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/**
* --------------------------------------------------------------------------
* Bootstrap (v5.0.0-alpha1): button.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
import { getjQuery } from './util/index'
import Data from './dom/data'
import EventHandler from './dom/event-handler'
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const NAME = 'button'
const VERSION = '5.0.0-alpha1'
const DATA_KEY = 'bs.button'
const EVENT_KEY = `.${DATA_KEY}`
const DATA_API_KEY = '.data-api'
const CLASS_NAME_ACTIVE = 'active'
const SELECTOR_DATA_TOGGLE = '[data-toggle="button"]'
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Button {
constructor(element) {
this._element = element
Data.setData(element, DATA_KEY, this)
}
// Getters
static get VERSION() {
return VERSION
}
// Public
toggle() {
// Toggle class and sync the `aria-pressed` attribute with the return value of the `.toggle()` method
this._element.setAttribute('aria-pressed', this._element.classList.toggle(CLASS_NAME_ACTIVE))
}
dispose() {
Data.removeData(this._element, DATA_KEY)
this._element = null
}
// Static
static jQueryInterface(config) {
return this.each(function () {
let data = Data.getData(this, DATA_KEY)
if (!data) {
data = new Button(this)
}
if (config === 'toggle') {
data[config]()
}
})
}
static getInstance(element) {
return Data.getData(element, DATA_KEY)
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, event => {
event.preventDefault()
const button = event.target.closest(SELECTOR_DATA_TOGGLE)
let data = Data.getData(button, DATA_KEY)
if (!data) {
data = new Button(button)
}
data.toggle()
})
const $ = getjQuery()
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .button to jQuery only if jQuery is present
*/
/* istanbul ignore if */
if ($) {
const JQUERY_NO_CONFLICT = $.fn[NAME]
$.fn[NAME] = Button.jQueryInterface
$.fn[NAME].Constructor = Button
$.fn[NAME].noConflict = () => {
$.fn[NAME] = JQUERY_NO_CONFLICT
return Button.jQueryInterface
}
}
export default Button
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