From 5a35a6c0a41d99a82f35c776f74887f25d7d2f76 Mon Sep 17 00:00:00 2001
From: Lukas Trombach <me@lukastrombach.dev>
Date: Sun, 2 Feb 2025 12:02:35 +0100
Subject: [PATCH 1/3] fix(parser): persist the current namespace when adding an
 expression node

---
 internal/parser.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/internal/parser.go b/internal/parser.go
index ac01859b9..42d7eb0d8 100644
--- a/internal/parser.go
+++ b/internal/parser.go
@@ -391,6 +391,7 @@ func (p *parser) addExpression() {
 		CustomElement: false,
 		HandledScript: false,
 		Loc:           p.generateLoc(),
+		Namespace:     p.top().Namespace,
 	})
 
 }

From b34bc546f304525dccfcab26bcd1b5e2b3e45b74 Mon Sep 17 00:00:00 2001
From: Lukas Trombach <me@lukastrombach.dev>
Date: Sun, 2 Feb 2025 12:07:23 +0100
Subject: [PATCH 2/3] test: add printer test for `image` tag inside svg context

---
 ...s_preserved_when_inside_an_expression.snap | 41 +++++++++++++++++++
 internal/printer/printer_test.go              |  8 +++-
 2 files changed, 47 insertions(+), 2 deletions(-)
 create mode 100755 internal/printer/__printer_js__/namespace_is_preserved_when_inside_an_expression.snap

diff --git a/internal/printer/__printer_js__/namespace_is_preserved_when_inside_an_expression.snap b/internal/printer/__printer_js__/namespace_is_preserved_when_inside_an_expression.snap
new file mode 100755
index 000000000..472045568
--- /dev/null
+++ b/internal/printer/__printer_js__/namespace_is_preserved_when_inside_an_expression.snap
@@ -0,0 +1,41 @@
+
+[TestPrinter/namespace_is_preserved_when_inside_an_expression - 1]
+## Input
+
+```
+<svg>{<image />}</svg>
+```
+
+## Output
+
+```js
+import {
+  Fragment,
+  render as $$render,
+  createAstro as $$createAstro,
+  createComponent as $$createComponent,
+  renderComponent as $$renderComponent,
+  renderHead as $$renderHead,
+  maybeRenderHead as $$maybeRenderHead,
+  unescapeHTML as $$unescapeHTML,
+  renderSlot as $$renderSlot,
+  mergeSlots as $$mergeSlots,
+  addAttribute as $$addAttribute,
+  spreadAttributes as $$spreadAttributes,
+  defineStyleVars as $$defineStyleVars,
+  defineScriptVars as $$defineScriptVars,
+  renderTransition as $$renderTransition,
+  createTransitionScope as $$createTransitionScope,
+  renderScript as $$renderScript,
+  createMetadata as $$createMetadata
+} from "http://localhost:3000/";
+
+export const $$metadata = $$createMetadata(import.meta.url, { modules: [], hydratedComponents: [], clientOnlyComponents: [], hydrationDirectives: new Set([]), hoisted: [] });
+
+const $$Component = $$createComponent(($$result, $$props, $$slots) => {
+
+return $$render`${$$maybeRenderHead($$result)}<svg>${$$render`<image></image>`}</svg>`;
+}, undefined, undefined);
+export default $$Component;
+```
+---
diff --git a/internal/printer/printer_test.go b/internal/printer/printer_test.go
index 12d1ae9ee..fac41f730 100644
--- a/internal/printer/printer_test.go
+++ b/internal/printer/printer_test.go
@@ -905,8 +905,8 @@ import Widget2 from '../components/Widget2.astro';
 		{
 			// maintain the original behavior, though it may be
 			// unneeded as renderScript is now on by default
-			name:   "script external in expression (renderScript: false)",
-			source: `<main>{<script src="./hello.js"></script>}`,
+			name:     "script external in expression (renderScript: false)",
+			source:   `<main>{<script src="./hello.js"></script>}`,
 			filename: "/src/pages/index.astro",
 		},
 		{
@@ -2072,6 +2072,10 @@ const meta = { title: 'My App' };
 	</body>
 </html>`,
 		},
+		{
+			name:   "namespace is preserved when inside an expression",
+			source: `<svg>{<image />}</svg>`,
+		},
 	}
 	for _, tt := range tests {
 		if tt.only {

From a30bd42a35b51808bce1dd2cbc944d4b9843df00 Mon Sep 17 00:00:00 2001
From: Lukas Trombach <me@lukastrombach.dev>
Date: Sun, 2 Feb 2025 12:25:20 +0100
Subject: [PATCH 3/3] chore: add changeset

---
 .changeset/plenty-geese-laugh.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/plenty-geese-laugh.md

diff --git a/.changeset/plenty-geese-laugh.md b/.changeset/plenty-geese-laugh.md
new file mode 100644
index 000000000..8d3d610f9
--- /dev/null
+++ b/.changeset/plenty-geese-laugh.md
@@ -0,0 +1,5 @@
+---
+"@astrojs/compiler": patch
+---
+
+Fixes an issue when parsing elements inside foreign content (e.g. SVG), when they were inside an expression