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utils.js
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296 lines (263 loc) · 8.25 KB
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const btf = {
debounce: (func, wait = 0, immediate = false) => {
let timeout
return (...args) => {
const later = () => {
timeout = null
if (!immediate) func(...args)
}
const callNow = immediate && !timeout
clearTimeout(timeout)
timeout = setTimeout(later, wait)
if (callNow) func(...args)
}
},
throttle: function (func, wait, options = {}) {
let timeout, context, args
let previous = 0
const later = () => {
previous = options.leading === false ? 0 : new Date().getTime()
timeout = null
func.apply(context, args)
if (!timeout) context = args = null
}
const throttled = (...params) => {
const now = new Date().getTime()
if (!previous && options.leading === false) previous = now
const remaining = wait - (now - previous)
context = this
args = params
if (remaining <= 0 || remaining > wait) {
if (timeout) {
clearTimeout(timeout)
timeout = null
}
previous = now
func.apply(context, args)
if (!timeout) context = args = null
} else if (!timeout && options.trailing !== false) {
timeout = setTimeout(later, remaining)
}
}
return throttled
},
sidebarPaddingR: () => {
const innerWidth = window.innerWidth
const clientWidth = document.body.clientWidth
const paddingRight = innerWidth - clientWidth
if (innerWidth !== clientWidth) {
document.body.style.paddingRight = paddingRight + 'px'
}
},
snackbarShow: (text, showAction = false, duration = 2000) => {
const { position, bgLight, bgDark } = GLOBAL_CONFIG.Snackbar
const bg = document.documentElement.getAttribute('data-theme') === 'light' ? bgLight : bgDark
Snackbar.show({
text,
backgroundColor: bg,
showAction,
duration,
pos: position,
customClass: 'snackbar-css'
})
},
diffDate: (d, more = false) => {
const dateNow = new Date()
const datePost = new Date(d)
const dateDiff = dateNow.getTime() - datePost.getTime()
const minute = 1000 * 60
const hour = minute * 60
const day = hour * 24
const month = day * 30
const { dateSuffix } = GLOBAL_CONFIG
if (!more) return parseInt(dateDiff / day)
const monthCount = dateDiff / month
const dayCount = dateDiff / day
const hourCount = dateDiff / hour
const minuteCount = dateDiff / minute
if (monthCount > 12) return datePost.toISOString().slice(0, 10)
if (monthCount >= 1) return `${parseInt(monthCount)} ${dateSuffix.month}`
if (dayCount >= 1) return `${parseInt(dayCount)} ${dateSuffix.day}`
if (hourCount >= 1) return `${parseInt(hourCount)} ${dateSuffix.hour}`
if (minuteCount >= 1) return `${parseInt(minuteCount)} ${dateSuffix.min}`
return dateSuffix.just
},
loadComment: (dom, callback) => {
if ('IntersectionObserver' in window) {
const observerItem = new IntersectionObserver((entries) => {
if (entries[0].isIntersecting) {
callback()
observerItem.disconnect()
}
}, { threshold: [0] })
observerItem.observe(dom)
} else {
callback()
}
},
scrollToDest: (pos, time = 500) => {
const currentPos = window.pageYOffset
const isNavFixed = document.getElementById('page-header').classList.contains('fixed')
if (currentPos > pos || isNavFixed) pos = pos - 70
if ('scrollBehavior' in document.documentElement.style) {
window.scrollTo({
top: pos,
behavior: 'smooth'
})
return
}
let start = null
pos = +pos
window.requestAnimationFrame(function step (currentTime) {
start = !start ? currentTime : start
const progress = currentTime - start
if (currentPos < pos) {
window.scrollTo(0, ((pos - currentPos) * progress / time) + currentPos)
} else {
window.scrollTo(0, currentPos - ((currentPos - pos) * progress / time))
}
if (progress < time) {
window.requestAnimationFrame(step)
} else {
window.scrollTo(0, pos)
}
})
},
animateIn: (ele, text) => {
ele.style.display = 'block'
ele.style.animation = text
},
animateOut: (ele, text) => {
ele.addEventListener('animationend', function f () {
ele.style.display = ''
ele.style.animation = ''
ele.removeEventListener('animationend', f)
})
ele.style.animation = text
},
wrap: (selector, eleType, options) => {
const createEle = document.createElement(eleType)
for (const [key, value] of Object.entries(options)) {
createEle.setAttribute(key, value)
}
selector.parentNode.insertBefore(createEle, selector)
createEle.appendChild(selector)
},
isHidden: ele => ele.offsetHeight === 0 && ele.offsetWidth === 0,
getEleTop: ele => {
let actualTop = ele.offsetTop
let current = ele.offsetParent
while (current !== null) {
actualTop += current.offsetTop
current = current.offsetParent
}
return actualTop
},
loadLightbox: ele => {
const service = GLOBAL_CONFIG.lightbox
if (service === 'mediumZoom') {
mediumZoom(ele, { background: 'var(--zoom-bg)' })
}
if (service === 'fancybox') {
Array.from(ele).forEach(i => {
if (i.parentNode.tagName !== 'A') {
const dataSrc = i.dataset.lazySrc || i.src
const dataCaption = i.title || i.alt || ''
btf.wrap(i, 'a', { href: dataSrc, 'data-fancybox': 'gallery', 'data-caption': dataCaption, 'data-thumb': dataSrc })
}
})
if (!window.fancyboxRun) {
Fancybox.bind('[data-fancybox]', {
Hash: false,
Thumbs: {
showOnStart: false
},
Images: {
Panzoom: {
maxScale: 4
}
},
Carousel: {
transition: 'slide'
},
Toolbar: {
display: {
left: ['infobar'],
middle: [
'zoomIn',
'zoomOut',
'toggle1to1',
'rotateCCW',
'rotateCW',
'flipX',
'flipY'
],
right: ['slideshow', 'thumbs', 'close']
}
}
})
window.fancyboxRun = true
}
}
},
setLoading: {
add: ele => {
const html = `
<div class="loading-container">
<div class="loading-item">
<div></div><div></div><div></div><div></div><div></div>
</div>
</div>
`
ele.insertAdjacentHTML('afterend', html)
},
remove: ele => {
ele.nextElementSibling.remove()
}
},
updateAnchor: (anchor) => {
if (anchor !== window.location.hash) {
if (!anchor) anchor = location.pathname
const title = GLOBAL_CONFIG_SITE.title
window.history.replaceState({
url: location.href,
title
}, title, anchor)
}
},
getScrollPercent: (currentTop, ele) => {
const docHeight = ele.clientHeight
const winHeight = document.documentElement.clientHeight
const headerHeight = ele.offsetTop
const contentMath = (docHeight > winHeight) ? (docHeight - winHeight) : (document.documentElement.scrollHeight - winHeight)
const scrollPercent = (currentTop - headerHeight) / (contentMath)
const scrollPercentRounded = Math.round(scrollPercent * 100)
const percentage = (scrollPercentRounded > 100) ? 100 : (scrollPercentRounded <= 0) ? 0 : scrollPercentRounded
return percentage
},
addGlobalFn: (key, fn, name = false, parent = window) => {
const globalFn = parent.globalFn || {}
const keyObj = globalFn[key] || {}
if (name && keyObj[name]) return
name = name || Object.keys(keyObj).length
keyObj[name] = fn
globalFn[key] = keyObj
parent.globalFn = globalFn
},
addEventListenerPjax: (ele, event, fn, option = false) => {
ele.addEventListener(event, fn, option)
btf.addGlobalFn('pjax', () => {
ele.removeEventListener(event, fn, option)
})
},
removeGlobalFnEvent: (key, parent = window) => {
const { globalFn = {} } = parent
const keyObj = globalFn[key] || {}
const keyArr = Object.keys(keyObj)
if (!keyArr.length) return
keyArr.forEach(i => {
keyObj[i]()
})
delete parent.globalFn[key]
}
}