HackMD/public/js/pretty.js

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JavaScript
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/* eslint-env browser, jquery */
/* global refreshView */
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require('../css/extra.css')
require('../css/slide-preview.css')
require('../css/site.css')
require('highlight.js/styles/github-gist.css')
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import {
autoLinkify,
deduplicatedHeaderId,
finishView,
generateToc,
md,
parseMeta,
postProcess,
renderTOC,
scrollToHash,
smoothHashScroll,
updateLastChange
} from './extra'
import { preventXSS } from './render'
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const markdown = $('#doc.markdown-body')
const text = markdown.text()
const lastMeta = md.meta
md.meta = {}
delete md.metaError
let rendered = md.render(text)
if (md.meta.type && md.meta.type === 'slide') {
const slideOptions = {
separator: '^(\r\n?|\n)---(\r\n?|\n)$',
verticalSeparator: '^(\r\n?|\n)----(\r\n?|\n)$'
}
const slides = window.RevealMarkdown.slidify(text, slideOptions)
markdown.html(slides)
window.RevealMarkdown.initialize()
// prevent XSS
markdown.html(preventXSS(markdown.html()))
markdown.addClass('slides')
} else {
if (lastMeta.type && lastMeta.type === 'slide') {
refreshView()
markdown.removeClass('slides')
}
// only render again when meta changed
if (JSON.stringify(md.meta) !== JSON.stringify(lastMeta)) {
parseMeta(md, null, markdown, $('#ui-toc'), $('#ui-toc-affix'))
rendered = md.render(text)
}
// prevent XSS
rendered = preventXSS(rendered)
const result = postProcess(rendered)
markdown.html(result.html())
}
$(document.body).show()
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finishView(markdown)
autoLinkify(markdown)
deduplicatedHeaderId(markdown)
renderTOC(markdown)
generateToc('ui-toc')
generateToc('ui-toc-affix')
smoothHashScroll()
window.createtime = window.lastchangeui.time.attr('data-createtime')
window.lastchangetime = window.lastchangeui.time.attr('data-updatetime')
updateLastChange()
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const url = window.location.pathname
$('.ui-edit').attr('href', `${url}/edit`)
const toc = $('.ui-toc')
const tocAffix = $('.ui-affix-toc')
const tocDropdown = $('.ui-toc-dropdown')
// toc
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tocDropdown.click(e => {
e.stopPropagation()
})
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let enoughForAffixToc = true
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function generateScrollspy () {
$(document.body).scrollspy({
target: ''
})
$(document.body).scrollspy('refresh')
if (enoughForAffixToc) {
toc.hide()
tocAffix.show()
} else {
tocAffix.hide()
toc.show()
}
$(document.body).scroll()
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}
function windowResize () {
// toc right
const paddingRight = parseFloat(markdown.css('padding-right'))
const right = ($(window).width() - (markdown.offset().left + markdown.outerWidth() - paddingRight))
toc.css('right', `${right}px`)
// affix toc left
let newbool
const rightMargin = (markdown.parent().outerWidth() - markdown.outerWidth()) / 2
// for ipad or wider device
if (rightMargin >= 133) {
newbool = true
const affixLeftMargin = (tocAffix.outerWidth() - tocAffix.width()) / 2
const left = markdown.offset().left + markdown.outerWidth() - affixLeftMargin
tocAffix.css('left', `${left}px`)
} else {
newbool = false
}
if (newbool !== enoughForAffixToc) {
enoughForAffixToc = newbool
generateScrollspy()
}
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}
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$(window).resize(() => {
windowResize()
})
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$(document).ready(() => {
windowResize()
generateScrollspy()
setTimeout(scrollToHash, 0)
// tooltip
$('[data-toggle="tooltip"]').tooltip()
})
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export function scrollToTop () {
$('body, html').stop(true, true).animate({
scrollTop: 0
}, 100, 'linear')
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}
export function scrollToBottom () {
$('body, html').stop(true, true).animate({
scrollTop: $(document.body)[0].scrollHeight
}, 100, 'linear')
}
window.scrollToTop = scrollToTop
window.scrollToBottom = scrollToBottom