/**
* --------------------------------------------------------------------------
* Bootstrap (v4.3.1): tooltip.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
import {
jQuery as $,
TRANSITION_END,
emulateTransitionEnd,
findShadowRoot,
getTransitionDurationFromElement,
getUID,
isElement,
makeArray,
noop,
typeCheckConfig
} from './util/index'
import {
DefaultWhitelist,
sanitizeHtml
} from './util/sanitizer'
import Data from './dom/data'
import EventHandler from './dom/eventHandler'
import Manipulator from './dom/manipulator'
import Popper from 'popper.js'
import SelectorEngine from './dom/selectorEngine'
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const NAME = 'tooltip'
const VERSION = '4.3.1'
const DATA_KEY = 'bs.tooltip'
const EVENT_KEY = `.${DATA_KEY}`
const CLASS_PREFIX = 'bs-tooltip'
const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')
const DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn']
const DefaultType = {
animation: 'boolean',
template: 'string',
title: '(string|element|function)',
trigger: 'string',
delay: '(number|object)',
html: 'boolean',
selector: '(string|boolean)',
placement: '(string|function)',
offset: '(number|string|function)',
container: '(string|element|boolean)',
fallbackPlacement: '(string|array)',
boundary: '(string|element)',
sanitize: 'boolean',
sanitizeFn: '(null|function)',
whiteList: 'object'
}
const AttachmentMap = {
AUTO: 'auto',
TOP: 'top',
RIGHT: 'right',
BOTTOM: 'bottom',
LEFT: 'left'
}
const Default = {
animation: true,
template: '
',
trigger: 'hover focus',
title: '',
delay: 0,
html: false,
selector: false,
placement: 'top',
offset: 0,
container: false,
fallbackPlacement: 'flip',
boundary: 'scrollParent',
sanitize: true,
sanitizeFn: null,
whiteList: DefaultWhitelist
}
const HoverState = {
SHOW: 'show',
OUT: 'out'
}
const Event = {
HIDE: `hide${EVENT_KEY}`,
HIDDEN: `hidden${EVENT_KEY}`,
SHOW: `show${EVENT_KEY}`,
SHOWN: `shown${EVENT_KEY}`,
INSERTED: `inserted${EVENT_KEY}`,
CLICK: `click${EVENT_KEY}`,
FOCUSIN: `focusin${EVENT_KEY}`,
FOCUSOUT: `focusout${EVENT_KEY}`,
MOUSEENTER: `mouseenter${EVENT_KEY}`,
MOUSELEAVE: `mouseleave${EVENT_KEY}`
}
const ClassName = {
FADE: 'fade',
SHOW: 'show'
}
const Selector = {
TOOLTIP: '.tooltip',
TOOLTIP_INNER: '.tooltip-inner',
TOOLTIP_ARROW: '.tooltip-arrow'
}
const Trigger = {
HOVER: 'hover',
FOCUS: 'focus',
CLICK: 'click',
MANUAL: 'manual'
}
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Tooltip {
constructor(element, config) {
/**
* Check for Popper dependency
* Popper - https://popper.js.org
*/
if (typeof Popper === 'undefined') {
throw new TypeError('Bootstrap\'s tooltips require Popper.js (https://popper.js.org)')
}
// private
this._isEnabled = true
this._timeout = 0
this._hoverState = ''
this._activeTrigger = {}
this._popper = null
// Protected
this.element = element
this.config = this._getConfig(config)
this.tip = null
this._setListeners()
Data.setData(element, this.constructor.DATA_KEY, this)
}
// Getters
static get VERSION() {
return VERSION
}
static get Default() {
return Default
}
static get NAME() {
return NAME
}
static get DATA_KEY() {
return DATA_KEY
}
static get Event() {
return Event
}
static get EVENT_KEY() {
return EVENT_KEY
}
static get DefaultType() {
return DefaultType
}
// Public
enable() {
this._isEnabled = true
}
disable() {
this._isEnabled = false
}
toggleEnabled() {
this._isEnabled = !this._isEnabled
}
toggle(event) {
if (!this._isEnabled) {
return
}
if (event) {
const dataKey = this.constructor.DATA_KEY
let context = Data.getData(event.delegateTarget, dataKey)
if (!context) {
context = new this.constructor(
event.delegateTarget,
this._getDelegateConfig()
)
Data.setData(event.delegateTarget, dataKey, context)
}
context._activeTrigger.click = !context._activeTrigger.click
if (context._isWithActiveTrigger()) {
context._enter(null, context)
} else {
context._leave(null, context)
}
} else {
if (this.getTipElement().classList.contains(ClassName.SHOW)) {
this._leave(null, this)
return
}
this._enter(null, this)
}
}
dispose() {
clearTimeout(this._timeout)
Data.removeData(this.element, this.constructor.DATA_KEY)
EventHandler.off(this.element, this.constructor.EVENT_KEY)
EventHandler.off(SelectorEngine.closest(this.element, '.modal'), 'hide.bs.modal')
if (this.tip) {
this.tip.parentNode.removeChild(this.tip)
}
this._isEnabled = null
this._timeout = null
this._hoverState = null
this._activeTrigger = null
if (this._popper !== null) {
this._popper.destroy()
}
this._popper = null
this.element = null
this.config = null
this.tip = null
}
show() {
if (this.element.style.display === 'none') {
throw new Error('Please use show on visible elements')
}
if (this.isWithContent() && this._isEnabled) {
const showEvent = EventHandler.trigger(this.element, this.constructor.Event.SHOW)
const shadowRoot = findShadowRoot(this.element)
const isInTheDom = shadowRoot === null ?
this.element.ownerDocument.documentElement.contains(this.element) :
shadowRoot.contains(this.element)
if (showEvent.defaultPrevented || !isInTheDom) {
return
}
const tip = this.getTipElement()
const tipId = getUID(this.constructor.NAME)
tip.setAttribute('id', tipId)
this.element.setAttribute('aria-describedby', tipId)
this.setContent()
if (this.config.animation) {
tip.classList.add(ClassName.FADE)
}
const placement = typeof this.config.placement === 'function' ?
this.config.placement.call(this, tip, this.element) :
this.config.placement
const attachment = this._getAttachment(placement)
this.addAttachmentClass(attachment)
const container = this._getContainer()
Data.setData(tip, this.constructor.DATA_KEY, this)
if (!this.element.ownerDocument.documentElement.contains(this.tip)) {
container.appendChild(tip)
}
EventHandler.trigger(this.element, this.constructor.Event.INSERTED)
this._popper = new Popper(this.element, tip, {
placement: attachment,
modifiers: {
offset: this._getOffset(),
flip: {
behavior: this.config.fallbackPlacement
},
arrow: {
element: Selector.TOOLTIP_ARROW
},
preventOverflow: {
boundariesElement: this.config.boundary
}
},
onCreate: data => {
if (data.originalPlacement !== data.placement) {
this._handlePopperPlacementChange(data)
}
},
onUpdate: data => this._handlePopperPlacementChange(data)
})
tip.classList.add(ClassName.SHOW)
// If this is a touch-enabled device we add extra
// empty mouseover listeners to the body's immediate children;
// only needed because of broken event delegation on iOS
// https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
if ('ontouchstart' in document.documentElement) {
makeArray(document.body.children).forEach(element => {
EventHandler.on(element, 'mouseover', noop())
})
}
const complete = () => {
if (this.config.animation) {
this._fixTransition()
}
const prevHoverState = this._hoverState
this._hoverState = null
EventHandler.trigger(this.element, this.constructor.Event.SHOWN)
if (prevHoverState === HoverState.OUT) {
this._leave(null, this)
}
}
if (this.tip.classList.contains(ClassName.FADE)) {
const transitionDuration = getTransitionDurationFromElement(this.tip)
EventHandler.one(this.tip, TRANSITION_END, complete)
emulateTransitionEnd(this.tip, transitionDuration)
} else {
complete()
}
}
}
hide(callback) {
const tip = this.getTipElement()
const complete = () => {
if (this._hoverState !== HoverState.SHOW && tip.parentNode) {
tip.parentNode.removeChild(tip)
}
this._cleanTipClass()
this.element.removeAttribute('aria-describedby')
EventHandler.trigger(this.element, this.constructor.Event.HIDDEN)
if (this._popper !== null) {
this._popper.destroy()
}
if (callback) {
callback()
}
}
const hideEvent = EventHandler.trigger(this.element, this.constructor.Event.HIDE)
if (hideEvent.defaultPrevented) {
return
}
tip.classList.remove(ClassName.SHOW)
// If this is a touch-enabled device we remove the extra
// empty mouseover listeners we added for iOS support
if ('ontouchstart' in document.documentElement) {
makeArray(document.body.children)
.forEach(element => EventHandler.off(element, 'mouseover', noop))
}
this._activeTrigger[Trigger.CLICK] = false
this._activeTrigger[Trigger.FOCUS] = false
this._activeTrigger[Trigger.HOVER] = false
if (this.tip.classList.contains(ClassName.FADE)) {
const transitionDuration = getTransitionDurationFromElement(tip)
EventHandler.one(tip, TRANSITION_END, complete)
emulateTransitionEnd(tip, transitionDuration)
} else {
complete()
}
this._hoverState = ''
}
update() {
if (this._popper !== null) {
this._popper.scheduleUpdate()
}
}
// Protected
isWithContent() {
return Boolean(this.getTitle())
}
addAttachmentClass(attachment) {
this.getTipElement().classList.add(`${CLASS_PREFIX}-${attachment}`)
}
getTipElement() {
if (this.tip) {
return this.tip
}
const element = document.createElement('div')
element.innerHTML = this.config.template
this.tip = element.children[0]
return this.tip
}
setContent() {
const tip = this.getTipElement()
this.setElementContent(SelectorEngine.findOne(Selector.TOOLTIP_INNER, tip), this.getTitle())
tip.classList.remove(ClassName.FADE)
tip.classList.remove(ClassName.SHOW)
}
setElementContent(element, content) {
if (element === null) {
return
}
if (typeof content === 'object' && (content.nodeType || content.jquery)) {
if (content.jquery) {
content = content[0]
}
// content is a DOM node or a jQuery
if (this.config.html) {
if (content.parentNode !== element) {
element.innerHTML = ''
element.appendChild(content)
}
} else {
element.innerText = content.textContent
}
return
}
if (this.config.html) {
if (this.config.sanitize) {
content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn)
}
element.innerHTML = content
} else {
element.innerText = content
}
}
getTitle() {
let title = this.element.getAttribute('data-original-title')
if (!title) {
title = typeof this.config.title === 'function' ?
this.config.title.call(this.element) :
this.config.title
}
return title
}
// Private
_getOffset() {
const offset = {}
if (typeof this.config.offset === 'function') {
offset.fn = data => {
data.offsets = {
...data.offsets,
...this.config.offset(data.offsets, this.element) || {}
}
return data
}
} else {
offset.offset = this.config.offset
}
return offset
}
_getContainer() {
if (this.config.container === false) {
return document.body
}
if (isElement(this.config.container)) {
return this.config.container
}
return SelectorEngine.findOne(this.config.container)
}
_getAttachment(placement) {
return AttachmentMap[placement.toUpperCase()]
}
_setListeners() {
const triggers = this.config.trigger.split(' ')
triggers.forEach(trigger => {
if (trigger === 'click') {
EventHandler.on(this.element,
this.constructor.Event.CLICK,
this.config.selector,
event => this.toggle(event)
)
} else if (trigger !== Trigger.MANUAL) {
const eventIn = trigger === Trigger.HOVER ?
this.constructor.Event.MOUSEENTER :
this.constructor.Event.FOCUSIN
const eventOut = trigger === Trigger.HOVER ?
this.constructor.Event.MOUSELEAVE :
this.constructor.Event.FOCUSOUT
EventHandler.on(this.element,
eventIn,
this.config.selector,
event => this._enter(event)
)
EventHandler.on(this.element,
eventOut,
this.config.selector,
event => this._leave(event)
)
}
})
EventHandler.on(SelectorEngine.closest(this.element, '.modal'),
'hide.bs.modal',
() => {
if (this.element) {
this.hide()
}
}
)
if (this.config.selector) {
this.config = {
...this.config,
trigger: 'manual',
selector: ''
}
} else {
this._fixTitle()
}
}
_fixTitle() {
const titleType = typeof this.element.getAttribute('data-original-title')
if (this.element.getAttribute('title') || titleType !== 'string') {
this.element.setAttribute(
'data-original-title',
this.element.getAttribute('title') || ''
)
this.element.setAttribute('title', '')
}
}
_enter(event, context) {
const dataKey = this.constructor.DATA_KEY
context = context || Data.getData(event.delegateTarget, dataKey)
if (!context) {
context = new this.constructor(
event.delegateTarget,
this._getDelegateConfig()
)
Data.setData(event.delegateTarget, dataKey, context)
}
if (event) {
context._activeTrigger[
event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER
] = true
}
if (context.getTipElement().classList.contains(ClassName.SHOW) ||
context._hoverState === HoverState.SHOW) {
context._hoverState = HoverState.SHOW
return
}
clearTimeout(context._timeout)
context._hoverState = HoverState.SHOW
if (!context.config.delay || !context.config.delay.show) {
context.show()
return
}
context._timeout = setTimeout(() => {
if (context._hoverState === HoverState.SHOW) {
context.show()
}
}, context.config.delay.show)
}
_leave(event, context) {
const dataKey = this.constructor.DATA_KEY
context = context || Data.getData(event.delegateTarget, dataKey)
if (!context) {
context = new this.constructor(
event.delegateTarget,
this._getDelegateConfig()
)
Data.setData(event.delegateTarget, dataKey, context)
}
if (event) {
context._activeTrigger[
event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER
] = false
}
if (context._isWithActiveTrigger()) {
return
}
clearTimeout(context._timeout)
context._hoverState = HoverState.OUT
if (!context.config.delay || !context.config.delay.hide) {
context.hide()
return
}
context._timeout = setTimeout(() => {
if (context._hoverState === HoverState.OUT) {
context.hide()
}
}, context.config.delay.hide)
}
_isWithActiveTrigger() {
for (const trigger in this._activeTrigger) {
if (this._activeTrigger[trigger]) {
return true
}
}
return false
}
_getConfig(config) {
const dataAttributes = Manipulator.getDataAttributes(this.element)
Object.keys(dataAttributes)
.forEach(dataAttr => {
if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {
delete dataAttributes[dataAttr]
}
})
if (config && typeof config.container === 'object' && config.container.jquery) {
config.container = config.container[0]
}
config = {
...this.constructor.Default,
...dataAttributes,
...typeof config === 'object' && config ? config : {}
}
if (typeof config.delay === 'number') {
config.delay = {
show: config.delay,
hide: config.delay
}
}
if (typeof config.title === 'number') {
config.title = config.title.toString()
}
if (typeof config.content === 'number') {
config.content = config.content.toString()
}
typeCheckConfig(
NAME,
config,
this.constructor.DefaultType
)
if (config.sanitize) {
config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn)
}
return config
}
_getDelegateConfig() {
const config = {}
if (this.config) {
for (const key in this.config) {
if (this.constructor.Default[key] !== this.config[key]) {
config[key] = this.config[key]
}
}
}
return config
}
_cleanTipClass() {
const tip = this.getTipElement()
const tabClass = tip.getAttribute('class').match(BSCLS_PREFIX_REGEX)
if (tabClass !== null && tabClass.length) {
tabClass
.map(token => token.trim())
.forEach(tClass => tip.classList.remove(tClass))
}
}
_handlePopperPlacementChange(popperData) {
const popperInstance = popperData.instance
this.tip = popperInstance.popper
this._cleanTipClass()
this.addAttachmentClass(this._getAttachment(popperData.placement))
}
_fixTransition() {
const tip = this.getTipElement()
const initConfigAnimation = this.config.animation
if (tip.getAttribute('x-placement') !== null) {
return
}
tip.classList.remove(ClassName.FADE)
this.config.animation = false
this.hide()
this.show()
this.config.animation = initConfigAnimation
}
// Static
static _jQueryInterface(config) {
return this.each(function () {
let data = Data.getData(this, DATA_KEY)
const _config = typeof config === 'object' && config
if (!data && /dispose|hide/.test(config)) {
return
}
if (!data) {
data = new Tooltip(this, _config)
}
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${config}"`)
}
data[config]()
}
})
}
static _getInstance(element) {
return Data.getData(element, DATA_KEY)
}
}
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .tooltip to jQuery only if jQuery is present
*/
if (typeof $ !== 'undefined') {
const JQUERY_NO_CONFLICT = $.fn[NAME]
$.fn[NAME] = Tooltip._jQueryInterface
$.fn[NAME].Constructor = Tooltip
$.fn[NAME].noConflict = () => {
$.fn[NAME] = JQUERY_NO_CONFLICT
return Tooltip._jQueryInterface
}
}
export default Tooltip