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|
# frozen_string_literal: true
require 'tilt'
module SassC
module Rails
class Importer < SassC::Importer
class Extension
attr_reader :postfix
def initialize(postfix=nil)
@postfix = postfix
end
def import_for(full_path, parent_dir, options)
SassC::Importer::Import.new(full_path)
end
end
class CSSExtension
def postfix
".css"
end
def import_for(full_path, parent_dir, options)
import_path = full_path.gsub(/\.css$/,"")
SassC::Importer::Import.new(import_path)
end
end
class CssScssExtension < Extension
def postfix
".css.scss"
end
def import_for(full_path, parent_dir, options)
source = File.open(full_path, 'rb') { |f| f.read }
SassC::Importer::Import.new(full_path, source: source)
end
end
class CssSassExtension < Extension
def postfix
".css.sass"
end
def import_for(full_path, parent_dir, options)
sass = File.open(full_path, 'rb') { |f| f.read }
parsed_scss = SassC::Sass2Scss.convert(sass)
SassC::Importer::Import.new(full_path, source: parsed_scss)
end
end
class SassERBExtension < Extension
def postfix
".sass.erb"
end
def import_for(full_path, parent_dir, options)
template = Tilt::ERBTemplate.new(full_path)
parsed_erb = template.render(options[:sprockets][:context], {})
parsed_scss = SassC::Sass2Scss.convert(parsed_erb)
SassC::Importer::Import.new(full_path, source: parsed_scss)
end
end
class ERBExtension < Extension
def import_for(full_path, parent_dir, options)
template = Tilt::ERBTemplate.new(full_path)
parsed_erb = template.render(options[:sprockets][:context], {})
SassC::Importer::Import.new(full_path, source: parsed_erb)
end
end
EXTENSIONS = [
CssScssExtension.new,
CssSassExtension.new,
SassERBExtension.new,
ERBExtension.new(".scss.erb"),
ERBExtension.new(".css.erb"),
Extension.new(".scss"),
Extension.new(".sass"),
CSSExtension.new
].freeze
PREFIXS = [ "", "_" ]
GLOB = /(\A|\/)(\*|\*\*\/\*)\z/
def imports(path, parent_path)
parent_dir, _ = File.split(parent_path)
specified_dir, specified_file = File.split(path)
if m = path.match(GLOB)
path = path.sub(m[0], "")
base = File.expand_path(path, File.dirname(parent_path))
return glob_imports(base, m[2], parent_path)
end
search_paths = ([parent_dir] + load_paths).uniq
if specified_dir != "."
search_paths.map! do |path|
File.join(path, specified_dir)
end
search_paths.select! do |path|
File.directory?(path)
end
end
search_paths.each do |search_path|
PREFIXS.each do |prefix|
file_name = prefix + specified_file
EXTENSIONS.each do |extension|
try_path = File.join(search_path, file_name + extension.postfix)
if File.exist?(try_path)
record_import_as_dependency try_path
return extension.import_for(try_path, parent_dir, options)
end
end
end
end
SassC::Importer::Import.new(path)
end
private
def extension_for_file(file)
EXTENSIONS.detect do |extension|
file.include? extension.postfix
end
end
def record_import_as_dependency(path)
context.depend_on path
end
def context
options[:sprockets][:context]
end
def load_paths
options[:load_paths]
end
def glob_imports(base, glob, current_file)
files = globbed_files(base, glob)
files = files.reject { |f| f == current_file }
files.map do |filename|
record_import_as_dependency(filename)
extension = extension_for_file(filename)
extension.import_for(filename, base, options)
end
end
def globbed_files(base, glob)
# TODO: Raise an error from SassC here
raise ArgumentError unless glob == "*" || glob == "**/*"
extensions = EXTENSIONS.map(&:postfix)
exts = extensions.map { |ext| Regexp.escape("#{ext}") }.join("|")
sass_re = Regexp.compile("(#{exts})$")
record_import_as_dependency(base)
files = Dir["#{base}/#{glob}"].sort.map do |path|
if File.directory?(path)
record_import_as_dependency(path)
nil
elsif sass_re =~ path
path
end
end
files.compact
end
end
end
end
|
