121 lines
3.7 KiB
JavaScript
121 lines
3.7 KiB
JavaScript
/* global KEEP */
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function initToggleShowToc() {
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KEEP.utils.postHelper = {
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postPageContainerDom: document.querySelector('.post-page-container'),
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toggleShowTocBtnDom: document.querySelector('.toggle-show-toc'),
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toggleShowTocIcon: document.querySelector('.toggle-show-toc i'),
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mainContentDom: document.querySelector('.main-content'),
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postToolsDom: document.querySelector('.post-tools'),
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goToCommentsDom: document.querySelector('.post-tools .go-to-comments'),
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isShowToc: false,
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initToggleToc() {
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this.toggleShowTocBtnDom &&
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this.toggleShowTocBtnDom.addEventListener('click', () => {
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this.isShowToc = !this.isShowToc
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KEEP.styleStatus.isShowToc = this.isShowToc
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KEEP.setStyleStatus()
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this.handleToggleToc(this.isShowToc)
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})
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},
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handleToggleToc(isOpen) {
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if (isOpen) {
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this.postPageContainerDom.classList.add('show-toc')
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document.body.classList.add('has-toc')
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} else {
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this.postPageContainerDom.classList.remove('show-toc')
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document.body.classList.remove('has-toc')
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}
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},
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hasToc(isOpen) {
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this.toggleShowTocBtnDom.style.display = 'flex'
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this.isShowToc = isOpen
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this.handleToggleToc(isOpen)
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},
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setPostToolsLeft() {
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const winWidth = window.innerWidth
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const mcWidth = this.mainContentDom.getBoundingClientRect().width.toFixed(0)
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let offsetX = 5
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if (winWidth <= 800) {
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offsetX = 3
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}
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this.postToolsDom.style.opacity = `1`
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this.postToolsDom.style.left = `calc((100vw - ${mcWidth}px) / 2 - ${offsetX}rem)`
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},
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initSetPostToolsLeft() {
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setTimeout(() => {
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this.setPostToolsLeft()
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}, 150)
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window.addEventListener('resize', () => {
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this.setPostToolsLeft()
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})
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},
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// go comment anchor
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goToComments() {
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const commentsAnchor = document.querySelector('#comments-anchor')
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if (this.goToCommentsDom && commentsAnchor) {
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this.goToCommentsDom.addEventListener('click', (event) => {
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event.preventDefault()
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let winScrollY = window.scrollY
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winScrollY = winScrollY === 0 ? -20 : winScrollY
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const offset = commentsAnchor.getBoundingClientRect().top + winScrollY
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window.anime({
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targets: document.scrollingElement,
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duration: 200,
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easing: 'linear',
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scrollTop: offset,
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complete: () => {
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setTimeout(() => {
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KEEP.utils.pageTop_dom.classList.add('hide')
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}, 150)
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}
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})
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})
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}
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},
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// watch comments count
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watchPostCommentsCount() {
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const commentsCountDom = this.postToolsDom.querySelector('.post-comments-count')
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const config = {attributes: true, childList: true}
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const callback = function (mutationsList) {
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mutationsList.forEach((item) => {
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if (item.type === 'childList') {
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const count = Number(item.target.innerHTML)
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if (count > 0) {
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commentsCountDom.style.display = 'flex'
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if (count > 99) {
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commentsCountDom.innerHTML = '99+'
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observer.disconnect()
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}
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}
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}
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})
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}
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const observer = new MutationObserver(callback)
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observer.observe(commentsCountDom, config)
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}
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}
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KEEP.utils.postHelper.initToggleToc()
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KEEP.utils.postHelper.initSetPostToolsLeft()
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KEEP.utils.postHelper.goToComments()
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KEEP.utils.postHelper.watchPostCommentsCount()
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}
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if (KEEP.theme_config.pjax.enable === true && KEEP.utils) {
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initToggleShowToc()
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} else {
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window.addEventListener('DOMContentLoaded', initToggleShowToc)
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}
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