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authorrxliuli <rxliuli@gmail.com>2025-11-04 05:03:50 +0800
committerrxliuli <rxliuli@gmail.com>2025-11-04 05:03:50 +0800
commitbce557cc2dc767628bed6aac87301a1be7c5431b (patch)
treeb51a051228d01fe3306cd7626d4a96768aadb944 /node_modules/@floating-ui/core/dist
init commit
Diffstat (limited to 'node_modules/@floating-ui/core/dist')
-rw-r--r--node_modules/@floating-ui/core/dist/floating-ui.core.mjs1046
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diff --git a/node_modules/@floating-ui/core/dist/floating-ui.core.mjs b/node_modules/@floating-ui/core/dist/floating-ui.core.mjs
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+++ b/node_modules/@floating-ui/core/dist/floating-ui.core.mjs
@@ -0,0 +1,1046 @@
+import { getSideAxis, getAlignmentAxis, getAxisLength, getSide, getAlignment, evaluate, getPaddingObject, rectToClientRect, min, clamp, placements, getAlignmentSides, getOppositeAlignmentPlacement, getOppositePlacement, getExpandedPlacements, getOppositeAxisPlacements, sides, max, getOppositeAxis } from '@floating-ui/utils';
+export { rectToClientRect } from '@floating-ui/utils';
+
+function computeCoordsFromPlacement(_ref, placement, rtl) {
+ let {
+ reference,
+ floating
+ } = _ref;
+ const sideAxis = getSideAxis(placement);
+ const alignmentAxis = getAlignmentAxis(placement);
+ const alignLength = getAxisLength(alignmentAxis);
+ const side = getSide(placement);
+ const isVertical = sideAxis === 'y';
+ const commonX = reference.x + reference.width / 2 - floating.width / 2;
+ const commonY = reference.y + reference.height / 2 - floating.height / 2;
+ const commonAlign = reference[alignLength] / 2 - floating[alignLength] / 2;
+ 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[alignmentAxis] -= commonAlign * (rtl && isVertical ? -1 : 1);
+ break;
+ case 'end':
+ coords[alignmentAxis] += commonAlign * (rtl && isVertical ? -1 : 1);
+ break;
+ }
+ return coords;
+}
+
+/**
+ * Computes the `x` and `y` coordinates that will place the floating element
+ * next to a given reference element.
+ *
+ * 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 = 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;
+ }
+ }
+ return {
+ x,
+ y,
+ placement: statefulPlacement,
+ strategy,
+ middlewareData
+ };
+};
+
+/**
+ * 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 = getPaddingObject(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' ? {
+ x,
+ y,
+ width: rects.floating.width,
+ height: rects.floating.height
+ } : 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({
+ elements,
+ 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
+ };
+}
+
+/**
+ * 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,
+ middlewareData
+ } = state;
+ // Since `element` is required, we don't Partial<> the type.
+ const {
+ element,
+ padding = 0
+ } = evaluate(options, state) || {};
+ if (element == null) {
+ return {};
+ }
+ const paddingObject = getPaddingObject(padding);
+ const coords = {
+ x,
+ y
+ };
+ const axis = getAlignmentAxis(placement);
+ const length = getAxisLength(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(paddingObject[minProp], largestPossiblePadding);
+ const maxPadding = min(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 = minPadding;
+ const max = clientSize - arrowDimensions[length] - maxPadding;
+ const center = clientSize / 2 - arrowDimensions[length] / 2 + centerToReference;
+ const offset = clamp(min$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. To ensure `shift()` continues to take action,
+ // a single reset is performed when this is true.
+ const shouldAddOffset = !middlewareData.arrow && getAlignment(placement) != null && center !== offset && rects.reference[length] / 2 - (center < min$1 ? minPadding : maxPadding) - arrowDimensions[length] / 2 < 0;
+ const alignmentOffset = shouldAddOffset ? center < min$1 ? center - min$1 : center - max : 0;
+ return {
+ [axis]: coords[axis] + alignmentOffset,
+ data: {
+ [axis]: offset,
+ centerOffset: center - offset - alignmentOffset,
+ ...(shouldAddOffset && {
+ alignmentOffset
+ })
+ },
+ reset: shouldAddOffset
+ };
+ }
+});
+
+function getPlacementList(alignment, autoAlignment, allowedPlacements) {
+ const allowedPlacementsSortedByAlignment = alignment ? [...allowedPlacements.filter(placement => getAlignment(placement) === alignment), ...allowedPlacements.filter(placement => getAlignment(placement) !== alignment)] : allowedPlacements.filter(placement => getSide(placement) === placement);
+ return allowedPlacementsSortedByAlignment.filter(placement => {
+ if (alignment) {
+ return getAlignment(placement) === alignment || (autoAlignment ? getOppositeAlignmentPlacement(placement) !== placement : false);
+ }
+ return true;
+ });
+}
+/**
+ * Optimizes the visibility of the floating element by choosing the placement
+ * that has the most space available automatically, without needing to specify a
+ * preferred placement. Alternative to `flip`.
+ * @see https://floating-ui.com/docs/autoPlacement
+ */
+const autoPlacement = function (options) {
+ if (options === void 0) {
+ options = {};
+ }
+ return {
+ name: 'autoPlacement',
+ options,
+ async fn(state) {
+ var _middlewareData$autoP, _middlewareData$autoP2, _placementsThatFitOnE;
+ const {
+ rects,
+ middlewareData,
+ placement,
+ platform,
+ elements
+ } = state;
+ const {
+ crossAxis = false,
+ alignment,
+ allowedPlacements = placements,
+ autoAlignment = true,
+ ...detectOverflowOptions
+ } = evaluate(options, state);
+ const placements$1 = alignment !== undefined || allowedPlacements === placements ? getPlacementList(alignment || null, autoAlignment, allowedPlacements) : allowedPlacements;
+ const overflow = await detectOverflow(state, detectOverflowOptions);
+ const currentIndex = ((_middlewareData$autoP = middlewareData.autoPlacement) == null ? void 0 : _middlewareData$autoP.index) || 0;
+ const currentPlacement = placements$1[currentIndex];
+ if (currentPlacement == null) {
+ return {};
+ }
+ const alignmentSides = 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$1[0]
+ }
+ };
+ }
+ const currentOverflows = [overflow[getSide(currentPlacement)], overflow[alignmentSides[0]], overflow[alignmentSides[1]]];
+ const allOverflows = [...(((_middlewareData$autoP2 = middlewareData.autoPlacement) == null ? void 0 : _middlewareData$autoP2.overflows) || []), {
+ placement: currentPlacement,
+ overflows: currentOverflows
+ }];
+ const nextPlacement = placements$1[currentIndex + 1];
+
+ // There are more placements to check.
+ if (nextPlacement) {
+ return {
+ data: {
+ index: currentIndex + 1,
+ overflows: allOverflows
+ },
+ reset: {
+ placement: nextPlacement
+ }
+ };
+ }
+ const placementsSortedByMostSpace = allOverflows.map(d => {
+ const alignment = getAlignment(d.placement);
+ return [d.placement, alignment && crossAxis ?
+ // Check along the mainAxis and main crossAxis side.
+ d.overflows.slice(0, 2).reduce((acc, v) => acc + v, 0) :
+ // Check only the mainAxis.
+ d.overflows[0], d.overflows];
+ }).sort((a, b) => a[1] - b[1]);
+ const placementsThatFitOnEachSide = placementsSortedByMostSpace.filter(d => d[2].slice(0,
+ // Aligned placements should not check their opposite crossAxis
+ // side.
+ getAlignment(d[0]) ? 2 : 3).every(v => v <= 0));
+ const resetPlacement = ((_placementsThatFitOnE = placementsThatFitOnEachSide[0]) == null ? void 0 : _placementsThatFitOnE[0]) || placementsSortedByMostSpace[0][0];
+ if (resetPlacement !== placement) {
+ return {
+ data: {
+ index: currentIndex + 1,
+ overflows: allOverflows
+ },
+ reset: {
+ placement: resetPlacement
+ }
+ };
+ }
+ return {};
+ }
+ };
+};
+
+/**
+ * Optimizes the visibility of the floating element by flipping the `placement`
+ * in order to keep it in view when the preferred placement(s) will overflow the
+ * clipping boundary. Alternative to `autoPlacement`.
+ * @see https://floating-ui.com/docs/flip
+ */
+const flip = function (options) {
+ if (options === void 0) {
+ options = {};
+ }
+ return {
+ name: 'flip',
+ options,
+ async fn(state) {
+ var _middlewareData$arrow, _middlewareData$flip;
+ const {
+ placement,
+ middlewareData,
+ rects,
+ initialPlacement,
+ platform,
+ elements
+ } = state;
+ const {
+ mainAxis: checkMainAxis = true,
+ crossAxis: checkCrossAxis = true,
+ fallbackPlacements: specifiedFallbackPlacements,
+ fallbackStrategy = 'bestFit',
+ fallbackAxisSideDirection = 'none',
+ flipAlignment = true,
+ ...detectOverflowOptions
+ } = evaluate(options, state);
+
+ // If a reset by the arrow was caused due to an alignment offset being
+ // added, we should skip any logic now since `flip()` has already done its
+ // work.
+ // https://github.com/floating-ui/floating-ui/issues/2549#issuecomment-1719601643
+ if ((_middlewareData$arrow = middlewareData.arrow) != null && _middlewareData$arrow.alignmentOffset) {
+ return {};
+ }
+ const side = getSide(placement);
+ const initialSideAxis = getSideAxis(initialPlacement);
+ const isBasePlacement = getSide(initialPlacement) === initialPlacement;
+ const rtl = await (platform.isRTL == null ? void 0 : platform.isRTL(elements.floating));
+ const fallbackPlacements = specifiedFallbackPlacements || (isBasePlacement || !flipAlignment ? [getOppositePlacement(initialPlacement)] : getExpandedPlacements(initialPlacement));
+ const hasFallbackAxisSideDirection = fallbackAxisSideDirection !== 'none';
+ if (!specifiedFallbackPlacements && hasFallbackAxisSideDirection) {
+ fallbackPlacements.push(...getOppositeAxisPlacements(initialPlacement, flipAlignment, fallbackAxisSideDirection, rtl));
+ }
+ const placements = [initialPlacement, ...fallbackPlacements];
+ const overflow = await detectOverflow(state, detectOverflowOptions);
+ const overflows = [];
+ let overflowsData = ((_middlewareData$flip = middlewareData.flip) == null ? void 0 : _middlewareData$flip.overflows) || [];
+ if (checkMainAxis) {
+ overflows.push(overflow[side]);
+ }
+ if (checkCrossAxis) {
+ const sides = getAlignmentSides(placement, rects, rtl);
+ overflows.push(overflow[sides[0]], overflow[sides[1]]);
+ }
+ overflowsData = [...overflowsData, {
+ placement,
+ overflows
+ }];
+
+ // One or more sides is overflowing.
+ if (!overflows.every(side => side <= 0)) {
+ var _middlewareData$flip2, _overflowsData$filter;
+ const nextIndex = (((_middlewareData$flip2 = middlewareData.flip) == null ? void 0 : _middlewareData$flip2.index) || 0) + 1;
+ const nextPlacement = placements[nextIndex];
+ if (nextPlacement) {
+ var _overflowsData$;
+ const ignoreCrossAxisOverflow = checkCrossAxis === 'alignment' ? initialSideAxis !== getSideAxis(nextPlacement) : false;
+ const hasInitialMainAxisOverflow = ((_overflowsData$ = overflowsData[0]) == null ? void 0 : _overflowsData$.overflows[0]) > 0;
+ if (!ignoreCrossAxisOverflow || hasInitialMainAxisOverflow) {
+ // Try next placement and re-run the lifecycle.
+ return {
+ data: {
+ index: nextIndex,
+ overflows: overflowsData
+ },
+ reset: {
+ placement: nextPlacement
+ }
+ };
+ }
+ }
+
+ // First, find the candidates that fit on the mainAxis side of overflow,
+ // then find the placement that fits the best on the main crossAxis side.
+ let resetPlacement = (_overflowsData$filter = overflowsData.filter(d => d.overflows[0] <= 0).sort((a, b) => a.overflows[1] - b.overflows[1])[0]) == null ? void 0 : _overflowsData$filter.placement;
+
+ // Otherwise fallback.
+ if (!resetPlacement) {
+ switch (fallbackStrategy) {
+ case 'bestFit':
+ {
+ var _overflowsData$filter2;
+ const placement = (_overflowsData$filter2 = overflowsData.filter(d => {
+ if (hasFallbackAxisSideDirection) {
+ const currentSideAxis = getSideAxis(d.placement);
+ return currentSideAxis === initialSideAxis ||
+ // Create a bias to the `y` side axis due to horizontal
+ // reading directions favoring greater width.
+ currentSideAxis === 'y';
+ }
+ return true;
+ }).map(d => [d.placement, d.overflows.filter(overflow => overflow > 0).reduce((acc, overflow) => acc + overflow, 0)]).sort((a, b) => a[1] - b[1])[0]) == null ? void 0 : _overflowsData$filter2[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 {};
+ }
+ }
+ }
+ };
+};
+
+function getBoundingRect(rects) {
+ const minX = min(...rects.map(rect => rect.left));
+ const minY = min(...rects.map(rect => rect.top));
+ const maxX = max(...rects.map(rect => rect.right));
+ const maxY = max(...rects.map(rect => rect.bottom));
+ return {
+ x: minX,
+ y: minY,
+ width: maxX - minX,
+ height: maxY - minY
+ };
+}
+function getRectsByLine(rects) {
+ const sortedRects = rects.slice().sort((a, b) => a.y - b.y);
+ const groups = [];
+ let prevRect = null;
+ for (let i = 0; i < sortedRects.length; i++) {
+ const rect = sortedRects[i];
+ if (!prevRect || rect.y - prevRect.y > prevRect.height / 2) {
+ groups.push([rect]);
+ } else {
+ groups[groups.length - 1].push(rect);
+ }
+ prevRect = rect;
+ }
+ return groups.map(rect => rectToClientRect(getBoundingRect(rect)));
+}
+/**
+ * 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 = function (options) {
+ if (options === void 0) {
+ options = {};
+ }
+ return {
+ name: 'inline',
+ options,
+ async fn(state) {
+ const {
+ placement,
+ elements,
+ rects,
+ platform,
+ strategy
+ } = state;
+ // A MouseEvent's client{X,Y} coords can be up to 2 pixels off a
+ // ClientRect's bounds, despite the event listener being triggered. A
+ // padding of 2 seems to handle this issue.
+ const {
+ padding = 2,
+ x,
+ y
+ } = evaluate(options, state);
+ const nativeClientRects = Array.from((await (platform.getClientRects == null ? void 0 : platform.getClientRects(elements.reference))) || []);
+ const clientRects = getRectsByLine(nativeClientRects);
+ const fallback = rectToClientRect(getBoundingRect(nativeClientRects));
+ const paddingObject = getPaddingObject(padding);
+ function getBoundingClientRect() {
+ // There are two rects and they are disjoined.
+ if (clientRects.length === 2 && clientRects[0].left > clientRects[1].right && x != null && y != null) {
+ // Find the first rect in which the point is fully inside.
+ return clientRects.find(rect => x > rect.left - paddingObject.left && x < rect.right + paddingObject.right && y > rect.top - paddingObject.top && y < rect.bottom + paddingObject.bottom) || fallback;
+ }
+
+ // There are 2 or more connected rects.
+ if (clientRects.length >= 2) {
+ if (getSideAxis(placement) === 'y') {
+ const firstRect = clientRects[0];
+ const lastRect = clientRects[clientRects.length - 1];
+ const isTop = getSide(placement) === 'top';
+ const top = firstRect.top;
+ const bottom = lastRect.bottom;
+ const left = isTop ? firstRect.left : lastRect.left;
+ const right = isTop ? firstRect.right : lastRect.right;
+ const width = right - left;
+ const height = bottom - top;
+ return {
+ top,
+ bottom,
+ left,
+ right,
+ width,
+ height,
+ x: left,
+ y: top
+ };
+ }
+ const isLeftSide = getSide(placement) === 'left';
+ const maxRight = max(...clientRects.map(rect => rect.right));
+ const minLeft = min(...clientRects.map(rect => rect.left));
+ const measureRects = clientRects.filter(rect => isLeftSide ? rect.left === minLeft : rect.right === maxRight);
+ const top = measureRects[0].top;
+ const bottom = measureRects[measureRects.length - 1].bottom;
+ const left = minLeft;
+ const right = maxRight;
+ const width = right - left;
+ const height = bottom - top;
+ return {
+ top,
+ bottom,
+ left,
+ right,
+ width,
+ height,
+ x: left,
+ y: top
+ };
+ }
+ return fallback;
+ }
+ const resetRects = await platform.getElementRects({
+ reference: {
+ getBoundingClientRect
+ },
+ floating: elements.floating,
+ strategy
+ });
+ if (rects.reference.x !== resetRects.reference.x || rects.reference.y !== resetRects.reference.y || rects.reference.width !== resetRects.reference.width || rects.reference.height !== resetRects.reference.height) {
+ return {
+ reset: {
+ rects: resetRects
+ }
+ };
+ }
+ return {};
+ }
+ };
+};
+
+// For type backwards-compatibility, the `OffsetOptions` type was also
+// Derivable.
+
+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 = getSideAxis(placement) === 'y';
+ 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: rawValue.mainAxis || 0,
+ crossAxis: rawValue.crossAxis || 0,
+ alignmentAxis: rawValue.alignmentAxis
+ };
+ 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) {
+ var _middlewareData$offse, _middlewareData$arrow;
+ const {
+ x,
+ y,
+ placement,
+ middlewareData
+ } = state;
+ const diffCoords = await convertValueToCoords(state, options);
+
+ // If the placement is the same and the arrow caused an alignment offset
+ // then we don't need to change the positioning coordinates.
+ if (placement === ((_middlewareData$offse = middlewareData.offset) == null ? void 0 : _middlewareData$offse.placement) && (_middlewareData$arrow = middlewareData.arrow) != null && _middlewareData$arrow.alignmentOffset) {
+ return {};
+ }
+ return {
+ x: x + diffCoords.x,
+ y: y + diffCoords.y,
+ data: {
+ ...diffCoords,
+ placement
+ }
+ };
+ }
+ };
+};
+
+/**
+ * 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 crossAxis = getSideAxis(getSide(placement));
+ const mainAxis = getOppositeAxis(crossAxis);
+ 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 = clamp(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 = clamp(min, crossAxisCoord, max);
+ }
+ const limitedCoords = limiter.fn({
+ ...state,
+ [mainAxis]: mainAxisCoord,
+ [crossAxis]: crossAxisCoord
+ });
+ return {
+ ...limitedCoords,
+ data: {
+ x: limitedCoords.x - x,
+ y: limitedCoords.y - y,
+ enabled: {
+ [mainAxis]: checkMainAxis,
+ [crossAxis]: checkCrossAxis
+ }
+ }
+ };
+ }
+ };
+};
+/**
+ * Built-in `limiter` that will stop `shift()` at a certain point.
+ */
+const limitShift = function (options) {
+ if (options === void 0) {
+ options = {};
+ }
+ return {
+ options,
+ fn(state) {
+ const {
+ x,
+ y,
+ placement,
+ rects,
+ middlewareData
+ } = state;
+ const {
+ offset = 0,
+ mainAxis: checkMainAxis = true,
+ crossAxis: checkCrossAxis = true
+ } = evaluate(options, state);
+ const coords = {
+ x,
+ y
+ };
+ const crossAxis = getSideAxis(placement);
+ const mainAxis = getOppositeAxis(crossAxis);
+ let mainAxisCoord = coords[mainAxis];
+ let crossAxisCoord = coords[crossAxis];
+ const rawOffset = evaluate(offset, state);
+ const computedOffset = typeof rawOffset === 'number' ? {
+ mainAxis: rawOffset,
+ crossAxis: 0
+ } : {
+ mainAxis: 0,
+ crossAxis: 0,
+ ...rawOffset
+ };
+ if (checkMainAxis) {
+ const len = mainAxis === 'y' ? 'height' : 'width';
+ const limitMin = rects.reference[mainAxis] - rects.floating[len] + computedOffset.mainAxis;
+ const limitMax = rects.reference[mainAxis] + rects.reference[len] - computedOffset.mainAxis;
+ if (mainAxisCoord < limitMin) {
+ mainAxisCoord = limitMin;
+ } else if (mainAxisCoord > limitMax) {
+ mainAxisCoord = limitMax;
+ }
+ }
+ if (checkCrossAxis) {
+ var _middlewareData$offse, _middlewareData$offse2;
+ const len = mainAxis === 'y' ? 'width' : 'height';
+ const isOriginSide = ['top', 'left'].includes(getSide(placement));
+ const limitMin = rects.reference[crossAxis] - rects.floating[len] + (isOriginSide ? ((_middlewareData$offse = middlewareData.offset) == null ? void 0 : _middlewareData$offse[crossAxis]) || 0 : 0) + (isOriginSide ? 0 : computedOffset.crossAxis);
+ const limitMax = rects.reference[crossAxis] + rects.reference[len] + (isOriginSide ? 0 : ((_middlewareData$offse2 = middlewareData.offset) == null ? void 0 : _middlewareData$offse2[crossAxis]) || 0) - (isOriginSide ? computedOffset.crossAxis : 0);
+ if (crossAxisCoord < limitMin) {
+ crossAxisCoord = limitMin;
+ } else if (crossAxisCoord > limitMax) {
+ crossAxisCoord = limitMax;
+ }
+ }
+ return {
+ [mainAxis]: mainAxisCoord,
+ [crossAxis]: crossAxisCoord
+ };
+ }
+ };
+};
+
+/**
+ * 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 = function (options) {
+ if (options === void 0) {
+ options = {};
+ }
+ return {
+ name: 'size',
+ options,
+ async fn(state) {
+ var _state$middlewareData, _state$middlewareData2;
+ const {
+ placement,
+ rects,
+ platform,
+ elements
+ } = state;
+ const {
+ apply = () => {},
+ ...detectOverflowOptions
+ } = evaluate(options, state);
+ const overflow = await detectOverflow(state, detectOverflowOptions);
+ const side = getSide(placement);
+ const alignment = getAlignment(placement);
+ const isYAxis = getSideAxis(placement) === 'y';
+ const {
+ width,
+ height
+ } = rects.floating;
+ let heightSide;
+ let widthSide;
+ if (side === 'top' || side === 'bottom') {
+ heightSide = side;
+ widthSide = alignment === ((await (platform.isRTL == null ? void 0 : platform.isRTL(elements.floating))) ? 'start' : 'end') ? 'left' : 'right';
+ } else {
+ widthSide = side;
+ heightSide = alignment === 'end' ? 'top' : 'bottom';
+ }
+ const maximumClippingHeight = height - overflow.top - overflow.bottom;
+ const maximumClippingWidth = width - overflow.left - overflow.right;
+ const overflowAvailableHeight = min(height - overflow[heightSide], maximumClippingHeight);
+ const overflowAvailableWidth = min(width - overflow[widthSide], maximumClippingWidth);
+ const noShift = !state.middlewareData.shift;
+ let availableHeight = overflowAvailableHeight;
+ let availableWidth = overflowAvailableWidth;
+ if ((_state$middlewareData = state.middlewareData.shift) != null && _state$middlewareData.enabled.x) {
+ availableWidth = maximumClippingWidth;
+ }
+ if ((_state$middlewareData2 = state.middlewareData.shift) != null && _state$middlewareData2.enabled.y) {
+ availableHeight = maximumClippingHeight;
+ }
+ if (noShift && !alignment) {
+ const xMin = max(overflow.left, 0);
+ const xMax = max(overflow.right, 0);
+ const yMin = max(overflow.top, 0);
+ const yMax = max(overflow.bottom, 0);
+ if (isYAxis) {
+ availableWidth = width - 2 * (xMin !== 0 || xMax !== 0 ? xMin + xMax : max(overflow.left, overflow.right));
+ } else {
+ availableHeight = height - 2 * (yMin !== 0 || yMax !== 0 ? yMin + yMax : max(overflow.top, overflow.bottom));
+ }
+ }
+ await apply({
+ ...state,
+ availableWidth,
+ availableHeight
+ });
+ const nextDimensions = await platform.getDimensions(elements.floating);
+ if (width !== nextDimensions.width || height !== nextDimensions.height) {
+ return {
+ reset: {
+ rects: true
+ }
+ };
+ }
+ return {};
+ }
+ };
+};
+
+export { arrow, autoPlacement, computePosition, detectOverflow, flip, hide, inline, limitShift, offset, shift, size };