[d565449] | 1 | /*!
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| 2 | * Bootstrap event-handler.js v5.3.3 (https://getbootstrap.com/)
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| 3 | * Copyright 2011-2024 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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| 4 | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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| 5 | */
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| 6 | (function (global, factory) {
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| 7 | typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('../util/index.js')) :
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| 8 | typeof define === 'function' && define.amd ? define(['../util/index'], factory) :
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| 9 | (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.EventHandler = factory(global.Index));
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| 10 | })(this, (function (index_js) { 'use strict';
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| 11 |
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| 12 | /**
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| 13 | * --------------------------------------------------------------------------
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| 14 | * Bootstrap dom/event-handler.js
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| 15 | * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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| 16 | * --------------------------------------------------------------------------
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| 17 | */
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| 18 |
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| 19 |
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| 20 | /**
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| 21 | * Constants
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| 22 | */
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| 23 |
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| 24 | const namespaceRegex = /[^.]*(?=\..*)\.|.*/;
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| 25 | const stripNameRegex = /\..*/;
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| 26 | const stripUidRegex = /::\d+$/;
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| 27 | const eventRegistry = {}; // Events storage
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| 28 | let uidEvent = 1;
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| 29 | const customEvents = {
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| 30 | mouseenter: 'mouseover',
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| 31 | mouseleave: 'mouseout'
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| 32 | };
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| 33 | const nativeEvents = new Set(['click', 'dblclick', 'mouseup', 'mousedown', 'contextmenu', 'mousewheel', 'DOMMouseScroll', 'mouseover', 'mouseout', 'mousemove', 'selectstart', 'selectend', 'keydown', 'keypress', 'keyup', 'orientationchange', 'touchstart', 'touchmove', 'touchend', 'touchcancel', 'pointerdown', 'pointermove', 'pointerup', 'pointerleave', 'pointercancel', 'gesturestart', 'gesturechange', 'gestureend', 'focus', 'blur', 'change', 'reset', 'select', 'submit', 'focusin', 'focusout', 'load', 'unload', 'beforeunload', 'resize', 'move', 'DOMContentLoaded', 'readystatechange', 'error', 'abort', 'scroll']);
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| 34 |
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| 35 | /**
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| 36 | * Private methods
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| 37 | */
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| 38 |
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| 39 | function makeEventUid(element, uid) {
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| 40 | return uid && `${uid}::${uidEvent++}` || element.uidEvent || uidEvent++;
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| 41 | }
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| 42 | function getElementEvents(element) {
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| 43 | const uid = makeEventUid(element);
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| 44 | element.uidEvent = uid;
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| 45 | eventRegistry[uid] = eventRegistry[uid] || {};
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| 46 | return eventRegistry[uid];
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| 47 | }
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| 48 | function bootstrapHandler(element, fn) {
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| 49 | return function handler(event) {
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| 50 | hydrateObj(event, {
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| 51 | delegateTarget: element
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| 52 | });
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| 53 | if (handler.oneOff) {
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| 54 | EventHandler.off(element, event.type, fn);
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| 55 | }
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| 56 | return fn.apply(element, [event]);
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| 57 | };
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| 58 | }
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| 59 | function bootstrapDelegationHandler(element, selector, fn) {
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| 60 | return function handler(event) {
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| 61 | const domElements = element.querySelectorAll(selector);
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| 62 | for (let {
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| 63 | target
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| 64 | } = event; target && target !== this; target = target.parentNode) {
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| 65 | for (const domElement of domElements) {
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| 66 | if (domElement !== target) {
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| 67 | continue;
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| 68 | }
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| 69 | hydrateObj(event, {
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| 70 | delegateTarget: target
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| 71 | });
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| 72 | if (handler.oneOff) {
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| 73 | EventHandler.off(element, event.type, selector, fn);
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| 74 | }
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| 75 | return fn.apply(target, [event]);
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| 76 | }
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| 77 | }
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| 78 | };
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| 79 | }
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| 80 | function findHandler(events, callable, delegationSelector = null) {
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| 81 | return Object.values(events).find(event => event.callable === callable && event.delegationSelector === delegationSelector);
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| 82 | }
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| 83 | function normalizeParameters(originalTypeEvent, handler, delegationFunction) {
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| 84 | const isDelegated = typeof handler === 'string';
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| 85 | // TODO: tooltip passes `false` instead of selector, so we need to check
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| 86 | const callable = isDelegated ? delegationFunction : handler || delegationFunction;
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| 87 | let typeEvent = getTypeEvent(originalTypeEvent);
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| 88 | if (!nativeEvents.has(typeEvent)) {
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| 89 | typeEvent = originalTypeEvent;
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| 90 | }
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| 91 | return [isDelegated, callable, typeEvent];
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| 92 | }
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| 93 | function addHandler(element, originalTypeEvent, handler, delegationFunction, oneOff) {
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| 94 | if (typeof originalTypeEvent !== 'string' || !element) {
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| 95 | return;
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| 96 | }
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| 97 | let [isDelegated, callable, typeEvent] = normalizeParameters(originalTypeEvent, handler, delegationFunction);
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| 98 |
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| 99 | // in case of mouseenter or mouseleave wrap the handler within a function that checks for its DOM position
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| 100 | // this prevents the handler from being dispatched the same way as mouseover or mouseout does
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| 101 | if (originalTypeEvent in customEvents) {
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| 102 | const wrapFunction = fn => {
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| 103 | return function (event) {
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| 104 | if (!event.relatedTarget || event.relatedTarget !== event.delegateTarget && !event.delegateTarget.contains(event.relatedTarget)) {
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| 105 | return fn.call(this, event);
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| 106 | }
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| 107 | };
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| 108 | };
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| 109 | callable = wrapFunction(callable);
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| 110 | }
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| 111 | const events = getElementEvents(element);
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| 112 | const handlers = events[typeEvent] || (events[typeEvent] = {});
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| 113 | const previousFunction = findHandler(handlers, callable, isDelegated ? handler : null);
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| 114 | if (previousFunction) {
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| 115 | previousFunction.oneOff = previousFunction.oneOff && oneOff;
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| 116 | return;
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| 117 | }
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| 118 | const uid = makeEventUid(callable, originalTypeEvent.replace(namespaceRegex, ''));
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| 119 | const fn = isDelegated ? bootstrapDelegationHandler(element, handler, callable) : bootstrapHandler(element, callable);
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| 120 | fn.delegationSelector = isDelegated ? handler : null;
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| 121 | fn.callable = callable;
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| 122 | fn.oneOff = oneOff;
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| 123 | fn.uidEvent = uid;
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| 124 | handlers[uid] = fn;
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| 125 | element.addEventListener(typeEvent, fn, isDelegated);
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| 126 | }
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| 127 | function removeHandler(element, events, typeEvent, handler, delegationSelector) {
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| 128 | const fn = findHandler(events[typeEvent], handler, delegationSelector);
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| 129 | if (!fn) {
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| 130 | return;
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| 131 | }
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| 132 | element.removeEventListener(typeEvent, fn, Boolean(delegationSelector));
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| 133 | delete events[typeEvent][fn.uidEvent];
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| 134 | }
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| 135 | function removeNamespacedHandlers(element, events, typeEvent, namespace) {
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| 136 | const storeElementEvent = events[typeEvent] || {};
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| 137 | for (const [handlerKey, event] of Object.entries(storeElementEvent)) {
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| 138 | if (handlerKey.includes(namespace)) {
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| 139 | removeHandler(element, events, typeEvent, event.callable, event.delegationSelector);
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| 140 | }
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| 141 | }
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| 142 | }
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| 143 | function getTypeEvent(event) {
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| 144 | // allow to get the native events from namespaced events ('click.bs.button' --> 'click')
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| 145 | event = event.replace(stripNameRegex, '');
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| 146 | return customEvents[event] || event;
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| 147 | }
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| 148 | const EventHandler = {
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| 149 | on(element, event, handler, delegationFunction) {
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| 150 | addHandler(element, event, handler, delegationFunction, false);
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| 151 | },
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| 152 | one(element, event, handler, delegationFunction) {
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| 153 | addHandler(element, event, handler, delegationFunction, true);
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| 154 | },
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| 155 | off(element, originalTypeEvent, handler, delegationFunction) {
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| 156 | if (typeof originalTypeEvent !== 'string' || !element) {
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| 157 | return;
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| 158 | }
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| 159 | const [isDelegated, callable, typeEvent] = normalizeParameters(originalTypeEvent, handler, delegationFunction);
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| 160 | const inNamespace = typeEvent !== originalTypeEvent;
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| 161 | const events = getElementEvents(element);
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| 162 | const storeElementEvent = events[typeEvent] || {};
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| 163 | const isNamespace = originalTypeEvent.startsWith('.');
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| 164 | if (typeof callable !== 'undefined') {
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| 165 | // Simplest case: handler is passed, remove that listener ONLY.
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| 166 | if (!Object.keys(storeElementEvent).length) {
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| 167 | return;
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| 168 | }
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| 169 | removeHandler(element, events, typeEvent, callable, isDelegated ? handler : null);
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| 170 | return;
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| 171 | }
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| 172 | if (isNamespace) {
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| 173 | for (const elementEvent of Object.keys(events)) {
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| 174 | removeNamespacedHandlers(element, events, elementEvent, originalTypeEvent.slice(1));
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| 175 | }
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| 176 | }
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| 177 | for (const [keyHandlers, event] of Object.entries(storeElementEvent)) {
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| 178 | const handlerKey = keyHandlers.replace(stripUidRegex, '');
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| 179 | if (!inNamespace || originalTypeEvent.includes(handlerKey)) {
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| 180 | removeHandler(element, events, typeEvent, event.callable, event.delegationSelector);
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| 181 | }
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| 182 | }
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| 183 | },
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| 184 | trigger(element, event, args) {
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| 185 | if (typeof event !== 'string' || !element) {
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| 186 | return null;
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| 187 | }
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| 188 | const $ = index_js.getjQuery();
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| 189 | const typeEvent = getTypeEvent(event);
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| 190 | const inNamespace = event !== typeEvent;
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| 191 | let jQueryEvent = null;
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| 192 | let bubbles = true;
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| 193 | let nativeDispatch = true;
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| 194 | let defaultPrevented = false;
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| 195 | if (inNamespace && $) {
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| 196 | jQueryEvent = $.Event(event, args);
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| 197 | $(element).trigger(jQueryEvent);
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| 198 | bubbles = !jQueryEvent.isPropagationStopped();
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| 199 | nativeDispatch = !jQueryEvent.isImmediatePropagationStopped();
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| 200 | defaultPrevented = jQueryEvent.isDefaultPrevented();
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| 201 | }
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| 202 | const evt = hydrateObj(new Event(event, {
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| 203 | bubbles,
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| 204 | cancelable: true
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| 205 | }), args);
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| 206 | if (defaultPrevented) {
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| 207 | evt.preventDefault();
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| 208 | }
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| 209 | if (nativeDispatch) {
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| 210 | element.dispatchEvent(evt);
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| 211 | }
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| 212 | if (evt.defaultPrevented && jQueryEvent) {
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| 213 | jQueryEvent.preventDefault();
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| 214 | }
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| 215 | return evt;
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| 216 | }
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| 217 | };
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| 218 | function hydrateObj(obj, meta = {}) {
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| 219 | for (const [key, value] of Object.entries(meta)) {
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| 220 | try {
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| 221 | obj[key] = value;
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| 222 | } catch (_unused) {
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| 223 | Object.defineProperty(obj, key, {
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| 224 | configurable: true,
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| 225 | get() {
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| 226 | return value;
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| 227 | }
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| 228 | });
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| 229 | }
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| 230 | }
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| 231 | return obj;
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| 232 | }
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| 233 |
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| 234 | return EventHandler;
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| 235 |
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| 236 | }));
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| 237 | //# sourceMappingURL=event-handler.js.map
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