require 'pathname' require 'tsort' class Updater module Js INLINED_SRCS = %w[index.js tools/sanitizer.js].freeze EXTERNAL_JS = %w[popper.js].freeze def update_javascript_assets log_status 'Updating javascripts...' save_to = @save_to[:js] read_files('js/dist', bootstrap_js_files).each do |name, content| save_file("#{save_to}/#{name}", remove_source_mapping_url(content)) end log_processed "#{bootstrap_js_files * ' '}" log_status 'Updating javascript manifest' manifest = '' bootstrap_js_files.each do |name| name = name.gsub(/\.js$/, '') manifest << "//= require ./bootstrap/#{name}\n" end dist_js = read_files('dist/js', %w(bootstrap.js bootstrap.min.js)) { 'assets/javascripts/bootstrap-sprockets.js' => manifest, 'assets/javascripts/bootstrap.js' => dist_js['bootstrap.js'], 'assets/javascripts/bootstrap.min.js' => dist_js['bootstrap.min.js'], }.each do |path, content| save_file path, remove_source_mapping_url(content) log_processed path end end def bootstrap_js_files @bootstrap_js_files ||= begin src_files = get_paths_by_type('js/src', /\.js$/) - INLINED_SRCS puts "src_files: #{src_files.inspect}" imports = Deps.new # Get the imports from the ES6 files to order requires correctly. read_files('js/src', src_files).each do |name, content| file_imports = content.scan(%r{import *(?:[a-zA-Z]*|\{[a-zA-Z ,]*\}) *from '([\w/.-]+)}).flatten(1).map do |f| Pathname.new(name).dirname.join(f.end_with?(".js") ? f : "#{f}.js").cleanpath.to_s end.uniq imports.add name, *(file_imports - INLINED_SRCS - EXTERNAL_JS) end imports.tsort end end def remove_source_mapping_url(content) content.sub(%r{^//# sourceMappingURL=.*\n?\z}, '') end class Deps include TSort def initialize @imports = {} end def add(from, *tos) imports = (@imports[from] ||= []) imports.push(*tos) imports.sort! end def tsort_each_child(node, &block) node_imports = @imports[node] if node_imports.nil? raise "No imports found for #{node.inspect}\nImports:\n#{@imports.inspect}" end node_imports.each(&block) end def tsort_each_node(&block) @imports.each_key(&block) end end end end