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编辑当前文件:/home/royashxg/www/wp-content/plugins/blocksy-companion/static/js/frontend/sticky.js

import ctEvents from 'ct-events'
import { getCurrentScreen } from 'blocksy-frontend'

import { computeShrink } from './sticky/shrink'
import { computeAutoHide } from './sticky/auto-hide'
import { computeFadeSlide } from './sticky/fade-slide'

import {
	getRowStickyHeight,
	getRowInitialMinHeight,
	maybeSetStickyHeightAnimated,
} from './sticky/shrink-utils'

import { clearShrinkCache } from './sticky/shrink-handle-middle-row'
import { clearLogoShrinkCache } from './sticky/shrink-handle-logo'

export const setTransparencyFor = (deviceContainer, value = 'yes') => {
	Array.from(
		deviceContainer.querySelectorAll('[data-row][data-transparent-row]')
	).map((el) => {
		el.dataset.transparentRow = value
	})
}

var getParents = function (elem) {
	var parents = []

for (; elem && elem !== document; elem = elem.parentNode) {
		parents.push(elem)
	}

return parents
}

let cachedStartPosition = null
let cachedContainerInitialHeight = {}
let cachedHeaderInitialHeight = null
let cachedStickyContainerHeight = null
let forcedHeightSetForStickyContainer = false

const clearCache = () => {
	clearShrinkCache()
	clearLogoShrinkCache()

cachedStartPosition = null
	cachedHeaderInitialHeight = null
	cachedStickyContainerHeight = null
	prevScrollY = null
	forcedHeightSetForStickyContainer = false
}

ctEvents.on('blocksy:sticky:compute', () => {
	setTimeout(() => {
		clearCache()
		compute()
	}, 100)
})

if (window.wp && wp.customize && wp.customize.selectiveRefresh) {
	let shouldSkipNext = false
	wp.customize.selectiveRefresh.bind(
		'partial-content-rendered',
		(placement) => {
			if (shouldSkipNext) {
				return
			}

shouldSkipNext = true
			setTimeout(() => {
				clearCache()
				forcedHeightSetForStickyContainer = true
				compute()
				shouldSkipNext = false
			}, 500)
		}
	)
}

const getStartPositionFor = (stickyContainer) => {
	if (
		stickyContainer.dataset.sticky.indexOf('shrink') === -1 &&
		stickyContainer.dataset.sticky.indexOf('auto-hide') === -1
	) {
		// return stickyContainer.parentNode.getBoundingClientRect().height + 200
	}

const headerRect = stickyContainer.closest('header').getBoundingClientRect()

let stickyOffset = headerRect.top + scrollY

if (stickyOffset > 0) {
		let element = document.elementFromPoint(0, 3)

if (element) {
			if (
				getParents(element)
					.map((el) => {
						let style = getComputedStyle(el)
						return style.position
					})
					.indexOf('fixed') > -1
			) {
				stickyOffset -= element.getBoundingClientRect().height
			}
		}
	}

if (
		stickyContainer.dataset.sticky.indexOf('shrink') === -1 &&
		stickyContainer.dataset.sticky.indexOf('auto-hide') === -1
	) {
		stickyOffset += 200
	}

const row = stickyContainer.parentNode

const bodyComp = getComputedStyle(document.body)
	let maybeDynamicOffset = parseFloat(
		bodyComp.getPropertyValue('--header-sticky-offset') || 0
	)

maybeDynamicOffset =
		maybeDynamicOffset +
		(parseFloat(bodyComp.getPropertyValue('--theme-frame-size')) || 0)

if (
		row.parentNode.children.length === 1 ||
		row.parentNode.children[0].classList.contains('ct-sticky-container')
	) {
		return stickyOffset > 0
			? stickyOffset - maybeDynamicOffset
			: stickyOffset
	}

let finalResult = Array.from(row.parentNode.children)
		.reduce((result, el, index) => {
			if (result.indexOf(0) > -1 || !el.dataset.row) {
				return [...result, 0]
			} else {
				return [
					...result,

el.classList.contains('ct-sticky-container')
						? 0
						: el.getBoundingClientRect().height,
				]
			}
		}, [])
		.reduce((sum, height) => sum + height, stickyOffset)

return finalResult > 0 ? finalResult - maybeDynamicOffset : finalResult
}

let prevScrollY = null

const compute = () => {
	if (prevScrollY === scrollY) {
		/*
		requestAnimationFrame(() => {
			compute()
		})
    */

return
	}

const stickyContainer = document.querySelector(
		`[data-device="${getCurrentScreen()}"] [data-sticky]`
	)

if (!stickyContainer) {
		return
	}

const currentScreenWithTablet = getCurrentScreen({ withTablet: true })

let containerInitialHeight =
		cachedContainerInitialHeight[currentScreenWithTablet]

const shouldSetHeight =
		!containerInitialHeight || forcedHeightSetForStickyContainer

if (!containerInitialHeight || forcedHeightSetForStickyContainer) {
		cachedContainerInitialHeight[currentScreenWithTablet] = [
			...stickyContainer.querySelectorAll('[data-row]'),
		].reduce((res, row) => {
			return res + getRowInitialMinHeight(row)
		}, 0)

containerInitialHeight =
			cachedContainerInitialHeight[currentScreenWithTablet]
	}

if (shouldSetHeight) {
		forcedHeightSetForStickyContainer = false
		stickyContainer.parentNode.style.height = `${containerInitialHeight}px`
	}

let startPosition = cachedStartPosition

if (startPosition === null) {
		startPosition = getStartPositionFor(stickyContainer, {})
		cachedStartPosition = startPosition
	}

let headerInitialHeight = cachedHeaderInitialHeight

if (headerInitialHeight === null) {
		const headerRect = stickyContainer
			.closest('[data-device]')
			.getBoundingClientRect()

headerInitialHeight = headerRect.height
		cachedHeaderInitialHeight = headerInitialHeight
	}

let stickyContainerHeight = cachedStickyContainerHeight

const stickyComponents = stickyContainer.dataset.sticky
		.split(':')
		.filter((c) => c !== 'yes' && c !== 'no' && c !== 'fixed')

if (!stickyContainerHeight) {
		stickyContainerHeight = [
			...stickyContainer.querySelectorAll('[data-row]'),
		].reduce((res, row) => res + getRowStickyHeight(row), 0)
		cachedStickyContainerHeight = parseInt(stickyContainerHeight)

maybeSetStickyHeightAnimated(() => {
			return stickyComponents.indexOf('auto-hide') === -1
				? // case when content is forcing the initial height to be bigger
				  stickyContainerHeight >
				  [...stickyContainer.querySelectorAll('[data-row]')].reduce(
						(res, row) => res + getRowInitialMinHeight(row),
						0
				  )
					? `${stickyContainerHeight}px`
					: `${[
							...stickyContainer.querySelectorAll('[data-row]'),
					  ].reduce(
							(res, row) => res + getRowStickyHeight(row),
							0
					  )}px`
				: '0px'
		})
	}

let isSticky =
		(startPosition > 0 && Math.abs(window.scrollY - startPosition) < 5) ||
		window.scrollY > startPosition

if (stickyComponents.indexOf('shrink') > -1) {
		isSticky =
			startPosition > 0
				? window.scrollY >= startPosition
				: window.scrollY > 0
	}

setTimeout(() => {
		if (isSticky && document.body.dataset.header.indexOf('shrink') === -1) {
			document.body.dataset.header = `${document.body.dataset.header}:shrink`
		}

if (!isSticky && document.body.dataset.header.indexOf('shrink') > -1) {
			document.body.dataset.header = document.body.dataset.header.replace(
				':shrink',
				''
			)
		}
	}, 300)

let currentScrollY = scrollY

if (stickyComponents.indexOf('shrink') > -1) {
		computeShrink({
			stickyContainer,
			stickyContainerHeight,

containerInitialHeight,
			isSticky,
			startPosition,
			stickyComponents,
		})
	}

if (stickyComponents.indexOf('auto-hide') > -1) {
		computeAutoHide({
			stickyContainer,
			isSticky,
			startPosition,
			stickyComponents,

containerInitialHeight,
			stickyContainerHeight,

headerInitialHeight,

currentScrollY,
			prevScrollY,
		})
	}

if (
		stickyComponents.indexOf('slide') > -1 ||
		stickyComponents.indexOf('fade') > -1
	) {
		computeFadeSlide({
			stickyContainer,
			isSticky,
			startPosition,
			stickyComponents,
		})
	}

prevScrollY = currentScrollY
}

export const mountStickyHeader = () => {
	if (!document.querySelector('header [data-sticky]')) {
		return
	}

var prevWidth = window.width

window.addEventListener(
		'resize',
		(event) => {
			if (window.width === prevWidth) {
				return
			}

prevWidth = window.width

clearCache()
			compute(event)
			ctEvents.trigger('ct:header:update')
		},
		false
	)

window.addEventListener('orientationchange', (event) => {
		clearCache()
		compute(event)
		ctEvents.trigger('ct:header:update')
	})

window.addEventListener('scroll', compute, false)
	window.addEventListener('load', compute, false)

compute()
}