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Code Issues Releases Wiki Activity

scrollspy.js: chain functions (#35139)

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XhmikosR 2021-10-08 12:28:05 +03:00 committed by GitHub
parent 64e13162fa
commit eb0f705621
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1 changed files with 17 additions and 16 deletions
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33
js/src/scrollspy.js
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@ -110,25 +110,26 @@ class ScrollSpy extends BaseComponent {
this._scrollHeight = this._getScrollHeight()
const targets = SelectorEngine.find(SELECTOR_LINK_ITEMS, this._config.target)
.map(element => {
const targetSelector = getSelectorFromElement(element)
const target = targetSelector ? SelectorEngine.findOne(targetSelector) : null
for (const item of targets.map(element => {
const targetSelector = getSelectorFromElement(element)
const target = targetSelector ? SelectorEngine.findOne(targetSelector) : null
if (target) {
const targetBCR = target.getBoundingClientRect()
if (targetBCR.width || targetBCR.height) {
return [
Manipulator[offsetMethod](target).top + offsetBase,
targetSelector
]
if (target) {
const targetBCR = target.getBoundingClientRect()
if (targetBCR.width || targetBCR.height) {
return [
Manipulator[offsetMethod](target).top + offsetBase,
targetSelector
]
}
}
}
return null
})
.filter(item => item)
.sort((a, b) => a[0] - b[0])) {
return null
})
.filter(item => item)
.sort((a, b) => a[0] - b[0])
for (const item of targets) {
this._offsets.push(item[0])
this._targets.push(item[1])
}