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

mrtcode · mrtcode · commit db37333cafca · 2026-04-28T18:08:17.000+03:00
diff --git a/src/display/canvas.js b/src/display/canvas.js
@@ -701,7 +701,7 @@ 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
`@@ -701,7 +701,7 @@ class CanvasGraphics {`
`701`	`701`	`// foreground: '#D8DEE9',`
`702`	`702`	`// };`
`703`	`703`
`704`		`- if (window.theme && !this.ctx.skipBlender) {`
	`704`	`+ if (typeof window !== 'undefined' && window.theme && !this.ctx.skipBlender) {`
`705`	`705`	`this.blender = new Blender(this.ctx, window.theme);`
`706`	`706`	`}`
`707`	`707`	`// For pdfs that use blend modes we have to clear the canvas else certain`