968 lines
35 KiB
JavaScript
968 lines
35 KiB
JavaScript
(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@floating-ui/core')) :
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typeof define === 'function' && define.amd ? define(['exports', '@floating-ui/core'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.FloatingUIDOM = {}, global.FloatingUICore));
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})(this, (function (exports, core) { 'use strict';
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/**
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* Custom positioning reference element.
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* @see https://floating-ui.com/docs/virtual-elements
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*/
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const min = Math.min;
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const max = Math.max;
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const round = Math.round;
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const floor = Math.floor;
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const createCoords = v => ({
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x: v,
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y: v
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});
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function hasWindow() {
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return typeof window !== 'undefined';
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}
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function getNodeName(node) {
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if (isNode(node)) {
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return (node.nodeName || '').toLowerCase();
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}
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// Mocked nodes in testing environments may not be instances of Node. By
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// returning `#document` an infinite loop won't occur.
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// https://github.com/floating-ui/floating-ui/issues/2317
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return '#document';
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}
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function getWindow(node) {
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var _node$ownerDocument;
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return (node == null || (_node$ownerDocument = node.ownerDocument) == null ? void 0 : _node$ownerDocument.defaultView) || window;
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}
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function getDocumentElement(node) {
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var _ref;
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return (_ref = (isNode(node) ? node.ownerDocument : node.document) || window.document) == null ? void 0 : _ref.documentElement;
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}
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function isNode(value) {
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if (!hasWindow()) {
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return false;
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}
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return value instanceof Node || value instanceof getWindow(value).Node;
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}
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function isElement(value) {
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if (!hasWindow()) {
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return false;
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}
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return value instanceof Element || value instanceof getWindow(value).Element;
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}
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function isHTMLElement(value) {
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if (!hasWindow()) {
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return false;
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}
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return value instanceof HTMLElement || value instanceof getWindow(value).HTMLElement;
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}
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function isShadowRoot(value) {
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if (!hasWindow() || typeof ShadowRoot === 'undefined') {
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return false;
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}
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return value instanceof ShadowRoot || value instanceof getWindow(value).ShadowRoot;
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}
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const invalidOverflowDisplayValues = /*#__PURE__*/new Set(['inline', 'contents']);
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function isOverflowElement(element) {
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const {
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overflow,
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overflowX,
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overflowY,
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display
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} = getComputedStyle$1(element);
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return /auto|scroll|overlay|hidden|clip/.test(overflow + overflowY + overflowX) && !invalidOverflowDisplayValues.has(display);
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}
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const tableElements = /*#__PURE__*/new Set(['table', 'td', 'th']);
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function isTableElement(element) {
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return tableElements.has(getNodeName(element));
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}
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const topLayerSelectors = [':popover-open', ':modal'];
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function isTopLayer(element) {
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return topLayerSelectors.some(selector => {
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try {
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return element.matches(selector);
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} catch (_e) {
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return false;
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}
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});
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}
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const transformProperties = ['transform', 'translate', 'scale', 'rotate', 'perspective'];
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const willChangeValues = ['transform', 'translate', 'scale', 'rotate', 'perspective', 'filter'];
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const containValues = ['paint', 'layout', 'strict', 'content'];
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function isContainingBlock(elementOrCss) {
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const webkit = isWebKit();
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const css = isElement(elementOrCss) ? getComputedStyle$1(elementOrCss) : elementOrCss;
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// https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block
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// https://drafts.csswg.org/css-transforms-2/#individual-transforms
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return transformProperties.some(value => css[value] ? css[value] !== 'none' : false) || (css.containerType ? css.containerType !== 'normal' : false) || !webkit && (css.backdropFilter ? css.backdropFilter !== 'none' : false) || !webkit && (css.filter ? css.filter !== 'none' : false) || willChangeValues.some(value => (css.willChange || '').includes(value)) || containValues.some(value => (css.contain || '').includes(value));
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}
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function getContainingBlock(element) {
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let currentNode = getParentNode(element);
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while (isHTMLElement(currentNode) && !isLastTraversableNode(currentNode)) {
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if (isContainingBlock(currentNode)) {
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return currentNode;
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} else if (isTopLayer(currentNode)) {
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return null;
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}
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currentNode = getParentNode(currentNode);
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}
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return null;
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}
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function isWebKit() {
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if (typeof CSS === 'undefined' || !CSS.supports) return false;
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return CSS.supports('-webkit-backdrop-filter', 'none');
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}
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const lastTraversableNodeNames = /*#__PURE__*/new Set(['html', 'body', '#document']);
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function isLastTraversableNode(node) {
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return lastTraversableNodeNames.has(getNodeName(node));
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}
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function getComputedStyle$1(element) {
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return getWindow(element).getComputedStyle(element);
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}
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function getNodeScroll(element) {
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if (isElement(element)) {
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return {
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scrollLeft: element.scrollLeft,
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scrollTop: element.scrollTop
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};
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}
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return {
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scrollLeft: element.scrollX,
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scrollTop: element.scrollY
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};
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}
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function getParentNode(node) {
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if (getNodeName(node) === 'html') {
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return node;
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}
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const result =
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// Step into the shadow DOM of the parent of a slotted node.
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node.assignedSlot ||
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// DOM Element detected.
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node.parentNode ||
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// ShadowRoot detected.
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isShadowRoot(node) && node.host ||
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// Fallback.
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getDocumentElement(node);
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return isShadowRoot(result) ? result.host : result;
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}
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function getNearestOverflowAncestor(node) {
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const parentNode = getParentNode(node);
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if (isLastTraversableNode(parentNode)) {
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return node.ownerDocument ? node.ownerDocument.body : node.body;
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}
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if (isHTMLElement(parentNode) && isOverflowElement(parentNode)) {
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return parentNode;
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}
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return getNearestOverflowAncestor(parentNode);
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}
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function getOverflowAncestors(node, list, traverseIframes) {
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var _node$ownerDocument2;
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if (list === void 0) {
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list = [];
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}
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if (traverseIframes === void 0) {
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traverseIframes = true;
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}
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const scrollableAncestor = getNearestOverflowAncestor(node);
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const isBody = scrollableAncestor === ((_node$ownerDocument2 = node.ownerDocument) == null ? void 0 : _node$ownerDocument2.body);
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const win = getWindow(scrollableAncestor);
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if (isBody) {
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const frameElement = getFrameElement(win);
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return list.concat(win, win.visualViewport || [], isOverflowElement(scrollableAncestor) ? scrollableAncestor : [], frameElement && traverseIframes ? getOverflowAncestors(frameElement) : []);
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}
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return list.concat(scrollableAncestor, getOverflowAncestors(scrollableAncestor, [], traverseIframes));
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}
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function getFrameElement(win) {
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return win.parent && Object.getPrototypeOf(win.parent) ? win.frameElement : null;
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}
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function getCssDimensions(element) {
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const css = getComputedStyle$1(element);
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// In testing environments, the `width` and `height` properties are empty
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// strings for SVG elements, returning NaN. Fallback to `0` in this case.
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let width = parseFloat(css.width) || 0;
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let height = parseFloat(css.height) || 0;
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const hasOffset = isHTMLElement(element);
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const offsetWidth = hasOffset ? element.offsetWidth : width;
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const offsetHeight = hasOffset ? element.offsetHeight : height;
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const shouldFallback = round(width) !== offsetWidth || round(height) !== offsetHeight;
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if (shouldFallback) {
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width = offsetWidth;
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height = offsetHeight;
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}
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return {
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width,
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height,
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$: shouldFallback
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};
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}
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function unwrapElement(element) {
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return !isElement(element) ? element.contextElement : element;
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}
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function getScale(element) {
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const domElement = unwrapElement(element);
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if (!isHTMLElement(domElement)) {
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return createCoords(1);
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}
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const rect = domElement.getBoundingClientRect();
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const {
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width,
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height,
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$
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} = getCssDimensions(domElement);
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let x = ($ ? round(rect.width) : rect.width) / width;
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let y = ($ ? round(rect.height) : rect.height) / height;
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// 0, NaN, or Infinity should always fallback to 1.
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if (!x || !Number.isFinite(x)) {
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x = 1;
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}
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if (!y || !Number.isFinite(y)) {
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y = 1;
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}
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return {
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x,
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y
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};
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}
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const noOffsets = /*#__PURE__*/createCoords(0);
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function getVisualOffsets(element) {
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const win = getWindow(element);
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if (!isWebKit() || !win.visualViewport) {
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return noOffsets;
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}
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return {
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x: win.visualViewport.offsetLeft,
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y: win.visualViewport.offsetTop
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};
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}
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function shouldAddVisualOffsets(element, isFixed, floatingOffsetParent) {
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if (isFixed === void 0) {
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isFixed = false;
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}
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if (!floatingOffsetParent || isFixed && floatingOffsetParent !== getWindow(element)) {
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return false;
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}
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return isFixed;
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}
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function getBoundingClientRect(element, includeScale, isFixedStrategy, offsetParent) {
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if (includeScale === void 0) {
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includeScale = false;
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}
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if (isFixedStrategy === void 0) {
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isFixedStrategy = false;
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}
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const clientRect = element.getBoundingClientRect();
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const domElement = unwrapElement(element);
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let scale = createCoords(1);
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if (includeScale) {
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if (offsetParent) {
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if (isElement(offsetParent)) {
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scale = getScale(offsetParent);
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}
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} else {
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scale = getScale(element);
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}
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}
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const visualOffsets = shouldAddVisualOffsets(domElement, isFixedStrategy, offsetParent) ? getVisualOffsets(domElement) : createCoords(0);
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let x = (clientRect.left + visualOffsets.x) / scale.x;
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let y = (clientRect.top + visualOffsets.y) / scale.y;
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let width = clientRect.width / scale.x;
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let height = clientRect.height / scale.y;
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if (domElement) {
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const win = getWindow(domElement);
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const offsetWin = offsetParent && isElement(offsetParent) ? getWindow(offsetParent) : offsetParent;
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let currentWin = win;
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let currentIFrame = getFrameElement(currentWin);
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while (currentIFrame && offsetParent && offsetWin !== currentWin) {
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const iframeScale = getScale(currentIFrame);
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const iframeRect = currentIFrame.getBoundingClientRect();
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const css = getComputedStyle$1(currentIFrame);
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const left = iframeRect.left + (currentIFrame.clientLeft + parseFloat(css.paddingLeft)) * iframeScale.x;
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const top = iframeRect.top + (currentIFrame.clientTop + parseFloat(css.paddingTop)) * iframeScale.y;
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x *= iframeScale.x;
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y *= iframeScale.y;
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width *= iframeScale.x;
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height *= iframeScale.y;
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x += left;
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y += top;
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currentWin = getWindow(currentIFrame);
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currentIFrame = getFrameElement(currentWin);
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}
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}
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return core.rectToClientRect({
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width,
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height,
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x,
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y
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});
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}
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// If <html> has a CSS width greater than the viewport, then this will be
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// incorrect for RTL.
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function getWindowScrollBarX(element, rect) {
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const leftScroll = getNodeScroll(element).scrollLeft;
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if (!rect) {
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return getBoundingClientRect(getDocumentElement(element)).left + leftScroll;
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}
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return rect.left + leftScroll;
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}
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function getHTMLOffset(documentElement, scroll) {
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const htmlRect = documentElement.getBoundingClientRect();
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const x = htmlRect.left + scroll.scrollLeft - getWindowScrollBarX(documentElement, htmlRect);
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const y = htmlRect.top + scroll.scrollTop;
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return {
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x,
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y
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};
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}
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function convertOffsetParentRelativeRectToViewportRelativeRect(_ref) {
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let {
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elements,
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rect,
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offsetParent,
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strategy
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} = _ref;
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const isFixed = strategy === 'fixed';
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const documentElement = getDocumentElement(offsetParent);
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const topLayer = elements ? isTopLayer(elements.floating) : false;
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if (offsetParent === documentElement || topLayer && isFixed) {
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return rect;
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}
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let scroll = {
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scrollLeft: 0,
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scrollTop: 0
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};
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let scale = createCoords(1);
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const offsets = createCoords(0);
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const isOffsetParentAnElement = isHTMLElement(offsetParent);
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if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
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if (getNodeName(offsetParent) !== 'body' || isOverflowElement(documentElement)) {
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scroll = getNodeScroll(offsetParent);
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}
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if (isHTMLElement(offsetParent)) {
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const offsetRect = getBoundingClientRect(offsetParent);
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scale = getScale(offsetParent);
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offsets.x = offsetRect.x + offsetParent.clientLeft;
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offsets.y = offsetRect.y + offsetParent.clientTop;
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}
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}
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const htmlOffset = documentElement && !isOffsetParentAnElement && !isFixed ? getHTMLOffset(documentElement, scroll) : createCoords(0);
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return {
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width: rect.width * scale.x,
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height: rect.height * scale.y,
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x: rect.x * scale.x - scroll.scrollLeft * scale.x + offsets.x + htmlOffset.x,
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y: rect.y * scale.y - scroll.scrollTop * scale.y + offsets.y + htmlOffset.y
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};
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}
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function getClientRects(element) {
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return Array.from(element.getClientRects());
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}
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// Gets the entire size of the scrollable document area, even extending outside
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// of the `<html>` and `<body>` rect bounds if horizontally scrollable.
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function getDocumentRect(element) {
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const html = getDocumentElement(element);
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const scroll = getNodeScroll(element);
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const body = element.ownerDocument.body;
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const width = max(html.scrollWidth, html.clientWidth, body.scrollWidth, body.clientWidth);
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const height = max(html.scrollHeight, html.clientHeight, body.scrollHeight, body.clientHeight);
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let x = -scroll.scrollLeft + getWindowScrollBarX(element);
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const y = -scroll.scrollTop;
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if (getComputedStyle$1(body).direction === 'rtl') {
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x += max(html.clientWidth, body.clientWidth) - width;
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}
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return {
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width,
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height,
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x,
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y
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};
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}
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// Safety check: ensure the scrollbar space is reasonable in case this
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// calculation is affected by unusual styles.
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// Most scrollbars leave 15-18px of space.
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const SCROLLBAR_MAX = 25;
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function getViewportRect(element, strategy) {
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const win = getWindow(element);
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const html = getDocumentElement(element);
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const visualViewport = win.visualViewport;
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let width = html.clientWidth;
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|
let height = html.clientHeight;
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let x = 0;
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let y = 0;
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if (visualViewport) {
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width = visualViewport.width;
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height = visualViewport.height;
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const visualViewportBased = isWebKit();
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if (!visualViewportBased || visualViewportBased && strategy === 'fixed') {
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x = visualViewport.offsetLeft;
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y = visualViewport.offsetTop;
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}
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}
|
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const windowScrollbarX = getWindowScrollBarX(html);
|
|
// <html> `overflow: hidden` + `scrollbar-gutter: stable` reduces the
|
|
// visual width of the <html> but this is not considered in the size
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|
// of `html.clientWidth`.
|
|
if (windowScrollbarX <= 0) {
|
|
const doc = html.ownerDocument;
|
|
const body = doc.body;
|
|
const bodyStyles = getComputedStyle(body);
|
|
const bodyMarginInline = doc.compatMode === 'CSS1Compat' ? parseFloat(bodyStyles.marginLeft) + parseFloat(bodyStyles.marginRight) || 0 : 0;
|
|
const clippingStableScrollbarWidth = Math.abs(html.clientWidth - body.clientWidth - bodyMarginInline);
|
|
if (clippingStableScrollbarWidth <= SCROLLBAR_MAX) {
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width -= clippingStableScrollbarWidth;
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|
}
|
|
} else if (windowScrollbarX <= SCROLLBAR_MAX) {
|
|
// If the <body> scrollbar is on the left, the width needs to be extended
|
|
// by the scrollbar amount so there isn't extra space on the right.
|
|
width += windowScrollbarX;
|
|
}
|
|
return {
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|
width,
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|
height,
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|
x,
|
|
y
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|
};
|
|
}
|
|
|
|
const absoluteOrFixed = /*#__PURE__*/new Set(['absolute', 'fixed']);
|
|
// Returns the inner client rect, subtracting scrollbars if present.
|
|
function getInnerBoundingClientRect(element, strategy) {
|
|
const clientRect = getBoundingClientRect(element, true, strategy === 'fixed');
|
|
const top = clientRect.top + element.clientTop;
|
|
const left = clientRect.left + element.clientLeft;
|
|
const scale = isHTMLElement(element) ? getScale(element) : createCoords(1);
|
|
const width = element.clientWidth * scale.x;
|
|
const height = element.clientHeight * scale.y;
|
|
const x = left * scale.x;
|
|
const y = top * scale.y;
|
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return {
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|
width,
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|
height,
|
|
x,
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y
|
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};
|
|
}
|
|
function getClientRectFromClippingAncestor(element, clippingAncestor, strategy) {
|
|
let rect;
|
|
if (clippingAncestor === 'viewport') {
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|
rect = getViewportRect(element, strategy);
|
|
} else if (clippingAncestor === 'document') {
|
|
rect = getDocumentRect(getDocumentElement(element));
|
|
} else if (isElement(clippingAncestor)) {
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|
rect = getInnerBoundingClientRect(clippingAncestor, strategy);
|
|
} else {
|
|
const visualOffsets = getVisualOffsets(element);
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|
rect = {
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x: clippingAncestor.x - visualOffsets.x,
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|
y: clippingAncestor.y - visualOffsets.y,
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|
width: clippingAncestor.width,
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|
height: clippingAncestor.height
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};
|
|
}
|
|
return core.rectToClientRect(rect);
|
|
}
|
|
function hasFixedPositionAncestor(element, stopNode) {
|
|
const parentNode = getParentNode(element);
|
|
if (parentNode === stopNode || !isElement(parentNode) || isLastTraversableNode(parentNode)) {
|
|
return false;
|
|
}
|
|
return getComputedStyle$1(parentNode).position === 'fixed' || hasFixedPositionAncestor(parentNode, stopNode);
|
|
}
|
|
|
|
// A "clipping ancestor" is an `overflow` element with the characteristic of
|
|
// clipping (or hiding) child elements. This returns all clipping ancestors
|
|
// of the given element up the tree.
|
|
function getClippingElementAncestors(element, cache) {
|
|
const cachedResult = cache.get(element);
|
|
if (cachedResult) {
|
|
return cachedResult;
|
|
}
|
|
let result = getOverflowAncestors(element, [], false).filter(el => isElement(el) && getNodeName(el) !== 'body');
|
|
let currentContainingBlockComputedStyle = null;
|
|
const elementIsFixed = getComputedStyle$1(element).position === 'fixed';
|
|
let currentNode = elementIsFixed ? getParentNode(element) : element;
|
|
|
|
// https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block
|
|
while (isElement(currentNode) && !isLastTraversableNode(currentNode)) {
|
|
const computedStyle = getComputedStyle$1(currentNode);
|
|
const currentNodeIsContaining = isContainingBlock(currentNode);
|
|
if (!currentNodeIsContaining && computedStyle.position === 'fixed') {
|
|
currentContainingBlockComputedStyle = null;
|
|
}
|
|
const shouldDropCurrentNode = elementIsFixed ? !currentNodeIsContaining && !currentContainingBlockComputedStyle : !currentNodeIsContaining && computedStyle.position === 'static' && !!currentContainingBlockComputedStyle && absoluteOrFixed.has(currentContainingBlockComputedStyle.position) || isOverflowElement(currentNode) && !currentNodeIsContaining && hasFixedPositionAncestor(element, currentNode);
|
|
if (shouldDropCurrentNode) {
|
|
// Drop non-containing blocks.
|
|
result = result.filter(ancestor => ancestor !== currentNode);
|
|
} else {
|
|
// Record last containing block for next iteration.
|
|
currentContainingBlockComputedStyle = computedStyle;
|
|
}
|
|
currentNode = getParentNode(currentNode);
|
|
}
|
|
cache.set(element, result);
|
|
return result;
|
|
}
|
|
|
|
// Gets the maximum area that the element is visible in due to any number of
|
|
// clipping ancestors.
|
|
function getClippingRect(_ref) {
|
|
let {
|
|
element,
|
|
boundary,
|
|
rootBoundary,
|
|
strategy
|
|
} = _ref;
|
|
const elementClippingAncestors = boundary === 'clippingAncestors' ? isTopLayer(element) ? [] : getClippingElementAncestors(element, this._c) : [].concat(boundary);
|
|
const clippingAncestors = [...elementClippingAncestors, rootBoundary];
|
|
const firstClippingAncestor = clippingAncestors[0];
|
|
const clippingRect = clippingAncestors.reduce((accRect, clippingAncestor) => {
|
|
const rect = getClientRectFromClippingAncestor(element, clippingAncestor, strategy);
|
|
accRect.top = max(rect.top, accRect.top);
|
|
accRect.right = min(rect.right, accRect.right);
|
|
accRect.bottom = min(rect.bottom, accRect.bottom);
|
|
accRect.left = max(rect.left, accRect.left);
|
|
return accRect;
|
|
}, getClientRectFromClippingAncestor(element, firstClippingAncestor, strategy));
|
|
return {
|
|
width: clippingRect.right - clippingRect.left,
|
|
height: clippingRect.bottom - clippingRect.top,
|
|
x: clippingRect.left,
|
|
y: clippingRect.top
|
|
};
|
|
}
|
|
|
|
function getDimensions(element) {
|
|
const {
|
|
width,
|
|
height
|
|
} = getCssDimensions(element);
|
|
return {
|
|
width,
|
|
height
|
|
};
|
|
}
|
|
|
|
function getRectRelativeToOffsetParent(element, offsetParent, strategy) {
|
|
const isOffsetParentAnElement = isHTMLElement(offsetParent);
|
|
const documentElement = getDocumentElement(offsetParent);
|
|
const isFixed = strategy === 'fixed';
|
|
const rect = getBoundingClientRect(element, true, isFixed, offsetParent);
|
|
let scroll = {
|
|
scrollLeft: 0,
|
|
scrollTop: 0
|
|
};
|
|
const offsets = createCoords(0);
|
|
|
|
// If the <body> scrollbar appears on the left (e.g. RTL systems). Use
|
|
// Firefox with layout.scrollbar.side = 3 in about:config to test this.
|
|
function setLeftRTLScrollbarOffset() {
|
|
offsets.x = getWindowScrollBarX(documentElement);
|
|
}
|
|
if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
|
|
if (getNodeName(offsetParent) !== 'body' || isOverflowElement(documentElement)) {
|
|
scroll = getNodeScroll(offsetParent);
|
|
}
|
|
if (isOffsetParentAnElement) {
|
|
const offsetRect = getBoundingClientRect(offsetParent, true, isFixed, offsetParent);
|
|
offsets.x = offsetRect.x + offsetParent.clientLeft;
|
|
offsets.y = offsetRect.y + offsetParent.clientTop;
|
|
} else if (documentElement) {
|
|
setLeftRTLScrollbarOffset();
|
|
}
|
|
}
|
|
if (isFixed && !isOffsetParentAnElement && documentElement) {
|
|
setLeftRTLScrollbarOffset();
|
|
}
|
|
const htmlOffset = documentElement && !isOffsetParentAnElement && !isFixed ? getHTMLOffset(documentElement, scroll) : createCoords(0);
|
|
const x = rect.left + scroll.scrollLeft - offsets.x - htmlOffset.x;
|
|
const y = rect.top + scroll.scrollTop - offsets.y - htmlOffset.y;
|
|
return {
|
|
x,
|
|
y,
|
|
width: rect.width,
|
|
height: rect.height
|
|
};
|
|
}
|
|
|
|
function isStaticPositioned(element) {
|
|
return getComputedStyle$1(element).position === 'static';
|
|
}
|
|
|
|
function getTrueOffsetParent(element, polyfill) {
|
|
if (!isHTMLElement(element) || getComputedStyle$1(element).position === 'fixed') {
|
|
return null;
|
|
}
|
|
if (polyfill) {
|
|
return polyfill(element);
|
|
}
|
|
let rawOffsetParent = element.offsetParent;
|
|
|
|
// Firefox returns the <html> element as the offsetParent if it's non-static,
|
|
// while Chrome and Safari return the <body> element. The <body> element must
|
|
// be used to perform the correct calculations even if the <html> element is
|
|
// non-static.
|
|
if (getDocumentElement(element) === rawOffsetParent) {
|
|
rawOffsetParent = rawOffsetParent.ownerDocument.body;
|
|
}
|
|
return rawOffsetParent;
|
|
}
|
|
|
|
// Gets the closest ancestor positioned element. Handles some edge cases,
|
|
// such as table ancestors and cross browser bugs.
|
|
function getOffsetParent(element, polyfill) {
|
|
const win = getWindow(element);
|
|
if (isTopLayer(element)) {
|
|
return win;
|
|
}
|
|
if (!isHTMLElement(element)) {
|
|
let svgOffsetParent = getParentNode(element);
|
|
while (svgOffsetParent && !isLastTraversableNode(svgOffsetParent)) {
|
|
if (isElement(svgOffsetParent) && !isStaticPositioned(svgOffsetParent)) {
|
|
return svgOffsetParent;
|
|
}
|
|
svgOffsetParent = getParentNode(svgOffsetParent);
|
|
}
|
|
return win;
|
|
}
|
|
let offsetParent = getTrueOffsetParent(element, polyfill);
|
|
while (offsetParent && isTableElement(offsetParent) && isStaticPositioned(offsetParent)) {
|
|
offsetParent = getTrueOffsetParent(offsetParent, polyfill);
|
|
}
|
|
if (offsetParent && isLastTraversableNode(offsetParent) && isStaticPositioned(offsetParent) && !isContainingBlock(offsetParent)) {
|
|
return win;
|
|
}
|
|
return offsetParent || getContainingBlock(element) || win;
|
|
}
|
|
|
|
const getElementRects = async function (data) {
|
|
const getOffsetParentFn = this.getOffsetParent || getOffsetParent;
|
|
const getDimensionsFn = this.getDimensions;
|
|
const floatingDimensions = await getDimensionsFn(data.floating);
|
|
return {
|
|
reference: getRectRelativeToOffsetParent(data.reference, await getOffsetParentFn(data.floating), data.strategy),
|
|
floating: {
|
|
x: 0,
|
|
y: 0,
|
|
width: floatingDimensions.width,
|
|
height: floatingDimensions.height
|
|
}
|
|
};
|
|
};
|
|
|
|
function isRTL(element) {
|
|
return getComputedStyle$1(element).direction === 'rtl';
|
|
}
|
|
|
|
const platform = {
|
|
convertOffsetParentRelativeRectToViewportRelativeRect,
|
|
getDocumentElement,
|
|
getClippingRect,
|
|
getOffsetParent,
|
|
getElementRects,
|
|
getClientRects,
|
|
getDimensions,
|
|
getScale,
|
|
isElement,
|
|
isRTL
|
|
};
|
|
|
|
function rectsAreEqual(a, b) {
|
|
return a.x === b.x && a.y === b.y && a.width === b.width && a.height === b.height;
|
|
}
|
|
|
|
// https://samthor.au/2021/observing-dom/
|
|
function observeMove(element, onMove) {
|
|
let io = null;
|
|
let timeoutId;
|
|
const root = getDocumentElement(element);
|
|
function cleanup() {
|
|
var _io;
|
|
clearTimeout(timeoutId);
|
|
(_io = io) == null || _io.disconnect();
|
|
io = null;
|
|
}
|
|
function refresh(skip, threshold) {
|
|
if (skip === void 0) {
|
|
skip = false;
|
|
}
|
|
if (threshold === void 0) {
|
|
threshold = 1;
|
|
}
|
|
cleanup();
|
|
const elementRectForRootMargin = element.getBoundingClientRect();
|
|
const {
|
|
left,
|
|
top,
|
|
width,
|
|
height
|
|
} = elementRectForRootMargin;
|
|
if (!skip) {
|
|
onMove();
|
|
}
|
|
if (!width || !height) {
|
|
return;
|
|
}
|
|
const insetTop = floor(top);
|
|
const insetRight = floor(root.clientWidth - (left + width));
|
|
const insetBottom = floor(root.clientHeight - (top + height));
|
|
const insetLeft = floor(left);
|
|
const rootMargin = -insetTop + "px " + -insetRight + "px " + -insetBottom + "px " + -insetLeft + "px";
|
|
const options = {
|
|
rootMargin,
|
|
threshold: max(0, min(1, threshold)) || 1
|
|
};
|
|
let isFirstUpdate = true;
|
|
function handleObserve(entries) {
|
|
const ratio = entries[0].intersectionRatio;
|
|
if (ratio !== threshold) {
|
|
if (!isFirstUpdate) {
|
|
return refresh();
|
|
}
|
|
if (!ratio) {
|
|
// If the reference is clipped, the ratio is 0. Throttle the refresh
|
|
// to prevent an infinite loop of updates.
|
|
timeoutId = setTimeout(() => {
|
|
refresh(false, 1e-7);
|
|
}, 1000);
|
|
} else {
|
|
refresh(false, ratio);
|
|
}
|
|
}
|
|
if (ratio === 1 && !rectsAreEqual(elementRectForRootMargin, element.getBoundingClientRect())) {
|
|
// It's possible that even though the ratio is reported as 1, the
|
|
// element is not actually fully within the IntersectionObserver's root
|
|
// area anymore. This can happen under performance constraints. This may
|
|
// be a bug in the browser's IntersectionObserver implementation. To
|
|
// work around this, we compare the element's bounding rect now with
|
|
// what it was at the time we created the IntersectionObserver. If they
|
|
// are not equal then the element moved, so we refresh.
|
|
refresh();
|
|
}
|
|
isFirstUpdate = false;
|
|
}
|
|
|
|
// Older browsers don't support a `document` as the root and will throw an
|
|
// error.
|
|
try {
|
|
io = new IntersectionObserver(handleObserve, {
|
|
...options,
|
|
// Handle <iframe>s
|
|
root: root.ownerDocument
|
|
});
|
|
} catch (_e) {
|
|
io = new IntersectionObserver(handleObserve, options);
|
|
}
|
|
io.observe(element);
|
|
}
|
|
refresh(true);
|
|
return cleanup;
|
|
}
|
|
|
|
/**
|
|
* Automatically updates the position of the floating element when necessary.
|
|
* Should only be called when the floating element is mounted on the DOM or
|
|
* visible on the screen.
|
|
* @returns cleanup function that should be invoked when the floating element is
|
|
* removed from the DOM or hidden from the screen.
|
|
* @see https://floating-ui.com/docs/autoUpdate
|
|
*/
|
|
function autoUpdate(reference, floating, update, options) {
|
|
if (options === void 0) {
|
|
options = {};
|
|
}
|
|
const {
|
|
ancestorScroll = true,
|
|
ancestorResize = true,
|
|
elementResize = typeof ResizeObserver === 'function',
|
|
layoutShift = typeof IntersectionObserver === 'function',
|
|
animationFrame = false
|
|
} = options;
|
|
const referenceEl = unwrapElement(reference);
|
|
const ancestors = ancestorScroll || ancestorResize ? [...(referenceEl ? getOverflowAncestors(referenceEl) : []), ...getOverflowAncestors(floating)] : [];
|
|
ancestors.forEach(ancestor => {
|
|
ancestorScroll && ancestor.addEventListener('scroll', update, {
|
|
passive: true
|
|
});
|
|
ancestorResize && ancestor.addEventListener('resize', update);
|
|
});
|
|
const cleanupIo = referenceEl && layoutShift ? observeMove(referenceEl, update) : null;
|
|
let reobserveFrame = -1;
|
|
let resizeObserver = null;
|
|
if (elementResize) {
|
|
resizeObserver = new ResizeObserver(_ref => {
|
|
let [firstEntry] = _ref;
|
|
if (firstEntry && firstEntry.target === referenceEl && resizeObserver) {
|
|
// Prevent update loops when using the `size` middleware.
|
|
// https://github.com/floating-ui/floating-ui/issues/1740
|
|
resizeObserver.unobserve(floating);
|
|
cancelAnimationFrame(reobserveFrame);
|
|
reobserveFrame = requestAnimationFrame(() => {
|
|
var _resizeObserver;
|
|
(_resizeObserver = resizeObserver) == null || _resizeObserver.observe(floating);
|
|
});
|
|
}
|
|
update();
|
|
});
|
|
if (referenceEl && !animationFrame) {
|
|
resizeObserver.observe(referenceEl);
|
|
}
|
|
resizeObserver.observe(floating);
|
|
}
|
|
let frameId;
|
|
let prevRefRect = animationFrame ? getBoundingClientRect(reference) : null;
|
|
if (animationFrame) {
|
|
frameLoop();
|
|
}
|
|
function frameLoop() {
|
|
const nextRefRect = getBoundingClientRect(reference);
|
|
if (prevRefRect && !rectsAreEqual(prevRefRect, nextRefRect)) {
|
|
update();
|
|
}
|
|
prevRefRect = nextRefRect;
|
|
frameId = requestAnimationFrame(frameLoop);
|
|
}
|
|
update();
|
|
return () => {
|
|
var _resizeObserver2;
|
|
ancestors.forEach(ancestor => {
|
|
ancestorScroll && ancestor.removeEventListener('scroll', update);
|
|
ancestorResize && ancestor.removeEventListener('resize', update);
|
|
});
|
|
cleanupIo == null || cleanupIo();
|
|
(_resizeObserver2 = resizeObserver) == null || _resizeObserver2.disconnect();
|
|
resizeObserver = null;
|
|
if (animationFrame) {
|
|
cancelAnimationFrame(frameId);
|
|
}
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Resolves with an object of overflow side offsets that determine how much the
|
|
* element is overflowing a given clipping boundary on each side.
|
|
* - positive = overflowing the boundary by that number of pixels
|
|
* - negative = how many pixels left before it will overflow
|
|
* - 0 = lies flush with the boundary
|
|
* @see https://floating-ui.com/docs/detectOverflow
|
|
*/
|
|
const detectOverflow = core.detectOverflow;
|
|
|
|
/**
|
|
* Modifies the placement by translating the floating element along the
|
|
* specified axes.
|
|
* A number (shorthand for `mainAxis` or distance), or an axes configuration
|
|
* object may be passed.
|
|
* @see https://floating-ui.com/docs/offset
|
|
*/
|
|
const offset = core.offset;
|
|
|
|
/**
|
|
* Optimizes the visibility of the floating element by choosing the placement
|
|
* that has the most space available automatically, without needing to specify a
|
|
* preferred placement. Alternative to `flip`.
|
|
* @see https://floating-ui.com/docs/autoPlacement
|
|
*/
|
|
const autoPlacement = core.autoPlacement;
|
|
|
|
/**
|
|
* Optimizes the visibility of the floating element by shifting it in order to
|
|
* keep it in view when it will overflow the clipping boundary.
|
|
* @see https://floating-ui.com/docs/shift
|
|
*/
|
|
const shift = core.shift;
|
|
|
|
/**
|
|
* Optimizes the visibility of the floating element by flipping the `placement`
|
|
* in order to keep it in view when the preferred placement(s) will overflow the
|
|
* clipping boundary. Alternative to `autoPlacement`.
|
|
* @see https://floating-ui.com/docs/flip
|
|
*/
|
|
const flip = core.flip;
|
|
|
|
/**
|
|
* Provides data that allows you to change the size of the floating element —
|
|
* for instance, prevent it from overflowing the clipping boundary or match the
|
|
* width of the reference element.
|
|
* @see https://floating-ui.com/docs/size
|
|
*/
|
|
const size = core.size;
|
|
|
|
/**
|
|
* Provides data to hide the floating element in applicable situations, such as
|
|
* when it is not in the same clipping context as the reference element.
|
|
* @see https://floating-ui.com/docs/hide
|
|
*/
|
|
const hide = core.hide;
|
|
|
|
/**
|
|
* Provides data to position an inner element of the floating element so that it
|
|
* appears centered to the reference element.
|
|
* @see https://floating-ui.com/docs/arrow
|
|
*/
|
|
const arrow = core.arrow;
|
|
|
|
/**
|
|
* Provides improved positioning for inline reference elements that can span
|
|
* over multiple lines, such as hyperlinks or range selections.
|
|
* @see https://floating-ui.com/docs/inline
|
|
*/
|
|
const inline = core.inline;
|
|
|
|
/**
|
|
* Built-in `limiter` that will stop `shift()` at a certain point.
|
|
*/
|
|
const limitShift = core.limitShift;
|
|
|
|
/**
|
|
* Computes the `x` and `y` coordinates that will place the floating element
|
|
* next to a given reference element.
|
|
*/
|
|
const computePosition = (reference, floating, options) => {
|
|
// This caches the expensive `getClippingElementAncestors` function so that
|
|
// multiple lifecycle resets re-use the same result. It only lives for a
|
|
// single call. If other functions become expensive, we can add them as well.
|
|
const cache = new Map();
|
|
const mergedOptions = {
|
|
platform,
|
|
...options
|
|
};
|
|
const platformWithCache = {
|
|
...mergedOptions.platform,
|
|
_c: cache
|
|
};
|
|
return core.computePosition(reference, floating, {
|
|
...mergedOptions,
|
|
platform: platformWithCache
|
|
});
|
|
};
|
|
|
|
exports.arrow = arrow;
|
|
exports.autoPlacement = autoPlacement;
|
|
exports.autoUpdate = autoUpdate;
|
|
exports.computePosition = computePosition;
|
|
exports.detectOverflow = detectOverflow;
|
|
exports.flip = flip;
|
|
exports.getOverflowAncestors = getOverflowAncestors;
|
|
exports.hide = hide;
|
|
exports.inline = inline;
|
|
exports.limitShift = limitShift;
|
|
exports.offset = offset;
|
|
exports.platform = platform;
|
|
exports.shift = shift;
|
|
exports.size = size;
|
|
|
|
}));
|