += importer.font
end
end
compile(file, filename, options)
end
def self.compile(stylesheet, filename, options = {})
source_map_file = options[:source_map_file] || "#{filename.sub(".scss", "")}.css.map"
load_paths = [ASSET_ROOT]
load_paths += options[:load_paths] if options[:load_paths]
engine = SassC::Engine.new(stylesheet,
filename: filename,
style: :compressed,
source_map_file: source_map_file,
source_map_contents: true,
theme_id: options[:theme_id],
theme: options[:theme],
theme_field: options[:theme_field],
color_scheme_id: options[:color_scheme_id],
load_paths: load_paths)
result = engine.render
if options[:rtl]
require 'r2'
[R2.r2(result), nil]
else
source_map = engine.source_map
source_map.force_encoding("UTF-8")
[result, source_map]
end
end
end
end