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Use Element.scrollTo unconditionally in the GrabToPan class

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According to the MDN compatibility data this is available in all browsers that we currently support; please see https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollTo#browser_compatibility
This commit is contained in:
Jonas Jenwald 2023-06-28 12:34:03 +02:00
parent 4f82dd3932
commit d329267926
1 changed files with 6 additions and 12 deletions
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18
web/grab_to_pan.js
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@ -140,18 +140,12 @@ class GrabToPan {
}
const xDiff = event.clientX - this.clientXStart;
const yDiff = event.clientY - this.clientYStart;
const scrollTop = this.scrollTopStart - yDiff;
const scrollLeft = this.scrollLeftStart - xDiff;
if (this.element.scrollTo) {
this.element.scrollTo({
top: scrollTop,
left: scrollLeft,
behavior: "instant",
});
} else {
this.element.scrollTop = scrollTop;
this.element.scrollLeft = scrollLeft;
}
this.element.scrollTo({
top: this.scrollTopStart - yDiff,
left: this.scrollLeftStart - xDiff,
behavior: "instant",
});
if (!this.overlay.parentNode) {
document.body.append(this.overlay);
}