fix: Uncaught TypeError: Illegal invocation when recording incremental canvas mutation (#844)

2026-04-01 12:00:00 +08:00
parent e125c5235d
commit 5cd7a0042b
1 changed files with 2 additions and 1 deletions
--- a/packages/rrweb-snapshot/src/utils.ts
+++ b/packages/rrweb-snapshot/src/utils.ts
@@ -60,7 +60,8 @@ export function is2DCanvasBlank(canvas: HTMLCanvasElement): boolean {
      // even if we can already tell from the first chunk(s) that
      // the canvas isn't blank
      const pixelBuffer = new Uint32Array(
-        originalGetImageData(
+        originalGetImageData.call(
+          ctx,
          x,
          y,
          Math.min(chunkSize, canvas.width - x),