From 270bd3a72dbf8dfb839909545659dde1d14e1e38 Mon Sep 17 00:00:00 2001
From: Ben McCann <322311+benmccann@users.noreply.github.com>
Date: Fri, 13 Aug 2021 18:33:32 -0700
Subject: [PATCH] fix: skip optimizer run on non-JS script tags (#4565)

---
 packages/vite/src/node/optimizer/scan.ts | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/packages/vite/src/node/optimizer/scan.ts b/packages/vite/src/node/optimizer/scan.ts
index e8f58e1da10385..26ad02675e518a 100644
--- a/packages/vite/src/node/optimizer/scan.ts
+++ b/packages/vite/src/node/optimizer/scan.ts
@@ -135,6 +135,7 @@ const scriptModuleRE =
 export const scriptRE = /(<script\b(?:\s[^>]*>|>))(.*?)<\/script>/gims
 export const commentRE = /<!--(.|[\r\n])*?-->/
 const srcRE = /\bsrc\s*=\s*(?:"([^"]+)"|'([^']+)'|([^\s'">]+))/im
+const typeRE = /\btype\s*=\s*(?:"([^"]+)"|'([^']+)'|([^\s'">]+))/im
 const langRE = /\blang\s*=\s*(?:"([^"]+)"|'([^']+)'|([^\s'">]+))/im
 
 function esbuildScanPlugin(
@@ -207,9 +208,23 @@ function esbuildScanPlugin(
           while ((match = regex.exec(raw))) {
             const [, openTag, content] = match
             const srcMatch = openTag.match(srcRE)
+            const typeMatch = openTag.match(typeRE)
             const langMatch = openTag.match(langRE)
+            const type =
+              typeMatch && (typeMatch[1] || typeMatch[2] || typeMatch[3])
             const lang =
               langMatch && (langMatch[1] || langMatch[2] || langMatch[3])
+            // skip type="application/ld+json" and other non-JS types
+            if (
+              type &&
+              !(
+                type.includes('javascript') ||
+                type.includes('ecmascript') ||
+                type === 'module'
+              )
+            ) {
+              continue
+            }
             if (lang === 'ts' || lang === 'tsx' || lang === 'jsx') {
               loader = lang
             }