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Work around for scrollBy() after scrollTo() does not work

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This commit is contained in:
Shin'ya Ueoka 2019-02-17 12:50:24 +09:00
parent 4a2b2e6134
commit b9d41333c1
1 changed files with 8 additions and 15 deletions
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23
src/content/scrolls.js
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@ -62,29 +62,22 @@ class Scroller {
}
scrollTo(x, y) {
let behavior = this.smooth ? 'smooth' : 'auto';
if (!this.smooth) {
this.element.scrollTo(x, y);
return;
}
this.element.scrollTo({
left: x,
top: y,
behavior: behavior,
behavior: 'smooth',
});
if (!this.smooth) {
return;
}
this.prepareReset();
}
scrollBy(x, y) {
let behavior = this.smooth ? 'smooth' : 'auto';
this.element.scrollBy({
left: x,
top: y,
behavior: behavior,
});
if (!this.smooth) {
return;
}
this.prepareReset();
let left = this.element.scrollLeft + x;
let top = this.element.scrollTop + y;
this.scrollTo(left, top);
}
prepareReset() {