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* --------------------------------------------------------------------------
* Bootstrap (v5.2.3): tooltip.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
import * as Popper from '@popperjs/core'
import { defineJQueryPlugin, findShadowRoot, getElement, getUID, isRTL, noop } from './util/index'
import { DefaultAllowlist } from './util/sanitizer'
import EventHandler from './dom/event-handler'
import Manipulator from './dom/manipulator'
import BaseComponent from './base-component'
import TemplateFactory from './util/template-factory'
/**
* Constants
*/
const NAME = 'tooltip'
const DISALLOWED_ATTRIBUTES = new Set(['sanitize', 'allowList', 'sanitizeFn'])
const CLASS_NAME_FADE = 'fade'
const CLASS_NAME_MODAL = 'modal'
const CLASS_NAME_SHOW = 'show'
const SELECTOR_TOOLTIP_INNER = '.tooltip-inner'
const SELECTOR_MODAL = `.${CLASS_NAME_MODAL}`
const EVENT_MODAL_HIDE = 'hide.bs.modal'
const TRIGGER_HOVER = 'hover'
const TRIGGER_FOCUS = 'focus'
const TRIGGER_CLICK = 'click'
const TRIGGER_MANUAL = 'manual'
const EVENT_HIDE = 'hide'
const EVENT_HIDDEN = 'hidden'
const EVENT_SHOW = 'show'
const EVENT_SHOWN = 'shown'
const EVENT_INSERTED = 'inserted'
const EVENT_CLICK = 'click'
const EVENT_FOCUSIN = 'focusin'
const EVENT_FOCUSOUT = 'focusout'
const EVENT_MOUSEENTER = 'mouseenter'
const EVENT_MOUSELEAVE = 'mouseleave'
const AttachmentMap = {
AUTO: 'auto',
TOP: 'top',
RIGHT: isRTL() ? 'left' : 'right',
BOTTOM: 'bottom',
LEFT: isRTL() ? 'right' : 'left'
}
const Default = {
allowList: DefaultAllowlist,
animation: true,
boundary: 'clippingParents',
container: false,
customClass: '',
delay: 0,
fallbackPlacements: ['top', 'right', 'bottom', 'left'],
html: false,
offset: [0, 0],
placement: 'top',
popperConfig: null,
sanitize: true,
sanitizeFn: null,
selector: false,
template: '<div class="tooltip" role="tooltip">' +
'<div class="tooltip-arrow"></div>' +
'<div class="tooltip-inner"></div>' +
'</div>',
title: '',
trigger: 'hover focus'
}
const DefaultType = {
allowList: 'object',
animation: 'boolean',
boundary: '(string|element)',
container: '(string|element|boolean)',
customClass: '(string|function)',
delay: '(number|object)',
fallbackPlacements: 'array',
html: 'boolean',
offset: '(array|string|function)',
placement: '(string|function)',
popperConfig: '(null|object|function)',
sanitize: 'boolean',
sanitizeFn: '(null|function)',
selector: '(string|boolean)',
template: 'string',
title: '(string|element|function)',
trigger: 'string'
}
/**
* Class definition
*/
class Tooltip extends BaseComponent {
constructor(element, config) {
Iif (typeof Popper === 'undefined') {
throw new TypeError('Bootstrap\'s tooltips require Popper (https://popper.js.org)')
}
super(element, config)
// Private
this._isEnabled = true
this._timeout = 0
this._isHovered = null
this._activeTrigger = {}
this._popper = null
this._templateFactory = null
this._newContent = null
// Protected
this.tip = null
this._setListeners()
if (!this._config.selector) {
this._fixTitle()
}
}
// Getters
static get Default() {
return Default
}
static get DefaultType() {
return DefaultType
}
static get NAME() {
return NAME
}
// Public
enable() {
this._isEnabled = true
}
disable() {
this._isEnabled = false
}
toggleEnabled() {
this._isEnabled = !this._isEnabled
}
toggle() {
if (!this._isEnabled) {
return
}
this._activeTrigger.click = !this._activeTrigger.click
if (this._isShown()) {
this._leave()
return
}
this._enter()
}
dispose() {
clearTimeout(this._timeout)
EventHandler.off(this._element.closest(SELECTOR_MODAL), EVENT_MODAL_HIDE, this._hideModalHandler)
if (this._element.getAttribute('data-bs-original-title')) {
this._element.setAttribute('title', this._element.getAttribute('data-bs-original-title'))
}
this._disposePopper()
super.dispose()
}
show() {
if (this._element.style.display === 'none') {
throw new Error('Please use show on visible elements')
}
if (!(this._isWithContent() && this._isEnabled)) {
return
}
const showEvent = EventHandler.trigger(this._element, this.constructor.eventName(EVENT_SHOW))
const shadowRoot = findShadowRoot(this._element)
const isInTheDom = (shadowRoot || this._element.ownerDocument.documentElement).contains(this._element)
if (showEvent.defaultPrevented || !isInTheDom) {
return
}
// todo v6 remove this OR make it optional
this._disposePopper()
const tip = this._getTipElement()
this._element.setAttribute('aria-describedby', tip.getAttribute('id'))
const { container } = this._config
Eif (!this._element.ownerDocument.documentElement.contains(this.tip)) {
container.append(tip)
EventHandler.trigger(this._element, this.constructor.eventName(EVENT_INSERTED))
}
this._popper = this._createPopper(tip)
tip.classList.add(CLASS_NAME_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) {
for (const element of [].concat(...document.body.children)) {
EventHandler.on(element, 'mouseover', noop)
}
}
const complete = () => {
EventHandler.trigger(this._element, this.constructor.eventName(EVENT_SHOWN))
if (this._isHovered === false) {
this._leave()
}
this._isHovered = false
}
this._queueCallback(complete, this.tip, this._isAnimated())
}
hide() {
if (!this._isShown()) {
return
}
const hideEvent = EventHandler.trigger(this._element, this.constructor.eventName(EVENT_HIDE))
if (hideEvent.defaultPrevented) {
return
}
const tip = this._getTipElement()
tip.classList.remove(CLASS_NAME_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) {
for (const element of [].concat(...document.body.children)) {
EventHandler.off(element, 'mouseover', noop)
}
}
this._activeTrigger[TRIGGER_CLICK] = false
this._activeTrigger[TRIGGER_FOCUS] = false
this._activeTrigger[TRIGGER_HOVER] = false
this._isHovered = null // it is a trick to support manual triggering
const complete = () => {
if (this._isWithActiveTrigger()) {
return
}
Eif (!this._isHovered) {
this._disposePopper()
}
this._element.removeAttribute('aria-describedby')
EventHandler.trigger(this._element, this.constructor.eventName(EVENT_HIDDEN))
}
this._queueCallback(complete, this.tip, this._isAnimated())
}
update() {
if (this._popper) {
this._popper.update()
}
}
// Protected
_isWithContent() {
return Boolean(this._getTitle())
}
_getTipElement() {
if (!this.tip) {
this.tip = this._createTipElement(this._newContent || this._getContentForTemplate())
}
return this.tip
}
_createTipElement(content) {
const tip = this._getTemplateFactory(content).toHtml()
// todo: remove this check on v6
Iif (!tip) {
return null
}
tip.classList.remove(CLASS_NAME_FADE, CLASS_NAME_SHOW)
// todo: on v6 the following can be achieved with CSS only
tip.classList.add(`bs-${this.constructor.NAME}-auto`)
const tipId = getUID(this.constructor.NAME).toString()
tip.setAttribute('id', tipId)
if (this._isAnimated()) {
tip.classList.add(CLASS_NAME_FADE)
}
return tip
}
setContent(content) {
this._newContent = content
if (this._isShown()) {
this._disposePopper()
this.show()
}
}
_getTemplateFactory(content) {
if (this._templateFactory) {
this._templateFactory.changeContent(content)
} else {
this._templateFactory = new TemplateFactory({
...this._config,
// the `content` var has to be after `this._config`
// to override config.content in case of popover
content,
extraClass: this._resolvePossibleFunction(this._config.customClass)
})
}
return this._templateFactory
}
_getContentForTemplate() {
return {
[SELECTOR_TOOLTIP_INNER]: this._getTitle()
}
}
_getTitle() {
return this._resolvePossibleFunction(this._config.title) || this._element.getAttribute('data-bs-original-title')
}
// Private
_initializeOnDelegatedTarget(event) {
return this.constructor.getOrCreateInstance(event.delegateTarget, this._getDelegateConfig())
}
_isAnimated() {
return this._config.animation || (this.tip && this.tip.classList.contains(CLASS_NAME_FADE))
}
_isShown() {
return this.tip && this.tip.classList.contains(CLASS_NAME_SHOW)
}
_createPopper(tip) {
const placement = typeof this._config.placement === 'function' ?
this._config.placement.call(this, tip, this._element) :
this._config.placement
const attachment = AttachmentMap[placement.toUpperCase()]
return Popper.createPopper(this._element, tip, this._getPopperConfig(attachment))
}
_getOffset() {
const { offset } = this._config
if (typeof offset === 'string') {
return offset.split(',').map(value => Number.parseInt(value, 10))
}
if (typeof offset === 'function') {
return popperData => offset(popperData, this._element)
}
return offset
}
_resolvePossibleFunction(arg) {
return typeof arg === 'function' ? arg.call(this._element) : arg
}
_getPopperConfig(attachment) {
const defaultBsPopperConfig = {
placement: attachment,
modifiers: [
{
name: 'flip',
options: {
fallbackPlacements: this._config.fallbackPlacements
}
},
{
name: 'offset',
options: {
offset: this._getOffset()
}
},
{
name: 'preventOverflow',
options: {
boundary: this._config.boundary
}
},
{
name: 'arrow',
options: {
element: `.${this.constructor.NAME}-arrow`
}
},
{
name: 'preSetPlacement',
enabled: true,
phase: 'beforeMain',
fn: data => {
// Pre-set Popper's placement attribute in order to read the arrow sizes properly.
// Otherwise, Popper mixes up the width and height dimensions since the initial arrow style is for top placement
this._getTipElement().setAttribute('data-popper-placement', data.state.placement)
}
}
]
}
return {
...defaultBsPopperConfig,
...(typeof this._config.popperConfig === 'function' ? this._config.popperConfig(defaultBsPopperConfig) : this._config.popperConfig)
}
}
_setListeners() {
const triggers = this._config.trigger.split(' ')
for (const trigger of triggers) {
if (trigger === 'click') {
EventHandler.on(this._element, this.constructor.eventName(EVENT_CLICK), this._config.selector, event => {
const context = this._initializeOnDelegatedTarget(event)
context.toggle()
})
} else if (trigger !== TRIGGER_MANUAL) {
const eventIn = trigger === TRIGGER_HOVER ?
this.constructor.eventName(EVENT_MOUSEENTER) :
this.constructor.eventName(EVENT_FOCUSIN)
const eventOut = trigger === TRIGGER_HOVER ?
this.constructor.eventName(EVENT_MOUSELEAVE) :
this.constructor.eventName(EVENT_FOCUSOUT)
EventHandler.on(this._element, eventIn, this._config.selector, event => {
const context = this._initializeOnDelegatedTarget(event)
context._activeTrigger[event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER] = true
context._enter()
})
EventHandler.on(this._element, eventOut, this._config.selector, event => {
const context = this._initializeOnDelegatedTarget(event)
context._activeTrigger[event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER] =
context._element.contains(event.relatedTarget)
context._leave()
})
}
}
this._hideModalHandler = () => {
if (this._element) {
this.hide()
}
}
EventHandler.on(this._element.closest(SELECTOR_MODAL), EVENT_MODAL_HIDE, this._hideModalHandler)
}
_fixTitle() {
const title = this._element.getAttribute('title')
if (!title) {
return
}
if (!this._element.getAttribute('aria-label') && !this._element.textContent.trim()) {
this._element.setAttribute('aria-label', title)
}
this._element.setAttribute('data-bs-original-title', title) // DO NOT USE IT. Is only for backwards compatibility
this._element.removeAttribute('title')
}
_enter() {
if (this._isShown() || this._isHovered) {
this._isHovered = true
return
}
this._isHovered = true
this._setTimeout(() => {
Eif (this._isHovered) {
this.show()
}
}, this._config.delay.show)
}
_leave() {
if (this._isWithActiveTrigger()) {
return
}
this._isHovered = false
this._setTimeout(() => {
if (!this._isHovered) {
this.hide()
}
}, this._config.delay.hide)
}
_setTimeout(handler, timeout) {
clearTimeout(this._timeout)
this._timeout = setTimeout(handler, timeout)
}
_isWithActiveTrigger() {
return Object.values(this._activeTrigger).includes(true)
}
_getConfig(config) {
const dataAttributes = Manipulator.getDataAttributes(this._element)
for (const dataAttribute of Object.keys(dataAttributes)) {
if (DISALLOWED_ATTRIBUTES.has(dataAttribute)) {
delete dataAttributes[dataAttribute]
}
}
config = {
...dataAttributes,
...(typeof config === 'object' && config ? config : {})
}
config = this._mergeConfigObj(config)
config = this._configAfterMerge(config)
this._typeCheckConfig(config)
return config
}
_configAfterMerge(config) {
config.container = config.container === false ? document.body : getElement(config.container)
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()
}
return config
}
_getDelegateConfig() {
const config = {}
for (const key in this._config) {
if (this.constructor.Default[key] !== this._config[key]) {
config[key] = this._config[key]
}
}
config.selector = false
config.trigger = 'manual'
// In the future can be replaced with:
// const keysWithDifferentValues = Object.entries(this._config).filter(entry => this.constructor.Default[entry[0]] !== this._config[entry[0]])
// `Object.fromEntries(keysWithDifferentValues)`
return config
}
_disposePopper() {
if (this._popper) {
this._popper.destroy()
this._popper = null
}
if (this.tip) {
this.tip.remove()
this.tip = null
}
}
// Static
static jQueryInterface(config) {
return this.each(function () {
const data = Tooltip.getOrCreateInstance(this, config)
if (typeof config !== 'string') {
return
}
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${config}"`)
}
data[config]()
})
}
}
/**
* jQuery
*/
defineJQueryPlugin(Tooltip)
export default Tooltip
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