Fix undefined 'window' error in Web Worker and Node.js environments

mrtcode · mrtcode · commit 7cb304b6707d · 2025-11-06T19:37:12.000Z
diff --git a/src/display/canvas.js b/src/display/canvas.js
@@ -718,7 +718,7 @@ class CanvasGraphics {
     //   foreground: '#D8DEE9',
     // };
 
-    if (window.theme && !this.ctx.skipBlender) {
+    if (typeof window !== 'undefined' && window.theme && !this.ctx.skipBlender) {
       this.blender = new Blender(this.ctx, window.theme);
     }
     // For pdfs that use blend modes we have to clear the canvas else certain

Original file line number	Diff line number	Diff line change
`@@ -718,7 +718,7 @@ class CanvasGraphics {`
`718`	`718`	`// foreground: '#D8DEE9',`
`719`	`719`	`// };`
`720`	`720`
`721`		`- if (window.theme && !this.ctx.skipBlender) {`
	`721`	`+ if (typeof window !== 'undefined' && window.theme && !this.ctx.skipBlender) {`
`722`	`722`	`this.blender = new Blender(this.ctx, window.theme);`
`723`	`723`	`}`
`724`	`724`	`// For pdfs that use blend modes we have to clear the canvas else certain`