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fix tooltips disappearing after trying to interact during their fade out animation #33289

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merged 4 commits into from Mar 16, 2021
Merged

fix tooltips disappearing after trying to interact during their fade out animation #33289

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7bf66f5
prevent tooltip from being deleted on quick re-activations
RyanBerliner Mar 6, 2021
70a68f0
prevent quick interactions from misplacing tooltips
RyanBerliner Mar 6, 2021
34620ce
reuse existing popper on show during tooltip fadeout
RyanBerliner Mar 7, 2021
0bd32a3
only trigger tooltip inserted event on true dom insert
RyanBerliner Mar 7, 2021
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15 changes: 11 additions & 4 deletions js/src/tooltip.js
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Expand Up @@ -279,11 +279,14 @@ class Tooltip extends BaseComponent {

if (!this._element.ownerDocument.documentElement.contains(this.tip)) {
container.appendChild(tip)
EventHandler.trigger(this._element, this.constructor.Event.INSERTED)
}

EventHandler.trigger(this._element, this.constructor.Event.INSERTED)

this._popper = Popper.createPopper(this._element, tip, this._getPopperConfig(attachment))
if (this._popper) {
this._popper.update()
} else {
this._popper = Popper.createPopper(this._element, tip, this._getPopperConfig(attachment))
}

tip.classList.add(CLASS_NAME_SHOW)

Expand Down Expand Up @@ -329,6 +332,10 @@ class Tooltip extends BaseComponent {

const tip = this.getTipElement()
const complete = () => {
if (this._isWithActiveTrigger()) {
return
}

if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {
tip.parentNode.removeChild(tip)
}
Expand Down Expand Up @@ -646,7 +653,7 @@ class Tooltip extends BaseComponent {
if (event) {
context._activeTrigger[
event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER
] = false
] = context._element.contains(event.relatedTarget)
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}

if (context._isWithActiveTrigger()) {
Expand Down
94 changes: 94 additions & 0 deletions js/tests/unit/tooltip.spec.js
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Expand Up @@ -708,6 +708,100 @@ describe('Tooltip', () => {
tooltipEl.dispatchEvent(createEvent('mouseover'))
})

it('should not hide tooltip if leave event occurs and interaction remains inside trigger', done => {
fixtureEl.innerHTML = [
'<a href="#" rel="tooltip" title="Another tooltip">',
'<b>Trigger</b>',
'the tooltip',
'</a>'
]

const tooltipEl = fixtureEl.querySelector('a')
const tooltip = new Tooltip(tooltipEl)
const triggerChild = tooltipEl.querySelector('b')

spyOn(tooltip, 'hide').and.callThrough()

tooltipEl.addEventListener('mouseover', () => {
const moveMouseToChildEvent = createEvent('mouseout')
Object.defineProperty(moveMouseToChildEvent, 'relatedTarget', {
value: triggerChild
})

tooltipEl.dispatchEvent(moveMouseToChildEvent)
})

tooltipEl.addEventListener('mouseout', () => {
expect(tooltip.hide).not.toHaveBeenCalled()
done()
})

tooltipEl.dispatchEvent(createEvent('mouseover'))
})

it('should properly maintain tooltip state if leave event occurs and enter event occurs during hide transition', done => {
// Style this tooltip to give it plenty of room for popper to do what it wants
fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip" data-bs-placement="top" style="position:fixed;left:50%;top:50%;">Trigger</a>'

const tooltipEl = fixtureEl.querySelector('a')
const tooltip = new Tooltip(tooltipEl)

spyOn(window, 'getComputedStyle').and.returnValue({
transitionDuration: '0.15s',
transitionDelay: '0s'
})

setTimeout(() => {
expect(tooltip._popper).not.toBeNull()
expect(tooltip.getTipElement().getAttribute('data-popper-placement')).toBe('top')
tooltipEl.dispatchEvent(createEvent('mouseout'))

setTimeout(() => {
expect(tooltip.getTipElement().classList.contains('show')).toEqual(false)
tooltipEl.dispatchEvent(createEvent('mouseover'))
}, 100)

setTimeout(() => {
expect(tooltip._popper).not.toBeNull()
expect(tooltip.getTipElement().getAttribute('data-popper-placement')).toBe('top')
done()
}, 200)
}, 0)
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@RyanBerliner can you leave a comment on top of first time-out explaining its purpose with zero delay? Or replace zero timeout with 1milisec

I suppose you wrote it like this to give a minimum time to Tooltip to be rendered

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tbh, I know it's not a good reason, but I did it this way because it matches styling from this existing tooltip test. And given that the following is true:

setTimout(() => console.log('here 1'), 0)
console.log('here 2')

------ Outputs ------

"here 2"
"here 1"

I figured that it's the preferred syntax in this case. I can change it, but if I do it should probably be changed in the other tests as well for consistency?

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@GeoSot GeoSot Mar 12, 2021 •
edited

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Good point.
Personally I would prefer at least the zero to be 1 but I think,cc/ @XhmikosR the monster of code consistency, will give us his opinion

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Would be nice to streamline these but in a separate PR after this. For now, I just want us to merge this and any other beta3 PRs so that we release beta3 next week :)


tooltipEl.dispatchEvent(createEvent('mouseover'))
})

it('should only trigger inserted event if a new tooltip element was created', done => {
fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip">'

const tooltipEl = fixtureEl.querySelector('a')
const tooltip = new Tooltip(tooltipEl)

spyOn(window, 'getComputedStyle').and.returnValue({
transitionDuration: '0.15s',
transitionDelay: '0s'
})

const insertedFunc = jasmine.createSpy()
tooltipEl.addEventListener('inserted.bs.tooltip', insertedFunc)

setTimeout(() => {
expect(insertedFunc).toHaveBeenCalledTimes(1)
tooltip.hide()

setTimeout(() => {
tooltip.show()
}, 100)

setTimeout(() => {
expect(insertedFunc).toHaveBeenCalledTimes(1)
done()
}, 200)
}, 0)

tooltip.show()
})

it('should show a tooltip with custom class provided in data attributes', done => {
fixtureEl.innerHTML = '<a href="#" rel="tooltip" title="Another tooltip" data-bs-custom-class="custom-class">'

Expand Down