Beanz/pdf.js
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Merge pull request #19206 from nicolo-ribaudo/canvas-prepend

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Simplify logic to insert canvas as first element
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calixteman 2024-12-10 14:59:18 +01:00 committed by GitHub
commit aa589b9068
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1 changed files with 2 additions and 12 deletions
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web/pdf_page_view.js
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@ -989,12 +989,7 @@ class PDFPageView {
// drawing is complete when `!this.renderingQueue`, to prevent black // drawing is complete when `!this.renderingQueue`, to prevent black
// flickering. // flickering.
// In whatever case, the canvas must be the first child. // In whatever case, the canvas must be the first child.
const { firstChild } = canvasWrapper; canvasWrapper.prepend(canvas);
if (firstChild) {
firstChild.before(canvas);
} else {
canvasWrapper.append(canvas);
}
showCanvas = null; showCanvas = null;
return; return;
} }
@ -1006,12 +1001,7 @@ class PDFPageView {
prevCanvas.replaceWith(canvas); prevCanvas.replaceWith(canvas);
prevCanvas.width = prevCanvas.height = 0; prevCanvas.width = prevCanvas.height = 0;
} else { } else {
const { firstChild } = canvasWrapper; canvasWrapper.prepend(canvas);
if (firstChild) {
firstChild.before(canvas);
} else {
canvasWrapper.append(canvas);
}
} }
showCanvas = null; showCanvas = null;