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);

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.