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/*!
* Bootstrap offcanvas.js v5.1.0 (https://getbootstrap.com/)
* Copyright 2011-2021 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./dom/selector-engine.js'), require('./dom/manipulator.js'), require('./dom/event-handler.js'), require('./base-component.js')) :
typeof define === 'function' && define.amd ? define(['./dom/selector-engine', './dom/manipulator', './dom/event-handler', './base-component'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Offcanvas = factory(global.SelectorEngine, global.Manipulator, global.EventHandler, global.Base));
}(this, (function (SelectorEngine, Manipulator, EventHandler, BaseComponent) { 'use strict';
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var SelectorEngine__default = /*#__PURE__*/_interopDefaultLegacy(SelectorEngine);
var Manipulator__default = /*#__PURE__*/_interopDefaultLegacy(Manipulator);
var EventHandler__default = /*#__PURE__*/_interopDefaultLegacy(EventHandler);
var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.1.0): util/index.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
const MILLISECONDS_MULTIPLIER = 1000;
const TRANSITION_END = 'transitionend'; // Shoutout AngusCroll (https://goo.gl/pxwQGp)
const toType = obj => {
if (obj === null || obj === undefined) {
return `${obj}`;
}
return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase();
};
const getSelector = element => {
let selector = element.getAttribute('data-bs-target');
if (!selector || selector === '#') {
let hrefAttr = element.getAttribute('href'); // The only valid content that could double as a selector are IDs or classes,
// so everything starting with `#` or `.`. If a "real" URL is used as the selector,
// `document.querySelector` will rightfully complain it is invalid.
// See https://github.com/twbs/bootstrap/issues/32273
if (!hrefAttr || !hrefAttr.includes('#') && !hrefAttr.startsWith('.')) {
return null;
} // Just in case some CMS puts out a full URL with the anchor appended
if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
hrefAttr = `#${hrefAttr.split('#')[1]}`;
}
selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null;
}
return selector;
};
const getElementFromSelector = element => {
const selector = getSelector(element);
return selector ? document.querySelector(selector) : null;
};
const getTransitionDurationFromElement = element => {
if (!element) {
return 0;
} // Get transition-duration of the element
let {
transitionDuration,
transitionDelay
} = window.getComputedStyle(element);
const floatTransitionDuration = Number.parseFloat(transitionDuration);
const floatTransitionDelay = Number.parseFloat(transitionDelay); // Return 0 if element or transition duration is not found
if (!floatTransitionDuration && !floatTransitionDelay) {
return 0;
} // If multiple durations are defined, take the first
transitionDuration = transitionDuration.split(',')[0];
transitionDelay = transitionDelay.split(',')[0];
return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER;
};
const triggerTransitionEnd = element => {
element.dispatchEvent(new Event(TRANSITION_END));
};
const isElement = obj => {
if (!obj || typeof obj !== 'object') {
return false;
}
if (typeof obj.jquery !== 'undefined') {
obj = obj[0];
}
return typeof obj.nodeType !== 'undefined';
};
const getElement = obj => {
if (isElement(obj)) {
// it's a jQuery object or a node element
return obj.jquery ? obj[0] : obj;
}
if (typeof obj === 'string' && obj.length > 0) {
return document.querySelector(obj);
}
return null;
};
const typeCheckConfig = (componentName, config, configTypes) => {
Object.keys(configTypes).forEach(property => {
const expectedTypes = configTypes[property];
const value = config[property];
const valueType = value && isElement(value) ? 'element' : toType(value);
if (!new RegExp(expectedTypes).test(valueType)) {
throw new TypeError(`${componentName.toUpperCase()}: Option "${property}" provided type "${valueType}" but expected type "${expectedTypes}".`);
}
});
};
const isVisible = element => {
if (!isElement(element) || element.getClientRects().length === 0) {
return false;
}
return getComputedStyle(element).getPropertyValue('visibility') === 'visible';
};
const isDisabled = element => {
if (!element || element.nodeType !== Node.ELEMENT_NODE) {
return true;
}
if (element.classList.contains('disabled')) {
return true;
}
if (typeof element.disabled !== 'undefined') {
return element.disabled;
}
return element.hasAttribute('disabled') && element.getAttribute('disabled') !== 'false';
};
/**
* Trick to restart an element's animation
*
* @param {HTMLElement} element
* @return void
*
* @see https://www.charistheo.io/blog/2021/02/restart-a-css-animation-with-javascript/#restarting-a-css-animation
*/
const reflow = element => {
// eslint-disable-next-line no-unused-expressions
element.offsetHeight;
};
const getjQuery = () => {
const {
jQuery
} = window;
if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
return jQuery;
}
return null;
};
const DOMContentLoadedCallbacks = [];
const onDOMContentLoaded = callback => {
if (document.readyState === 'loading') {
// add listener on the first call when the document is in loading state
if (!DOMContentLoadedCallbacks.length) {
document.addEventListener('DOMContentLoaded', () => {
DOMContentLoadedCallbacks.forEach(callback => callback());
});
}
DOMContentLoadedCallbacks.push(callback);
} else {
callback();
}
};
const defineJQueryPlugin = plugin => {
onDOMContentLoaded(() => {
const $ = getjQuery();
/* istanbul ignore if */
if ($) {
const name = plugin.NAME;
const JQUERY_NO_CONFLICT = $.fn[name];
$.fn[name] = plugin.jQueryInterface;
$.fn[name].Constructor = plugin;
$.fn[name].noConflict = () => {
$.fn[name] = JQUERY_NO_CONFLICT;
return plugin.jQueryInterface;
};
}
});
};
const execute = callback => {
if (typeof callback === 'function') {
callback();
}
};
const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {
if (!waitForTransition) {
execute(callback);
return;
}
const durationPadding = 5;
const emulatedDuration = getTransitionDurationFromElement(transitionElement) + durationPadding;
let called = false;
const handler = ({
target
}) => {
if (target !== transitionElement) {
return;
}
called = true;
transitionElement.removeEventListener(TRANSITION_END, handler);
execute(callback);
};
transitionElement.addEventListener(TRANSITION_END, handler);
setTimeout(() => {
if (!called) {
triggerTransitionEnd(transitionElement);
}
}, emulatedDuration);
};
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.1.0): util/scrollBar.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top';
const SELECTOR_STICKY_CONTENT = '.sticky-top';
class ScrollBarHelper {
constructor() {
this._element = document.body;
}
getWidth() {
// https://developer.mozilla.org/en-US/docs/Web/API/Window/innerWidth#usage_notes
const documentWidth = document.documentElement.clientWidth;
return Math.abs(window.innerWidth - documentWidth);
}
hide() {
const width = this.getWidth();
this._disableOverFlow(); // give padding to element to balance the hidden scrollbar width
this._setElementAttributes(this._element, 'paddingRight', calculatedValue => calculatedValue + width); // trick: We adjust positive paddingRight and negative marginRight to sticky-top elements to keep showing fullwidth
this._setElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight', calculatedValue => calculatedValue + width);
this._setElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight', calculatedValue => calculatedValue - width);
}
_disableOverFlow() {
this._saveInitialAttribute(this._element, 'overflow');
this._element.style.overflow = 'hidden';
}
_setElementAttributes(selector, styleProp, callback) {
const scrollbarWidth = this.getWidth();
const manipulationCallBack = element => {
if (element !== this._element && window.innerWidth > element.clientWidth + scrollbarWidth) {
return;
}
this._saveInitialAttribute(element, styleProp);
const calculatedValue = window.getComputedStyle(element)[styleProp];
element.style[styleProp] = `${callback(Number.parseFloat(calculatedValue))}px`;
};
this._applyManipulationCallback(selector, manipulationCallBack);
}
reset() {
this._resetElementAttributes(this._element, 'overflow');
this._resetElementAttributes(this._element, 'paddingRight');
this._resetElementAttributes(SELECTOR_FIXED_CONTENT, 'paddingRight');
this._resetElementAttributes(SELECTOR_STICKY_CONTENT, 'marginRight');
}
_saveInitialAttribute(element, styleProp) {
const actualValue = element.style[styleProp];
if (actualValue) {
Manipulator__default['default'].setDataAttribute(element, styleProp, actualValue);
}
}
_resetElementAttributes(selector, styleProp) {
const manipulationCallBack = element => {
const value = Manipulator__default['default'].getDataAttribute(element, styleProp);
if (typeof value === 'undefined') {
element.style.removeProperty(styleProp);
} else {
Manipulator__default['default'].removeDataAttribute(element, styleProp);
element.style[styleProp] = value;
}
};
this._applyManipulationCallback(selector, manipulationCallBack);
}
_applyManipulationCallback(selector, callBack) {
if (isElement(selector)) {
callBack(selector);
} else {
SelectorEngine__default['default'].find(selector, this._element).forEach(callBack);
}
}
isOverflowing() {
return this.getWidth() > 0;
}
}
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.1.0): util/backdrop.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
const Default$2 = {
className: 'modal-backdrop',
isVisible: true,
// if false, we use the backdrop helper without adding any element to the dom
isAnimated: false,
rootElement: 'body',
// give the choice to place backdrop under different elements
clickCallback: null
};
const DefaultType$2 = {
className: 'string',
isVisible: 'boolean',
isAnimated: 'boolean',
rootElement: '(element|string)',
clickCallback: '(function|null)'
};
const NAME$2 = 'backdrop';
const CLASS_NAME_FADE = 'fade';
const CLASS_NAME_SHOW$1 = 'show';
const EVENT_MOUSEDOWN = `mousedown.bs.${NAME$2}`;
class Backdrop {
constructor(config) {
this._config = this._getConfig(config);
this._isAppended = false;
this._element = null;
}
show(callback) {
if (!this._config.isVisible) {
execute(callback);
return;
}
this._append();
if (this._config.isAnimated) {
reflow(this._getElement());
}
this._getElement().classList.add(CLASS_NAME_SHOW$1);
this._emulateAnimation(() => {
execute(callback);
});
}
hide(callback) {
if (!this._config.isVisible) {
execute(callback);
return;
}
this._getElement().classList.remove(CLASS_NAME_SHOW$1);
this._emulateAnimation(() => {
this.dispose();
execute(callback);
});
} // Private
_getElement() {
if (!this._element) {
const backdrop = document.createElement('div');
backdrop.className = this._config.className;
if (this._config.isAnimated) {
backdrop.classList.add(CLASS_NAME_FADE);
}
this._element = backdrop;
}
return this._element;
}
_getConfig(config) {
config = { ...Default$2,
...(typeof config === 'object' ? config : {})
}; // use getElement() with the default "body" to get a fresh Element on each instantiation
config.rootElement = getElement(config.rootElement);
typeCheckConfig(NAME$2, config, DefaultType$2);
return config;
}
_append() {
if (this._isAppended) {
return;
}
this._config.rootElement.append(this._getElement());
EventHandler__default['default'].on(this._getElement(), EVENT_MOUSEDOWN, () => {
execute(this._config.clickCallback);
});
this._isAppended = true;
}
dispose() {
if (!this._isAppended) {
return;
}
EventHandler__default['default'].off(this._element, EVENT_MOUSEDOWN);
this._element.remove();
this._isAppended = false;
}
_emulateAnimation(callback) {
executeAfterTransition(callback, this._getElement(), this._config.isAnimated);
}
}
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.1.0): util/focustrap.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
const Default$1 = {
trapElement: null,
// The element to trap focus inside of
autofocus: true
};
const DefaultType$1 = {
trapElement: 'element',
autofocus: 'boolean'
};
const NAME$1 = 'focustrap';
const DATA_KEY$1 = 'bs.focustrap';
const EVENT_KEY$1 = `.${DATA_KEY$1}`;
const EVENT_FOCUSIN = `focusin${EVENT_KEY$1}`;
const EVENT_KEYDOWN_TAB = `keydown.tab${EVENT_KEY$1}`;
const TAB_KEY = 'Tab';
const TAB_NAV_FORWARD = 'forward';
const TAB_NAV_BACKWARD = 'backward';
class FocusTrap {
constructor(config) {
this._config = this._getConfig(config);
this._isActive = false;
this._lastTabNavDirection = null;
}
activate() {
const {
trapElement,
autofocus
} = this._config;
if (this._isActive) {
return;
}
if (autofocus) {
trapElement.focus();
}
EventHandler__default['default'].off(document, EVENT_KEY$1); // guard against infinite focus loop
EventHandler__default['default'].on(document, EVENT_FOCUSIN, event => this._handleFocusin(event));
EventHandler__default['default'].on(document, EVENT_KEYDOWN_TAB, event => this._handleKeydown(event));
this._isActive = true;
}
deactivate() {
if (!this._isActive) {
return;
}
this._isActive = false;
EventHandler__default['default'].off(document, EVENT_KEY$1);
} // Private
_handleFocusin(event) {
const {
target
} = event;
const {
trapElement
} = this._config;
if (target === document || target === trapElement || trapElement.contains(target)) {
return;
}
const elements = SelectorEngine__default['default'].focusableChildren(trapElement);
if (elements.length === 0) {
trapElement.focus();
} else if (this._lastTabNavDirection === TAB_NAV_BACKWARD) {
elements[elements.length - 1].focus();
} else {
elements[0].focus();
}
}
_handleKeydown(event) {
if (event.key !== TAB_KEY) {
return;
}
this._lastTabNavDirection = event.shiftKey ? TAB_NAV_BACKWARD : TAB_NAV_FORWARD;
}
_getConfig(config) {
config = { ...Default$1,
...(typeof config === 'object' ? config : {})
};
typeCheckConfig(NAME$1, config, DefaultType$1);
return config;
}
}
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.1.0): util/component-functions.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
const enableDismissTrigger = (component, method = 'hide') => {
const clickEvent = `click.dismiss${component.EVENT_KEY}`;
const name = component.NAME;
EventHandler__default['default'].on(document, clickEvent, `[data-bs-dismiss="${name}"]`, function (event) {
if (['A', 'AREA'].includes(this.tagName)) {
event.preventDefault();
}
if (isDisabled(this)) {
return;
}
const target = getElementFromSelector(this) || this.closest(`.${name}`);
const instance = component.getOrCreateInstance(target); // Method argument is left, for Alert and only, as it doesn't implement the 'hide' method
instance[method]();
});
};
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.1.0): offcanvas.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const NAME = 'offcanvas';
const DATA_KEY = 'bs.offcanvas';
const EVENT_KEY = `.${DATA_KEY}`;
const DATA_API_KEY = '.data-api';
const EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`;
const ESCAPE_KEY = 'Escape';
const Default = {
backdrop: true,
keyboard: true,
scroll: false
};
const DefaultType = {
backdrop: 'boolean',
keyboard: 'boolean',
scroll: 'boolean'
};
const CLASS_NAME_SHOW = 'show';
const CLASS_NAME_BACKDROP = 'offcanvas-backdrop';
const OPEN_SELECTOR = '.offcanvas.show';
const EVENT_SHOW = `show${EVENT_KEY}`;
const EVENT_SHOWN = `shown${EVENT_KEY}`;
const EVENT_HIDE = `hide${EVENT_KEY}`;
const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`;
const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="offcanvas"]';
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Offcanvas extends BaseComponent__default['default'] {
constructor(element, config) {
super(element);
this._config = this._getConfig(config);
this._isShown = false;
this._backdrop = this._initializeBackDrop();
this._focustrap = this._initializeFocusTrap();
this._addEventListeners();
} // Getters
static get NAME() {
return NAME;
}
static get Default() {
return Default;
} // Public
toggle(relatedTarget) {
return this._isShown ? this.hide() : this.show(relatedTarget);
}
show(relatedTarget) {
if (this._isShown) {
return;
}
const showEvent = EventHandler__default['default'].trigger(this._element, EVENT_SHOW, {
relatedTarget
});
if (showEvent.defaultPrevented) {
return;
}
this._isShown = true;
this._element.style.visibility = 'visible';
this._backdrop.show();
if (!this._config.scroll) {
new ScrollBarHelper().hide();
}
this._element.removeAttribute('aria-hidden');
this._element.setAttribute('aria-modal', true);
this._element.setAttribute('role', 'dialog');
this._element.classList.add(CLASS_NAME_SHOW);
const completeCallBack = () => {
if (!this._config.scroll) {
this._focustrap.activate();
}
EventHandler__default['default'].trigger(this._element, EVENT_SHOWN, {
relatedTarget
});
};
this._queueCallback(completeCallBack, this._element, true);
}
hide() {
if (!this._isShown) {
return;
}
const hideEvent = EventHandler__default['default'].trigger(this._element, EVENT_HIDE);
if (hideEvent.defaultPrevented) {
return;
}
this._focustrap.deactivate();
this._element.blur();
this._isShown = false;
this._element.classList.remove(CLASS_NAME_SHOW);
this._backdrop.hide();
const completeCallback = () => {
this._element.setAttribute('aria-hidden', true);
this._element.removeAttribute('aria-modal');
this._element.removeAttribute('role');
this._element.style.visibility = 'hidden';
if (!this._config.scroll) {
new ScrollBarHelper().reset();
}
EventHandler__default['default'].trigger(this._element, EVENT_HIDDEN);
};
this._queueCallback(completeCallback, this._element, true);
}
dispose() {
this._backdrop.dispose();
this._focustrap.deactivate();
super.dispose();
} // Private
_getConfig(config) {
config = { ...Default,
...Manipulator__default['default'].getDataAttributes(this._element),
...(typeof config === 'object' ? config : {})
};
typeCheckConfig(NAME, config, DefaultType);
return config;
}
_initializeBackDrop() {
return new Backdrop({
className: CLASS_NAME_BACKDROP,
isVisible: this._config.backdrop,
isAnimated: true,
rootElement: this._element.parentNode,
clickCallback: () => this.hide()
});
}
_initializeFocusTrap() {
return new FocusTrap({
trapElement: this._element
});
}
_addEventListeners() {
EventHandler__default['default'].on(this._element, EVENT_KEYDOWN_DISMISS, event => {
if (this._config.keyboard && event.key === ESCAPE_KEY) {
this.hide();
}
});
} // Static
static jQueryInterface(config) {
return this.each(function () {
const data = Offcanvas.getOrCreateInstance(this, config);
if (typeof config !== 'string') {
return;
}
if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
throw new TypeError(`No method named "${config}"`);
}
data[config](this);
});
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
EventHandler__default['default'].on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
const target = getElementFromSelector(this);
if (['A', 'AREA'].includes(this.tagName)) {
event.preventDefault();
}
if (isDisabled(this)) {
return;
}
EventHandler__default['default'].one(target, EVENT_HIDDEN, () => {
// focus on trigger when it is closed
if (isVisible(this)) {
this.focus();
}
}); // avoid conflict when clicking a toggler of an offcanvas, while another is open
const allReadyOpen = SelectorEngine__default['default'].findOne(OPEN_SELECTOR);
if (allReadyOpen && allReadyOpen !== target) {
Offcanvas.getInstance(allReadyOpen).hide();
}
const data = Offcanvas.getOrCreateInstance(target);
data.toggle(this);
});
EventHandler__default['default'].on(window, EVENT_LOAD_DATA_API, () => SelectorEngine__default['default'].find(OPEN_SELECTOR).forEach(el => Offcanvas.getOrCreateInstance(el).show()));
enableDismissTrigger(Offcanvas);
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
*/
defineJQueryPlugin(Offcanvas);
return Offcanvas;
})));
//# sourceMappingURL=offcanvas.js.map