Acme.BookStore.HttpApi.Host/node_modules/sweetalert2/src/instanceMethods/keydown-handler.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

import * as dom from '../utils/dom/index.js'
import { DismissReason } from '../utils/DismissReason.js'
import { callIfFunction } from '../utils/utils.js'
import { clickConfirm } from '../staticMethods/dom.js'
import privateProps from '../privateProps.js'

export const addKeydownHandler = (instance, globalState, innerParams, dismissWith) => {
  if (globalState.keydownTarget && globalState.keydownHandlerAdded) {
    globalState.keydownTarget.removeEventListener('keydown', globalState.keydownHandler, { capture: globalState.keydownListenerCapture })
    globalState.keydownHandlerAdded = false
  }

  if (!innerParams.toast) {
    globalState.keydownHandler = (e) => keydownHandler(instance, e, dismissWith)
    globalState.keydownTarget = innerParams.keydownListenerCapture ? window : dom.getPopup()
    globalState.keydownListenerCapture = innerParams.keydownListenerCapture
    globalState.keydownTarget.addEventListener('keydown', globalState.keydownHandler, { capture: globalState.keydownListenerCapture })
    globalState.keydownHandlerAdded = true
  }
}

// Focus handling
export const setFocus = (innerParams, index, increment) => {
  const focusableElements = dom.getFocusableElements()
  // search for visible elements and select the next possible match
  if (focusableElements.length) {
    index = index + increment

    // rollover to first item
    if (index === focusableElements.length) {
      index = 0

      // go to last item
    } else if (index === -1) {
      index = focusableElements.length - 1
    }

    return focusableElements[index].focus()
  }
  // no visible focusable elements, focus the popup
  dom.getPopup().focus()
}

const arrowKeysNextButton = [
  'ArrowRight', 'ArrowDown',
]

const arrowKeysPreviousButton = [
  'ArrowLeft', 'ArrowUp',
]

const keydownHandler = (instance, e, dismissWith) => {
  const innerParams = privateProps.innerParams.get(instance)

  if (!innerParams) {
    return // This instance has already been destroyed
  }

  if (innerParams.stopKeydownPropagation) {
    e.stopPropagation()