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
|
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.0.0-beta1): 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.getData(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
|