From 259cc8b48a7f422140c1f1e55161804f6b38f103 Mon Sep 17 00:00:00 2001
From: Lorenzo Nuvoletta <LorenzoNuvoletta@gmail.com>
Date: Thu, 10 Sep 2026 08:56:02 -0600
Subject: [PATCH] fix(canvas2d): return TextMetrics for empty measureText

Pixi 8 CanvasTextSystem reads .width on empty remainder strings when
letter-spacing is present. Returning without a metrics object crashes
any Pixi Text on NativeScript Canvas.
---
 .../ios/src/cpp/canvas2d/CanvasRenderingContext2DImpl.cpp      | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/canvas/platforms/ios/src/cpp/canvas2d/CanvasRenderingContext2DImpl.cpp b/packages/canvas/platforms/ios/src/cpp/canvas2d/CanvasRenderingContext2DImpl.cpp
index 180beee8..f417946a 100644
--- a/packages/canvas/platforms/ios/src/cpp/canvas2d/CanvasRenderingContext2DImpl.cpp
+++ b/packages/canvas/platforms/ios/src/cpp/canvas2d/CanvasRenderingContext2DImpl.cpp
@@ -3133,7 +3133,8 @@ CanvasRenderingContext2DImpl::MeasureText(const v8::FunctionCallbackInfo<v8::Val
     }
 
     const int text_utf8_len = canvas::Utf8Length(js_str, isolate);
-    if (text_utf8_len == 0) return;
+    // Empty strings still return a TextMetrics instance, as required by Canvas 2D.
+    // Pixi 8 CanvasTextSystem reads .width on empty remainder strings.
 
     auto &scratch = g_tls_scratch;
     const size_t prefix_len = ptr->cached_font_.size() + 1