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58 lines
2.0 KiB
58 lines
2.0 KiB
import getBoundingClientRect from "./getBoundingClientRect.js";
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import getNodeScroll from "./getNodeScroll.js";
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import getNodeName from "./getNodeName.js";
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import { isHTMLElement } from "./instanceOf.js";
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import getWindowScrollBarX from "./getWindowScrollBarX.js";
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import getDocumentElement from "./getDocumentElement.js";
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import isScrollParent from "./isScrollParent.js";
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import { round } from "../utils/math.js";
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function isElementScaled(element) {
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var rect = element.getBoundingClientRect();
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var scaleX = round(rect.width) / element.offsetWidth || 1;
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var scaleY = round(rect.height) / element.offsetHeight || 1;
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return scaleX !== 1 || scaleY !== 1;
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} // Returns the composite rect of an element relative to its offsetParent.
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// Composite means it takes into account transforms as well as layout.
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export default function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) {
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if (isFixed === void 0) {
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isFixed = false;
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}
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var isOffsetParentAnElement = isHTMLElement(offsetParent);
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var offsetParentIsScaled = isHTMLElement(offsetParent) && isElementScaled(offsetParent);
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var documentElement = getDocumentElement(offsetParent);
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var rect = getBoundingClientRect(elementOrVirtualElement, offsetParentIsScaled);
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var scroll = {
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scrollLeft: 0,
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scrollTop: 0
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};
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var offsets = {
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x: 0,
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y: 0
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};
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if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
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if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078
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isScrollParent(documentElement)) {
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scroll = getNodeScroll(offsetParent);
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}
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if (isHTMLElement(offsetParent)) {
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offsets = getBoundingClientRect(offsetParent, true);
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offsets.x += offsetParent.clientLeft;
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offsets.y += offsetParent.clientTop;
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} else if (documentElement) {
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offsets.x = getWindowScrollBarX(documentElement);
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}
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}
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return {
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x: rect.left + scroll.scrollLeft - offsets.x,
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y: rect.top + scroll.scrollTop - offsets.y,
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width: rect.width,
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height: rect.height
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};
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}
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