@eccenca/gui-elements
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GUI elements based on other libraries, usable in React application, written in Typescript.
20 lines • 842 B
JavaScript
/**
* Find the scroll parent of an element, returns `false` if it cannot be found.
* In case of a `false` return the very probably `document.documentElement` is the parent.
* In this case `window` object should be used for scroll event listeners.
* See `src/components/Sticky/StickyTarget.tsx` for an usage example.
* @param element
* @returns HTMLElement | false
*/
export var getScrollParent = function (element) {
var scrollParent = element.parentElement;
while (scrollParent) {
var overflow = window.getComputedStyle(scrollParent).overflow;
if (overflow.split(" ").every(function (value) { return value === "auto" || value === "scroll"; })) {
return scrollParent;
}
scrollParent = scrollParent.parentElement;
}
return false;
};
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