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/**
* --------------------------------------------------------------------------
* Bootstrap (v5.0.0-beta2): alert.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
import {
defineJQueryPlugin,
emulateTransitionEnd,
getElementFromSelector,
getTransitionDurationFromElement
} from './util/index'
import Data from './dom/data'
import EventHandler from './dom/event-handler'
import BaseComponent from './base-component'
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const NAME = 'alert'
const DATA_KEY = 'bs.alert'
const EVENT_KEY = `.${DATA_KEY}`
const DATA_API_KEY = '.data-api'
const SELECTOR_DISMISS = '[data-bs-dismiss="alert"]'
const EVENT_CLOSE = `close${EVENT_KEY}`
const EVENT_CLOSED = `closed${EVENT_KEY}`
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
const CLASS_NAME_ALERT = 'alert'
const CLASS_NAME_FADE = 'fade'
const CLASS_NAME_SHOW = 'show'
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Alert extends BaseComponent {
// Getters
static get DATA_KEY() {
return DATA_KEY
}
// Public
close(element) {
const rootElement = element ? this._getRootElement(element) : this._element
const customEvent = this._triggerCloseEvent(rootElement)
if (customEvent === null || customEvent.defaultPrevented) {
return
}
this._removeElement(rootElement)
}
// Private
_getRootElement(element) {
return getElementFromSelector(element) || element.closest(`.${CLASS_NAME_ALERT}`)
}
_triggerCloseEvent(element) {
return EventHandler.trigger(element, EVENT_CLOSE)
}
_removeElement(element) {
element.classList.remove(CLASS_NAME_SHOW)
if (!element.classList.contains(CLASS_NAME_FADE)) {
this._destroyElement(element)
return
}
const transitionDuration = getTransitionDurationFromElement(element)
EventHandler.one(element, 'transitionend', () => this._destroyElement(element))
emulateTransitionEnd(element, transitionDuration)
}
_destroyElement(element) {
if (element.parentNode) {
element.parentNode.removeChild(element)
}
EventHandler.trigger(element, EVENT_CLOSED)
}
// Static
static jQueryInterface(config) {
return this.each(function () {
let data = Data.get(this, DATA_KEY)
if (!data) {
data = new Alert(this)
}
if (config === 'close') {
data[config](this)
}
})
}
static handleDismiss(alertInstance) {
return function (event) {
if (event) {
event.preventDefault()
}
alertInstance.close(this)
}
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DISMISS, Alert.handleDismiss(new Alert()))
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .Alert to jQuery only if jQuery is present
*/
defineJQueryPlugin(NAME, Alert)
export default Alert
|
