@qvant/qui-max
Version:
A Vue 3 Design system for Web.
49 lines (48 loc) • 2.06 kB
JavaScript
import getWindow from "./getWindow.js";
import getNodeName from "./getNodeName.js";
import getComputedStyle from "./getComputedStyle.js";
import { isHTMLElement, isShadowRoot } from "./instanceOf.js";
import isTableElement from "./isTableElement.js";
import getParentNode from "./getParentNode.js";
function getTrueOffsetParent(element) {
if (!isHTMLElement(element) || getComputedStyle(element).position === "fixed") {
return null;
}
return element.offsetParent;
}
function getContainingBlock(element) {
var isFirefox = navigator.userAgent.toLowerCase().indexOf("firefox") !== -1;
var isIE = navigator.userAgent.indexOf("Trident") !== -1;
if (isIE && isHTMLElement(element)) {
var elementCss = getComputedStyle(element);
if (elementCss.position === "fixed") {
return null;
}
}
var currentNode = getParentNode(element);
if (isShadowRoot(currentNode)) {
currentNode = currentNode.host;
}
while (isHTMLElement(currentNode) && ["html", "body"].indexOf(getNodeName(currentNode)) < 0) {
var css = getComputedStyle(currentNode);
if (css.transform !== "none" || css.perspective !== "none" || css.contain === "paint" || ["transform", "perspective"].indexOf(css.willChange) !== -1 || isFirefox && css.willChange === "filter" || isFirefox && css.filter && css.filter !== "none") {
return currentNode;
} else {
currentNode = currentNode.parentNode;
}
}
return null;
}
function getOffsetParent(element) {
var window = getWindow(element);
var offsetParent = getTrueOffsetParent(element);
while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === "static") {
offsetParent = getTrueOffsetParent(offsetParent);
}
if (offsetParent && (getNodeName(offsetParent) === "html" || getNodeName(offsetParent) === "body" && getComputedStyle(offsetParent).position === "static")) {
return window;
}
return offsetParent || getContainingBlock(element) || window;
}
export { getOffsetParent as default };
//# sourceMappingURL=getOffsetParent.js.map