From 4f9a15eced22021b3b78b16eba1a750da742f48d Mon Sep 17 00:00:00 2001
From: Ivan Hofer <ivan.hofer@outlook.com>
Date: Sat, 14 Nov 2020 18:05:40 +0100
Subject: [PATCH] slightly improve output size by refactoring add_css method

---
 src/compiler/compile/render_dom/index.ts | 2 +-
 src/runtime/internal/dom.ts              | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/compiler/compile/render_dom/index.ts b/src/compiler/compile/render_dom/index.ts
index 4db7a6815a..22eacde32b 100644
--- a/src/compiler/compile/render_dom/index.ts
+++ b/src/compiler/compile/render_dom/index.ts
@@ -45,7 +45,7 @@ export default function dom(
 	if (should_add_css) {
 		body.push(b`
 			function ${add_css}(customStyleTag) {
-				@appendStyleIfNotPresent(customStyleTag || @_document.head, "${component.stylesheet.id}-style", "${styles}");
+				@appendStyleIfNotPresent(customStyleTag, "${component.stylesheet.id}", "${styles}");
 			}
 		`);
 	}
diff --git a/src/runtime/internal/dom.ts b/src/runtime/internal/dom.ts
index 94214eef02..ed665427d0 100644
--- a/src/runtime/internal/dom.ts
+++ b/src/runtime/internal/dom.ts
@@ -1,6 +1,10 @@
 import { has_prop } from './utils';
 
-export function appendStyleIfNotPresent(target: Element, styleId: string, styles: string) {
+export function appendStyleIfNotPresent(
+	target: Element = document.head,
+	styleSheetId: string,
+	styles: string,
+	styleId:string = styleSheetId + '-style') {
 	if (!target.querySelector('#' + styleId)) {
 		const style = element('style');
 		style.id = styleId;