# typed: true # frozen_string_literal: true require 'frontman/builder/file' require 'frontman/config' require 'frontman/concerns/dispatch_events' require 'frontman/iterator' require 'sorbet-runtime' module Frontman module Builder class Builder extend T::Sig include Frontman::DispatchEvents attr_accessor :build_directory, :current_build_files, :public_dir sig { void } def initialize @emit_events = true @build_directory = Dir.pwd + '/build/' @public_dir = Frontman::Config.get(:public_dir, fallback: 'public/') @current_build_files = [] end sig do params(resource: Frontman::Resource).returns(Frontman::Builder::File) end def build_resource(resource) build_from_content(create_path_from_resource(resource), resource.render) end sig do params(resources: T::Array[Frontman::Resource]) .returns(T::Array[String]) end def build_from_resources(resources) # Disable emitting of events, this causes problems when done in parallel @emit_events = false opts = { in_processes: (Frontman::Iterator.processor_count / 2).ceil } resources = Frontman::Iterator.map(resources, opts) do |resource| build_resource(resource) end # After the resources are built, we emit all events synchronously @emit_events = true resources.map do |build_file| fire_build_event(build_file) build_file.path end end sig do params(assets_to_build: T::Array[String]).returns(T::Array[String]) end def build_assets(assets_to_build) # We need to go through ERB files at the end so assets_manifest filled assets_to_build.sort_by! { |f| f.end_with?('.erb') ? 1 : 0 } assets_to_build.map do |path| public_dir = ::File.join(@public_dir, '') if path.end_with?('.erb') build_file = build_from_erb( path, path.sub(public_dir, '').gsub('.erb', '') ) else build_file = build_from_asset( path, path.sub(public_dir, '') ) end build_file.path end end sig do params(path: String, manifest_path: String) .returns(Frontman::Builder::File) end def build_from_asset(path, manifest_path) target_path = create_target_path(manifest_path) build_from_content(target_path, ::File.read(path)) end sig do params(path: String, manifest_path: String) .returns(Frontman::Builder::File) end def build_from_erb(path, manifest_path) build_resource(Resource.from_path(path, manifest_path)) end sig { returns(T::Array[String]) } def build_redirects Frontman::App.instance.redirects.map do |from, to| build_file = build_redirect("#{from}index.html", to) build_file.path end end sig { params(files_to_delete: T::Array[String]).void } def delete_files(files_to_delete) files_to_delete.each do |path| delete_from_path(path) end end private sig do params(destination_path: String, redirect_to: String) .returns(Frontman::Builder::File) end def build_redirect(destination_path, redirect_to) content = <<~REDIRECT REDIRECT build_from_content(create_target_path(destination_path), content) end sig do params(build_file: Frontman::Builder::File) .returns(Frontman::Builder::File) end def fire_build_event(build_file) emit(build_file.status, build_file) if @emit_events build_file end sig { params(path: String).returns(Frontman::Builder::File) } def delete_from_path(path) FileUtils.rm_f(path) fire_build_event(File.deleted(path)) end sig { params(file_path: String, content: String).returns(T::Boolean) } def content_changed?(file_path, content) ::File.read(file_path) != content end sig { params(file_path: String).returns(T::Boolean) } def exists_in_current_build?(file_path) current_build_files.include?(file_path) end sig do params(file_path: String, content: String) .returns(Frontman::Builder::File) end def build_from_content(file_path, content) file_exists = exists_in_current_build?(file_path) if file_exists && !content_changed?(file_path, content) return fire_build_event(File.unchanged(file_path)) end ::File.write(file_path, content) fire_build_event( file_exists ? File.updated(file_path) : File.created(file_path) ) end sig { params(destination_path: String).returns(String) } def create_target_path(destination_path) # dir = destination_path.split('/')[0..-2].join('/') dir = ::File.dirname(destination_path) destination = build_directory + dir FileUtils.mkdir_p(destination) build_directory + destination_path.sub(%r{^/}, '') end sig { params(resource: Frontman::Resource).returns(String) } def create_path_from_resource(resource) create_target_path(resource.destination_path) end sig { params(path: String).returns(String) } def digest(path) ::Digest::SHA1.file(path).hexdigest[0..7] end end end end