From 32c0e75f91ef8f741e125423bfda99f0455ed77d Mon Sep 17 00:00:00 2001
From: Jono M <reason.koan@gmail.com>
Date: Thu, 29 Jun 2023 13:42:20 +1200
Subject: [PATCH 1/3] fix(build): style insert order for UMD builds

---
 packages/vite/src/node/plugins/css.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/vite/src/node/plugins/css.ts b/packages/vite/src/node/plugins/css.ts
index b2465d4a1d45ba..a270b5e8db3f2f 100644
--- a/packages/vite/src/node/plugins/css.ts
+++ b/packages/vite/src/node/plugins/css.ts
@@ -683,10 +683,10 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
             `${style}.textContent = ${cssString};` +
             `document.head.appendChild(${style});`
           const wrapIdx = code.indexOf('System.register')
-          const executeFnStart =
-            code.indexOf('{', code.indexOf('execute:', wrapIdx)) + 1
+          const executeFnStart = wrapIdx >= 0 ? code.indexOf('execute:', wrapIdx) : 0
+          const injectionPoint = code.indexOf('{', executeFnStart) + 1
           const s = new MagicString(code)
-          s.appendRight(executeFnStart, injectCode)
+          s.appendRight(injectionPoint, injectCode)
           if (config.build.sourcemap) {
             // resolve public URL from CSS paths, we need to use absolute paths
             return {

From 982c61a20cf2f9db7f9b75cad61db9152c80785b Mon Sep 17 00:00:00 2001
From: binary-koan <reason.koan@gmail.com>
Date: Thu, 29 Jun 2023 14:01:04 +1200
Subject: [PATCH 2/3] chore: format

---
 packages/vite/src/node/plugins/css.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/vite/src/node/plugins/css.ts b/packages/vite/src/node/plugins/css.ts
index a270b5e8db3f2f..cf21b1a974e42a 100644
--- a/packages/vite/src/node/plugins/css.ts
+++ b/packages/vite/src/node/plugins/css.ts
@@ -683,7 +683,8 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
             `${style}.textContent = ${cssString};` +
             `document.head.appendChild(${style});`
           const wrapIdx = code.indexOf('System.register')
-          const executeFnStart = wrapIdx >= 0 ? code.indexOf('execute:', wrapIdx) : 0
+          const executeFnStart =
+            wrapIdx >= 0 ? code.indexOf('execute:', wrapIdx) : 0
           const injectionPoint = code.indexOf('{', executeFnStart) + 1
           const s = new MagicString(code)
           s.appendRight(injectionPoint, injectCode)

From 91eadffb50965ed49505a6e56711030452977529 Mon Sep 17 00:00:00 2001
From: Jono Mingard <reason.koan@gmail.com>
Date: Fri, 14 Jul 2023 09:57:47 +0900
Subject: [PATCH 3/3] fix(build): inject css below use strict directive

---
 packages/vite/src/node/plugins/css.ts | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/vite/src/node/plugins/css.ts b/packages/vite/src/node/plugins/css.ts
index cf21b1a974e42a..9c530f9cfbf9b2 100644
--- a/packages/vite/src/node/plugins/css.ts
+++ b/packages/vite/src/node/plugins/css.ts
@@ -682,10 +682,15 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
             `var ${style} = document.createElement('style');` +
             `${style}.textContent = ${cssString};` +
             `document.head.appendChild(${style});`
+          let injectionPoint
           const wrapIdx = code.indexOf('System.register')
-          const executeFnStart =
-            wrapIdx >= 0 ? code.indexOf('execute:', wrapIdx) : 0
-          const injectionPoint = code.indexOf('{', executeFnStart) + 1
+          if (wrapIdx >= 0) {
+            const executeFnStart = code.indexOf('execute:', wrapIdx)
+            injectionPoint = code.indexOf('{', executeFnStart) + 1
+          } else {
+            const insertMark = "'use strict';"
+            injectionPoint = code.indexOf(insertMark) + insertMark.length
+          }
           const s = new MagicString(code)
           s.appendRight(injectionPoint, injectCode)
           if (config.build.sourcemap) {