/* eslint-env browser, jquery */ /* eslint no-console: ["error", { allow: ["warn", "error"] }] */ /* global moment, serverurl */ import Prism from 'prismjs' import PDFObject from 'pdfobject' import S from 'string' import { saveAs } from 'file-saver' import escapeHTML from 'escape-html' import getUIElements from './lib/editor/ui-elements' import markdownit from 'markdown-it' import markdownitContainer from 'markdown-it-container' /* Defined regex markdown it plugins */ import Plugin from 'markdown-it-regexp' import 'gist-embed' require('prismjs/themes/prism.css') require('prismjs/components/prism-wiki') require('prismjs/components/prism-haskell') require('prismjs/components/prism-go') require('prismjs/components/prism-typescript') require('prismjs/components/prism-jsx') require('prismjs/components/prism-makefile') require('prismjs/components/prism-gherkin') require('./lib/common/login') require('./locale') require('../vendor/md-toc') const ui = getUIElements() // auto update last change window.createtime = null window.lastchangetime = null window.lastchangeui = { statusChanged: $('.ui-status-lastchange.changed'), statusCreated: $('.ui-status-lastchange.created'), time: $('.ui-lastchange'), user: $('.ui-lastchangeuser'), nouser: $('.ui-no-lastchangeuser') } const ownerui = $('.ui-owner') export function updateLastChange () { if (!window.lastchangeui) return if (window.createtime) { if (window.createtime && !window.lastchangetime) { window.lastchangeui.statusChanged.hide() window.lastchangeui.statusCreated.show() } else { window.lastchangeui.statusChanged.show() window.lastchangeui.statusCreated.hide() } const time = window.lastchangetime || window.createtime window.lastchangeui.time.html(moment(time).fromNow()) window.lastchangeui.time.attr('title', moment(time).format('llll')) } } setInterval(updateLastChange, 60000) window.lastchangeuser = null window.lastchangeuserprofile = null export function updateLastChangeUser () { if (window.lastchangeui) { if (window.lastchangeuser && window.lastchangeuserprofile) { const icon = window.lastchangeui.user.children('i') icon.attr('title', window.lastchangeuserprofile.name).tooltip('fixTitle') if (window.lastchangeuserprofile.photo) { icon.attr('style', `background-image:url(${window.lastchangeuserprofile.photo})`) } window.lastchangeui.user.show() window.lastchangeui.nouser.hide() } else { window.lastchangeui.user.hide() window.lastchangeui.nouser.show() } } } window.owner = null window.ownerprofile = null export function updateOwner () { if (ownerui) { if (window.owner && window.ownerprofile && window.owner !== window.lastchangeuser) { const icon = ownerui.children('i') icon.attr('title', window.ownerprofile.name).tooltip('fixTitle') const styleString = `background-image:url(${window.ownerprofile.photo})` if (window.ownerprofile.photo && icon.attr('style') !== styleString) { icon.attr('style', styleString) } ownerui.show() } else { ownerui.hide() } } } // get title function getTitle (view) { let title = '' if (md && md.meta && md.meta.title && (typeof md.meta.title === 'string' || typeof md.meta.title === 'number')) { title = md.meta.title } else { const h1s = view.find('h1') if (h1s.length > 0) { title = h1s.first().text() } else { title = null } } return title } // render title export function renderTitle (view) { let title = getTitle(view) if (title) { title += ' - HedgeDoc' } else { title = 'HedgeDoc - Collaborative markdown notes' } return title } // render filename export function renderFilename (view) { let filename = getTitle(view) if (!filename) { filename = 'Untitled' } return filename } // render tags export function renderTags (view) { const tags = [] const rawtags = [] if (md && md.meta && md.meta.tags && (typeof md.meta.tags === 'string' || typeof md.meta.tags === 'number')) { const metaTags = (`${md.meta.tags}`).split(',') for (let i = 0; i < metaTags.length; i++) { const text = metaTags[i].trim() if (text) rawtags.push(text) } } else { view.find('h6').each((key, value) => { if (/^tags/gmi.test($(value).text())) { const codes = $(value).find('code') for (let i = 0; i < codes.length; i++) { const text = codes[i].innerHTML.trim() if (text) rawtags.push(text) } } }) } for (let i = 0; i < rawtags.length; i++) { let found = false for (let j = 0; j < tags.length; j++) { if (tags[j] === rawtags[i]) { found = true break } } if (!found) { tags.push(rawtags[i]) } } return tags } function slugifyWithUTF8 (text) { // remove HTML tags and trim spaces let newText = S(text).trim().stripTags().s // replace space between words with dashes newText = newText.replace(/\s+/g, '-') // slugify string to make it valid as an attribute newText = newText.replace(/([!"#$%&'()*+,./:;<=>?@[\\\]^`{|}~])/g, '') return newText } export function isValidURL (str) { try { const url = new URL(str) return ['http:', 'https:'].includes(url.protocol) } catch (e) { return false } } // parse meta export function parseMeta (md, edit, view, toc, tocAffix) { let lang = null let dir = null let breaks = true if (md && md.meta) { const meta = md.meta lang = meta.lang dir = meta.dir breaks = meta.breaks } // text language if (lang && typeof lang === 'string') { view.attr('lang', lang) toc.attr('lang', lang) tocAffix.attr('lang', lang) if (edit) { edit.attr('lang', lang) } } else { view.removeAttr('lang') toc.removeAttr('lang') tocAffix.removeAttr('lang') if (edit) { edit.removeAttr('lang', lang) } } // text direction if (dir && typeof dir === 'string') { view.attr('dir', dir) toc.attr('dir', dir) tocAffix.attr('dir', dir) } else { view.removeAttr('dir') toc.removeAttr('dir') tocAffix.removeAttr('dir') } // breaks if (typeof breaks === 'boolean' && !breaks) { md.options.breaks = false } else { md.options.breaks = true } } window.viewAjaxCallback = null // regex for extra tags const spaceregex = /\s*/ const notinhtmltagregex = /(?![^<]*>|[^<>]*<\/)/ let coloregex = /\[color=([#|(|)|\s|,|\w]*?)\]/ coloregex = new RegExp(coloregex.source + notinhtmltagregex.source, 'g') let nameregex = /\[name=(.*?)\]/ let timeregex = /\[time=([:|,|+|-|(|)|\s|\w]*?)\]/ const nameandtimeregex = new RegExp(nameregex.source + spaceregex.source + timeregex.source + notinhtmltagregex.source, 'g') nameregex = new RegExp(nameregex.source + notinhtmltagregex.source, 'g') timeregex = new RegExp(timeregex.source + notinhtmltagregex.source, 'g') function replaceExtraTags (html) { html = html.replace(coloregex, '') html = html.replace(nameandtimeregex, ' $1 $2') html = html.replace(nameregex, ' $1') html = html.replace(timeregex, ' $1') return html } // dynamic event or object binding here export function finishView (view) { // todo list const lis = view.find('li.raw').removeClass('raw').sortByDepth().toArray() for (let li of lis) { let html = $(li).clone()[0].innerHTML const p = $(li).children('p') if (p.length === 1) { html = p.html() li = p[0] } html = replaceExtraTags(html) li.innerHTML = html let disabled = 'disabled' if (typeof editor !== 'undefined' && window.havePermission()) { disabled = '' } if (/^\s*\[[xX ]]\s*/.test(html)) { li.innerHTML = html.replace(/^\s*\[ ]\s*/, ``) .replace(/^\s*\[[xX]]\s*/, ``) if (li.tagName.toLowerCase() !== 'li') { li.parentElement.setAttribute('class', 'task-list-item') } else { li.setAttribute('class', 'task-list-item') } } if (typeof editor !== 'undefined' && window.havePermission()) { $(li).find('input').change(toggleTodoEvent) } // color tag in list will convert it to tag icon with color const tagColor = $(li).closest('ul').find('.color') tagColor.each((key, value) => { $(value).addClass('fa fa-tag').css('color', $(value).attr('data-color')) }) } // youtube view.find('div.youtube.raw').removeClass('raw') .click(function () { imgPlayiframe(this, 'https://www.youtube.com/embed/') }) // vimeo view.find('div.vimeo.raw').removeClass('raw') .click(function () { imgPlayiframe(this, 'https://player.vimeo.com/video/') }) .each((key, value) => { const vimeoLink = `https://vimeo.com/${$(value).attr('data-videoid')}` $.ajax({ type: 'GET', url: `https://vimeo.com/api/oembed.json?url=${encodeURIComponent(vimeoLink)}`, jsonp: 'callback', dataType: 'jsonp', success (data) { const image = `` $(value).prepend(image) if (window.viewAjaxCallback) window.viewAjaxCallback() } }) }) // gist view.find('code[data-gist-id]').each((key, value) => { if ($(value).children().length === 0) { $(value).gist(window.viewAjaxCallback) } }) // sequence diagram const sequences = view.find('div.sequence-diagram.raw').removeClass('raw') sequences.each((key, value) => { let $value try { $value = $(value) const $ele = $(value).parent().parent() const sequence = $value sequence.sequenceDiagram({ theme: 'simple' }) $ele.addClass('sequence-diagram') $value.children().unwrap().unwrap() const svg = $ele.find('> svg') svg[0].setAttribute('viewBox', `0 0 ${svg.attr('width')} ${svg.attr('height')}`) svg[0].setAttribute('preserveAspectRatio', 'xMidYMid meet') } catch (err) { $value.unwrap() $value.parent().append(`
${escapeHTML(err)}
`) console.warn(err) } }) // flowchart const flow = view.find('div.flow-chart.raw').removeClass('raw') flow.each((key, value) => { let $value try { $value = $(value) const $ele = $(value).parent().parent() const chart = window.flowchart.parse($value.text()) $value.html('') chart.drawSVG(value, { 'line-width': 2, fill: 'none', 'font-size': '16px', 'font-family': "'Andale Mono', monospace" }) $ele.addClass('flow-chart') $value.children().unwrap().unwrap() } catch (err) { $value.unwrap() $value.parent().append(`
${escapeHTML(err)}
`) console.warn(err) } }) // graphviz const graphvizs = view.find('div.graphviz.raw').removeClass('raw') graphvizs.each(function (key, value) { let $value try { $value = $(value) const $ele = $(value).parent().parent() require.ensure([], function (require) { const Viz = require('viz.js') const graphviz = Viz($value.text()) if (!graphviz) throw Error('viz.js output empty graph') $value.html(graphviz) $ele.addClass('graphviz') $value.children().unwrap().unwrap() }) } catch (err) { $value.unwrap() $value.parent().append(`
${escapeHTML(err)}
`) console.warn(err) } }) // mermaid const mermaids = view.find('div.mermaid.raw').removeClass('raw') mermaids.each((key, value) => { const $value = $(value) const $ele = $(value).closest('pre') require.ensure([], function (require) { try { const mermaid = require('mermaid').default mermaid.startOnLoad = false mermaid.mermaidAPI.parse($value.text()) $ele.addClass('mermaid') $ele.text($value.text()) mermaid.init(undefined, $ele) } catch (err) { let errormessage = err if (err.str) { errormessage = err.str } $value.unwrap() $value.parent().append(`
${escapeHTML(errormessage)}
`) console.warn(errormessage) } }) }) // abc.js const abcs = view.find('div.abc.raw').removeClass('raw') abcs.each((key, value) => { let $value try { $value = $(value) const $ele = $(value).parent().parent() require.ensure([], function (require) { const abcjs = require('abcjs') abcjs.renderAbc(value, $value.text()) $ele.addClass('abc') $value.children().unwrap().unwrap() const svg = $ele.find('> svg') svg[0].setAttribute('viewBox', `0 0 ${svg.attr('width')} ${svg.attr('height')}`) svg[0].setAttribute('preserveAspectRatio', 'xMidYMid meet') }) } catch (err) { $value.unwrap() $value.parent().append(`
${escapeHTML(err)}
`) console.warn(err) } }) // image href new window(emoji not included) const images = view.find('img.raw[src]').removeClass('raw') images.each((key, value) => { // if it's already wrapped by link, then ignore const $value = $(value) $value[0].onload = e => { if (window.viewAjaxCallback) window.viewAjaxCallback() } }) // blockquote const blockquote = view.find('blockquote.raw').removeClass('raw') const blockquoteP = blockquote.find('p') blockquoteP.each((key, value) => { let html = $(value).html() html = replaceExtraTags(html) $(value).html(html) }) // color tag in blockquote will change its left border color const blockquoteColor = blockquote.find('.color') blockquoteColor.each((key, value) => { $(value).closest('blockquote').css('border-left-color', $(value).attr('data-color')) }) // slideshare view.find('div.slideshare.raw').removeClass('raw') .each((key, value) => { $.ajax({ type: 'GET', url: `https://www.slideshare.net/api/oembed/2?url=https://www.slideshare.net/${$(value).attr('data-slideshareid')}&format=json`, jsonp: 'callback', dataType: 'jsonp', success (data) { const $html = $(data.html) const iframe = $html.closest('iframe') const caption = $html.closest('div') const inner = $('
').append(iframe) const height = iframe.attr('height') const width = iframe.attr('width') const ratio = (height / width) * 100 inner.css('padding-bottom', `${ratio}%`) $(value).html(inner).append(caption) if (window.viewAjaxCallback) window.viewAjaxCallback() } }) }) // speakerdeck view.find('div.speakerdeck.raw').removeClass('raw') .each((key, value) => { const url = `https://speakerdeck.com/${$(value).attr('data-speakerdeckid')}` const inner = $('Speakerdeck') inner.attr('href', url) inner.attr('rel', 'noopener noreferrer') inner.attr('target', '_blank') $(value).append(inner) }) // pdf view.find('div.pdf.raw').removeClass('raw') .each(function (key, value) { const url = $(value).attr('data-pdfurl') const inner = $('
') $(this).append(inner) PDFObject.embed(url, inner, { height: '400px' }) }) // syntax highlighting view.find('code.raw').removeClass('raw') .each((key, value) => { const langDiv = $(value) if (langDiv.length > 0) { const reallang = langDiv[0].className.replace(/hljs|wrap/g, '').trim() if (reallang === 'mermaid' || reallang === 'abc' || reallang === 'graphviz') { return } const codeDiv = langDiv.find('.code') let code = '' if (codeDiv.length > 0) code = codeDiv.html() else code = langDiv.html() let result if (!reallang) { result = { value: code } } else if (reallang === 'haskell' || reallang === 'go' || reallang === 'typescript' || reallang === 'jsx' || reallang === 'gherkin') { code = S(code).unescapeHTML().s result = { value: Prism.highlight(code, Prism.languages[reallang]) } } else if (reallang === 'tiddlywiki' || reallang === 'mediawiki') { code = S(code).unescapeHTML().s result = { value: Prism.highlight(code, Prism.languages.wiki) } } else if (reallang === 'cmake') { code = S(code).unescapeHTML().s result = { value: Prism.highlight(code, Prism.languages.makefile) } } else { require.ensure([], function (require) { const hljs = require('highlight.js') code = S(code).unescapeHTML().s const languages = hljs.listLanguages() if (!languages.includes(reallang)) { result = hljs.highlightAuto(code) } else { result = hljs.highlight(reallang, code) } if (codeDiv.length > 0) codeDiv.html(result.value) else langDiv.html(result.value) }) return } if (codeDiv.length > 0) codeDiv.html(result.value) else langDiv.html(result.value) } }) // mathjax const mathjaxdivs = view.find('span.mathjax.raw').removeClass('raw').toArray() try { if (mathjaxdivs.length > 1) { window.MathJax.Hub.Queue(['Typeset', window.MathJax.Hub, mathjaxdivs]) window.MathJax.Hub.Queue(window.viewAjaxCallback) } else if (mathjaxdivs.length > 0) { window.MathJax.Hub.Queue(['Typeset', window.MathJax.Hub, mathjaxdivs[0]]) window.MathJax.Hub.Queue(window.viewAjaxCallback) } } catch (err) { console.warn(err) } // render title document.title = renderTitle(view) } // only static transform should be here export function postProcess (code) { const result = $(`
${code}
`) // process style tags result.find('style').each((key, value) => { let html = $(value).html() // unescape > symbel inside the style tags html = html.replace(/>/g, '>') // remove css @import to prevent XSS html = html.replace(/@import url\(([^)]*)\);?/gi, '') $(value).html(html) }) // link should open in new window or tab // also add noopener to prevent clickjacking // See details: https://mathiasbynens.github.io/rel-noopener/ result.find('a:not([href^="#"]):not([target])').attr('target', '_blank').attr('rel', 'noopener') // If it's hashtag link then make it base uri independent result.find('a[href^="#"]').each((index, linkTag) => { const currentLocation = new URL(window.location) currentLocation.hash = linkTag.hash linkTag.href = currentLocation.toString() }) // update continue line numbers const linenumberdivs = result.find('.gutter.linenumber').toArray() for (let i = 0; i < linenumberdivs.length; i++) { if ($(linenumberdivs[i]).hasClass('continue')) { const startnumber = linenumberdivs[i - 1] ? parseInt($(linenumberdivs[i - 1]).find('> span').last().attr('data-linenumber')) : 0 $(linenumberdivs[i]).find('> span').each((key, value) => { $(value).attr('data-linenumber', startnumber + key + 1) }) } } // show yaml meta paring error if (md.metaError) { let warning = result.find('div#meta-error') if (warning && warning.length > 0) { warning.text(md.metaError) } else { warning = $(`
${escapeHTML(md.metaError)}
`) result.prepend(warning) } } return result } window.postProcess = postProcess const domevents = Object.getOwnPropertyNames(document).concat(Object.getOwnPropertyNames(Object.getPrototypeOf(Object.getPrototypeOf(document)))).concat(Object.getOwnPropertyNames(Object.getPrototypeOf(window))).filter(function (i) { return !i.indexOf('on') && (document[i] === null || typeof document[i] === 'function') }).filter(function (elem, pos, self) { return self.indexOf(elem) === pos }) export function removeDOMEvents (view) { for (let i = 0, l = domevents.length; i < l; i++) { view.find('[' + domevents[i] + ']').removeAttr(domevents[i]) } } window.removeDOMEvents = removeDOMEvents function toDataURL (url, callback) { fetch(url).then(response => { const fr = new FileReader() fr.onload = function () { callback(this.result) } response.blob().then(blob => { fr.readAsDataURL(blob) }) }) } function generateCleanHTML (view) { const src = view.clone() const eles = src.find('*') // remove syncscroll parts eles.removeClass('part') src.find('*[class=""]').removeAttr('class') eles.removeAttr('data-startline data-endline') src.find("a[href^='#'][smoothhashscroll]").removeAttr('smoothhashscroll') // remove gist content src.find('code[data-gist-id]').children().remove() // disable todo list src.find('input.task-list-item-checkbox').attr('disabled', '') // replace emoji image path src.find('img.emoji').each((key, value) => { toDataURL($(value).attr('src'), dataURL => { $(value).attr('src', dataURL) }) }) // replace video to iframe src.find('div[data-videoid]').each((key, value) => { const id = $(value).attr('data-videoid') const style = $(value).attr('style') let url = null if ($(value).hasClass('youtube')) { url = 'https://www.youtube.com/embed/' } else if ($(value).hasClass('vimeo')) { url = 'https://player.vimeo.com/video/' } if (url) { const iframe = $('') iframe.attr('src', url + id) iframe.attr('style', style) $(value).html(iframe) } }) return src } export function exportToRawHTML (view) { const filename = `${renderFilename(ui.area.markdown)}.html` const src = generateCleanHTML(view) $(src).find('a.anchor').remove() const html = src[0].outerHTML const blob = new Blob([html], { type: 'text/html;charset=utf-8' }) saveAs(blob, filename, true) } // extract markdown body to html and compile to template export function exportToHTML (view) { const title = renderTitle(ui.area.markdown) const filename = `${renderFilename(ui.area.markdown)}.html` const src = generateCleanHTML(view) // generate toc const toc = $('#ui-toc').clone() toc.find('*').removeClass('active').find("a[href^='#'][smoothhashscroll]").removeAttr('smoothhashscroll') const tocAffix = $('#ui-toc-affix').clone() tocAffix.find('*').removeClass('active').find("a[href^='#'][smoothhashscroll]").removeAttr('smoothhashscroll') // generate html via template $.get(`${serverurl}/build/htmlexport.html`, template => { let html = template.replace('{{{url}}}', serverurl) html = html.replace('{{title}}', title) html = html.replace('{{{html}}}', src[0].outerHTML) html = html.replace('{{{ui-toc}}}', toc.html()) html = html.replace('{{{ui-toc-affix}}}', tocAffix.html()) html = html.replace('{{{lang}}}', (md && md.meta && md.meta.lang) ? `lang="${md.meta.lang}"` : '') html = html.replace('{{{dir}}}', (md && md.meta && md.meta.dir) ? `dir="${md.meta.dir}"` : '') const blob = new Blob([html], { type: 'text/html;charset=utf-8' }) saveAs(blob, filename, true) }) } // jQuery sortByDepth $.fn.sortByDepth = function () { const ar = this.map(function () { return { length: $(this).parents().length, elt: this } }).get() const result = [] let i = ar.length ar.sort((a, b) => a.length - b.length) while (i--) { result.push(ar[i].elt) } return $(result) } function toggleTodoEvent (e) { const startline = $(this).closest('li').attr('data-startline') - 1 const line = window.editor.getLine(startline) const matches = line.match(/^[>\s-]*(?:[-+*]|\d+[.)])\s\[([xX ])]/) if (matches && matches.length >= 2) { let checked = null if (matches[1].toLowerCase() === 'x') { checked = true } else if (matches[1] === ' ') { checked = false } const replacements = matches[0].match(/(^[>\s-]*(?:[-+*]|\d+[.)])\s\[)([xX ])(])/) window.editor.replaceRange(checked ? ' ' : 'x', { line: startline, ch: replacements[1].length }, { line: startline, ch: replacements[1].length + 1 }, '+input') } } // remove hash function removeHash () { history.pushState('', document.title, window.location.pathname + window.location.search) } let tocExpand = false function checkExpandToggle () { const toc = $('.ui-toc-dropdown .toc') const toggle = $('.expand-toggle') if (!tocExpand) { toc.removeClass('expand') toggle.text('Expand all') } else { toc.addClass('expand') toggle.text('Collapse all') } } // toc export function generateToc (id) { const target = $(`#${id}`) target.html('') /* eslint-disable no-unused-vars */ const toc = new window.Toc('doc', { level: 3, top: -1, class: 'toc', ulClass: 'nav', targetId: id, process: getHeaderContent }) /* eslint-enable no-unused-vars */ if (target.text() === 'undefined') { target.html('') } const tocMenu = $('
Expand all') const backtotop = $('Back to top') const gotobottom = $('Go to bottom') checkExpandToggle() toggle.click(e => { e.preventDefault() e.stopPropagation() tocExpand = !tocExpand checkExpandToggle() }) backtotop.click(e => { e.preventDefault() e.stopPropagation() if (window.scrollToTop) { window.scrollToTop() } removeHash() }) gotobottom.click(e => { e.preventDefault() e.stopPropagation() if (window.scrollToBottom) { window.scrollToBottom() } removeHash() }) tocMenu.append(toggle).append(backtotop).append(gotobottom) target.append(tocMenu) } // smooth all hash trigger scrolling export function smoothHashScroll () { const hashElements = $("a[href^='#']:not([smoothhashscroll])").toArray() for (const element of hashElements) { const $element = $(element) const hash = element.hash if (hash) { $element.on('click', function (e) { // store hash const hash = decodeURIComponent(this.hash) // escape special characters in jquery selector const $hash = $(hash.replace(/(:|\.|\[|\]|,)/g, '\\$1')) // return if no element been selected if ($hash.length <= 0) return // prevent default anchor click behavior e.preventDefault() // animate $('body, html').stop(true, true).animate({ scrollTop: $hash.offset().top }, 100, 'linear', () => { // when done, add hash to url // (default click behaviour) window.location.hash = hash }) }) $element.attr('smoothhashscroll', '') } } } function imgPlayiframe (element, src) { if (!$(element).attr('data-videoid')) return const iframe = $("") $(iframe).attr('src', `${src + $(element).attr('data-videoid')}?autoplay=1`) $(element).find('img').css('visibility', 'hidden') $(element).append(iframe) } const anchorForId = id => { const anchor = document.createElement('a') anchor.className = 'anchor hidden-xs' anchor.href = `#${id}` anchor.innerHTML = '' anchor.title = id return anchor } const createHeaderId = (headerContent, headerIds = null) => { // to escape characters not allow in css and humanize const slug = slugifyWithUTF8(headerContent) let id if (window.linkifyHeaderStyle === 'keep-case') { id = slug } else if (window.linkifyHeaderStyle === 'lower-case') { // to make compatible with GitHub, GitLab, Pandoc and many more id = slug.toLowerCase() } else if (window.linkifyHeaderStyle === 'gfm') { // see GitHub implementation reference: // https://gist.github.com/asabaylus/3071099#gistcomment-1593627 // it works like 'lower-case', but ... const idBase = slug.toLowerCase() id = idBase if (headerIds !== null) { // ... making sure the id is unique let i = 1 while (headerIds.has(id)) { id = idBase + '-' + i i++ } headerIds.add(id) } } else { throw new Error('Unknown linkifyHeaderStyle value "' + window.linkifyHeaderStyle + '"') } return id } const linkifyAnchors = (level, containingElement) => { const headers = containingElement.getElementsByTagName(`h${level}`) for (let i = 0, l = headers.length; i < l; i++) { const header = headers[i] if (header.getElementsByClassName('anchor').length === 0) { if (typeof header.id === 'undefined' || header.id === '') { header.id = createHeaderId(getHeaderContent(header)) } if (!(typeof header.id === 'undefined' || header.id === '')) { header.insertBefore(anchorForId(header.id), header.firstChild) } } } } export function autoLinkify (view) { const contentBlock = view[0] if (!contentBlock) { return } for (let level = 1; level <= 6; level++) { linkifyAnchors(level, contentBlock) } } function getHeaderContent (header) { const headerHTML = $(header).clone() headerHTML.find('.MathJax_Preview').remove() headerHTML.find('.MathJax').remove() return headerHTML[0].innerHTML } function changeHeaderId ($header, id, newId) { $header.attr('id', newId) const $headerLink = $header.find(`> a.anchor[href="#${id}"]`) $headerLink.attr('href', `#${newId}`) $headerLink.attr('title', newId) } export function deduplicatedHeaderId (view) { // headers contained in the last change const headers = view.find(':header.raw').removeClass('raw').toArray() if (headers.length === 0) { return } if (window.linkifyHeaderStyle === 'gfm') { // consistent with GitHub, GitLab, Pandoc & co. // all headers contained in the document, in order of appearance const allHeaders = view.find(':header').toArray() // list of finaly assigned header IDs const headerIds = new Set() for (let j = 0; j < allHeaders.length; j++) { const $header = $(allHeaders[j]) const id = $header.attr('id') const newId = createHeaderId(getHeaderContent($header), headerIds) changeHeaderId($header, id, newId) } } else { // the legacy way for (let i = 0; i < headers.length; i++) { const id = $(headers[i]).attr('id') if (!id) continue const duplicatedHeaders = view.find(`:header[id="${id}"]`).toArray() for (let j = 0; j < duplicatedHeaders.length; j++) { if (duplicatedHeaders[j] !== headers[i]) { const newId = id + j const $header = $(duplicatedHeaders[j]) changeHeaderId($header, id, newId) } } } } } export function renderTOC (view) { const tocs = view.find('.toc').toArray() for (let i = 0; i < tocs.length; i++) { const toc = $(tocs[i]) const id = `toc${i}` toc.attr('id', id) const target = $(`#${id}`) target.html('') /* eslint-disable no-unused-vars */ const TOC = new window.Toc('doc', { level: 3, top: -1, class: 'toc', targetId: id, process: getHeaderContent }) /* eslint-enable no-unused-vars */ if (target.text() === 'undefined') { target.html('') } target.replaceWith(target.html()) } } export function scrollToHash () { const hash = location.hash location.hash = '' location.hash = hash } function highlightRender (code, lang) { if (!lang || /no(-?)highlight|plain|text/.test(lang)) { return } code = S(code).escapeHTML().s if (lang === 'sequence') { return `
${code}
` } else if (lang === 'flow') { return `
${code}
` } else if (lang === 'graphviz') { return `
${code}
` } else if (lang === 'mermaid') { return `
${code}
` } else if (lang === 'abc') { return `
${code}
` } const result = { value: code } const showlinenumbers = /=$|=\d+$|=\+$/.test(lang) if (showlinenumbers) { let startnumber = 1 const matches = lang.match(/=(\d+)$/) if (matches) { startnumber = parseInt(matches[1]) } const lines = result.value.split('\n') const linenumbers = [] for (let i = 0; i < lines.length - 1; i++) { linenumbers[i] = `` } const continuelinenumber = /=\+$/.test(lang) const linegutter = `
${linenumbers.join('\n')}
` result.value = `
${linegutter}
${result.value}
` } return result.value } export const md = markdownit('default', { html: true, breaks: true, langPrefix: '', linkify: true, typographer: true, highlight: highlightRender }) window.md = md md.use(require('markdown-it-abbr')) md.use(require('markdown-it-footnote')) md.use(require('markdown-it-deflist')) md.use(require('markdown-it-mark')) md.use(require('markdown-it-ins')) md.use(require('markdown-it-sub')) md.use(require('markdown-it-sup')) md.use(require('markdown-it-mathjax')({ beforeMath: '', afterMath: '', beforeInlineMath: '\\(', afterInlineMath: '\\)', beforeDisplayMath: '\\[', afterDisplayMath: '\\]' })) md.use(require('markdown-it-imsize')) md.use(require('markdown-it-emoji'), { shortcuts: {} }) window.emojify.setConfig({ blacklist: { elements: ['script', 'textarea', 'a', 'pre', 'code', 'svg'], classes: ['no-emojify'] }, img_dir: `${serverurl}/build/emojify.js/dist/images/basic`, ignore_emoticons: true }) md.renderer.rules.emoji = (token, idx) => window.emojify.replace(`:${token[idx].markup}:`) function renderContainer (tokens, idx, options, env, self) { tokens[idx].attrJoin('role', 'alert') tokens[idx].attrJoin('class', 'alert') tokens[idx].attrJoin('class', `alert-${tokens[idx].info.trim()}`) return self.renderToken(...arguments) } md.use(markdownitContainer, 'success', { render: renderContainer }) md.use(markdownitContainer, 'info', { render: renderContainer }) md.use(markdownitContainer, 'warning', { render: renderContainer }) md.use(markdownitContainer, 'danger', { render: renderContainer }) const defaultImageRender = md.renderer.rules.image md.renderer.rules.image = function (tokens, idx, options, env, self) { tokens[idx].attrJoin('class', 'raw') return defaultImageRender(...arguments) } md.renderer.rules.list_item_open = function (tokens, idx, options, env, self) { tokens[idx].attrJoin('class', 'raw') return self.renderToken(...arguments) } md.renderer.rules.blockquote_open = function (tokens, idx, options, env, self) { tokens[idx].attrJoin('class', 'raw') return self.renderToken(...arguments) } md.renderer.rules.heading_open = function (tokens, idx, options, env, self) { tokens[idx].attrJoin('class', 'raw') return self.renderToken(...arguments) } md.renderer.rules.fence = (tokens, idx, options, env, self) => { const token = tokens[idx] const info = token.info ? md.utils.unescapeAll(token.info).trim() : '' let langName = '' let highlighted if (info) { langName = info.split(/\s+/g)[0] if (/!$/.test(info)) token.attrJoin('class', 'wrap') token.attrJoin('class', options.langPrefix + langName.replace(/=$|=\d+$|=\+$|!$|=!$/, '')) token.attrJoin('class', 'hljs') token.attrJoin('class', 'raw') } if (options.highlight) { highlighted = options.highlight(token.content, langName) || md.utils.escapeHtml(token.content) } else { highlighted = md.utils.escapeHtml(token.content) } if (highlighted.indexOf('${highlighted}\n` } // youtube const youtubePlugin = new Plugin( // regexp to match /{%youtube\s*([\w-]{11})\s*%}/, (match, utils) => { const videoid = match[1] if (!videoid) return const div = $('
') div.attr('data-videoid', videoid) const thumbnailSrc = `https://img.youtube.com/vi/${videoid}/hqdefault.jpg` const image = `` div.append(image) const icon = '' div.append(icon) return div[0].outerHTML } ) // vimeo const vimeoPlugin = new Plugin( // regexp to match /{%vimeo\s*(\d{6,11})\s*%}/, (match, utils) => { const videoid = match[1] if (!videoid) return const div = $('
') div.attr('data-videoid', videoid) const icon = '' div.append(icon) return div[0].outerHTML } ) // gist const gistPlugin = new Plugin( // regexp to match /{%gist\s*(\w+\/\w+)\s*%}/, (match, utils) => { const gistid = match[1] const code = `` return code } ) // TOC const tocPlugin = new Plugin( // regexp to match /^\[TOC\]$/i, (match, utils) => '
' ) // slideshare const slidesharePlugin = new Plugin( // regexp to match /{%slideshare\s*(\w+\/[\w-]+)\s*%}/, (match, utils) => { const slideshareid = match[1] const div = $('
') div.attr('data-slideshareid', slideshareid) return div[0].outerHTML } ) // speakerdeck const speakerdeckPlugin = new Plugin( // regexp to match /{%speakerdeck\s*(\w+\/[\w-]+)\s*%}/, (match, utils) => { const speakerdeckid = match[1] const div = $('
') div.attr('data-speakerdeckid', speakerdeckid) return div[0].outerHTML } ) // pdf const pdfPlugin = new Plugin( // regexp to match /{%pdf\s*([\d\D]*?)\s*%}/, (match, utils) => { const pdfurl = match[1] if (!isValidURL(pdfurl)) return match[0] const div = $('
') div.attr('data-pdfurl', pdfurl) return div[0].outerHTML } ) const emojijsPlugin = new Plugin( // regexp to match emoji shortcodes :something: // We generate an universal regex that guaranteed only contains the // emojies we have available. This should prevent all false-positives new RegExp(':(' + window.emojify.emojiNames.map((item) => { return RegExp.escape(item) }).join('|') + '):', 'i'), (match, utils) => { const emoji = match[1].toLowerCase() const div = $(`:${emoji}:`) return div[0].outerHTML } ) // yaml meta, from https://github.com/eugeneware/remarkable-meta function get (state, line) { const pos = state.bMarks[line] const max = state.eMarks[line] return state.src.substr(pos, max - pos) } function meta (state, start, end, silent) { if (start !== 0 || state.blkIndent !== 0) return false if (state.tShift[start] < 0) return false if (!get(state, start).match(/^---$/)) return false const data = [] let line for (line = start + 1; line < end; line++) { const str = get(state, line) if (str.match(/^(\.{3}|-{3})$/)) break if (state.tShift[line] < 0) break data.push(str) } if (line >= end) return false try { md.meta = window.jsyaml.safeLoad(data.join('\n')) || {} delete md.metaError } catch (err) { md.metaError = err console.warn(err) return false } state.line = line + 1 return true } function metaPlugin (md) { md.meta = md.meta || {} md.block.ruler.before('code', 'meta', meta, { alt: [] }) } md.use(metaPlugin) md.use(emojijsPlugin) md.use(youtubePlugin) md.use(vimeoPlugin) md.use(gistPlugin) md.use(tocPlugin) md.use(slidesharePlugin) md.use(speakerdeckPlugin) md.use(pdfPlugin) export default { md }