# All files / src alert.js

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90.48% Branches 19/21
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     /**
     * --------------------------------------------------------------------------
     * CoreUI (v3.3.0): alert.js
     * Licensed under MIT (https://coreui.io/license)
     *
     * This component is a modified version of the Bootstrap's alert.js
     * Bootstrap (v5.0.0): alert.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

    import {
      getjQuery,
      TRANSITION_END,
      emulateTransitionEnd,
      getElementFromSelector,
      getTransitionDurationFromElement
    } from './util/index'
    import Data from './dom/data'
    import EventHandler from './dom/event-handler'

    /**
     * ------------------------------------------------------------------------
     * Constants
     * ------------------------------------------------------------------------
     */

    const NAME = 'alert'
    const VERSION = '3.2.2'
    const DATA_KEY = 'coreui.alert'
    const EVENT_KEY = `.${DATA_KEY}`
    const DATA_API_KEY = '.data-api'

    const SELECTOR_DISMISS = '[data-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 CLASSNAME_ALERT = 'alert'
    const CLASSNAME_FADE = 'fade'
    const CLASSNAME_SHOW = 'show'

    /**
     * ------------------------------------------------------------------------
     * Class Definition
     * ------------------------------------------------------------------------
     */

    class Alert {
      constructor(element) {
        this._element = element

        if (this._element) {
          Data.setData(element, DATA_KEY, this)
        }
      }

      // Getters

      static get VERSION() {
        return VERSION
      }

      // 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)
      }

      dispose() {
        Data.removeData(this._element, DATA_KEY)
        this._element = null
      }

      // Private

      _getRootElement(element) {
        return getElementFromSelector(element) || element.closest(`.${CLASSNAME_ALERT}`)
      }

      _triggerCloseEvent(element) {
        return EventHandler.trigger(element, EVENT_CLOSE)
      }

      _removeElement(element) {
        element.classList.remove(CLASSNAME_SHOW)

        if (!element.classList.contains(CLASSNAME_FADE)) {
          this._destroyElement(element)
          return
        }

        const transitionDuration = getTransitionDurationFromElement(element)

        EventHandler.one(element, TRANSITION_END, () => this._destroyElement(element))
        emulateTransitionEnd(element, transitionDuration)
      }

      _destroyElement(element) {
        Eif (element.parentNode) {
          element.parentNode.removeChild(element)
        }

        EventHandler.trigger(element, EVENT_CLOSED)
      }

      // Static

      static jQueryInterface(config) {
        return this.each(function () {
          let data = Data.getData(this, DATA_KEY)

          if (!data) {
            data = new Alert(this)
          }

          if (config === 'close') {
            data[config](this)
          }
        })
      }

      static handleDismiss(alertInstance) {
        return function (event) {
          Eif (event) {
            event.preventDefault()
          }

          alertInstance.close(this)
        }
      }

      static getInstance(element) {
        return Data.getData(element, DATA_KEY)
      }
    }

    /**
     * ------------------------------------------------------------------------
     * Data Api implementation
     * ------------------------------------------------------------------------
     */
    EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DISMISS, Alert.handleDismiss(new Alert()))

    const $ = getjQuery()

    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     * add .alert to jQuery only if jQuery is present
     */

    /* istanbul ignore if */
    if ($) {
      const JQUERY_NO_CONFLICT = $.fn[NAME]
      $.fn[NAME] = Alert.jQueryInterface
      $.fn[NAME].Constructor = Alert
      $.fn[NAME].noConflict = () => {
        $.fn[NAME] = JQUERY_NO_CONFLICT
        return Alert.jQueryInterface
      }
    }

    export default Alert