How to use the @kui-shell/core.getCurrentPrompt function in @kui-shell/core

const perTabInit = (tab: Tab, tabButton: HTMLElement, doListen = true) => {
  tab.state = new TabState()

  const newTabId = uuid()
  tab.setAttribute('data-tab-id', newTabId)
  tabButton.setAttribute('data-tab-id', newTabId)
  tabButton.onclick = () => switchTab(newTabId)

  setTimeout(async () => {
    getReplImpl(tab)
    eventBus.emit('/tab/new', tab)
  })

  if (doListen) {
    listen(getCurrentPrompt(tab))
  }

  // keep repl prompt focused, if possible
  const grabFocus = (checkPath: boolean) => (evt: MouseEvent) => {
    const target = evt.target
    if (isElement(target)) {
      setTimeout(() => {
        const prompt = getCurrentPrompt(tab)
        if (
          prompt &&
          getSelectionText().length === 0 &&
          (target.classList.contains('repl-inner') ||
            target.classList.contains('repl-output') ||
            target.classList.contains('kui--tab-navigatable') ||
            (checkPath && evt['path'] && evt['path'].find(_ => isElement(_) && /header/i.test(_.tagName))))
        ) {

setStatus(currentlyProcessingBlock, Status.replActive)
  }

  // this must occur after the REPL.qexec('clear'), otherwise we may select
  // the wrong repl-result
  empty(newTab.querySelector('.repl-result'))

  clearSelection(newTab)
  perTabInit(newTab, newTabButton)

  newTabButton.scrollIntoView()

  // make the new tab visible at the very end of the above init work!
  currentVisibleTab.classList.remove('visible')
  currentVisibleTab.parentNode.appendChild(newTab)
  getCurrentPrompt(newTab).focus()

  getTabButtonLabel(newTab).innerText = !isUsingCommandName() ? strings('Tab') : strings('New Tab')

  return true
}

cancelButton.classList.add('bx--btn--secondary')
          cancelButton.classList.add('button-custon')
          cancelButton.setAttribute('type', 'button')
          cancelButton.innerText = strings('cancel')
          cancelButton.onclick = cancel

          continueButton.classList.add('bx--btn')
          continueButton.classList.add('bx--btn--danger')
          continueButton.classList.add('button-custon')
          continueButton.setAttribute('type', 'button')
          continueButton.innerText = strings('yesIAmSure')
          continueButton.onclick = exec

          // temporarily disable the repl
          if (getCurrentPrompt(tab)) {
            getCurrentPrompt(tab).readOnly = true
          }

          // to capture the Escape key event
          const hiddenInput = document.createElement('input')
          hiddenInput.classList.add('hidden')
          hiddenInput.classList.add('grab-focus')
          modal.appendChild(hiddenInput)
          hiddenInput.focus()

          modal.addEventListener(
            'keyup',
            (evt: KeyboardEvent) => {
              if (evt.keyCode === KeyCodes.ESCAPE) {
                evt.preventDefault()
                cancel()
              }

setTimeout(() => {
                  page.removeChild(snapDom)
                  getCurrentPrompt(tab).readOnly = false
                  getCurrentPrompt(tab).focus()
                }, 1000) // match go-away-able transition-duration; see ui.css
              }

tab['_kui_session'] = new Promise(async (resolve, reject) => {
    try {
      const block = getCurrentBlock(tab)
      const prompt = getCurrentPrompt(tab)
      prompt.readOnly = true
      let placeholderChanged = false

      const sessionInitialization = pollUntilOnline(tab, block)

      // change the placeholder if sessionInitialization is slow
      const placeholderAsync = setTimeout(() => {
        prompt.placeholder = strings('Please wait while we connect to your cloud')
        setStatus(block, Status.processing)
        placeholderChanged = true
      }, theme.millisBeforeProxyConnectionWarning || 250)

      await sessionInitialization

      clearTimeout(placeholderAsync)
      prompt.readOnly = false

cancelButton.classList.add('bx--btn')
          cancelButton.classList.add('bx--btn--secondary')
          cancelButton.classList.add('button-custon')
          cancelButton.setAttribute('type', 'button')
          cancelButton.innerText = strings('cancel')
          cancelButton.onclick = cancel

          continueButton.classList.add('bx--btn')
          continueButton.classList.add('bx--btn--danger')
          continueButton.classList.add('button-custon')
          continueButton.setAttribute('type', 'button')
          continueButton.innerText = strings('yesIAmSure')
          continueButton.onclick = exec

          // temporarily disable the repl
          if (getCurrentPrompt(tab)) {
            getCurrentPrompt(tab).readOnly = true
          }

          // to capture the Escape key event
          const hiddenInput = document.createElement('input')
          hiddenInput.classList.add('hidden')
          hiddenInput.classList.add('grab-focus')
          modal.appendChild(hiddenInput)
          hiddenInput.focus()

          modal.addEventListener(
            'keyup',
            (evt: KeyboardEvent) => {
              if (evt.keyCode === KeyCodes.ESCAPE) {
                evt.preventDefault()
                cancel()

clearHighlights()
    // $(window).unbind("resize", resizeHandler);

    // allow for the close transition to do its magic
    if (delay === 0) {
      // $(pane).remove();
      resolve(true)
    } else {
      setTimeout(() => {
        // $(pane).remove();
        resolve(true)
      }, delay)
    }

    // make sure the repl has focus when we're done
    getCurrentPrompt().focus()
  })

setTimeout(() => {
        const prompt = getCurrentPrompt(tab)
        if (
          prompt &&
          getSelectionText().length === 0 &&
          (target.classList.contains('repl-inner') ||
            target.classList.contains('repl-output') ||
            target.classList.contains('kui--tab-navigatable') ||
            (checkPath && evt['path'] && evt['path'].find(_ => isElement(_) && /header/i.test(_.tagName))))
        ) {
          if (target.classList.contains('repl-inner') || isInViewport(prompt)) {
            prompt.focus()
          }
        }
      }, 0)
    }

;(document.querySelector('.main > .left-tab-stripe') as HTMLElement).onclick = () => {
    const prompt = getCurrentPrompt()
    if (prompt) {
      prompt.focus()
    }
  }
}