mirror of https://github.com/twbs/bootstrap.git
121 lines
2.8 KiB
JavaScript
121 lines
2.8 KiB
JavaScript
/**
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* --------------------------------------------------------------------------
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* Bootstrap (v5.0.0-alpha2): button.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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import { getjQuery } from './util/index'
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import Data from './dom/data'
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import EventHandler from './dom/event-handler'
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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const NAME = 'button'
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const VERSION = '5.0.0-alpha2'
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const DATA_KEY = 'bs.button'
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const EVENT_KEY = `.${DATA_KEY}`
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const DATA_API_KEY = '.data-api'
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const CLASS_NAME_ACTIVE = 'active'
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const SELECTOR_DATA_TOGGLE = '[data-toggle="button"]'
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const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
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/**
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* ------------------------------------------------------------------------
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* Class Definition
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* ------------------------------------------------------------------------
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*/
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class Button {
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constructor(element) {
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this._element = element
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Data.setData(element, DATA_KEY, this)
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}
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// Getters
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static get VERSION() {
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return VERSION
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}
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// Public
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toggle() {
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// Toggle class and sync the `aria-pressed` attribute with the return value of the `.toggle()` method
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this._element.setAttribute('aria-pressed', this._element.classList.toggle(CLASS_NAME_ACTIVE))
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}
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dispose() {
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Data.removeData(this._element, DATA_KEY)
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this._element = null
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}
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// Static
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static jQueryInterface(config) {
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return this.each(function () {
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let data = Data.getData(this, DATA_KEY)
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if (!data) {
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data = new Button(this)
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}
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if (config === 'toggle') {
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data[config]()
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}
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})
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}
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static getInstance(element) {
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return Data.getData(element, DATA_KEY)
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}
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}
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/**
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* ------------------------------------------------------------------------
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* Data Api implementation
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* ------------------------------------------------------------------------
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*/
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EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, event => {
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event.preventDefault()
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const button = event.target.closest(SELECTOR_DATA_TOGGLE)
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let data = Data.getData(button, DATA_KEY)
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if (!data) {
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data = new Button(button)
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}
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data.toggle()
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})
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const $ = getjQuery()
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/**
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* ------------------------------------------------------------------------
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* jQuery
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* ------------------------------------------------------------------------
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* add .button to jQuery only if jQuery is present
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*/
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/* istanbul ignore if */
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if ($) {
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const JQUERY_NO_CONFLICT = $.fn[NAME]
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$.fn[NAME] = Button.jQueryInterface
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$.fn[NAME].Constructor = Button
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$.fn[NAME].noConflict = () => {
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$.fn[NAME] = JQUERY_NO_CONFLICT
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return Button.jQueryInterface
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}
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}
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export default Button
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