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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 | 12x 12x 12x 12x 12x 12x 12x 12x 4801x 2609x 2609x 2609x 2609x 2125x 314x 124x 314x 67x 972x 972x 4400x 299x 102x 102x 870x 2639x 2639x 13639x 13639x 268x 2371x 2609x 2609x 2609x 2609x 2609x 180x 2609x 2609x 270x 2609x 2259x 67x 2192x 738x 738x 2192x 2192x 2192x 2192x 2192x 2192x 2192x 2192x 2192x 2192x 2192x 2192x 2192x 447x 447x 179x 268x 268x 22x 22x 22x 17x 17x 12x 2131x 128x 422x 5x 417x 417x 417x 417x 417x 305x 305x 305x 112x 7x 22x 112x 112x 126x 126x 125x 125x 567x 11x 556x 556x 556x 556x 556x 556x 556x 556x 556x 14x 14x 542x 556x 271x 370x 17x 556x 556x 556x 556x 556x | /** * -------------------------------------------------------------------------- * Bootstrap (v5.0.0-alpha1): dom/event-handler.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) * -------------------------------------------------------------------------- */ import { getjQuery } from '../util/index' import { defaultPreventedPreservedOnDispatch } from './polyfill' /** * ------------------------------------------------------------------------ * Constants * ------------------------------------------------------------------------ */ const $ = getjQuery() const namespaceRegex = /[^.]*(?=\..*)\.|.*/ const stripNameRegex = /\..*/ const stripUidRegex = /::\d+$/ const eventRegistry = {} // Events storage let uidEvent = 1 const customEvents = { mouseenter: 'mouseover', mouseleave: 'mouseout' } const nativeEvents = [ 'click', 'dblclick', 'mouseup', 'mousedown', 'contextmenu', 'mousewheel', 'DOMMouseScroll', 'mouseover', 'mouseout', 'mousemove', 'selectstart', 'selectend', 'keydown', 'keypress', 'keyup', 'orientationchange', 'touchstart', 'touchmove', 'touchend', 'touchcancel', 'pointerdown', 'pointermove', 'pointerup', 'pointerleave', 'pointercancel', 'gesturestart', 'gesturechange', 'gestureend', 'focus', 'blur', 'change', 'reset', 'select', 'submit', 'focusin', 'focusout', 'load', 'unload', 'beforeunload', 'resize', 'move', 'DOMContentLoaded', 'readystatechange', 'error', 'abort', 'scroll' ] /** * ------------------------------------------------------------------------ * Private methods * ------------------------------------------------------------------------ */ function getUidEvent(element, uid) { return (uid && `${uid}::${uidEvent++}`) || element.uidEvent || uidEvent++ } function getEvent(element) { const uid = getUidEvent(element) element.uidEvent = uid eventRegistry[uid] = eventRegistry[uid] || {} return eventRegistry[uid] } function bootstrapHandler(element, fn) { return function handler(event) { if (handler.oneOff) { EventHandler.off(element, event.type, fn) } return fn.apply(element, [event]) } } function bootstrapDelegationHandler(element, selector, fn) { return function handler(event) { const domElements = element.querySelectorAll(selector) for (let { target } = event; target && target !== this; target = target.parentNode) { for (let i = domElements.length; i--;) { if (domElements[i] === target) { Iif (handler.oneOff) { EventHandler.off(element, event.type, fn) } return fn.apply(target, [event]) } } } // To please ESLint return null } } function findHandler(events, handler, delegationSelector = null) { const uidEventList = Object.keys(events) for (let i = 0, len = uidEventList.length; i < len; i++) { const event = events[uidEventList[i]] if (event.originalHandler === handler && event.delegationSelector === delegationSelector) { return event } } return null } function normalizeParams(originalTypeEvent, handler, delegationFn) { const delegation = typeof handler === 'string' const originalHandler = delegation ? delegationFn : handler // allow to get the native events from namespaced events ('click.bs.button' --> 'click') let typeEvent = originalTypeEvent.replace(stripNameRegex, '') const custom = customEvents[typeEvent] if (custom) { typeEvent = custom } const isNative = nativeEvents.indexOf(typeEvent) > -1 if (!isNative) { typeEvent = originalTypeEvent } return [delegation, originalHandler, typeEvent] } function addHandler(element, originalTypeEvent, handler, delegationFn, oneOff) { if (typeof originalTypeEvent !== 'string' || !element) { return } if (!handler) { handler = delegationFn delegationFn = null } const [delegation, originalHandler, typeEvent] = normalizeParams(originalTypeEvent, handler, delegationFn) const events = getEvent(element) const handlers = events[typeEvent] || (events[typeEvent] = {}) const previousFn = findHandler(handlers, originalHandler, delegation ? handler : null) Iif (previousFn) { previousFn.oneOff = previousFn.oneOff && oneOff return } const uid = getUidEvent(originalHandler, originalTypeEvent.replace(namespaceRegex, '')) const fn = delegation ? bootstrapDelegationHandler(element, handler, delegationFn) : bootstrapHandler(element, handler) fn.delegationSelector = delegation ? handler : null fn.originalHandler = originalHandler fn.oneOff = oneOff fn.uidEvent = uid handlers[uid] = fn element.addEventListener(typeEvent, fn, delegation) } function removeHandler(element, events, typeEvent, handler, delegationSelector) { const fn = findHandler(events[typeEvent], handler, delegationSelector) if (!fn) { return } element.removeEventListener(typeEvent, fn, Boolean(delegationSelector)) delete events[typeEvent][fn.uidEvent] } function removeNamespacedHandlers(element, events, typeEvent, namespace) { const storeElementEvent = events[typeEvent] || {} Object.keys(storeElementEvent) .forEach(handlerKey => { if (handlerKey.indexOf(namespace) > -1) { const event = storeElementEvent[handlerKey] removeHandler(element, events, typeEvent, event.originalHandler, event.delegationSelector) } }) } const EventHandler = { on(element, event, handler, delegationFn) { addHandler(element, event, handler, delegationFn, false) }, one(element, event, handler, delegationFn) { addHandler(element, event, handler, delegationFn, true) }, off(element, originalTypeEvent, handler, delegationFn) { if (typeof originalTypeEvent !== 'string' || !element) { return } const [delegation, originalHandler, typeEvent] = normalizeParams(originalTypeEvent, handler, delegationFn) const inNamespace = typeEvent !== originalTypeEvent const events = getEvent(element) const isNamespace = originalTypeEvent.charAt(0) === '.' if (typeof originalHandler !== 'undefined') { // Simplest case: handler is passed, remove that listener ONLY. Iif (!events || !events[typeEvent]) { return } removeHandler(element, events, typeEvent, originalHandler, delegation ? handler : null) return } if (isNamespace) { Object.keys(events) .forEach(elementEvent => { removeNamespacedHandlers(element, events, elementEvent, originalTypeEvent.slice(1)) }) } const storeElementEvent = events[typeEvent] || {} Object.keys(storeElementEvent) .forEach(keyHandlers => { const handlerKey = keyHandlers.replace(stripUidRegex, '') if (!inNamespace || originalTypeEvent.indexOf(handlerKey) > -1) { const event = storeElementEvent[keyHandlers] removeHandler(element, events, typeEvent, event.originalHandler, event.delegationSelector) } }) }, trigger(element, event, args) { if (typeof event !== 'string' || !element) { return null } const typeEvent = event.replace(stripNameRegex, '') const inNamespace = event !== typeEvent const isNative = nativeEvents.indexOf(typeEvent) > -1 let jQueryEvent let bubbles = true let nativeDispatch = true let defaultPrevented = false let evt = null Iif (inNamespace && $) { jQueryEvent = $.Event(event, args) $(element).trigger(jQueryEvent) bubbles = !jQueryEvent.isPropagationStopped() nativeDispatch = !jQueryEvent.isImmediatePropagationStopped() defaultPrevented = jQueryEvent.isDefaultPrevented() } if (isNative) { evt = document.createEvent('HTMLEvents') evt.initEvent(typeEvent, bubbles, true) } else { evt = new CustomEvent(event, { bubbles, cancelable: true }) } // merge custom informations in our event if (typeof args !== 'undefined') { Object.keys(args) .forEach(key => { Object.defineProperty(evt, key, { get() { return args[key] } }) }) } Iif (defaultPrevented) { evt.preventDefault() if (!defaultPreventedPreservedOnDispatch) { Object.defineProperty(evt, 'defaultPrevented', { get: () => true }) } } Eif (nativeDispatch) { element.dispatchEvent(evt) } Iif (evt.defaultPrevented && typeof jQueryEvent !== 'undefined') { jQueryEvent.preventDefault() } return evt } } export default EventHandler |