From 215fad8676f01895b9e5bf08d6c87d80a59c3e81 Mon Sep 17 00:00:00 2001
From: Aaron Dodson <adodson@google.com>
Date: Wed, 14 May 2025 15:45:02 -0700
Subject: [PATCH] fix: Remove un-typesafe cast. (#9052)

---
 core/utils/dom.ts | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/core/utils/dom.ts b/core/utils/dom.ts
index 87019dbb2..408798415 100644
--- a/core/utils/dom.ts
+++ b/core/utils/dom.ts
@@ -289,13 +289,13 @@ export function getFastTextWidthWithSizeString(
     // Initialize the HTML canvas context and set the font.
     // The context font must match blocklyText's fontsize and font-family
     // set in CSS.
-    canvasContext = computeCanvas.getContext('2d') as CanvasRenderingContext2D;
+    canvasContext = computeCanvas.getContext('2d');
   }
-  // Set the desired font size and family.
-  canvasContext.font = fontWeight + ' ' + fontSize + ' ' + fontFamily;
 
   // Measure the text width using the helper canvas context.
-  if (text) {
+  if (text && canvasContext) {
+    // Set the desired font size and family.
+    canvasContext.font = fontWeight + ' ' + fontSize + ' ' + fontFamily;
     width = canvasContext.measureText(text).width;
   } else {
     width = 0;