From e5eb0f4c71f0df5c5af23cdd3f33add5c89c7d30 Mon Sep 17 00:00:00 2001
From: Erik Demaine <edemaine@mit.edu>
Date: Wed, 6 Dec 2023 11:01:57 -0500
Subject: [PATCH 1/2] Fix <use> with no contents

Fixes #278
---
 src/nodes/geometrynode.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nodes/geometrynode.ts b/src/nodes/geometrynode.ts
index 5d3ba4cf..d3a44743 100644
--- a/src/nodes/geometrynode.ts
+++ b/src/nodes/geometrynode.ts
@@ -80,7 +80,7 @@ export abstract class GeometryNode extends GraphicsNode {
 
   protected getBoundingBoxCore(context: Context): Rect {
     const path = this.getCachedPath(context)
-    if (!path) {
+    if (!path || !path.segments.length) {
       return [0, 0, 0, 0]
     }
     let minX = Number.POSITIVE_INFINITY

From 38a29437b4c0dc8be0d15258491b980ae1acdfe5 Mon Sep 17 00:00:00 2001
From: Erik Demaine <edemaine@mit.edu>
Date: Thu, 7 Dec 2023 11:18:03 -0500
Subject: [PATCH 2/2] Add test

---
 test/common/tests.js                   |   1 +
 test/specs/svg-use-empty/reference.pdf | Bin 0 -> 3440 bytes
 test/specs/svg-use-empty/spec.svg      |   6 ++++++
 3 files changed, 7 insertions(+)
 create mode 100644 test/specs/svg-use-empty/reference.pdf
 create mode 100644 test/specs/svg-use-empty/spec.svg

diff --git a/test/common/tests.js b/test/common/tests.js
index fa42728b..b4987013 100644
--- a/test/common/tests.js
+++ b/test/common/tests.js
@@ -55,6 +55,7 @@ window.tests = [
   'style-sheets',
   'svg-viewbox',
   'svg-use',
+  'svg-use-empty',
   'symbols',
   'text-fill-stroke',
   'text-placement',
diff --git a/test/specs/svg-use-empty/reference.pdf b/test/specs/svg-use-empty/reference.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..91dbb605a42b0565aeb1e6802ff5bb2a49864c09
GIT binary patch
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diff --git a/test/specs/svg-use-empty/spec.svg b/test/specs/svg-use-empty/spec.svg
new file mode 100644
index 00000000..a5fb1e36
--- /dev/null
+++ b/test/specs/svg-use-empty/spec.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 150">
+  <defs>
+    <path id="MJX-34-TEX-N-2061" d=""/>
+  </defs>
+  <use href="#MJX-34-TEX-N-2061" />
+</svg>