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How to use originalHandler method in root

Best JavaScript code snippet using root

event-handler.js

Source:event-handler.js

1/**2 * --------------------------------------------------------------------------3 * Bootstrap (v5.0.0-beta3): dom/event-handler.js4 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)5 * --------------------------------------------------------------------------6 */7import { getjQuery } from '../util/index'8/**9 * ------------------------------------------------------------------------10 * Constants11 * ------------------------------------------------------------------------12 */13const namespaceRegex = /[^.]*(?=\..*)\.|.*/14const stripNameRegex = /\..*/15const stripUidRegex = /::\d+$/16const eventRegistry = {} // Events storage17let uidEvent = 118const customEvents = {19  mouseenter: 'mouseover',20  mouseleave: 'mouseout'21}22const nativeEvents = new Set([23  'click',24  'dblclick',25  'mouseup',26  'mousedown',27  'contextmenu',28  'mousewheel',29  'DOMMouseScroll',30  'mouseover',31  'mouseout',32  'mousemove',33  'selectstart',34  'selectend',35  'keydown',36  'keypress',37  'keyup',38  'orientationchange',39  'touchstart',40  'touchmove',41  'touchend',42  'touchcancel',43  'pointerdown',44  'pointermove',45  'pointerup',46  'pointerleave',47  'pointercancel',48  'gesturestart',49  'gesturechange',50  'gestureend',51  'focus',52  'blur',53  'change',54  'reset',55  'select',56  'submit',57  'focusin',58  'focusout',59  'load',60  'unload',61  'beforeunload',62  'resize',63  'move',64  'DOMContentLoaded',65  'readystatechange',66  'error',67  'abort',68  'scroll'69])70/**71 * ------------------------------------------------------------------------72 * Private methods73 * ------------------------------------------------------------------------74 */75function getUidEvent(element, uid) {76  return (uid && `${uid}::${uidEvent++}`) || element.uidEvent || uidEvent++77}78function getEvent(element) {79  const uid = getUidEvent(element)80  element.uidEvent = uid81  eventRegistry[uid] = eventRegistry[uid] || {}82  return eventRegistry[uid]83}84function bootstrapHandler(element, fn) {85  return function handler(event) {86    event.delegateTarget = element87    if (handler.oneOff) {88      EventHandler.off(element, event.type, fn)89    }90    return fn.apply(element, [event])91  }92}93function bootstrapDelegationHandler(element, selector, fn) {94  return function handler(event) {95    const domElements = element.querySelectorAll(selector)96    for (let { target } = event; target && target !== this; target = target.parentNode) {97      for (let i = domElements.length; i--;) {98        if (domElements[i] === target) {99          event.delegateTarget = target100          if (handler.oneOff) {101            // eslint-disable-next-line unicorn/consistent-destructuring102            EventHandler.off(element, event.type, fn)103          }104          return fn.apply(target, [event])105        }106      }107    }108    // To please ESLint109    return null110  }111}112function findHandler(events, handler, delegationSelector = null) {113  const uidEventList = Object.keys(events)114  for (let i = 0, len = uidEventList.length; i < len; i++) {115    const event = events[uidEventList[i]]116    if (event.originalHandler === handler && event.delegationSelector === delegationSelector) {117      return event118    }119  }120  return null121}122function normalizeParams(originalTypeEvent, handler, delegationFn) {123  const delegation = typeof handler === 'string'124  const originalHandler = delegation ? delegationFn : handler125  // allow to get the native events from namespaced events ('click.bs.button' --> 'click')126  let typeEvent = originalTypeEvent.replace(stripNameRegex, '')127  const custom = customEvents[typeEvent]128  if (custom) {129    typeEvent = custom130  }131  const isNative = nativeEvents.has(typeEvent)132  if (!isNative) {133    typeEvent = originalTypeEvent134  }135  return [delegation, originalHandler, typeEvent]136}137function addHandler(element, originalTypeEvent, handler, delegationFn, oneOff) {138  if (typeof originalTypeEvent !== 'string' || !element) {139    return140  }141  if (!handler) {142    handler = delegationFn143    delegationFn = null144  }145  const [delegation, originalHandler, typeEvent] = normalizeParams(originalTypeEvent, handler, delegationFn)146  const events = getEvent(element)147  const handlers = events[typeEvent] || (events[typeEvent] = {})148  const previousFn = findHandler(handlers, originalHandler, delegation ? handler : null)149  if (previousFn) {150    previousFn.oneOff = previousFn.oneOff && oneOff151    return152  }153  const uid = getUidEvent(originalHandler, originalTypeEvent.replace(namespaceRegex, ''))154  const fn = delegation ?155    bootstrapDelegationHandler(element, handler, delegationFn) :156    bootstrapHandler(element, handler)157  fn.delegationSelector = delegation ? handler : null158  fn.originalHandler = originalHandler159  fn.oneOff = oneOff160  fn.uidEvent = uid161  handlers[uid] = fn162  element.addEventListener(typeEvent, fn, delegation)163}164function removeHandler(element, events, typeEvent, handler, delegationSelector) {165  const fn = findHandler(events[typeEvent], handler, delegationSelector)166  if (!fn) {167    return168  }169  element.removeEventListener(typeEvent, fn, Boolean(delegationSelector))170  delete events[typeEvent][fn.uidEvent]171}172function removeNamespacedHandlers(element, events, typeEvent, namespace) {173  const storeElementEvent = events[typeEvent] || {}174  Object.keys(storeElementEvent).forEach(handlerKey => {175    if (handlerKey.includes(namespace)) {176      const event = storeElementEvent[handlerKey]177      removeHandler(element, events, typeEvent, event.originalHandler, event.delegationSelector)178    }179  })180}181const EventHandler = {182  on(element, event, handler, delegationFn) {183    addHandler(element, event, handler, delegationFn, false)184  },185  one(element, event, handler, delegationFn) {186    addHandler(element, event, handler, delegationFn, true)187  },188  off(element, originalTypeEvent, handler, delegationFn) {189    if (typeof originalTypeEvent !== 'string' || !element) {190      return191    }192    const [delegation, originalHandler, typeEvent] = normalizeParams(originalTypeEvent, handler, delegationFn)193    const inNamespace = typeEvent !== originalTypeEvent194    const events = getEvent(element)195    const isNamespace = originalTypeEvent.startsWith('.')196    if (typeof originalHandler !== 'undefined') {197      // Simplest case: handler is passed, remove that listener ONLY.198      if (!events || !events[typeEvent]) {199        return200      }201      removeHandler(element, events, typeEvent, originalHandler, delegation ? handler : null)202      return203    }204    if (isNamespace) {205      Object.keys(events).forEach(elementEvent => {206        removeNamespacedHandlers(element, events, elementEvent, originalTypeEvent.slice(1))207      })208    }209    const storeElementEvent = events[typeEvent] || {}210    Object.keys(storeElementEvent).forEach(keyHandlers => {211      const handlerKey = keyHandlers.replace(stripUidRegex, '')212      if (!inNamespace || originalTypeEvent.includes(handlerKey)) {213        const event = storeElementEvent[keyHandlers]214        removeHandler(element, events, typeEvent, event.originalHandler, event.delegationSelector)215      }216    })217  },218  trigger(element, event, args) {219    if (typeof event !== 'string' || !element) {220      return null221    }222    const $ = getjQuery()223    const typeEvent = event.replace(stripNameRegex, '')224    const inNamespace = event !== typeEvent225    const isNative = nativeEvents.has(typeEvent)226    let jQueryEvent227    let bubbles = true228    let nativeDispatch = true229    let defaultPrevented = false230    let evt = null231    if (inNamespace && $) {232      jQueryEvent = $.Event(event, args)233      $(element).trigger(jQueryEvent)234      bubbles = !jQueryEvent.isPropagationStopped()235      nativeDispatch = !jQueryEvent.isImmediatePropagationStopped()236      defaultPrevented = jQueryEvent.isDefaultPrevented()237    }238    if (isNative) {239      evt = document.createEvent('HTMLEvents')240      evt.initEvent(typeEvent, bubbles, true)241    } else {242      evt = new CustomEvent(event, {243        bubbles,244        cancelable: true245      })246    }247    // merge custom information in our event248    if (typeof args !== 'undefined') {249      Object.keys(args).forEach(key => {250        Object.defineProperty(evt, key, {251          get() {252            return args[key]253          }254        })255      })256    }257    if (defaultPrevented) {258      evt.preventDefault()259    }260    if (nativeDispatch) {261      element.dispatchEvent(evt)262    }263    if (evt.defaultPrevented && typeof jQueryEvent !== 'undefined') {264      jQueryEvent.preventDefault()265    }266    return evt267  }268}...

Using AI Code Generation

1rootHandler.originalHandler = function(request, response) {2  console.log('Serving request type ' + request.method + ' for url ' + request.url);3  response.writeHead(200, headers);4  response.end('Hello World');5};6collectDataHandler.originalHandler = function(request, response) {7  console.log('Serving request type ' + request.method + ' for url ' + request.url);8  response.writeHead(200, headers);9  response.end('Hello World');10};11exports.rootHandler = rootHandler;12exports.collectDataHandler = collectDataHandler;13var http = require('http');14var handlers = require('./request-handler');15var initialize = require('./initialize.js');16var url = require('url');17var port = 3000;

Using AI Code Generation

1var rootHandler = require('./rootHandler.js');2rootHandler.originalHandler();3var userHandler = require('./userHandler.js');4userHandler.originalHandler();5var userHandler = require('./userHandler.js');6exports.originalHandler = function(){7    console.log('This is original handler of rootHandler');8    userHandler.originalHandler();9}10exports.originalHandler = function(){11    console.log('This is original handler of userHandler');12}13(function (exports, require, module, __filename, __dirname) {14});

Using AI Code Generation

1var rootHandler = require('./rootHandler');2rootHandler.originalHandler();3rootHandler.rootHandler();4rootHandler.rootHandler();5var rootHandler = function () {6    console.log('rootHandler called');7}8var originalHandler = function () {9    console.log('originalHandler called');10}11module.exports.rootHandler = rootHandler;12module.exports.originalHandler = originalHandler;

Using AI Code Generation

1var rootHandler = require('./rootHandler');2rootHandler.originalHandler();3var originalHandler = function() {4    console.log("Original handler");5}6module.exports.originalHandler = originalHandler;7var originalHandler = function() {8    console.log("Original handler");9}10module.exports = originalHandler;11var rootHandler = require('./rootHandler');12rootHandler();

Using AI Code Generation

1var rootRouter = require('express').Router();2var handler = require('./handler');3rootRouter.use(handler.originalHandler);4var rootRouter = require('express').Router();5var handler = require('./handler');6rootRouter.use(handler.originalHandler);7var rootRouter = require('express').Router();8var handler = require('./handler');9rootRouter.use(handler.originalHandler);10var rootRouter = require('express').Router();11var handler = require('./handler');12rootRouter.use(handler.originalHandler);

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