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// Detect RTL scroll type
// Based on https://github.com/othree/jquery.rtl-scroll-type/blob/master/src/jquery.rtl-scroll.js
export default function scrollType() {
var type = "reverse";
var definer = createDefiner();
document.body.appendChild(definer);
if (definer.scrollLeft > 0) {
type = "default";
} else {
if (typeof Element !== 'undefined' && Element.prototype.scrollIntoView) {
definer.children[0].children[1].scrollIntoView();
if (definer.scrollLeft < 0) {
type = "negative";
}
} else {
definer.scrollLeft = 1;
if (definer.scrollLeft === 0) {
type = "negative";
}
}
}
document.body.removeChild(definer);
return type;
}
export function createDefiner() {
var definer = document.createElement('div');
definer.dir="rtl";
definer.style.position = "fixed";
definer.style.width = "1px";
definer.style.height = "1px";
definer.style.top = "0px";
definer.style.left = "0px";
definer.style.overflow = "hidden";
var innerDiv = document.createElement('div');
innerDiv.style.width = "2px";
var spanA = document.createElement('span');
spanA.style.width = "1px";
spanA.style.display = "inline-block";
var spanB = document.createElement('span');
spanB.style.width = "1px";
spanB.style.display = "inline-block";
innerDiv.appendChild(spanA);
innerDiv.appendChild(spanB);
definer.appendChild(innerDiv);
return definer;
}
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