# All files / src toast.js

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96.55% Branches 28/29
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     /**
     * --------------------------------------------------------------------------
     * CoreUI (v3.3.0): toast.js
     * Licensed under MIT (https://coreui.io/license)
     *
     * This component is a modified version of the Bootstrap's toast.js
     * Bootstrap (v5.0.0): toast.js
     * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
     * --------------------------------------------------------------------------
     */

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

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

    const NAME = 'toast'
    const VERSION = '3.2.2'
    const DATA_KEY = 'coreui.toast'
    const EVENT_KEY = `.${DATA_KEY}`

    const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`
    const EVENT_HIDE = `hide${EVENT_KEY}`
    const EVENT_HIDDEN = `hidden${EVENT_KEY}`
    const EVENT_SHOW = `show${EVENT_KEY}`
    const EVENT_SHOWN = `shown${EVENT_KEY}`

    const CLASS_NAME_FADE = 'fade'
    const CLASS_NAME_HIDE = 'hide'
    const CLASS_NAME_SHOW = 'show'
    const CLASS_NAME_SHOWING = 'showing'

    const DefaultType = {
      animation: 'boolean',
      autohide: 'boolean',
      delay: 'number'
    }

    const Default = {
      animation: true,
      autohide: true,
      delay: 5000
    }

    const SELECTOR_DATA_DISMISS = '[data-dismiss="toast"]'

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

    class Toast {
      constructor(element, config) {
        this._element = element
        this._config = this._getConfig(config)
        this._timeout = null
        this._setListeners()
        Data.setData(element, DATA_KEY, this)
      }

      // Getters

      static get VERSION() {
        return VERSION
      }

      static get DefaultType() {
        return DefaultType
      }

      static get Default() {
        return Default
      }

      // Public

      show() {
        const showEvent = EventHandler.trigger(this._element, EVENT_SHOW)

        if (showEvent.defaultPrevented) {
          return
        }

        this._clearTimeout()

        if (this._config.animation) {
          this._element.classList.add(CLASS_NAME_FADE)
        }

        const complete = () => {
          this._element.classList.remove(CLASS_NAME_SHOWING)
          this._element.classList.add(CLASS_NAME_SHOW)

          EventHandler.trigger(this._element, EVENT_SHOWN)

          if (this._config.autohide) {
            this._timeout = setTimeout(() => {
              this.hide()
            }, this._config.delay)
          }
        }

        this._element.classList.remove(CLASS_NAME_HIDE)
        reflow(this._element)
        this._element.classList.add(CLASS_NAME_SHOWING)
        if (this._config.animation) {
          const transitionDuration = getTransitionDurationFromElement(this._element)

          EventHandler.one(this._element, TRANSITION_END, complete)
          emulateTransitionEnd(this._element, transitionDuration)
        } else {
          complete()
        }
      }

      hide() {
        if (!this._element.classList.contains(CLASS_NAME_SHOW)) {
          return
        }

        const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE)

        if (hideEvent.defaultPrevented) {
          return
        }

        const complete = () => {
          this._element.classList.add(CLASS_NAME_HIDE)
          EventHandler.trigger(this._element, EVENT_HIDDEN)
        }

        this._element.classList.remove(CLASS_NAME_SHOW)
        if (this._config.animation) {
          const transitionDuration = getTransitionDurationFromElement(this._element)

          EventHandler.one(this._element, TRANSITION_END, complete)
          emulateTransitionEnd(this._element, transitionDuration)
        } else {
          complete()
        }
      }

      dispose() {
        this._clearTimeout()

        if (this._element.classList.contains(CLASS_NAME_SHOW)) {
          this._element.classList.remove(CLASS_NAME_SHOW)
        }

        EventHandler.off(this._element, EVENT_CLICK_DISMISS)
        Data.removeData(this._element, DATA_KEY)

        this._element = null
        this._config = null
      }

      // Private

      _getConfig(config) {
        config = {
          ...Default,
          ...Manipulator.getDataAttributes(this._element),
          ...(typeof config === 'object' && config ? config : {})
        }

        typeCheckConfig(
          NAME,
          config,
          this.constructor.DefaultType
        )

        return config
      }

      _setListeners() {
        EventHandler.on(this._element, EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, () => this.hide())
      }

      _clearTimeout() {
        clearTimeout(this._timeout)
        this._timeout = null
      }

      // Static

      static jQueryInterface(config) {
        return this.each(function () {
          let data = Data.getData(this, DATA_KEY)
          const _config = typeof config === 'object' && config

          if (!data) {
            data = new Toast(this, _config)
          }

          if (typeof config === 'string') {
            if (typeof data[config] === 'undefined') {
              throw new TypeError(`No method named "${config}"`)
            }

            data[config](this)
          }
        })
      }

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

    const $ = getjQuery()

    /**
     * ------------------------------------------------------------------------
     * jQuery
     * ------------------------------------------------------------------------
     *  add .toast to jQuery only if jQuery is present
     */
    /* istanbul ignore if */
    if ($) {
      const JQUERY_NO_CONFLICT = $.fn[NAME]
      $.fn[NAME] = Toast.jQueryInterface
      $.fn[NAME].Constructor = Toast
      $.fn[NAME].noConflict = () => {
        $.fn[NAME] = JQUERY_NO_CONFLICT
        return Toast.jQueryInterface
      }
    }

    export default Toast