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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/**
* --------------------------------------------------------------------------
* Bootstrap (v5.0.0-beta1): util/index.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
const MAX_UID = 1000000
const MILLISECONDS_MULTIPLIER = 1000
const TRANSITION_END = 'transitionend'
// Shoutout AngusCroll (https://goo.gl/pxwQGp)
const toType = obj => {
if (obj === null || obj === undefined) {
return `${obj}`
}
return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase()
}
/**
* --------------------------------------------------------------------------
* Public Util Api
* --------------------------------------------------------------------------
*/
const getUID = prefix => {
do {
prefix += Math.floor(Math.random() * MAX_UID)
} while (document.getElementById(prefix))
return prefix
}
const getSelector = element => {
let selector = element.getAttribute('data-bs-target')
if (!selector || selector === '#') {
let hrefAttr = element.getAttribute('href')
// The only valid content that could double as a selector are IDs or classes,
// so everything starting with `#` or `.`. If a "real" URL is used as the selector,
// `document.querySelector` will rightfully complain it is invalid.
// See https://github.com/twbs/bootstrap/issues/32273
if (!hrefAttr || (!hrefAttr.includes('#') && !hrefAttr.startsWith('.'))) {
return null
}
// Just in case some CMS puts out a full URL with the anchor appended
if (hrefAttr.includes('#') && !hrefAttr.startsWith('#')) {
hrefAttr = '#' + hrefAttr.split('#')[1]
}
selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : null
}
return selector
}
const getSelectorFromElement = element => {
const selector = getSelector(element)
if (selector) {
return document.querySelector(selector) ? selector : null
}
return null
}
const getElementFromSelector = element => {
const selector = getSelector(element)
return selector ? document.querySelector(selector) : null
}
const getTransitionDurationFromElement = element => {
if (!element) {
return 0
}
// Get transition-duration of the element
let { transitionDuration, transitionDelay } = window.getComputedStyle(element)
const floatTransitionDuration = Number.parseFloat(transitionDuration)
const floatTransitionDelay = Number.parseFloat(transitionDelay)
// Return 0 if element or transition duration is not found
if (!floatTransitionDuration && !floatTransitionDelay) {
return 0
}
// If multiple durations are defined, take the first
transitionDuration = transitionDuration.split(',')[0]
transitionDelay = transitionDelay.split(',')[0]
return (Number.parseFloat(transitionDuration) + Number.parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER
}
const triggerTransitionEnd = element => {
element.dispatchEvent(new Event(TRANSITION_END))
}
const isElement = obj => (obj[0] || obj).nodeType
const emulateTransitionEnd = (element, duration) => {
let called = false
const durationPadding = 5
const emulatedDuration = duration + durationPadding
function listener() {
called = true
element.removeEventListener(TRANSITION_END, listener)
}
element.addEventListener(TRANSITION_END, listener)
setTimeout(() => {
if (!called) {
triggerTransitionEnd(element)
}
}, emulatedDuration)
}
const typeCheckConfig = (componentName, config, configTypes) => {
Object.keys(configTypes).forEach(property => {
const expectedTypes = configTypes[property]
const value = config[property]
const valueType = value && isElement(value) ? 'element' : toType(value)
if (!new RegExp(expectedTypes).test(valueType)) {
throw new TypeError(
`${componentName.toUpperCase()}: ` +
`Option "${property}" provided type "${valueType}" ` +
`but expected type "${expectedTypes}".`
)
}
})
}
const isVisible = element => {
if (!element) {
return false
}
if (element.style && element.parentNode && element.parentNode.style) {
const elementStyle = getComputedStyle(element)
const parentNodeStyle = getComputedStyle(element.parentNode)
return elementStyle.display !== 'none' &&
parentNodeStyle.display !== 'none' &&
elementStyle.visibility !== 'hidden'
}
return false
}
const findShadowRoot = element => {
if (!document.documentElement.attachShadow) {
return null
}
// Can find the shadow root otherwise it'll return the document
if (typeof element.getRootNode === 'function') {
const root = element.getRootNode()
return root instanceof ShadowRoot ? root : null
}
if (element instanceof ShadowRoot) {
return element
}
// when we don't find a shadow root
if (!element.parentNode) {
return null
}
return findShadowRoot(element.parentNode)
}
const noop = () => function () {}
const reflow = element => element.offsetHeight
const getjQuery = () => {
const { jQuery } = window
if (jQuery && !document.body.hasAttribute('data-bs-no-jquery')) {
return jQuery
}
return null
}
const onDOMContentLoaded = callback => {
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', callback)
} else {
callback()
}
}
const isRTL = document.documentElement.dir === 'rtl'
const defineJQueryPlugin = (name, plugin) => {
onDOMContentLoaded(() => {
const $ = getjQuery()
/* istanbul ignore if */
if ($) {
const JQUERY_NO_CONFLICT = $.fn[name]
$.fn[name] = plugin.jQueryInterface
$.fn[name].Constructor = plugin
$.fn[name].noConflict = () => {
$.fn[name] = JQUERY_NO_CONFLICT
return plugin.jQueryInterface
}
}
})
}
export {
getUID,
getSelectorFromElement,
getElementFromSelector,
getTransitionDurationFromElement,
triggerTransitionEnd,
isElement,
emulateTransitionEnd,
typeCheckConfig,
isVisible,
findShadowRoot,
noop,
reflow,
getjQuery,
onDOMContentLoaded,
isRTL,
defineJQueryPlugin
}
|