mirror of
https://github.com/discourse/discourse.git
synced 2024-11-25 01:32:23 +08:00
107 lines
3.2 KiB
Ruby
107 lines
3.2 KiB
Ruby
# This custom importer is used for site customizations. This is similar to the
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# Sprockets::SassImporter implementation provided in sass-rails since that is used
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# during asset precompilation.
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class DiscourseSassImporter < Sass::Importers::Filesystem
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module Sass
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def extensions
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{
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'css' => :scss,
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'css.scss' => :scss,
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'css.sass' => :sass,
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'css.erb' => :scss,
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'scss.erb' => :scss,
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'sass.erb' => :sass,
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'css.scss.erb' => :scss,
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'css.sass.erb' => :sass
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}.merge!(super)
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end
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def special_imports
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{
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"plugins" => DiscoursePluginRegistry.stylesheets,
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"plugins_mobile" => DiscoursePluginRegistry.mobile_stylesheets,
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"plugins_desktop" => DiscoursePluginRegistry.desktop_stylesheets,
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"plugins_variables" => DiscoursePluginRegistry.sass_variables,
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"theme_variables" => [ColorScheme::BASE_COLORS_FILE],
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"category_backgrounds" => Proc.new { |c| "body.category-#{c.full_slug} { background-image: url(#{apply_cdn(c.background_url)}) }\n" }
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}
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end
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def find_relative(name, base, options)
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engine_from_path(name, File.dirname(base), options)
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end
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def apply_cdn(url)
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"#{GlobalSetting.cdn_url}#{url}"
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end
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def find(name, options)
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if special_imports.has_key? name
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case name
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when "theme_variables"
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contents = ""
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if color_scheme = ColorScheme.enabled
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ColorScheme.base_colors.each do |n, base_hex|
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override = color_scheme.colors_by_name[n]
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contents << "$#{n}: ##{override ? override.hex : base_hex} !default;\n"
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end
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else
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special_imports[name].each do |css_file|
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contents << File.read(css_file)
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end
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end
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when "category_backgrounds"
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contents = ""
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Category.where('background_url IS NOT NULL').each do |c|
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contents << special_imports[name].call(c) if c.background_url.present?
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end
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else
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stylesheets = special_imports[name]
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contents = ""
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stylesheets.each do |css_file|
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if css_file =~ /\.scss$/
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contents << "@import '#{css_file}';"
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else
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contents << File.read(css_file)
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end
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depend_on(css_file)
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end
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end
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::Sass::Engine.new(contents, options.merge(
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filename: "#{name}.scss",
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importer: self,
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syntax: :scss
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))
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else
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engine_from_path(name, root, options)
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end
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end
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private
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def depend_on(filename)
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if @context
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@context.depend_on(filename)
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@context.depend_on(globbed_file_parent(filename))
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end
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end
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def engine_from_path(name, dir, options)
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full_filename, _ = ::Sass::Util.destructure(find_real_file(dir, name, options))
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return unless full_filename && File.readable?(full_filename)
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depend_on(full_filename)
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::Sass::Engine.for_file(full_filename, options)
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end
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end
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include Sass
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include ::Sass::Rails::SassImporter::Globbing
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def self.special_imports
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self.new('').special_imports
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end
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end
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