# All files / src popover.js

92.16% Statements 47/51
91.3% Branches 21/23
82.35% Functions 14/17
94% Lines 47/50

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

    import { getjQuery } from './util/index'
    import Data from './dom/data'
    import SelectorEngine from './dom/selector-engine'
    import Tooltip from './tooltip'

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

    const NAME = 'popover'
    const VERSION = '3.2.2'
    const DATA_KEY = 'coreui.popover'
    const EVENT_KEY = `.${DATA_KEY}`
    const CLASS_PREFIX = 'bs-popover'
    const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')

    const Default = {
      ...Tooltip.Default,
      placement: 'right',
      trigger: 'click',
      content: '',
      template: '<div class="popover" role="tooltip">' +
                  '<div class="popover-arrow"></div>' +
                  '<h3 class="popover-header"></h3>' +
                  '<div class="popover-body"></div></div>'
    }

    const DefaultType = {
      ...Tooltip.DefaultType,
      content: '(string|element|function)'
    }

    const Event = {
      HIDE: `hide${EVENT_KEY}`,
      HIDDEN: `hidden${EVENT_KEY}`,
      SHOW: `show${EVENT_KEY}`,
      SHOWN: `shown${EVENT_KEY}`,
      INSERTED: `inserted${EVENT_KEY}`,
      CLICK: `click${EVENT_KEY}`,
      FOCUSIN: `focusin${EVENT_KEY}`,
      FOCUSOUT: `focusout${EVENT_KEY}`,
      MOUSEENTER: `mouseenter${EVENT_KEY}`,
      MOUSELEAVE: `mouseleave${EVENT_KEY}`
    }

    const CLASS_NAME_FADE = 'fade'
    const CLASS_NAME_SHOW = 'show'

    const SELECTOR_TITLE = '.popover-header'
    const SELECTOR_CONTENT = '.popover-body'

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

    class Popover extends Tooltip {
      // Getters

      static get VERSION() {
        return VERSION
      }

      static get Default() {
        return Default
      }

      static get NAME() {
        return NAME
      }

      static get DATA_KEY() {
        return DATA_KEY
      }

      static get Event() {
        return Event
      }

      static get EVENT_KEY() {
        return EVENT_KEY
      }

      static get DefaultType() {
        return DefaultType
      }

      // Overrides

      isWithContent() {
        return this.getTitle() || this._getContent()
      }

      setContent() {
        const tip = this.getTipElement()

        // we use append for html objects to maintain js events
        this.setElementContent(SelectorEngine.findOne(SELECTOR_TITLE, tip), this.getTitle())
        let content = this._getContent()
        if (typeof content === 'function') {
          content = content.call(this.element)
        }

        this.setElementContent(SelectorEngine.findOne(SELECTOR_CONTENT, tip), content)

        tip.classList.remove(CLASS_NAME_FADE, CLASS_NAME_SHOW)
      }

      // Private

      _addAttachmentClass(attachment) {
        this.getTipElement().classList.add(`${CLASS_PREFIX}-${attachment}`)
      }

      _getContent() {
        return this.element.getAttribute('data-content') ||
          this.config.content
      }

      _cleanTipClass() {
        const tip = this.getTipElement()
        const tabClass = tip.getAttribute('class').match(BSCLS_PREFIX_REGEX)
        Iif (tabClass !== null && tabClass.length > 0) {
          tabClass.map(token => token.trim())
            .forEach(tClass => tip.classList.remove(tClass))
        }
      }

      // Static

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

          if (!data && /dispose|hide/.test(config)) {
            return
          }

          if (!data) {
            data = new Popover(this, _config)
            Data.setData(this, DATA_KEY, data)
          }

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

            data[config]()
          }
        })
      }

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

    const $ = getjQuery()

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

    export default Popover