ngx-bootstrap
Version:
Angular Bootstrap
1,017 lines (974 loc) • 48.1 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('rxjs')) :
typeof define === 'function' && define.amd ? define('ngx-bootstrap/positioning', ['exports', '@angular/core', '@angular/common', 'rxjs'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory((global['ngx-bootstrap'] = global['ngx-bootstrap'] || {}, global['ngx-bootstrap'].positioning = {}), global.ng.core, global.ng.common, global.rxjs));
}(this, (function (exports, i0, common, rxjs) { 'use strict';
function getStyleComputedProperty(element, property) {
if (element.nodeType !== 1) {
return [];
}
// NOTE: 1 DOM access here
var window = element.ownerDocument.defaultView;
var css = window === null || window === void 0 ? void 0 : window.getComputedStyle(element, null);
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
return property ? css && css[property] : css;
}
var isBrowser = typeof window !== 'undefined' && typeof document !== 'undefined';
/**
* Determines if the browser is Internet Explorer
*/
// todo: valorkin fix and drop IE support :evil:
// eslint-disable-next-line @typescript-eslint/no-explicit-any
var isIE11 = isBrowser && !!(window.MSInputMethodContext && document.documentMode);
var isIE10 = isBrowser && !!(window.MSInputMethodContext && /MSIE 10/.test(navigator.userAgent));
function isIE(version) {
if (version === 11) {
return isIE11;
}
if (version === 10) {
return isIE10;
}
return isIE11 || isIE10;
}
/**
* Returns the offset parent of the given element
*/
function getOffsetParent(element) {
if (!element) {
return document.documentElement;
}
var noOffsetParent = isIE(10) ? document.body : null;
// NOTE: 1 DOM access here
var offsetParent = element === null || element === void 0 ? void 0 : element.offsetParent;
// Skip hidden elements which don't have an offsetParent
var sibling = void 0;
while (offsetParent === noOffsetParent
&& element.nextElementSibling
&& sibling !== element.nextElementSibling) {
// todo: valorkin fix
sibling = element.nextElementSibling;
offsetParent = sibling.offsetParent;
}
var nodeName = offsetParent && offsetParent.nodeName;
if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {
return sibling ? sibling.ownerDocument.documentElement : document.documentElement;
}
// .offsetParent will return the closest TH, TD or TABLE in case
if (offsetParent &&
['TH', 'TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 &&
getStyleComputedProperty(offsetParent, 'position') === 'static') {
return getOffsetParent(offsetParent);
}
return offsetParent;
}
// todo: valorkin fix
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function isOffsetContainer(element) {
var nodeName = element.nodeName;
if (nodeName === 'BODY') {
return false;
}
return (nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element);
}
/**
* Finds the root node (document, shadowDOM root) of the given element
*/
function getRoot(node) {
if (node.parentNode !== null) {
return getRoot(node.parentNode);
}
return node;
}
/**
* Finds the offset parent common to the two provided nodes
*/
function findCommonOffsetParent(element1, element2) {
// This check is needed to avoid errors in case one of the elements isn't defined for any reason
if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {
return document.documentElement;
}
// Here we make sure to give as "start" the element that comes first in the DOM
var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;
var start = order ? element1 : element2;
var end = order ? element2 : element1;
// Get common ancestor container
var range = document.createRange();
range.setStart(start, 0);
range.setEnd(end, 0);
// todo: valorkin fix
var commonAncestorContainer = range.commonAncestorContainer;
// Both nodes are inside #document
if ((element1 !== commonAncestorContainer &&
element2 !== commonAncestorContainer) ||
start.contains(end)) {
if (isOffsetContainer(commonAncestorContainer)) {
return commonAncestorContainer;
}
return getOffsetParent(commonAncestorContainer);
}
// one of the nodes is inside shadowDOM, find which one
var element1root = getRoot(element1);
if (element1root.host) {
return findCommonOffsetParent(element1root.host, element2);
}
else {
return findCommonOffsetParent(element1, getRoot(element2).host);
}
}
/**
* Finds the first parent of an element that has a transformed property defined
*/
function getFixedPositionOffsetParent(element) {
// This check is needed to avoid errors in case one of the elements isn't defined for any reason
if (!element || !element.parentElement || isIE()) {
return document.documentElement;
}
var el = element.parentElement;
while ((el === null || el === void 0 ? void 0 : el.parentElement) && getStyleComputedProperty(el, 'transform') === 'none') {
el = el.parentElement;
}
return el || document.documentElement;
}
/**
* Helper to detect borders of a given element
*/
function getBordersSize(styles, axis) {
var sideA = axis === 'x' ? 'Left' : 'Top';
var sideB = sideA === 'Left' ? 'Right' : 'Bottom';
return (parseFloat(styles["border" + sideA + "Width"]) +
parseFloat(styles["border" + sideB + "Width"]));
}
function getSize(axis, body, html, computedStyle) {
var _body = body;
var _html = html;
var _computedStyle = computedStyle;
return Math.max(_body["offset" + axis], _body["scroll" + axis], _html["client" + axis], _html["offset" + axis], _html["scroll" + axis], isIE(10)
? (parseInt(_html["offset" + axis], 10) +
parseInt(_computedStyle["margin" + (axis === 'Height' ? 'Top' : 'Left')], 10) +
parseInt(_computedStyle["margin" + (axis === 'Height' ? 'Bottom' : 'Right')], 10))
: 0);
}
function getWindowSizes(document) {
var body = document.body;
var html = document.documentElement;
var computedStyle = isIE(10) ? getComputedStyle(html) : void 0;
return {
height: getSize('Height', body, html, computedStyle),
width: getSize('Width', body, html, computedStyle)
};
}
/**
* Gets the scroll value of the given element in the given side (top and left)
*/
function getScroll(element, side) {
if (side === void 0) { side = 'top'; }
var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';
var nodeName = element.nodeName;
if (nodeName === 'BODY' || nodeName === 'HTML') {
var html = element.ownerDocument.documentElement;
var scrollingElement = element.ownerDocument.scrollingElement || html;
return scrollingElement[upperSide];
}
return element[upperSide];
}
function getClientRect(offsets) {
return Object.assign(Object.assign({}, offsets), { right: (offsets.left || 0) + offsets.width, bottom: (offsets.top || 0) + offsets.height });
}
/**
* Tells if a given input is a number
*/
function isNumeric(n) {
return n !== '' && !isNaN(parseFloat(n)) && isFinite(Number(n));
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function isNumber(value) {
return typeof value === 'number' || Object.prototype.toString.call(value) === '[object Number]';
}
/**
* Get bounding client rect of given element
*/
function getBoundingClientRect(element) {
var rect = element.getBoundingClientRect();
// IE10 10 FIX: Please, don't ask, the element isn't
// considered in DOM in some circumstances...
// This isn't reproducible in IE10 compatibility mode of IE11
try {
if (isIE(10)) {
var scrollTop = getScroll(element, 'top');
var scrollLeft = getScroll(element, 'left');
if (rect && isNumber(rect.top) && isNumber(rect.left) && isNumber(rect.bottom) && isNumber(rect.right)) {
rect.top += scrollTop;
rect.left += scrollLeft;
rect.bottom += scrollTop;
rect.right += scrollLeft;
}
}
}
catch (e) {
return rect;
}
if (!(rect && isNumber(rect.top) && isNumber(rect.left) && isNumber(rect.bottom) && isNumber(rect.right))) {
return rect;
}
var result = {
left: rect.left,
top: rect.top,
width: rect.right - rect.left,
height: rect.bottom - rect.top
};
// subtract scrollbar size from sizes
var sizes = element.nodeName === 'HTML' ? getWindowSizes(element.ownerDocument) : undefined;
var width = (sizes === null || sizes === void 0 ? void 0 : sizes.width) || element.clientWidth
|| isNumber(result.right) && isNumber(result.left) && result.right - result.left || 0;
var height = (sizes === null || sizes === void 0 ? void 0 : sizes.height) || element.clientHeight
|| isNumber(result.bottom) && isNumber(result.top) && result.bottom - result.top || 0;
var horizScrollbar = element.offsetWidth - width;
var vertScrollbar = element.offsetHeight - height;
// if an hypothetical scrollbar is detected, we must be sure it's not a `border`
// we make this check conditional for performance reasons
if (horizScrollbar || vertScrollbar) {
var styles = getStyleComputedProperty(element);
horizScrollbar -= getBordersSize(styles, 'x');
vertScrollbar -= getBordersSize(styles, 'y');
result.width -= horizScrollbar;
result.height -= vertScrollbar;
}
return getClientRect(result);
}
/**
* Returns the parentNode or the host of the element
*/
// todo: valorkin fix
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function getParentNode(element) {
if (element.nodeName === 'HTML') {
return element;
}
return element.parentNode || element.host;
}
/**
* Returns the scrolling parent of the given element
*/
// todo: valorkin fix
// eslint-disable-next-line @typescript-eslint/no-explicit-any
function getScrollParent(element) {
// Return body, `getScroll` will take care to get the correct `scrollTop` from it
if (!element) {
return document.body;
}
switch (element.nodeName) {
case 'HTML':
case 'BODY':
return element.ownerDocument.body;
case '#document':
return element.body;
default:
}
// Firefox want us to check `-x` and `-y` variations as well
var _a = getStyleComputedProperty(element), overflow = _a.overflow, overflowX = _a.overflowX, overflowY = _a.overflowY;
if (/(auto|scroll|overlay)/.test(String(overflow) + String(overflowY) + String(overflowX))) {
return element;
}
return getScrollParent(getParentNode(element));
}
/**
* Sum or subtract the element scroll values (left and top) from a given rect object
*/
function includeScroll(rect, element, subtract) {
if (subtract === void 0) { subtract = false; }
var scrollTop = getScroll(element, 'top');
var scrollLeft = getScroll(element, 'left');
var modifier = subtract ? -1 : 1;
if (isNumber(rect.top)) {
rect.top += scrollTop * modifier;
}
if (isNumber(rect.bottom)) {
rect.bottom += scrollTop * modifier;
}
if (isNumber(rect.left)) {
rect.left += scrollLeft * modifier;
}
if (isNumber(rect.right)) {
rect.right += scrollLeft * modifier;
}
return rect;
}
function getOffsetRectRelativeToArbitraryNode(children, parent, fixedPosition) {
if (fixedPosition === void 0) { fixedPosition = false; }
var _a, _b, _c, _d, _e, _f;
var isIE10 = isIE(10);
var isHTML = parent.nodeName === 'HTML';
var childrenRect = getBoundingClientRect(children);
var parentRect = getBoundingClientRect(parent);
var scrollParent = getScrollParent(children);
var styles = getStyleComputedProperty(parent);
var borderTopWidth = parseFloat(styles.borderTopWidth);
var borderLeftWidth = parseFloat(styles.borderLeftWidth);
// In cases where the parent is fixed, we must ignore negative scroll in offset calc
if (fixedPosition && isHTML) {
parentRect.top = Math.max((_a = parentRect.top) !== null && _a !== void 0 ? _a : 0, 0);
parentRect.left = Math.max((_b = parentRect.left) !== null && _b !== void 0 ? _b : 0, 0);
}
var offsets = getClientRect({
top: ((_c = childrenRect.top) !== null && _c !== void 0 ? _c : 0) - ((_d = parentRect.top) !== null && _d !== void 0 ? _d : 0) - borderTopWidth,
left: ((_e = childrenRect.left) !== null && _e !== void 0 ? _e : 0) - ((_f = parentRect.left) !== null && _f !== void 0 ? _f : 0) - borderLeftWidth,
width: childrenRect.width,
height: childrenRect.height
});
offsets.marginTop = 0;
offsets.marginLeft = 0;
// Subtract margins of documentElement in case it's being used as parent
// we do this only on HTML because it's the only element that behaves
// differently when margins are applied to it. The margins are included in
// the box of the documentElement, in the other cases not.
if (!isIE10 && isHTML) {
var marginTop = parseFloat(styles.marginTop);
var marginLeft = parseFloat(styles.marginLeft);
if (isNumber(offsets.top)) {
offsets.top -= borderTopWidth - marginTop;
}
if (isNumber(offsets.bottom)) {
offsets.bottom -= borderTopWidth - marginTop;
}
if (isNumber(offsets.left)) {
offsets.left -= borderLeftWidth - marginLeft;
}
if (isNumber(offsets.right)) {
offsets.right -= borderLeftWidth - marginLeft;
}
// Attach marginTop and marginLeft because in some circumstances we may need them
offsets.marginTop = marginTop;
offsets.marginLeft = marginLeft;
}
if (isIE10 && !fixedPosition
? parent.contains(scrollParent)
: parent === scrollParent && scrollParent.nodeName !== 'BODY') {
offsets = includeScroll(offsets, parent);
}
return offsets;
}
function getViewportOffsetRectRelativeToArtbitraryNode(element, excludeScroll) {
if (excludeScroll === void 0) { excludeScroll = false; }
var html = element.ownerDocument.documentElement;
var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);
var width = Math.max(html.clientWidth, window.innerWidth || 0);
var height = Math.max(html.clientHeight, window.innerHeight || 0);
var scrollTop = !excludeScroll ? getScroll(html) : 0;
var scrollLeft = !excludeScroll ? getScroll(html, 'left') : 0;
var offset = {
top: scrollTop - Number(relativeOffset === null || relativeOffset === void 0 ? void 0 : relativeOffset.top) + Number(relativeOffset === null || relativeOffset === void 0 ? void 0 : relativeOffset.marginTop),
left: scrollLeft - Number(relativeOffset === null || relativeOffset === void 0 ? void 0 : relativeOffset.left) + Number(relativeOffset === null || relativeOffset === void 0 ? void 0 : relativeOffset.marginLeft),
width: width,
height: height
};
return getClientRect(offset);
}
/**
* Check if the given element is fixed or is inside a fixed parent
*/
function isFixed(element) {
var nodeName = element.nodeName;
if (nodeName === 'BODY' || nodeName === 'HTML') {
return false;
}
if (getStyleComputedProperty(element, 'position') === 'fixed') {
return true;
}
return isFixed(getParentNode(element));
}
function getBoundaries(target, host, padding, boundariesElement, fixedPosition) {
if (padding === void 0) { padding = 0; }
if (fixedPosition === void 0) { fixedPosition = false; }
// NOTE: 1 DOM access here
var boundaries = { top: 0, left: 0 };
var offsetParent = fixedPosition ? getFixedPositionOffsetParent(target) : findCommonOffsetParent(target, host);
// Handle viewport case
if (boundariesElement === 'viewport') {
boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent, fixedPosition);
}
else {
// Handle other cases based on DOM element used as boundaries
var boundariesNode = void 0;
if (boundariesElement === 'scrollParent') {
boundariesNode = getScrollParent(getParentNode(host));
if (boundariesNode.nodeName === 'BODY') {
boundariesNode = target.ownerDocument.documentElement;
}
}
else if (boundariesElement === 'window') {
boundariesNode = target.ownerDocument.documentElement;
}
else {
boundariesNode = boundariesElement;
}
var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent, fixedPosition);
// In case of HTML, we need a different computation
if (offsets && boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {
var _a = getWindowSizes(target.ownerDocument), height = _a.height, width = _a.width;
if (isNumber(boundaries.top) && isNumber(offsets.top) && isNumber(offsets.marginTop)) {
boundaries.top += offsets.top - offsets.marginTop;
}
if (isNumber(boundaries.top)) {
boundaries.bottom = Number(height) + Number(offsets.top);
}
if (isNumber(boundaries.left) && isNumber(offsets.left) && isNumber(offsets.marginLeft)) {
boundaries.left += offsets.left - offsets.marginLeft;
}
if (isNumber(boundaries.top)) {
boundaries.right = Number(width) + Number(offsets.left);
}
}
else if (offsets) {
// for all the other DOM elements, this one is good
boundaries = offsets;
}
}
// Add paddings
if (isNumber(boundaries.left)) {
boundaries.left += padding;
}
if (isNumber(boundaries.top)) {
boundaries.top += padding;
}
if (isNumber(boundaries.right)) {
boundaries.right -= padding;
}
if (isNumber(boundaries.bottom)) {
boundaries.bottom -= padding;
}
return boundaries;
}
/**
* Utility used to transform the `auto` placement to the placement with more
* available space.
*/
function getArea(_e) {
var width = _e.width, height = _e.height;
return width * height;
}
function computeAutoPlacement(placement, refRect, target, host, allowedPositions, boundariesElement, padding) {
if (allowedPositions === void 0) { allowedPositions = ['top', 'bottom', 'right', 'left']; }
if (boundariesElement === void 0) { boundariesElement = 'viewport'; }
if (padding === void 0) { padding = 0; }
var _a, _b, _c, _d;
if (placement.indexOf('auto') === -1) {
return placement;
}
var boundaries = getBoundaries(target, host, padding, boundariesElement);
var rects = {
top: {
width: (_a = boundaries.width) !== null && _a !== void 0 ? _a : 0,
height: refRect.top && boundaries.top ? refRect.top - boundaries.top : 0
},
right: {
width: boundaries.right && refRect.right ? boundaries.right - refRect.right : 0,
height: (_b = boundaries.height) !== null && _b !== void 0 ? _b : 0
},
bottom: {
width: (_c = boundaries.width) !== null && _c !== void 0 ? _c : 0,
height: boundaries.bottom && refRect.bottom ? boundaries.bottom - refRect.bottom : 0
},
left: {
width: refRect.left && boundaries.left ? refRect.left - boundaries.left : 0,
height: (_d = boundaries.height) !== null && _d !== void 0 ? _d : 0
}
};
var sortedAreas = Object.keys(rects)
.map(function (key) { return (Object.assign(Object.assign({ key: key }, rects[key]), { area: getArea(rects[key]) })); })
.sort(function (a, b) { return b.area - a.area; });
var filteredAreas = sortedAreas.filter(function (_e) {
var width = _e.width, height = _e.height;
return width >= target.clientWidth
&& height >= target.clientHeight;
});
filteredAreas = filteredAreas.filter(function (position) {
return allowedPositions
.some(function (allowedPosition) {
return allowedPosition === position.key;
});
});
var computedPlacement = filteredAreas.length > 0
? filteredAreas[0].key
: sortedAreas[0].key;
var variation = placement.split(' ')[1];
// for tooltip on auto position
target.className = target.className.replace(/bs-tooltip-auto/g, "bs-tooltip-" + computedPlacement);
return computedPlacement + (variation ? "-" + variation : '');
}
function getOffsets(data) {
var _a, _b, _c, _d;
return {
width: data.offsets.target.width,
height: data.offsets.target.height,
left: Math.floor((_a = data.offsets.target.left) !== null && _a !== void 0 ? _a : 0),
top: Math.round((_b = data.offsets.target.top) !== null && _b !== void 0 ? _b : 0),
bottom: Math.round((_c = data.offsets.target.bottom) !== null && _c !== void 0 ? _c : 0),
right: Math.floor((_d = data.offsets.target.right) !== null && _d !== void 0 ? _d : 0)
};
}
/**
* Get the opposite placement of the given one
*/
function getOppositePlacement(placement) {
var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };
return placement.replace(/left|right|bottom|top/g, function (matched) { return hash[matched]; });
}
/**
* Get the opposite placement variation of the given one
*/
function getOppositeVariation(variation) {
if (variation === 'right') {
return 'left';
}
else if (variation === 'left') {
return 'right';
}
return variation;
}
var parse = function (value, def) {
if (def === void 0) { def = 0; }
return value ? parseFloat(value) : def;
};
var ɵ0 = parse;
function getOuterSizes(element) {
var window = element.ownerDocument.defaultView;
var styles = window === null || window === void 0 ? void 0 : window.getComputedStyle(element);
var x = parse(styles === null || styles === void 0 ? void 0 : styles.marginTop) + parse(styles === null || styles === void 0 ? void 0 : styles.marginBottom);
var y = parse(styles === null || styles === void 0 ? void 0 : styles.marginLeft) + parse(styles === null || styles === void 0 ? void 0 : styles.marginRight);
return {
width: Number(element.offsetWidth) + y,
height: Number(element.offsetHeight) + x
};
}
/**
* Get offsets to the reference element
*/
function getReferenceOffsets(target, host, fixedPosition) {
var commonOffsetParent = fixedPosition
? getFixedPositionOffsetParent(target)
: findCommonOffsetParent(target, host);
return getOffsetRectRelativeToArbitraryNode(host, commonOffsetParent, fixedPosition);
}
/**
* Get offsets to the target
*/
function getTargetOffsets(target, hostOffsets, position) {
var _a, _b, _c;
var placement = position.split(' ')[0];
// Get target node sizes
var targetRect = getOuterSizes(target);
// Add position, width and height to our offsets object
var targetOffsets = {
width: targetRect.width,
height: targetRect.height
};
// depending by the target placement we have to compute its offsets slightly differently
var isHoriz = ['right', 'left'].indexOf(placement) !== -1;
var mainSide = isHoriz ? 'top' : 'left';
var secondarySide = isHoriz ? 'left' : 'top';
var measurement = isHoriz ? 'height' : 'width';
var secondaryMeasurement = !isHoriz ? 'height' : 'width';
targetOffsets[mainSide] =
((_a = hostOffsets[mainSide]) !== null && _a !== void 0 ? _a : 0) +
hostOffsets[measurement] / 2 -
targetRect[measurement] / 2;
targetOffsets[secondarySide] = placement === secondarySide
? ((_b = hostOffsets[secondarySide]) !== null && _b !== void 0 ? _b : 0) - targetRect[secondaryMeasurement]
: (_c = hostOffsets[getOppositePlacement(secondarySide)]) !== null && _c !== void 0 ? _c : 0;
return targetOffsets;
}
function isModifierEnabled(options, modifierName) {
var _a;
return !!((_a = options.modifiers[modifierName]) === null || _a === void 0 ? void 0 : _a.enabled);
}
function updateContainerClass(data, renderer) {
var target = data.instance.target;
var containerClass = target.className;
if (data.placementAuto) {
containerClass = containerClass.replace(/bs-popover-auto/g, "bs-popover-" + data.placement);
containerClass = containerClass.replace(/bs-tooltip-auto/g, "bs-tooltip-" + data.placement);
containerClass = containerClass.replace(/\sauto/g, " " + data.placement);
if (containerClass.indexOf('popover') !== -1 && containerClass.indexOf('popover-auto') === -1) {
containerClass += ' popover-auto';
}
if (containerClass.indexOf('tooltip') !== -1 && containerClass.indexOf('tooltip-auto') === -1) {
containerClass += ' tooltip-auto';
}
}
containerClass = containerClass.replace(/left|right|top|bottom/g, "" + data.placement.split(' ')[0]);
if (renderer) {
renderer.setAttribute(target, 'class', containerClass);
return;
}
target.className = containerClass;
}
function setStyles(element, styles, renderer) {
if (!element || !styles) {
return;
}
Object.keys(styles).forEach(function (prop) {
var unit = '';
// add unit if the value is numeric and is one of the following
if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 &&
isNumeric(styles[prop])) {
unit = 'px';
}
if (renderer) {
renderer.setStyle(element, prop, "" + String(styles[prop]) + unit);
return;
}
// eslint-disable-next-line @typescript-eslint/no-explicit-any
element.style[prop] = String(styles[prop]) + unit;
});
}
function arrow(data) {
var _g;
var _a, _b, _c, _d, _e, _f;
var targetOffsets = data.offsets.target;
// if arrowElement is a string, suppose it's a CSS selector
var arrowElement = data.instance.target.querySelector('.arrow');
// if arrowElement is not found, don't run the modifier
if (!arrowElement) {
return data;
}
var isVertical = ['left', 'right'].indexOf(data.placement.split(' ')[0]) !== -1;
var len = isVertical ? 'height' : 'width';
var sideCapitalized = isVertical ? 'Top' : 'Left';
var side = sideCapitalized.toLowerCase();
var altSide = isVertical ? 'left' : 'top';
var opSide = isVertical ? 'bottom' : 'right';
var arrowElementSize = getOuterSizes(arrowElement)[len];
var placementVariation = data.placement.split(' ')[1];
// top/left side
if (((_a = data.offsets.host[opSide]) !== null && _a !== void 0 ? _a : 0) - arrowElementSize < ((_b = targetOffsets[side]) !== null && _b !== void 0 ? _b : 0)) {
(targetOffsets)[side] -=
((_c = targetOffsets[side]) !== null && _c !== void 0 ? _c : 0) - (((_d = data.offsets.host[opSide]) !== null && _d !== void 0 ? _d : 0) - arrowElementSize);
}
// bottom/right side
if (Number((data).offsets.host[side]) + Number(arrowElementSize) > ((_e = targetOffsets[opSide]) !== null && _e !== void 0 ? _e : 0)) {
(targetOffsets)[side] +=
Number((data).offsets.host[side]) + Number(arrowElementSize) - Number((targetOffsets)[opSide]);
}
targetOffsets = getClientRect(targetOffsets);
// Compute the sideValue using the updated target offsets
// take target margin in account because we don't have this info available
var css = getStyleComputedProperty(data.instance.target);
var targetMarginSide = parseFloat(css["margin" + sideCapitalized]);
var targetBorderSide = parseFloat(css["border" + sideCapitalized + "Width"]);
// compute center of the target
var center;
if (!placementVariation) {
center = Number((data).offsets.host[side]) + Number(data.offsets.host[len] / 2 - arrowElementSize / 2);
}
else {
var targetBorderRadius = parseFloat(css.borderRadius);
var targetSideArrowOffset = Number(targetMarginSide + targetBorderSide + targetBorderRadius);
center = side === placementVariation ?
Number((data).offsets.host[side]) + targetSideArrowOffset :
Number((data).offsets.host[side]) + Number(data.offsets.host[len] - targetSideArrowOffset);
}
var sideValue = center - ((_f = targetOffsets[side]) !== null && _f !== void 0 ? _f : 0) - targetMarginSide - targetBorderSide;
// prevent arrowElement from being placed not contiguously to its target
sideValue = Math.max(Math.min(targetOffsets[len] - arrowElementSize, sideValue), 0);
data.offsets.arrow = (_g = {},
_g[side] = Math.round(sideValue),
_g[altSide] = '' // make sure to unset any eventual altSide value from the DOM node
,
_g);
data.instance.arrow = arrowElement;
return data;
}
function flip(data) {
data.offsets.target = getClientRect(data.offsets.target);
if (!isModifierEnabled(data.options, 'flip')) {
data.offsets.target = Object.assign(Object.assign({}, data.offsets.target), getTargetOffsets(data.instance.target, data.offsets.host, data.placement));
return data;
}
var boundaries = getBoundaries(data.instance.target, data.instance.host, 0, // padding
'viewport', false // positionFixed
);
var placement = data.placement.split(' ')[0];
var variation = data.placement.split(' ')[1] || '';
var offsetsHost = data.offsets.host;
var target = data.instance.target;
var host = data.instance.host;
var adaptivePosition = computeAutoPlacement('auto', offsetsHost, target, host, data.options.allowedPositions);
var flipOrder = [placement, adaptivePosition];
flipOrder.forEach(function (step, index) {
var _a, _b, _c, _d, _e, _f, _g, _h, _j, _k, _l, _m, _o, _p, _q, _r;
if (placement !== step || flipOrder.length === index + 1) {
return;
}
placement = data.placement.split(' ')[0];
// using floor because the host offsets may contain decimals we are not going to consider here
var overlapsRef = (placement === 'left' &&
Math.floor((_a = data.offsets.target.right) !== null && _a !== void 0 ? _a : 0) > Math.floor((_b = data.offsets.host.left) !== null && _b !== void 0 ? _b : 0)) ||
(placement === 'right' &&
Math.floor((_c = data.offsets.target.left) !== null && _c !== void 0 ? _c : 0) < Math.floor((_d = data.offsets.host.right) !== null && _d !== void 0 ? _d : 0)) ||
(placement === 'top' &&
Math.floor((_e = data.offsets.target.bottom) !== null && _e !== void 0 ? _e : 0) > Math.floor((_f = data.offsets.host.top) !== null && _f !== void 0 ? _f : 0)) ||
(placement === 'bottom' &&
Math.floor((_g = data.offsets.target.top) !== null && _g !== void 0 ? _g : 0) < Math.floor((_h = data.offsets.host.bottom) !== null && _h !== void 0 ? _h : 0));
var overflowsLeft = Math.floor((_j = data.offsets.target.left) !== null && _j !== void 0 ? _j : 0) < Math.floor((_k = boundaries.left) !== null && _k !== void 0 ? _k : 0);
var overflowsRight = Math.floor((_l = data.offsets.target.right) !== null && _l !== void 0 ? _l : 0) > Math.floor((_m = boundaries.right) !== null && _m !== void 0 ? _m : 0);
var overflowsTop = Math.floor((_o = data.offsets.target.top) !== null && _o !== void 0 ? _o : 0) < Math.floor((_p = boundaries.top) !== null && _p !== void 0 ? _p : 0);
var overflowsBottom = Math.floor((_q = data.offsets.target.bottom) !== null && _q !== void 0 ? _q : 0) > Math.floor((_r = boundaries.bottom) !== null && _r !== void 0 ? _r : 0);
var overflowsBoundaries = (placement === 'left' && overflowsLeft) ||
(placement === 'right' && overflowsRight) ||
(placement === 'top' && overflowsTop) ||
(placement === 'bottom' && overflowsBottom);
// flip the variation if required
var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;
var flippedVariation = ((isVertical && variation === 'left' && overflowsLeft) ||
(isVertical && variation === 'right' && overflowsRight) ||
(!isVertical && variation === 'left' && overflowsTop) ||
(!isVertical && variation === 'right' && overflowsBottom));
if (overlapsRef || overflowsBoundaries || flippedVariation) {
if (overlapsRef || overflowsBoundaries) {
placement = flipOrder[index + 1];
}
if (flippedVariation) {
variation = getOppositeVariation(variation);
}
data.placement = placement + (variation ? " " + variation : '');
data.offsets.target = Object.assign(Object.assign({}, data.offsets.target), getTargetOffsets(data.instance.target, data.offsets.host, data.placement));
}
});
return data;
}
function initData(targetElement, hostElement, position, options) {
if (!targetElement || !hostElement) {
return;
}
var hostElPosition = getReferenceOffsets(targetElement, hostElement);
if (!position.match(/^(auto)*\s*(left|right|top|bottom)*$/)
&& !position.match(/^(left|right|top|bottom)*(?: (left|right|top|bottom))?\s*(start|end)*$/)) {
position = 'auto';
}
var placementAuto = !!position.match(/auto/g);
// support old placements 'auto left|right|top|bottom'
var placement = position.match(/auto\s(left|right|top|bottom)/)
? position.split(' ')[1] || 'auto'
: position;
// Normalize placements that have identical main placement and variation ("right right" => "right").
var matches = placement.match(/^(left|right|top|bottom)* ?(?!\1)(left|right|top|bottom)?/);
if (matches) {
placement = matches[1] + (matches[2] ? " " + matches[2] : '');
}
// "left right", "top bottom" etc. placements also considered incorrect.
if (['left right', 'right left', 'top bottom', 'bottom top'].indexOf(placement) !== -1) {
placement = 'auto';
}
var targetOffset = getTargetOffsets(targetElement, hostElPosition, placement);
placement = computeAutoPlacement(placement, hostElPosition, targetElement, hostElement, options ? options.allowedPositions : undefined);
return {
options: options || { modifiers: {} },
instance: {
target: targetElement,
host: hostElement,
arrow: void 0
},
offsets: {
target: targetOffset,
host: hostElPosition,
arrow: void 0
},
positionFixed: false,
placement: placement,
placementAuto: placementAuto
};
}
function preventOverflow(data) {
var _a;
if (!isModifierEnabled(data.options, 'preventOverflow')) {
return data;
}
// NOTE: DOM access here
// resets the target Offsets's position so that the document size can be calculated excluding
// the size of the targetOffsets element itself
var transformProp = 'transform';
var targetStyles = data.instance.target.style; // assignment to help minification
var _e = targetStyles, top = _e.top, left = _e.left, _f = transformProp, transform = _e[_f];
targetStyles.top = '';
targetStyles.left = '';
targetStyles[transformProp] = '';
var boundaries = getBoundaries(data.instance.target, data.instance.host, 0, // padding
((_a = data.options.modifiers.preventOverflow) === null || _a === void 0 ? void 0 : _a.boundariesElement) || 'scrollParent', false // positionFixed
);
// NOTE: DOM access here
// restores the original style properties after the offsets have been computed
targetStyles.top = top;
targetStyles.left = left;
targetStyles[transformProp] = transform;
var order = ['left', 'right', 'top', 'bottom'];
var check = {
primary: function (placement) {
var _e;
var _a, _b, _c, _d;
var value = data.offsets.target[placement];
// options.escapeWithReference
if (((_a = data.offsets.target[placement]) !== null && _a !== void 0 ? _a : 0) < ((_b = boundaries[placement]) !== null && _b !== void 0 ? _b : 0)) {
value = Math.max((_c = data.offsets.target[placement]) !== null && _c !== void 0 ? _c : 0, (_d = boundaries[placement]) !== null && _d !== void 0 ? _d : 0);
}
return _e = {}, _e[placement] = value, _e;
},
secondary: function (placement) {
var _e;
var _a, _b, _c, _d;
var mainSide = placement === 'right' ? 'left' : 'top';
var value = data.offsets.target[mainSide];
// escapeWithReference
if (((_a = data.offsets.target[placement]) !== null && _a !== void 0 ? _a : 0) < ((_b = boundaries[placement]) !== null && _b !== void 0 ? _b : 0)) {
value = Math.min((_c = data.offsets.target[mainSide]) !== null && _c !== void 0 ? _c : 0, ((_d = boundaries[placement]) !== null && _d !== void 0 ? _d : 0) -
(placement === 'right' ? data.offsets.target.width : data.offsets.target.height));
}
return _e = {}, _e[mainSide] = value, _e;
}
};
order.forEach(function (placement) {
var side = ['left', 'top'].indexOf(placement) !== -1 ? check['primary'] : check['secondary'];
data.offsets.target = Object.assign(Object.assign({}, data.offsets.target), side(placement));
});
return data;
}
function shift(data) {
var _b, _c, _d;
var _a;
var placement = data.placement;
var basePlacement = placement.split(' ')[0];
var shiftVariation = placement.split(' ')[1];
if (shiftVariation) {
var _e = data.offsets, host = _e.host, target = _e.target;
var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;
var side = isVertical ? 'left' : 'top';
var measurement = isVertical ? 'width' : 'height';
var shiftOffsets = {
start: (_b = {}, _b[side] = host[side], _b),
end: (_c = {},
_c[side] = ((_a = host[side]) !== null && _a !== void 0 ? _a : 0) + host[measurement] - target[measurement],
_c)
};
data.offsets.target = Object.assign(Object.assign({}, target), (_d = {},
_d[side] = (side === shiftVariation ? shiftOffsets.start[side] : shiftOffsets.end[side]),
_d));
}
return data;
}
var Positioning = /** @class */ (function () {
function Positioning() {
}
Positioning.prototype.position = function (hostElement, targetElement /*, round = true*/) {
return this.offset(hostElement, targetElement /*, false*/);
};
Positioning.prototype.offset = function (hostElement, targetElement /*, round = true*/) {
return getReferenceOffsets(targetElement, hostElement);
};
Positioning.prototype.positionElements = function (hostElement, targetElement, position, appendToBody, options) {
var chainOfModifiers = [flip, shift, preventOverflow, arrow];
var data = initData(targetElement, hostElement, position, options);
if (!data) {
return;
}
return chainOfModifiers.reduce(function (modifiedData, modifier) { return modifier(modifiedData); }, data);
};
return Positioning;
}());
var positionService = new Positioning();
function positionElements(hostElement, targetElement, placement, appendToBody, options, renderer) {
var data = positionService.positionElements(hostElement, targetElement, placement, appendToBody, options);
if (!data) {
return;
}
var offsets = getOffsets(data);
setStyles(targetElement, {
'will-change': 'transform',
top: '0px',
left: '0px',
transform: "translate3d(" + offsets.left + "px, " + offsets.top + "px, 0px)"
}, renderer);
if (data.instance.arrow) {
setStyles(data.instance.arrow, data.offsets.arrow, renderer);
}
updateContainerClass(data, renderer);
}
var PositioningService = /** @class */ (function () {
function PositioningService(ngZone, rendererFactory, platformId) {
var _this = this;
this.update$$ = new rxjs.Subject();
this.positionElements = new Map();
this.isDisabled = false;
if (common.isPlatformBrowser(platformId)) {
ngZone.runOutsideAngular(function () {
_this.triggerEvent$ = rxjs.merge(rxjs.fromEvent(window, 'scroll', { passive: true }), rxjs.fromEvent(window, 'resize', { passive: true }), rxjs.of(0, rxjs.animationFrameScheduler), _this.update$$);
_this.triggerEvent$.subscribe(function () {
if (_this.isDisabled) {
return;
}
_this.positionElements
// eslint-disable-next-line @typescript-eslint/no-explicit-any
.forEach(function (positionElement) {
positionElements(_getHtmlElement(positionElement.target), _getHtmlElement(positionElement.element), positionElement.attachment, positionElement.appendToBody, _this.options, rendererFactory.createRenderer(null, null));
});
});
});
}
}
PositioningService.prototype.position = function (options) {
this.addPositionElement(options);
};
Object.defineProperty(PositioningService.prototype, "event$", {
get: function () {
return this.triggerEvent$;
},
enumerable: false,
configurable: true
});
PositioningService.prototype.disable = function () {
this.isDisabled = true;
};
PositioningService.prototype.enable = function () {
this.isDisabled = false;
};
PositioningService.prototype.addPositionElement = function (options) {
this.positionElements.set(_getHtmlElement(options.element), options);
};
PositioningService.prototype.calcPosition = function () {
this.update$$.next();
};
PositioningService.prototype.deletePositionElement = function (elRef) {
this.positionElements.delete(_getHtmlElement(elRef));
};
PositioningService.prototype.setOptions = function (options) {
this.options = options;
};
return PositioningService;
}());
PositioningService.ɵprov = i0.ɵɵdefineInjectable({ factory: function PositioningService_Factory() { return new PositioningService(i0.ɵɵinject(i0.NgZone), i0.ɵɵinject(i0.RendererFactory2), i0.ɵɵinject(i0.PLATFORM_ID)); }, token: PositioningService, providedIn: "root" });
PositioningService.decorators = [
{ type: i0.Injectable, args: [{ providedIn: 'root' },] }
];
PositioningService.ctorParameters = function () { return [
{ type: i0.NgZone },
{ type: i0.RendererFactory2 },
{ type: Number, decorators: [{ type: i0.Inject, args: [i0.PLATFORM_ID,] }] }
]; };
function _getHtmlElement(element) {
// it means that we got a selector
if (typeof element === 'string') {
return document.querySelector(element);
}
if (element instanceof i0.ElementRef) {
return element.nativeElement;
}
return element !== null && element !== void 0 ? element : null;
}
/**
* Generated bundle index. Do not edit.
*/
exports.Positioning = Positioning;
exports.PositioningService = PositioningService;
exports.positionElements = positionElements;
Object.defineProperty(exports, '__esModule', { value: true });
})));
//# sourceMappingURL=ngx-bootstrap-positioning.umd.js.map