aboutsummaryrefslogtreecommitdiffstats
path: root/vendor/twbs/bootstrap/js/src/alert.js
blob: f39d9d93164e10fc1a2391162e5068513655b9d8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
import $ from 'jquery'
import Util from './util'

/**
 * --------------------------------------------------------------------------
 * Bootstrap (v4.1.3): alert.js
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 * --------------------------------------------------------------------------
 */

const Alert = (($) => {
  /**
   * ------------------------------------------------------------------------
   * Constants
   * ------------------------------------------------------------------------
   */

  const NAME                = 'alert'
  const VERSION             = '4.1.3'
  const DATA_KEY            = 'bs.alert'
  const EVENT_KEY           = `.${DATA_KEY}`
  const DATA_API_KEY        = '.data-api'
  const JQUERY_NO_CONFLICT  = $.fn[NAME]

  const Selector = {
    DISMISS : '[data-dismiss="alert"]'
  }

  const Event = {
    CLOSE          : `close${EVENT_KEY}`,
    CLOSED         : `closed${EVENT_KEY}`,
    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`
  }

  const ClassName = {
    ALERT : 'alert',
    FADE  : 'fade',
    SHOW  : 'show'
  }

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

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

    // Getters

    static get VERSION() {
      return VERSION
    }

    // Public

    close(element) {
      let rootElement = this._element
      if (element) {
        rootElement = this._getRootElement(element)
      }

      const customEvent = this._triggerCloseEvent(rootElement)

      if (customEvent.isDefaultPrevented()) {
        return
      }

      this._removeElement(rootElement)
    }

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

    // Private

    _getRootElement(element) {
      const selector = Util.getSelectorFromElement(element)
      let parent     = false

      if (selector) {
        parent = document.querySelector(selector)
      }

      if (!parent) {
        parent = $(element).closest(`.${ClassName.ALERT}`)[0]
      }

      return parent
    }

    _triggerCloseEvent(element) {
      const closeEvent = $.Event(Event.CLOSE)

      $(element).trigger(closeEvent)
      return closeEvent
    }

    _removeElement(element) {
      $(element).removeClass(ClassName.SHOW)

      if (!$(element).hasClass(ClassName.FADE)) {
        this._destroyElement(element)
        return
      }

      const transitionDuration = Util.getTransitionDurationFromElement(element)

      $(element)
        .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))
        .emulateTransitionEnd(transitionDuration)
    }

    _destroyElement(element) {
      $(element)
        .detach()
        .trigger(Event.CLOSED)
        .remove()
    }

    // Static

    static _jQueryInterface(config) {
      return this.each(function () {
        const $element = $(this)
        let data       = $element.data(DATA_KEY)

        if (!data) {
          data = new Alert(this)
          $element.data(DATA_KEY, data)
        }

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

    static _handleDismiss(alertInstance) {
      return function (event) {
        if (event) {
          event.preventDefault()
        }

        alertInstance.close(this)
      }
    }
  }

  /**
   * ------------------------------------------------------------------------
   * Data Api implementation
   * ------------------------------------------------------------------------
   */

  $(document).on(
    Event.CLICK_DATA_API,
    Selector.DISMISS,
    Alert._handleDismiss(new Alert())
  )

  /**
   * ------------------------------------------------------------------------
   * jQuery
   * ------------------------------------------------------------------------
   */

  $.fn[NAME]             = Alert._jQueryInterface
  $.fn[NAME].Constructor = Alert
  $.fn[NAME].noConflict  = function () {
    $.fn[NAME] = JQUERY_NO_CONFLICT
    return Alert._jQueryInterface
  }

  return Alert
})($)

export default Alert