@esri/calcite-components
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Web Components for Esri's Calcite Design System.
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JavaScript
/*!
* All material copyright ESRI, All Rights Reserved, unless otherwise specified.
* See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
* v1.5.0-next.4
*/
'use strict';
const dom = require('./dom-18ca68ff.js');
const browser = require('./browser-28ea2ce1.js');
const debounce = require('./debounce-492319d0.js');
function getAlignment(placement) {
return placement.split('-')[1];
}
function getLengthFromAxis(axis) {
return axis === 'y' ? 'height' : 'width';
}
function getSide(placement) {
return placement.split('-')[0];
}
function getMainAxisFromPlacement(placement) {
return ['top', 'bottom'].includes(getSide(placement)) ? 'x' : 'y';
}
function computeCoordsFromPlacement(_ref, placement, rtl) {
let {
reference,
floating
} = _ref;
const commonX = reference.x + reference.width / 2 - floating.width / 2;
const commonY = reference.y + reference.height / 2 - floating.height / 2;
const mainAxis = getMainAxisFromPlacement(placement);
const length = getLengthFromAxis(mainAxis);
const commonAlign = reference[length] / 2 - floating[length] / 2;
const side = getSide(placement);
const isVertical = mainAxis === 'x';
let coords;
switch (side) {
case 'top':
coords = {
x: commonX,
y: reference.y - floating.height
};
break;
case 'bottom':
coords = {
x: commonX,
y: reference.y + reference.height
};
break;
case 'right':
coords = {
x: reference.x + reference.width,
y: commonY
};
break;
case 'left':
coords = {
x: reference.x - floating.width,
y: commonY
};
break;
default:
coords = {
x: reference.x,
y: reference.y
};
}
switch (getAlignment(placement)) {
case 'start':
coords[mainAxis] -= commonAlign * (rtl && isVertical ? -1 : 1);
break;
case 'end':
coords[mainAxis] += commonAlign * (rtl && isVertical ? -1 : 1);
break;
}
return coords;
}
/**
* Computes the `x` and `y` coordinates that will place the floating element
* next to a reference element when it is given a certain positioning strategy.
*
* This export does not have any `platform` interface logic. You will need to
* write one for the platform you are using Floating UI with.
*/
const computePosition$1 = async (reference, floating, config) => {
const {
placement = 'bottom',
strategy = 'absolute',
middleware = [],
platform
} = config;
const validMiddleware = middleware.filter(Boolean);
const rtl = await (platform.isRTL == null ? void 0 : platform.isRTL(floating));
let rects = await platform.getElementRects({
reference,
floating,
strategy
});
let {
x,
y
} = computeCoordsFromPlacement(rects, placement, rtl);
let statefulPlacement = placement;
let middlewareData = {};
let resetCount = 0;
for (let i = 0; i < validMiddleware.length; i++) {
const {
name,
fn
} = validMiddleware[i];
const {
x: nextX,
y: nextY,
data,
reset
} = await fn({
x,
y,
initialPlacement: placement,
placement: statefulPlacement,
strategy,
middlewareData,
rects,
platform,
elements: {
reference,
floating
}
});
x = nextX != null ? nextX : x;
y = nextY != null ? nextY : y;
middlewareData = {
...middlewareData,
[name]: {
...middlewareData[name],
...data
}
};
if (reset && resetCount <= 50) {
resetCount++;
if (typeof reset === 'object') {
if (reset.placement) {
statefulPlacement = reset.placement;
}
if (reset.rects) {
rects = reset.rects === true ? await platform.getElementRects({
reference,
floating,
strategy
}) : reset.rects;
}
({
x,
y
} = computeCoordsFromPlacement(rects, statefulPlacement, rtl));
}
i = -1;
continue;
}
}
return {
x,
y,
placement: statefulPlacement,
strategy,
middlewareData
};
};
function evaluate(value, param) {
return typeof value === 'function' ? value(param) : value;
}
function expandPaddingObject(padding) {
return {
top: 0,
right: 0,
bottom: 0,
left: 0,
...padding
};
}
function getSideObjectFromPadding(padding) {
return typeof padding !== 'number' ? expandPaddingObject(padding) : {
top: padding,
right: padding,
bottom: padding,
left: padding
};
}
function rectToClientRect(rect) {
return {
...rect,
top: rect.y,
left: rect.x,
right: rect.x + rect.width,
bottom: rect.y + rect.height
};
}
/**
* 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
*/
async function detectOverflow(state, options) {
var _await$platform$isEle;
if (options === void 0) {
options = {};
}
const {
x,
y,
platform,
rects,
elements,
strategy
} = state;
const {
boundary = 'clippingAncestors',
rootBoundary = 'viewport',
elementContext = 'floating',
altBoundary = false,
padding = 0
} = evaluate(options, state);
const paddingObject = getSideObjectFromPadding(padding);
const altContext = elementContext === 'floating' ? 'reference' : 'floating';
const element = elements[altBoundary ? altContext : elementContext];
const clippingClientRect = rectToClientRect(await platform.getClippingRect({
element: ((_await$platform$isEle = await (platform.isElement == null ? void 0 : platform.isElement(element))) != null ? _await$platform$isEle : true) ? element : element.contextElement || (await (platform.getDocumentElement == null ? void 0 : platform.getDocumentElement(elements.floating))),
boundary,
rootBoundary,
strategy
}));
const rect = elementContext === 'floating' ? {
...rects.floating,
x,
y
} : rects.reference;
const offsetParent = await (platform.getOffsetParent == null ? void 0 : platform.getOffsetParent(elements.floating));
const offsetScale = (await (platform.isElement == null ? void 0 : platform.isElement(offsetParent))) ? (await (platform.getScale == null ? void 0 : platform.getScale(offsetParent))) || {
x: 1,
y: 1
} : {
x: 1,
y: 1
};
const elementClientRect = rectToClientRect(platform.convertOffsetParentRelativeRectToViewportRelativeRect ? await platform.convertOffsetParentRelativeRectToViewportRelativeRect({
rect,
offsetParent,
strategy
}) : rect);
return {
top: (clippingClientRect.top - elementClientRect.top + paddingObject.top) / offsetScale.y,
bottom: (elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom) / offsetScale.y,
left: (clippingClientRect.left - elementClientRect.left + paddingObject.left) / offsetScale.x,
right: (elementClientRect.right - clippingClientRect.right + paddingObject.right) / offsetScale.x
};
}
const min$1 = Math.min;
const max$1 = Math.max;
function within(min$1$1, value, max$1$1) {
return max$1(min$1$1, min$1(value, max$1$1));
}
/**
* 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 = options => ({
name: 'arrow',
options,
async fn(state) {
const {
x,
y,
placement,
rects,
platform,
elements
} = state;
// Since `element` is required, we don't Partial<> the type.
const {
element,
padding = 0
} = evaluate(options, state) || {};
if (element == null) {
return {};
}
const paddingObject = getSideObjectFromPadding(padding);
const coords = {
x,
y
};
const axis = getMainAxisFromPlacement(placement);
const length = getLengthFromAxis(axis);
const arrowDimensions = await platform.getDimensions(element);
const isYAxis = axis === 'y';
const minProp = isYAxis ? 'top' : 'left';
const maxProp = isYAxis ? 'bottom' : 'right';
const clientProp = isYAxis ? 'clientHeight' : 'clientWidth';
const endDiff = rects.reference[length] + rects.reference[axis] - coords[axis] - rects.floating[length];
const startDiff = coords[axis] - rects.reference[axis];
const arrowOffsetParent = await (platform.getOffsetParent == null ? void 0 : platform.getOffsetParent(element));
let clientSize = arrowOffsetParent ? arrowOffsetParent[clientProp] : 0;
// DOM platform can return `window` as the `offsetParent`.
if (!clientSize || !(await (platform.isElement == null ? void 0 : platform.isElement(arrowOffsetParent)))) {
clientSize = elements.floating[clientProp] || rects.floating[length];
}
const centerToReference = endDiff / 2 - startDiff / 2;
// If the padding is large enough that it causes the arrow to no longer be
// centered, modify the padding so that it is centered.
const largestPossiblePadding = clientSize / 2 - arrowDimensions[length] / 2 - 1;
const minPadding = min$1(paddingObject[minProp], largestPossiblePadding);
const maxPadding = min$1(paddingObject[maxProp], largestPossiblePadding);
// Make sure the arrow doesn't overflow the floating element if the center
// point is outside the floating element's bounds.
const min$1$1 = minPadding;
const max = clientSize - arrowDimensions[length] - maxPadding;
const center = clientSize / 2 - arrowDimensions[length] / 2 + centerToReference;
const offset = within(min$1$1, center, max);
// If the reference is small enough that the arrow's padding causes it to
// to point to nothing for an aligned placement, adjust the offset of the
// floating element itself. This stops `shift()` from taking action, but can
// be worked around by calling it again after the `arrow()` if desired.
const shouldAddOffset = getAlignment(placement) != null && center != offset && rects.reference[length] / 2 - (center < min$1$1 ? minPadding : maxPadding) - arrowDimensions[length] / 2 < 0;
const alignmentOffset = shouldAddOffset ? center < min$1$1 ? min$1$1 - center : max - center : 0;
return {
[axis]: coords[axis] - alignmentOffset,
data: {
[axis]: offset,
centerOffset: center - offset + alignmentOffset
}
};
}
});
const sides = ['top', 'right', 'bottom', 'left'];
const allPlacements = /*#__PURE__*/sides.reduce((acc, side) => acc.concat(side, side + "-start", side + "-end"), []);
const oppositeSideMap = {
left: 'right',
right: 'left',
bottom: 'top',
top: 'bottom'
};
function getOppositePlacement(placement) {
return placement.replace(/left|right|bottom|top/g, side => oppositeSideMap[side]);
}
function getAlignmentSides(placement, rects, rtl) {
if (rtl === void 0) {
rtl = false;
}
const alignment = getAlignment(placement);
const mainAxis = getMainAxisFromPlacement(placement);
const length = getLengthFromAxis(mainAxis);
let mainAlignmentSide = mainAxis === 'x' ? alignment === (rtl ? 'end' : 'start') ? 'right' : 'left' : alignment === 'start' ? 'bottom' : 'top';
if (rects.reference[length] > rects.floating[length]) {
mainAlignmentSide = getOppositePlacement(mainAlignmentSide);
}
return {
main: mainAlignmentSide,
cross: getOppositePlacement(mainAlignmentSide)
};
}
const oppositeAlignmentMap = {
start: 'end',
end: 'start'
};
function getOppositeAlignmentPlacement(placement) {
return placement.replace(/start|end/g, alignment => oppositeAlignmentMap[alignment]);
}
function getPlacementList(alignment, autoAlignment, allowedPlacements) {
const allowedPlacementsSortedByAlignment = alignment ? [...allowedPlacements.filter(placement => getAlignment(placement) === alignment), ...allowedPlacements.filter(placement => getAlignment(placement) !== alignment)] : allowedPlacements.filter(placement => getSide(placement) === placement);
return allowedPlacementsSortedByAlignment.filter(placement => {
if (alignment) {
return getAlignment(placement) === alignment || (autoAlignment ? getOppositeAlignmentPlacement(placement) !== placement : false);
}
return true;
});
}
/**
* 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 = function (options) {
if (options === void 0) {
options = {};
}
return {
name: 'autoPlacement',
options,
async fn(state) {
var _middlewareData$autoP, _middlewareData$autoP2, _placementsThatFitOnE;
const {
rects,
middlewareData,
placement,
platform,
elements
} = state;
const {
crossAxis = false,
alignment,
allowedPlacements = allPlacements,
autoAlignment = true,
...detectOverflowOptions
} = evaluate(options, state);
const placements = alignment !== undefined || allowedPlacements === allPlacements ? getPlacementList(alignment || null, autoAlignment, allowedPlacements) : allowedPlacements;
const overflow = await detectOverflow(state, detectOverflowOptions);
const currentIndex = ((_middlewareData$autoP = middlewareData.autoPlacement) == null ? void 0 : _middlewareData$autoP.index) || 0;
const currentPlacement = placements[currentIndex];
if (currentPlacement == null) {
return {};
}
const {
main,
cross
} = getAlignmentSides(currentPlacement, rects, await (platform.isRTL == null ? void 0 : platform.isRTL(elements.floating)));
// Make `computeCoords` start from the right place.
if (placement !== currentPlacement) {
return {
reset: {
placement: placements[0]
}
};
}
const currentOverflows = [overflow[getSide(currentPlacement)], overflow[main], overflow[cross]];
const allOverflows = [...(((_middlewareData$autoP2 = middlewareData.autoPlacement) == null ? void 0 : _middlewareData$autoP2.overflows) || []), {
placement: currentPlacement,
overflows: currentOverflows
}];
const nextPlacement = placements[currentIndex + 1];
// There are more placements to check.
if (nextPlacement) {
return {
data: {
index: currentIndex + 1,
overflows: allOverflows
},
reset: {
placement: nextPlacement
}
};
}
const placementsSortedByMostSpace = allOverflows.map(d => {
const alignment = getAlignment(d.placement);
return [d.placement, alignment && crossAxis ?
// Check along the mainAxis and main crossAxis side.
d.overflows.slice(0, 2).reduce((acc, v) => acc + v, 0) :
// Check only the mainAxis.
d.overflows[0], d.overflows];
}).sort((a, b) => a[1] - b[1]);
const placementsThatFitOnEachSide = placementsSortedByMostSpace.filter(d => d[2].slice(0,
// Aligned placements should not check their opposite crossAxis
// side.
getAlignment(d[0]) ? 2 : 3).every(v => v <= 0));
const resetPlacement = ((_placementsThatFitOnE = placementsThatFitOnEachSide[0]) == null ? void 0 : _placementsThatFitOnE[0]) || placementsSortedByMostSpace[0][0];
if (resetPlacement !== placement) {
return {
data: {
index: currentIndex + 1,
overflows: allOverflows
},
reset: {
placement: resetPlacement
}
};
}
return {};
}
};
};
function getExpandedPlacements(placement) {
const oppositePlacement = getOppositePlacement(placement);
return [getOppositeAlignmentPlacement(placement), oppositePlacement, getOppositeAlignmentPlacement(oppositePlacement)];
}
function getSideList(side, isStart, rtl) {
const lr = ['left', 'right'];
const rl = ['right', 'left'];
const tb = ['top', 'bottom'];
const bt = ['bottom', 'top'];
switch (side) {
case 'top':
case 'bottom':
if (rtl) return isStart ? rl : lr;
return isStart ? lr : rl;
case 'left':
case 'right':
return isStart ? tb : bt;
default:
return [];
}
}
function getOppositeAxisPlacements(placement, flipAlignment, direction, rtl) {
const alignment = getAlignment(placement);
let list = getSideList(getSide(placement), direction === 'start', rtl);
if (alignment) {
list = list.map(side => side + "-" + alignment);
if (flipAlignment) {
list = list.concat(list.map(getOppositeAlignmentPlacement));
}
}
return list;
}
/**
* 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 = function (options) {
if (options === void 0) {
options = {};
}
return {
name: 'flip',
options,
async fn(state) {
var _middlewareData$flip;
const {
placement,
middlewareData,
rects,
initialPlacement,
platform,
elements
} = state;
const {
mainAxis: checkMainAxis = true,
crossAxis: checkCrossAxis = true,
fallbackPlacements: specifiedFallbackPlacements,
fallbackStrategy = 'bestFit',
fallbackAxisSideDirection = 'none',
flipAlignment = true,
...detectOverflowOptions
} = evaluate(options, state);
const side = getSide(placement);
const isBasePlacement = getSide(initialPlacement) === initialPlacement;
const rtl = await (platform.isRTL == null ? void 0 : platform.isRTL(elements.floating));
const fallbackPlacements = specifiedFallbackPlacements || (isBasePlacement || !flipAlignment ? [getOppositePlacement(initialPlacement)] : getExpandedPlacements(initialPlacement));
if (!specifiedFallbackPlacements && fallbackAxisSideDirection !== 'none') {
fallbackPlacements.push(...getOppositeAxisPlacements(initialPlacement, flipAlignment, fallbackAxisSideDirection, rtl));
}
const placements = [initialPlacement, ...fallbackPlacements];
const overflow = await detectOverflow(state, detectOverflowOptions);
const overflows = [];
let overflowsData = ((_middlewareData$flip = middlewareData.flip) == null ? void 0 : _middlewareData$flip.overflows) || [];
if (checkMainAxis) {
overflows.push(overflow[side]);
}
if (checkCrossAxis) {
const {
main,
cross
} = getAlignmentSides(placement, rects, rtl);
overflows.push(overflow[main], overflow[cross]);
}
overflowsData = [...overflowsData, {
placement,
overflows
}];
// One or more sides is overflowing.
if (!overflows.every(side => side <= 0)) {
var _middlewareData$flip2, _overflowsData$filter;
const nextIndex = (((_middlewareData$flip2 = middlewareData.flip) == null ? void 0 : _middlewareData$flip2.index) || 0) + 1;
const nextPlacement = placements[nextIndex];
if (nextPlacement) {
// Try next placement and re-run the lifecycle.
return {
data: {
index: nextIndex,
overflows: overflowsData
},
reset: {
placement: nextPlacement
}
};
}
// First, find the candidates that fit on the mainAxis side of overflow,
// then find the placement that fits the best on the main crossAxis side.
let resetPlacement = (_overflowsData$filter = overflowsData.filter(d => d.overflows[0] <= 0).sort((a, b) => a.overflows[1] - b.overflows[1])[0]) == null ? void 0 : _overflowsData$filter.placement;
// Otherwise fallback.
if (!resetPlacement) {
switch (fallbackStrategy) {
case 'bestFit':
{
var _overflowsData$map$so;
const placement = (_overflowsData$map$so = overflowsData.map(d => [d.placement, d.overflows.filter(overflow => overflow > 0).reduce((acc, overflow) => acc + overflow, 0)]).sort((a, b) => a[1] - b[1])[0]) == null ? void 0 : _overflowsData$map$so[0];
if (placement) {
resetPlacement = placement;
}
break;
}
case 'initialPlacement':
resetPlacement = initialPlacement;
break;
}
}
if (placement !== resetPlacement) {
return {
reset: {
placement: resetPlacement
}
};
}
}
return {};
}
};
};
function getSideOffsets(overflow, rect) {
return {
top: overflow.top - rect.height,
right: overflow.right - rect.width,
bottom: overflow.bottom - rect.height,
left: overflow.left - rect.width
};
}
function isAnySideFullyClipped(overflow) {
return sides.some(side => overflow[side] >= 0);
}
/**
* 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 = function (options) {
if (options === void 0) {
options = {};
}
return {
name: 'hide',
options,
async fn(state) {
const {
rects
} = state;
const {
strategy = 'referenceHidden',
...detectOverflowOptions
} = evaluate(options, state);
switch (strategy) {
case 'referenceHidden':
{
const overflow = await detectOverflow(state, {
...detectOverflowOptions,
elementContext: 'reference'
});
const offsets = getSideOffsets(overflow, rects.reference);
return {
data: {
referenceHiddenOffsets: offsets,
referenceHidden: isAnySideFullyClipped(offsets)
}
};
}
case 'escaped':
{
const overflow = await detectOverflow(state, {
...detectOverflowOptions,
altBoundary: true
});
const offsets = getSideOffsets(overflow, rects.floating);
return {
data: {
escapedOffsets: offsets,
escaped: isAnySideFullyClipped(offsets)
}
};
}
default:
{
return {};
}
}
}
};
};
async function convertValueToCoords(state, options) {
const {
placement,
platform,
elements
} = state;
const rtl = await (platform.isRTL == null ? void 0 : platform.isRTL(elements.floating));
const side = getSide(placement);
const alignment = getAlignment(placement);
const isVertical = getMainAxisFromPlacement(placement) === 'x';
const mainAxisMulti = ['left', 'top'].includes(side) ? -1 : 1;
const crossAxisMulti = rtl && isVertical ? -1 : 1;
const rawValue = evaluate(options, state);
// eslint-disable-next-line prefer-const
let {
mainAxis,
crossAxis,
alignmentAxis
} = typeof rawValue === 'number' ? {
mainAxis: rawValue,
crossAxis: 0,
alignmentAxis: null
} : {
mainAxis: 0,
crossAxis: 0,
alignmentAxis: null,
...rawValue
};
if (alignment && typeof alignmentAxis === 'number') {
crossAxis = alignment === 'end' ? alignmentAxis * -1 : alignmentAxis;
}
return isVertical ? {
x: crossAxis * crossAxisMulti,
y: mainAxis * mainAxisMulti
} : {
x: mainAxis * mainAxisMulti,
y: crossAxis * crossAxisMulti
};
}
/**
* 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 = function (options) {
if (options === void 0) {
options = 0;
}
return {
name: 'offset',
options,
async fn(state) {
const {
x,
y
} = state;
const diffCoords = await convertValueToCoords(state, options);
return {
x: x + diffCoords.x,
y: y + diffCoords.y,
data: diffCoords
};
}
};
};
function getCrossAxis(axis) {
return axis === 'x' ? 'y' : 'x';
}
/**
* 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 = function (options) {
if (options === void 0) {
options = {};
}
return {
name: 'shift',
options,
async fn(state) {
const {
x,
y,
placement
} = state;
const {
mainAxis: checkMainAxis = true,
crossAxis: checkCrossAxis = false,
limiter = {
fn: _ref => {
let {
x,
y
} = _ref;
return {
x,
y
};
}
},
...detectOverflowOptions
} = evaluate(options, state);
const coords = {
x,
y
};
const overflow = await detectOverflow(state, detectOverflowOptions);
const mainAxis = getMainAxisFromPlacement(getSide(placement));
const crossAxis = getCrossAxis(mainAxis);
let mainAxisCoord = coords[mainAxis];
let crossAxisCoord = coords[crossAxis];
if (checkMainAxis) {
const minSide = mainAxis === 'y' ? 'top' : 'left';
const maxSide = mainAxis === 'y' ? 'bottom' : 'right';
const min = mainAxisCoord + overflow[minSide];
const max = mainAxisCoord - overflow[maxSide];
mainAxisCoord = within(min, mainAxisCoord, max);
}
if (checkCrossAxis) {
const minSide = crossAxis === 'y' ? 'top' : 'left';
const maxSide = crossAxis === 'y' ? 'bottom' : 'right';
const min = crossAxisCoord + overflow[minSide];
const max = crossAxisCoord - overflow[maxSide];
crossAxisCoord = within(min, crossAxisCoord, max);
}
const limitedCoords = limiter.fn({
...state,
[mainAxis]: mainAxisCoord,
[crossAxis]: crossAxisCoord
});
return {
...limitedCoords,
data: {
x: limitedCoords.x - x,
y: limitedCoords.y - y
}
};
}
};
};
function getWindow(node) {
var _node$ownerDocument;
return ((_node$ownerDocument = node.ownerDocument) == null ? void 0 : _node$ownerDocument.defaultView) || window;
}
function getComputedStyle$1(element) {
return getWindow(element).getComputedStyle(element);
}
function isNode(value) {
return value instanceof getWindow(value).Node;
}
function getNodeName(node) {
if (isNode(node)) {
return (node.nodeName || '').toLowerCase();
}
// Mocked nodes in testing environments may not be instances of Node. By
// returning `#document` an infinite loop won't occur.
// https://github.com/floating-ui/floating-ui/issues/2317
return '#document';
}
function isHTMLElement(value) {
return value instanceof getWindow(value).HTMLElement;
}
function isElement(value) {
return value instanceof getWindow(value).Element;
}
function isShadowRoot(node) {
// Browsers without `ShadowRoot` support.
if (typeof ShadowRoot === 'undefined') {
return false;
}
return node instanceof getWindow(node).ShadowRoot || node instanceof ShadowRoot;
}
function isOverflowElement(element) {
const {
overflow,
overflowX,
overflowY,
display
} = getComputedStyle$1(element);
return /auto|scroll|overlay|hidden|clip/.test(overflow + overflowY + overflowX) && !['inline', 'contents'].includes(display);
}
function isTableElement(element) {
return ['table', 'td', 'th'].includes(getNodeName(element));
}
function isContainingBlock(element) {
const safari = isSafari();
const css = getComputedStyle$1(element);
// https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block
return css.transform !== 'none' || css.perspective !== 'none' || !safari && (css.backdropFilter ? css.backdropFilter !== 'none' : false) || !safari && (css.filter ? css.filter !== 'none' : false) || ['transform', 'perspective', 'filter'].some(value => (css.willChange || '').includes(value)) || ['paint', 'layout', 'strict', 'content'].some(value => (css.contain || '').includes(value));
}
function isSafari() {
if (typeof CSS === 'undefined' || !CSS.supports) return false;
return CSS.supports('-webkit-backdrop-filter', 'none');
}
function isLastTraversableNode(node) {
return ['html', 'body', '#document'].includes(getNodeName(node));
}
const min = Math.min;
const max = Math.max;
const round = Math.round;
const floor = Math.floor;
const createEmptyCoords = v => ({
x: v,
y: v
});
function getCssDimensions(element) {
const css = getComputedStyle$1(element);
// In testing environments, the `width` and `height` properties are empty
// strings for SVG elements, returning NaN. Fallback to `0` in this case.
let width = parseFloat(css.width) || 0;
let height = parseFloat(css.height) || 0;
const hasOffset = isHTMLElement(element);
const offsetWidth = hasOffset ? element.offsetWidth : width;
const offsetHeight = hasOffset ? element.offsetHeight : height;
const shouldFallback = round(width) !== offsetWidth || round(height) !== offsetHeight;
if (shouldFallback) {
width = offsetWidth;
height = offsetHeight;
}
return {
width,
height,
$: shouldFallback
};
}
function unwrapElement(element) {
return !isElement(element) ? element.contextElement : element;
}
function getScale(element) {
const domElement = unwrapElement(element);
if (!isHTMLElement(domElement)) {
return createEmptyCoords(1);
}
const rect = domElement.getBoundingClientRect();
const {
width,
height,
$
} = getCssDimensions(domElement);
let x = ($ ? round(rect.width) : rect.width) / width;
let y = ($ ? round(rect.height) : rect.height) / height;
// 0, NaN, or Infinity should always fallback to 1.
if (!x || !Number.isFinite(x)) {
x = 1;
}
if (!y || !Number.isFinite(y)) {
y = 1;
}
return {
x,
y
};
}
const noOffsets = /*#__PURE__*/createEmptyCoords(0);
function getVisualOffsets(element, isFixed, floatingOffsetParent) {
var _win$visualViewport, _win$visualViewport2;
if (isFixed === void 0) {
isFixed = true;
}
if (!isSafari()) {
return noOffsets;
}
const win = element ? getWindow(element) : window;
if (!floatingOffsetParent || isFixed && floatingOffsetParent !== win) {
return noOffsets;
}
return {
x: ((_win$visualViewport = win.visualViewport) == null ? void 0 : _win$visualViewport.offsetLeft) || 0,
y: ((_win$visualViewport2 = win.visualViewport) == null ? void 0 : _win$visualViewport2.offsetTop) || 0
};
}
function getBoundingClientRect(element, includeScale, isFixedStrategy, offsetParent) {
if (includeScale === void 0) {
includeScale = false;
}
if (isFixedStrategy === void 0) {
isFixedStrategy = false;
}
const clientRect = element.getBoundingClientRect();
const domElement = unwrapElement(element);
let scale = createEmptyCoords(1);
if (includeScale) {
if (offsetParent) {
if (isElement(offsetParent)) {
scale = getScale(offsetParent);
}
} else {
scale = getScale(element);
}
}
const visualOffsets = getVisualOffsets(domElement, isFixedStrategy, offsetParent);
let x = (clientRect.left + visualOffsets.x) / scale.x;
let y = (clientRect.top + visualOffsets.y) / scale.y;
let width = clientRect.width / scale.x;
let height = clientRect.height / scale.y;
if (domElement) {
const win = getWindow(domElement);
const offsetWin = offsetParent && isElement(offsetParent) ? getWindow(offsetParent) : offsetParent;
let currentIFrame = win.frameElement;
while (currentIFrame && offsetParent && offsetWin !== win) {
const iframeScale = getScale(currentIFrame);
const iframeRect = currentIFrame.getBoundingClientRect();
const css = getComputedStyle(currentIFrame);
const left = iframeRect.left + (currentIFrame.clientLeft + parseFloat(css.paddingLeft)) * iframeScale.x;
const top = iframeRect.top + (currentIFrame.clientTop + parseFloat(css.paddingTop)) * iframeScale.y;
x *= iframeScale.x;
y *= iframeScale.y;
width *= iframeScale.x;
height *= iframeScale.y;
x += left;
y += top;
currentIFrame = getWindow(currentIFrame).frameElement;
}
}
return rectToClientRect({
width,
height,
x,
y
});
}
function getDocumentElement(node) {
return ((isNode(node) ? node.ownerDocument : node.document) || window.document).documentElement;
}
function getNodeScroll(element) {
if (isElement(element)) {
return {
scrollLeft: element.scrollLeft,
scrollTop: element.scrollTop
};
}
return {
scrollLeft: element.pageXOffset,
scrollTop: element.pageYOffset
};
}
function convertOffsetParentRelativeRectToViewportRelativeRect(_ref) {
let {
rect,
offsetParent,
strategy
} = _ref;
const isOffsetParentAnElement = isHTMLElement(offsetParent);
const documentElement = getDocumentElement(offsetParent);
if (offsetParent === documentElement) {
return rect;
}
let scroll = {
scrollLeft: 0,
scrollTop: 0
};
let scale = createEmptyCoords(1);
const offsets = createEmptyCoords(0);
if (isOffsetParentAnElement || !isOffsetParentAnElement && strategy !== 'fixed') {
if (getNodeName(offsetParent) !== 'body' || isOverflowElement(documentElement)) {
scroll = getNodeScroll(offsetParent);
}
if (isHTMLElement(offsetParent)) {
const offsetRect = getBoundingClientRect(offsetParent);
scale = getScale(offsetParent);
offsets.x = offsetRect.x + offsetParent.clientLeft;
offsets.y = offsetRect.y + offsetParent.clientTop;
}
}
return {
width: rect.width * scale.x,
height: rect.height * scale.y,
x: rect.x * scale.x - scroll.scrollLeft * scale.x + offsets.x,
y: rect.y * scale.y - scroll.scrollTop * scale.y + offsets.y
};
}
function getWindowScrollBarX(element) {
// If <html> has a CSS width greater than the viewport, then this will be
// incorrect for RTL.
return getBoundingClientRect(getDocumentElement(element)).left + getNodeScroll(element).scrollLeft;
}
// Gets the entire size of the scrollable document area, even extending outside
// of the `<html>` and `<body>` rect bounds if horizontally scrollable.
function getDocumentRect(element) {
const html = getDocumentElement(element);
const scroll = getNodeScroll(element);
const body = element.ownerDocument.body;
const width = max(html.scrollWidth, html.clientWidth, body.scrollWidth, body.clientWidth);
const height = max(html.scrollHeight, html.clientHeight, body.scrollHeight, body.clientHeight);
let x = -scroll.scrollLeft + getWindowScrollBarX(element);
const y = -scroll.scrollTop;
if (getComputedStyle$1(body).direction === 'rtl') {
x += max(html.clientWidth, body.clientWidth) - width;
}
return {
width,
height,
x,
y
};
}
function getParentNode(node) {
if (getNodeName(node) === 'html') {
return node;
}
const result =
// Step into the shadow DOM of the parent of a slotted node.
node.assignedSlot ||
// DOM Element detected.
node.parentNode ||
// ShadowRoot detected.
isShadowRoot(node) && node.host ||
// Fallback.
getDocumentElement(node);
return isShadowRoot(result) ? result.host : result;
}
function getNearestOverflowAncestor(node) {
const parentNode = getParentNode(node);
if (isLastTraversableNode(parentNode)) {
return node.ownerDocument ? node.ownerDocument.body : node.body;
}
if (isHTMLElement(parentNode) && isOverflowElement(parentNode)) {
return parentNode;
}
return getNearestOverflowAncestor(parentNode);
}
function getOverflowAncestors(node, list) {
var _node$ownerDocument;
if (list === void 0) {
list = [];
}
const scrollableAncestor = getNearestOverflowAncestor(node);
const isBody = scrollableAncestor === ((_node$ownerDocument = node.ownerDocument) == null ? void 0 : _node$ownerDocument.body);
const win = getWindow(scrollableAncestor);
if (isBody) {
return list.concat(win, win.visualViewport || [], isOverflowElement(scrollableAncestor) ? scrollableAncestor : []);
}
return list.concat(scrollableAncestor, getOverflowAncestors(scrollableAncestor));
}
function getViewportRect(element, strategy) {
const win = getWindow(element);
const html = getDocumentElement(element);
const visualViewport = win.visualViewport;
let width = html.clientWidth;
let height = html.clientHeight;
let x = 0;
let y = 0;
if (visualViewport) {
width = visualViewport.width;
height = visualViewport.height;
const visualViewportBased = isSafari();
if (!visualViewportBased || visualViewportBased && strategy === 'fixed') {
x = visualViewport.offsetLeft;
y = visualViewport.offsetTop;
}
}
return {
width,
height,
x,
y
};
}
// 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) : createEmptyCoords(1);
const width = element.clientWidth * scale.x;
const height = element.clientHeight * scale.y;
const x = left * scale.x;
const y = top * scale.y;
return {
width,
height,
x,
y
};
}
function getClientRectFromClippingAncestor(element, clippingAncestor, strategy) {
let rect;
if (clippingAncestor === 'viewport') {
rect = getViewportRect(element, strategy);
} else if (clippingAncestor === 'document') {
rect = getDocumentRect(getDocumentElement(element));
} else if (isElement(clippingAncestor)) {
rect = getInnerBoundingClientRect(clippingAncestor, strategy);
} else {
const visualOffsets = getVisualOffsets(element);
rect = {
...clippingAncestor,
x: clippingAncestor.x - visualOffsets.x,
y: clippingAncestor.y - visualOffsets.y
};
}
return 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).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 && ['absolute', 'fixed'].includes(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' ? 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) {
return getCssDimensions(element);
}
function getTrueOffsetParent(element, polyfill) {
if (!isHTMLElement(element) || getComputedStyle$1(element).position === 'fixed') {
return null;
}
if (polyfill) {
return polyfill(element);
}
return element.offsetParent;
}
function getContainingBlock(element) {
let currentNode = getParentNode(element);
while (isHTMLElement(currentNode) && !isLastTraversableNode(currentNode)) {
if (isContainingBlock(currentNode)) {
return currentNode;
} else {
currentNode = getParentNode(currentNode);
}
}
return null;
}
// Gets the closest ancestor positioned element. Handles some edge cases,
// such as table ancestors and cross browser bugs.
function getOffsetParent(element, polyfill) {
const window = getWindow(element);
if (!isHTMLElement(element)) {
return window;
}
let offsetParent = getTrueOffsetParent(element, polyfill);
while (offsetParent && isTableElement(offsetParent) && getComputedStyle$1(offsetParent).position === 'static') {
offsetParent = getTrueOffsetParent(offsetParent, polyfill);
}
if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle$1(offsetParent).position === 'static' && !isContainingBlock(offsetParent))) {
return window;
}
return offsetParent || getContainingBlock(element) || window;
}
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 = createEmptyCoords(0);
if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
if (getNodeName(offsetParent) !== 'body' || isOverflowElement(documentElement)) {
scroll = getNodeScroll(offsetParent);
}
if (isHTMLElement(offsetParent)) {
const offsetRect = getBoundingClientRect(offsetParent, true, isFixed, offsetParent);
offsets.x = offsetRect.x + offsetParent.clientLeft;
offsets.y = offsetRect.y + offsetParent.clientTop;
} else if (documentElement) {
offsets.x = getWindowScrollBarX(documentElement);
}
}
return {
x: rect.left + scroll.scrollLeft - offsets.x,
y: rect.top + scroll.scrollTop - offsets.y,
width: rect.width,
height: rect.height
};
}
const platform = {
getClippingRect,
convertOffsetParentRelativeRectToViewportRelativeRect,
isElement,
getDimensions,
getOffsetParent,
getDocumentElement,
getScale,
async getElementRects(_ref) {
let {
reference,
floating,
strategy
} = _ref;
const getOffsetParentFn = this.getOffsetParent || getOffsetParent;
const getDimensionsFn = this.getDimensions;
return {
reference: getRectRelativeToOffsetParent(reference, await getOffsetParentFn(floating), strategy),
floating: {
x: 0,
y: 0,
...(await getDimensionsFn(floating))
}
};
},
getClientRects: element => Array.from(element.getClientRects()),
isRTL: element => getComputedStyle$1(element).direction === 'rtl'
};
// https://samthor.au/2021/observing-dom/
function observeMove(element, onMove) {
let io = null;
let timeoutId;
const root = getDocumentElement(element);
function cleanup() {
clearTimeout(timeoutId);
io && io.disconnect();
io = null;
}
function refresh(skip, threshold) {
if (skip === void 0) {
skip = false;
}
if (threshold === void 0) {
threshold = 1;
}
cleanup();
const {
left,
top,
width,
height
} = element.getBoundingClientRect();
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";
let isFirstUpdate = true;
io = new IntersectionObserver(entries => {
const ratio = entries[0].intersectionRatio;
if (ratio !== threshold) {
if (!isFirstUpdate) {
return refresh();
}
if (ratio === 0) {
timeoutId = setTimeout(() => {
refresh(false, 1e-7);
}, 100);
} else {
refresh(false, ratio);
}
}
isFirstUpdate = false;
}, {
rootMargin,
threshold
});
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 = true,
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 resizeObserver = null;
if (elementResize) {
resizeObserver = new ResizeObserver(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 && (nextRefRect.x !== prevRefRect.x || nextRefRect.y !== prevRefRect.y || nextRefRect.width !== prevRefRect.width || nextRefRect.height !== prevRefRect.height)) {
update();
}
prevRefRect = nextRefRect;
frameId = requestAnimationFrame(frameLoop);
}
update();
return () => {
ancestors.forEach(ancestor => {
ancestorScroll && ancestor.removeEventListener('scroll', update);
ancestorResize && ancestor.removeEventListener('resize', update);
});
cleanupIo && cleanupIo();
resizeObserver && resizeObserver.disconnect();
resizeObserver = null;
if (animationFrame) {
cancelAnimationFrame(frameId);
}
};
}
/**
* Computes the `x` and `y` coordinates that will place the floating element
* next to a reference element when it is given a certain CSS positioning
* strategy.
*/
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