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

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merged 1 commit into from
Feb 24, 2022
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fix: Uncaught TypeError: Illegal invocation when recording incremental canvas mutation #844

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3 changes: 2 additions & 1 deletion packages/rrweb-snapshot/src/utils.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -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),
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