162 lines
4.1 KiB
JavaScript
162 lines
4.1 KiB
JavaScript
import $ from 'jquery'
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.0.0): util.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* --------------------------------------------------------------------------
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*/
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const Util = (($) => {
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/**
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* ------------------------------------------------------------------------
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* Private TransitionEnd Helpers
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* ------------------------------------------------------------------------
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*/
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let transition = false
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const MAX_UID = 1000000
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// Shoutout AngusCroll (https://goo.gl/pxwQGp)
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function toType(obj) {
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return {}.toString.call(obj).match(/\s([a-zA-Z]+)/)[1].toLowerCase()
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}
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function getSpecialTransitionEndEvent() {
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return {
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bindType: transition.end,
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delegateType: transition.end,
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handle(event) {
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if ($(event.target).is(this)) {
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return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params
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}
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return undefined // eslint-disable-line no-undefined
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}
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}
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}
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function transitionEndTest() {
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if (typeof window !== 'undefined' && window.QUnit) {
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return false
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}
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return {
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end: 'transitionend'
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}
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}
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function transitionEndEmulator(duration) {
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let called = false
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$(this).one(Util.TRANSITION_END, () => {
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called = true
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})
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setTimeout(() => {
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if (!called) {
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Util.triggerTransitionEnd(this)
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}
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}, duration)
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return this
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}
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function setTransitionEndSupport() {
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transition = transitionEndTest()
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$.fn.emulateTransitionEnd = transitionEndEmulator
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if (Util.supportsTransitionEnd()) {
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$.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()
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}
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}
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function escapeId(selector) {
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// We escape IDs in case of special selectors (selector = '#myId:something')
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// $.escapeSelector does not exist in jQuery < 3
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selector = typeof $.escapeSelector === 'function' ? $.escapeSelector(selector).substr(1)
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: selector.replace(/(:|\.|\[|\]|,|=|@)/g, '\\$1')
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return selector
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}
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/**
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* --------------------------------------------------------------------------
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* Public Util Api
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* --------------------------------------------------------------------------
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*/
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const Util = {
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TRANSITION_END: 'bsTransitionEnd',
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getUID(prefix) {
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do {
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// eslint-disable-next-line no-bitwise
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prefix += ~~(Math.random() * MAX_UID) // "~~" acts like a faster Math.floor() here
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} while (document.getElementById(prefix))
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return prefix
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},
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getSelectorFromElement(element) {
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let selector = element.getAttribute('data-target')
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if (!selector || selector === '#') {
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selector = element.getAttribute('href') || ''
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}
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// If it's an ID
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if (selector.charAt(0) === '#') {
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selector = escapeId(selector)
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}
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try {
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const $selector = $(document).find(selector)
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return $selector.length > 0 ? selector : null
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} catch (err) {
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return null
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}
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},
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reflow(element) {
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return element.offsetHeight
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},
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triggerTransitionEnd(element) {
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$(element).trigger(transition.end)
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},
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supportsTransitionEnd() {
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return Boolean(transition)
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},
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isElement(obj) {
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return (obj[0] || obj).nodeType
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},
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typeCheckConfig(componentName, config, configTypes) {
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for (const property in configTypes) {
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if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
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const expectedTypes = configTypes[property]
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const value = config[property]
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const valueType = value && Util.isElement(value)
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? 'element' : toType(value)
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if (!new RegExp(expectedTypes).test(valueType)) {
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throw new Error(
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`${componentName.toUpperCase()}: ` +
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`Option "${property}" provided type "${valueType}" ` +
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`but expected type "${expectedTypes}".`)
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}
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}
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}
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}
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}
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setTransitionEndSupport()
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return Util
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})($)
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export default Util
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