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-rw-r--r--vendor/twbs/bootstrap/js/src/util.js152
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diff --git a/vendor/twbs/bootstrap/js/src/util.js b/vendor/twbs/bootstrap/js/src/util.js
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+import $ from 'jquery'
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.1.3): util.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+const Util = (($) => {
+ /**
+ * ------------------------------------------------------------------------
+ * Private TransitionEnd Helpers
+ * ------------------------------------------------------------------------
+ */
+
+ const TRANSITION_END = 'transitionend'
+ const MAX_UID = 1000000
+ const MILLISECONDS_MULTIPLIER = 1000
+
+ // Shoutout AngusCroll (https://goo.gl/pxwQGp)
+ function toType(obj) {
+ return {}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase()
+ }
+
+ function getSpecialTransitionEndEvent() {
+ return {
+ bindType: TRANSITION_END,
+ delegateType: TRANSITION_END,
+ handle(event) {
+ if ($(event.target).is(this)) {
+ return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params
+ }
+ return undefined // eslint-disable-line no-undefined
+ }
+ }
+ }
+
+ function transitionEndEmulator(duration) {
+ let called = false
+
+ $(this).one(Util.TRANSITION_END, () => {
+ called = true
+ })
+
+ setTimeout(() => {
+ if (!called) {
+ Util.triggerTransitionEnd(this)
+ }
+ }, duration)
+
+ return this
+ }
+
+ function setTransitionEndSupport() {
+ $.fn.emulateTransitionEnd = transitionEndEmulator
+ $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()
+ }
+
+ /**
+ * --------------------------------------------------------------------------
+ * Public Util Api
+ * --------------------------------------------------------------------------
+ */
+
+ const Util = {
+
+ TRANSITION_END: 'bsTransitionEnd',
+
+ getUID(prefix) {
+ do {
+ // eslint-disable-next-line no-bitwise
+ prefix += ~~(Math.random() * MAX_UID) // "~~" acts like a faster Math.floor() here
+ } while (document.getElementById(prefix))
+ return prefix
+ },
+
+ getSelectorFromElement(element) {
+ let selector = element.getAttribute('data-target')
+ if (!selector || selector === '#') {
+ selector = element.getAttribute('href') || ''
+ }
+
+ try {
+ return document.querySelector(selector) ? selector : null
+ } catch (err) {
+ return null
+ }
+ },
+
+ getTransitionDurationFromElement(element) {
+ if (!element) {
+ return 0
+ }
+
+ // Get transition-duration of the element
+ let transitionDuration = $(element).css('transition-duration')
+ const floatTransitionDuration = parseFloat(transitionDuration)
+
+ // Return 0 if element or transition duration is not found
+ if (!floatTransitionDuration) {
+ return 0
+ }
+
+ // If multiple durations are defined, take the first
+ transitionDuration = transitionDuration.split(',')[0]
+
+ return parseFloat(transitionDuration) * MILLISECONDS_MULTIPLIER
+ },
+
+ reflow(element) {
+ return element.offsetHeight
+ },
+
+ triggerTransitionEnd(element) {
+ $(element).trigger(TRANSITION_END)
+ },
+
+ // TODO: Remove in v5
+ supportsTransitionEnd() {
+ return Boolean(TRANSITION_END)
+ },
+
+ isElement(obj) {
+ return (obj[0] || obj).nodeType
+ },
+
+ typeCheckConfig(componentName, config, configTypes) {
+ for (const property in configTypes) {
+ if (Object.prototype.hasOwnProperty.call(configTypes, property)) {
+ const expectedTypes = configTypes[property]
+ const value = config[property]
+ const valueType = value && Util.isElement(value)
+ ? 'element' : toType(value)
+
+ if (!new RegExp(expectedTypes).test(valueType)) {
+ throw new Error(
+ `${componentName.toUpperCase()}: ` +
+ `Option "${property}" provided type "${valueType}" ` +
+ `but expected type "${expectedTypes}".`)
+ }
+ }
+ }
+ }
+ }
+
+ setTransitionEndSupport()
+
+ return Util
+})($)
+
+export default Util