mirror of
https://github.com/hedgedoc/hedgedoc.git
synced 2024-11-22 09:46:30 -05:00
1200 lines
38 KiB
JavaScript
1200 lines
38 KiB
JavaScript
/* eslint-env browser, jquery */
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/* global moment, serverurl */
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require('prismjs/themes/prism.css')
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require('prismjs/components/prism-wiki')
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require('prismjs/components/prism-haskell')
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require('prismjs/components/prism-go')
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require('prismjs/components/prism-typescript')
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require('prismjs/components/prism-jsx')
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require('prismjs/components/prism-makefile')
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require('prismjs/components/prism-gherkin')
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import Prism from 'prismjs'
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import hljs from 'highlight.js'
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import PDFObject from 'pdfobject'
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import S from 'string'
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import { saveAs } from 'file-saver'
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require('./lib/common/login')
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require('../vendor/md-toc')
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var Viz = require('viz.js')
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import getUIElements from './lib/editor/ui-elements'
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const ui = getUIElements()
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// auto update last change
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window.createtime = null
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window.lastchangetime = null
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window.lastchangeui = {
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status: $('.ui-status-lastchange'),
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time: $('.ui-lastchange'),
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user: $('.ui-lastchangeuser'),
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nouser: $('.ui-no-lastchangeuser')
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}
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const ownerui = $('.ui-owner')
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export function updateLastChange () {
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if (!window.lastchangeui) return
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if (window.createtime) {
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if (window.createtime && !window.lastchangetime) {
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window.lastchangeui.status.text('created')
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} else {
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window.lastchangeui.status.text('changed')
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}
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const time = window.lastchangetime || window.createtime
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window.lastchangeui.time.html(moment(time).fromNow())
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window.lastchangeui.time.attr('title', moment(time).format('llll'))
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}
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}
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setInterval(updateLastChange, 60000)
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window.lastchangeuser = null
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window.lastchangeuserprofile = null
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export function updateLastChangeUser () {
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if (window.lastchangeui) {
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if (window.lastchangeuser && window.lastchangeuserprofile) {
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const icon = window.lastchangeui.user.children('i')
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icon.attr('title', window.lastchangeuserprofile.name).tooltip('fixTitle')
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if (window.lastchangeuserprofile.photo) { icon.attr('style', `background-image:url(${window.lastchangeuserprofile.photo})`) }
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window.lastchangeui.user.show()
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window.lastchangeui.nouser.hide()
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} else {
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window.lastchangeui.user.hide()
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window.lastchangeui.nouser.show()
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}
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}
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}
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window.owner = null
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window.ownerprofile = null
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export function updateOwner () {
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if (ownerui) {
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if (window.owner && window.ownerprofile && window.owner !== window.lastchangeuser) {
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const icon = ownerui.children('i')
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icon.attr('title', window.ownerprofile.name).tooltip('fixTitle')
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const styleString = `background-image:url(${window.ownerprofile.photo})`
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if (window.ownerprofile.photo && icon.attr('style') !== styleString) { icon.attr('style', styleString) }
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ownerui.show()
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} else {
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ownerui.hide()
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}
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}
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}
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// get title
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function getTitle (view) {
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let title = ''
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if (md && md.meta && md.meta.title && (typeof md.meta.title === 'string' || typeof md.meta.title === 'number')) {
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title = md.meta.title
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} else {
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const h1s = view.find('h1')
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if (h1s.length > 0) {
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title = h1s.first().text()
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} else {
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title = null
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}
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}
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return title
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}
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// render title
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export function renderTitle (view) {
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let title = getTitle(view)
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if (title) {
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title += ' - HackMD'
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} else {
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title = 'HackMD - Collaborative markdown notes'
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}
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return title
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}
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// render filename
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export function renderFilename (view) {
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let filename = getTitle(view)
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if (!filename) {
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filename = 'Untitled'
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}
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return filename
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}
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// render tags
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export function renderTags (view) {
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const tags = []
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const rawtags = []
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if (md && md.meta && md.meta.tags && (typeof md.meta.tags === 'string' || typeof md.meta.tags === 'number')) {
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const metaTags = (`${md.meta.tags}`).split(',')
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for (let i = 0; i < metaTags.length; i++) {
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const text = metaTags[i].trim()
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if (text) rawtags.push(text)
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}
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} else {
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view.find('h6').each((key, value) => {
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if (/^tags/gmi.test($(value).text())) {
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const codes = $(value).find('code')
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for (let i = 0; i < codes.length; i++) {
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const text = codes[i].innerHTML.trim()
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if (text) rawtags.push(text)
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}
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}
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})
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}
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for (let i = 0; i < rawtags.length; i++) {
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let found = false
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for (let j = 0; j < tags.length; j++) {
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if (tags[j] === rawtags[i]) {
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found = true
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break
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}
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}
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if (!found) { tags.push(rawtags[i]) }
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}
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return tags
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}
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function slugifyWithUTF8 (text) {
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// remove html tags and trim spaces
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let newText = S(text).trim().stripTags().s
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// replace all spaces in between to dashes
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newText = newText.replace(/\s+/g, '-')
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// slugify string to make it valid for attribute
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newText = newText.replace(/([!"#$%&'()*+,./:;<=>?@[\\\]^`{|}~])/g, '')
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return newText
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}
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export function isValidURL (str) {
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const pattern = new RegExp('^(https?:\\/\\/)?' + // protocol
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'((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|' + // domain name
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'((\\d{1,3}\\.){3}\\d{1,3}))' + // OR ip (v4) address
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'(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*' + // port and path
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'(\\?[;&a-z\\d%_.~+=-]*)?' + // query string
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'(\\#[-a-z\\d_]*)?$', 'i') // fragment locator
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if (!pattern.test(str)) {
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return false
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} else {
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return true
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}
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}
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// parse meta
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export function parseMeta (md, edit, view, toc, tocAffix) {
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let lang = null
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let dir = null
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let breaks = true
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if (md && md.meta) {
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const meta = md.meta
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lang = meta.lang
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dir = meta.dir
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breaks = meta.breaks
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}
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// text language
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if (lang && typeof lang === 'string') {
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view.attr('lang', lang)
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toc.attr('lang', lang)
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tocAffix.attr('lang', lang)
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if (edit) { edit.attr('lang', lang) }
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} else {
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view.removeAttr('lang')
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toc.removeAttr('lang')
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tocAffix.removeAttr('lang')
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if (edit) { edit.removeAttr('lang', lang) }
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}
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// text direction
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if (dir && typeof dir === 'string') {
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view.attr('dir', dir)
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toc.attr('dir', dir)
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tocAffix.attr('dir', dir)
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} else {
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view.removeAttr('dir')
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toc.removeAttr('dir')
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tocAffix.removeAttr('dir')
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}
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// breaks
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if (typeof breaks === 'boolean' && !breaks) {
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md.options.breaks = false
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} else {
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md.options.breaks = true
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}
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}
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window.viewAjaxCallback = null
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// regex for extra tags
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const spaceregex = /\s*/
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const notinhtmltagregex = /(?![^<]*>|[^<>]*<\/)/
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let coloregex = /\[color=([#|(|)|\s|,|\w]*?)\]/
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coloregex = new RegExp(coloregex.source + notinhtmltagregex.source, 'g')
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let nameregex = /\[name=(.*?)\]/
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let timeregex = /\[time=([:|,|+|-|(|)|\s|\w]*?)\]/
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const nameandtimeregex = new RegExp(nameregex.source + spaceregex.source + timeregex.source + notinhtmltagregex.source, 'g')
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nameregex = new RegExp(nameregex.source + notinhtmltagregex.source, 'g')
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timeregex = new RegExp(timeregex.source + notinhtmltagregex.source, 'g')
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function replaceExtraTags (html) {
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html = html.replace(coloregex, '<span class="color" data-color="$1"></span>')
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html = html.replace(nameandtimeregex, '<small><i class="fa fa-user"></i> $1 <i class="fa fa-clock-o"></i> $2</small>')
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html = html.replace(nameregex, '<small><i class="fa fa-user"></i> $1</small>')
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html = html.replace(timeregex, '<small><i class="fa fa-clock-o"></i> $1</small>')
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return html
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}
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if (typeof window.mermaid !== 'undefined' && window.mermaid) window.mermaid.startOnLoad = false
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// dynamic event or object binding here
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export function finishView (view) {
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// todo list
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const lis = view.find('li.raw').removeClass('raw').sortByDepth().toArray()
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for (let li of lis) {
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let html = $(li).clone()[0].innerHTML
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const p = $(li).children('p')
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if (p.length === 1) {
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html = p.html()
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li = p[0]
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}
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html = replaceExtraTags(html)
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li.innerHTML = html
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let disabled = 'disabled'
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if (typeof editor !== 'undefined' && window.havePermission()) { disabled = '' }
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if (/^\s*\[[x ]\]\s*/.test(html)) {
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li.innerHTML = html.replace(/^\s*\[ \]\s*/, `<input type="checkbox" class="task-list-item-checkbox "${disabled}><label></label>`)
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.replace(/^\s*\[x\]\s*/, `<input type="checkbox" class="task-list-item-checkbox" checked ${disabled}><label></label>`)
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if (li.tagName.toLowerCase() !== 'li') {
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li.parentElement.setAttribute('class', 'task-list-item')
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} else {
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li.setAttribute('class', 'task-list-item')
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}
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}
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if (typeof editor !== 'undefined' && window.havePermission()) { $(li).find('input').change(toggleTodoEvent) }
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// color tag in list will convert it to tag icon with color
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const tagColor = $(li).closest('ul').find('.color')
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tagColor.each((key, value) => {
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$(value).addClass('fa fa-tag').css('color', $(value).attr('data-color'))
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})
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}
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// youtube
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view.find('div.youtube.raw').removeClass('raw')
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.click(function () {
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imgPlayiframe(this, '//www.youtube.com/embed/')
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})
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// vimeo
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view.find('div.vimeo.raw').removeClass('raw')
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.click(function () {
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imgPlayiframe(this, '//player.vimeo.com/video/')
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})
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.each((key, value) => {
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$.ajax({
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type: 'GET',
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url: `//vimeo.com/api/v2/video/${$(value).attr('data-videoid')}.json`,
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jsonp: 'callback',
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dataType: 'jsonp',
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success (data) {
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const thumbnailSrc = data[0].thumbnail_large
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const image = `<img src="${thumbnailSrc}" />`
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$(value).prepend(image)
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if (window.viewAjaxCallback) window.viewAjaxCallback()
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}
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})
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})
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// gist
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view.find('code[data-gist-id]').each((key, value) => {
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if ($(value).children().length === 0) { $(value).gist(window.viewAjaxCallback) }
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})
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// sequence diagram
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const sequences = view.find('div.sequence-diagram.raw').removeClass('raw')
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sequences.each((key, value) => {
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try {
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var $value = $(value)
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const $ele = $(value).parent().parent()
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const sequence = $value
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sequence.sequenceDiagram({
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theme: 'simple'
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})
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$ele.addClass('sequence-diagram')
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$value.children().unwrap().unwrap()
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const svg = $ele.find('> svg')
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svg[0].setAttribute('viewBox', `0 0 ${svg.attr('width')} ${svg.attr('height')}`)
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svg[0].setAttribute('preserveAspectRatio', 'xMidYMid meet')
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} catch (err) {
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$value.unwrap()
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$value.parent().append('<div class="alert alert-warning">' + err + '</div>')
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console.warn(err)
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}
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})
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// flowchart
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const flow = view.find('div.flow-chart.raw').removeClass('raw')
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flow.each((key, value) => {
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try {
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var $value = $(value)
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const $ele = $(value).parent().parent()
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const chart = window.flowchart.parse($value.text())
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$value.html('')
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chart.drawSVG(value, {
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'line-width': 2,
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'fill': 'none',
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'font-size': '16px',
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'font-family': "'Andale Mono', monospace"
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})
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$ele.addClass('flow-chart')
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$value.children().unwrap().unwrap()
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} catch (err) {
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$value.unwrap()
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$value.parent().append('<div class="alert alert-warning">' + err + '</div>')
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console.warn(err)
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}
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})
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// graphviz
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var graphvizs = view.find('div.graphviz.raw').removeClass('raw')
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graphvizs.each(function (key, value) {
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try {
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var $value = $(value)
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var $ele = $(value).parent().parent()
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var graphviz = Viz($value.text())
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if (!graphviz) throw Error('viz.js output empty graph')
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$value.html(graphviz)
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$ele.addClass('graphviz')
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$value.children().unwrap().unwrap()
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} catch (err) {
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$value.unwrap()
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$value.parent().append('<div class="alert alert-warning">' + err + '</div>')
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console.warn(err)
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}
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})
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// mermaid
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const mermaids = view.find('div.mermaid.raw').removeClass('raw')
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mermaids.each((key, value) => {
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try {
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var $value = $(value)
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const $ele = $(value).closest('pre')
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window.mermaid.mermaidAPI.parse($value.text())
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$ele.addClass('mermaid')
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$ele.html($value.text())
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window.mermaid.init(undefined, $ele)
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} catch (err) {
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var errormessage = err
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if (err.str) {
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errormessage = err.str
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}
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$value.unwrap()
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$value.parent().append('<div class="alert alert-warning">' + errormessage + '</div>')
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console.warn(errormessage)
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}
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})
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// abc.js
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const abcs = view.find('div.abc.raw').removeClass('raw')
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abcs.each((key, value) => {
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try {
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var $value = $(value)
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var $ele = $(value).parent().parent()
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window.ABCJS.renderAbc(value, $value.text())
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$ele.addClass('abc')
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$value.children().unwrap().unwrap()
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const svg = $ele.find('> svg')
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svg[0].setAttribute('viewBox', `0 0 ${svg.attr('width')} ${svg.attr('height')}`)
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svg[0].setAttribute('preserveAspectRatio', 'xMidYMid meet')
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} catch (err) {
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$value.unwrap()
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$value.parent().append('<div class="alert alert-warning">' + err + '</div>')
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console.warn(err)
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}
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})
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// image href new window(emoji not included)
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const images = view.find('img.raw[src]').removeClass('raw')
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images.each((key, value) => {
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// if it's already wrapped by link, then ignore
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const $value = $(value)
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$value[0].onload = e => {
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if (window.viewAjaxCallback) window.viewAjaxCallback()
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}
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})
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// blockquote
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const blockquote = view.find('blockquote.raw').removeClass('raw')
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const blockquoteP = blockquote.find('p')
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blockquoteP.each((key, value) => {
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let html = $(value).html()
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html = replaceExtraTags(html)
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$(value).html(html)
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})
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// color tag in blockquote will change its left border color
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const blockquoteColor = blockquote.find('.color')
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blockquoteColor.each((key, value) => {
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$(value).closest('blockquote').css('border-left-color', $(value).attr('data-color'))
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})
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// slideshare
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view.find('div.slideshare.raw').removeClass('raw')
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.each((key, value) => {
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$.ajax({
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type: 'GET',
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url: `//www.slideshare.net/api/oembed/2?url=http://www.slideshare.net/${$(value).attr('data-slideshareid')}&format=json`,
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jsonp: 'callback',
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dataType: 'jsonp',
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success (data) {
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const $html = $(data.html)
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const iframe = $html.closest('iframe')
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const caption = $html.closest('div')
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const inner = $('<div class="inner"></div>').append(iframe)
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const height = iframe.attr('height')
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const width = iframe.attr('width')
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const ratio = (height / width) * 100
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inner.css('padding-bottom', `${ratio}%`)
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$(value).html(inner).append(caption)
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if (window.viewAjaxCallback) window.viewAjaxCallback()
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}
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})
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})
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// speakerdeck
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view.find('div.speakerdeck.raw').removeClass('raw')
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.each((key, value) => {
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const url = `https://speakerdeck.com/oembed.json?url=https%3A%2F%2Fspeakerdeck.com%2F${encodeURIComponent($(value).attr('data-speakerdeckid'))}`
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// use yql because speakerdeck not support jsonp
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$.ajax({
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url: 'https://query.yahooapis.com/v1/public/yql',
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data: {
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q: `select * from json where url ='${url}'`,
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format: 'json'
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},
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dataType: 'jsonp',
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success (data) {
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if (!data.query || !data.query.results) return
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const json = data.query.results.json
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const html = json.html
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var ratio = json.height / json.width
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$(value).html(html)
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const iframe = $(value).children('iframe')
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const src = iframe.attr('src')
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if (src.indexOf('//') === 0) { iframe.attr('src', `https:${src}`) }
|
|
const inner = $('<div class="inner"></div>').append(iframe)
|
|
const height = iframe.attr('height')
|
|
const width = iframe.attr('width')
|
|
ratio = (height / width) * 100
|
|
inner.css('padding-bottom', `${ratio}%`)
|
|
$(value).html(inner)
|
|
if (window.viewAjaxCallback) window.viewAjaxCallback()
|
|
}
|
|
})
|
|
})
|
|
// pdf
|
|
view.find('div.pdf.raw').removeClass('raw')
|
|
.each(function (key, value) {
|
|
const url = $(value).attr('data-pdfurl')
|
|
const inner = $('<div></div>')
|
|
$(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()
|
|
const codeDiv = langDiv.find('.code')
|
|
let code = ''
|
|
if (codeDiv.length > 0) code = codeDiv.html()
|
|
else code = langDiv.html()
|
|
var 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 {
|
|
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)
|
|
}
|
|
})
|
|
// 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 = $(`<div>${code}</div>`)
|
|
// 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, '')
|
|
$(value).html(html)
|
|
})
|
|
// link should open in new window or tab
|
|
result.find('a:not([href^="#"]):not([target])').attr('target', '_blank')
|
|
// update continue line numbers
|
|
const linenumberdivs = result.find('.gutter.linenumber').toArray()
|
|
for (let i = 0; i < linenumberdivs.length; i++) {
|
|
if ($(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) {
|
|
var warning = result.find('div#meta-error')
|
|
if (warning && warning.length > 0) {
|
|
warning.text(md.metaError)
|
|
} else {
|
|
warning = $('<div id="meta-error" class="alert alert-warning">' + md.metaError + '</div>')
|
|
result.prepend(warning)
|
|
}
|
|
}
|
|
return result
|
|
}
|
|
window.postProcess = postProcess
|
|
|
|
var 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 (var i = 0, l = domevents.length; i < l; i++) {
|
|
view.find('[' + domevents[i] + ']').removeAttr(domevents[i])
|
|
}
|
|
}
|
|
window.removeDOMEvents = removeDOMEvents
|
|
|
|
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) => {
|
|
let name = $(value).attr('alt')
|
|
name = name.substr(1)
|
|
name = name.slice(0, name.length - 1)
|
|
$(value).attr('src', `https://cdnjs.cloudflare.com/ajax/libs/emojify.js/1.1.0/images/basic/${name}.png`)
|
|
})
|
|
// 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 frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></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/html.min.css`, css => {
|
|
$.get(`${serverurl}/views/html.hbs`, data => {
|
|
const template = window.Handlebars.compile(data)
|
|
const context = {
|
|
url: serverurl,
|
|
title,
|
|
css,
|
|
html: src[0].outerHTML,
|
|
'ui-toc': toc.html(),
|
|
'ui-toc-affix': tocAffix.html(),
|
|
lang: (md && md.meta && md.meta.lang) ? `lang="${md.meta.lang}"` : null,
|
|
dir: (md && md.meta && md.meta.dir) ? `dir="${md.meta.dir}"` : null
|
|
}
|
|
const html = template(context)
|
|
// console.log(html);
|
|
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-]*[-+*]\s\[([x ])\]/)
|
|
if (matches && matches.length >= 2) {
|
|
let checked = null
|
|
if (matches[1] === 'x') { checked = true } else if (matches[1] === ' ') { checked = false }
|
|
const replacements = matches[0].match(/(^[>\s-]*[-+*]\s\[)([x ])(\])/)
|
|
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 */
|
|
var 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 = $('<div class="toc-menu"></div')
|
|
const toggle = $('<a class="expand-toggle" href="#">Expand all</a>')
|
|
const backtotop = $('<a class="back-to-top" href="#">Back to top</a>')
|
|
const gotobottom = $('<a class="go-to-bottom" href="#">Go to bottom</a>')
|
|
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 frameborder='0' webkitallowfullscreen mozallowfullscreen allowfullscreen></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 = '<span class="octicon octicon-link"></span>'
|
|
anchor.title = id
|
|
return anchor
|
|
}
|
|
|
|
const linkifyAnchors = (level, containingElement) => {
|
|
const headers = containingElement.getElementsByTagName(`h${level}`)
|
|
|
|
for (let i = 0, l = headers.length; i < l; i++) {
|
|
let header = headers[i]
|
|
if (header.getElementsByClassName('anchor').length === 0) {
|
|
if (typeof header.id === 'undefined' || header.id === '') {
|
|
// to escape characters not allow in css and humanize
|
|
const id = slugifyWithUTF8(getHeaderContent(header))
|
|
header.id = 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
|
|
}
|
|
|
|
export function deduplicatedHeaderId (view) {
|
|
const headers = view.find(':header.raw').removeClass('raw').toArray()
|
|
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 $duplicatedHeader = $(duplicatedHeaders[j])
|
|
$duplicatedHeader.attr('id', newId)
|
|
const $headerLink = $duplicatedHeader.find(`> a.anchor[href="#${id}"]`)
|
|
$headerLink.attr('href', `#${newId}`)
|
|
$headerLink.attr('title', 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 */
|
|
let 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 `<div class="sequence-diagram raw">${code}</div>`
|
|
} else if (lang === 'flow') {
|
|
return `<div class="flow-chart raw">${code}</div>`
|
|
} else if (lang === 'graphviz') {
|
|
return `<div class="graphviz raw">${code}</div>`
|
|
} else if (lang === 'mermaid') {
|
|
return `<div class="mermaid raw">${code}</div>`
|
|
} else if (lang === 'abc') {
|
|
return `<div class="abc raw">${code}</div>`
|
|
}
|
|
const result = {
|
|
value: code
|
|
}
|
|
const showlinenumbers = /=$|=\d+$|=\+$/.test(lang)
|
|
if (showlinenumbers) {
|
|
let startnumber = 1
|
|
const matches = lang.match(/=(\d+)$/)
|
|
if (matches) { startnumber = parseInt(matches[1]) }
|
|
const lines = result.value.split('\n')
|
|
const linenumbers = []
|
|
for (let i = 0; i < lines.length - 1; i++) {
|
|
linenumbers[i] = `<span data-linenumber='${startnumber + i}'></span>`
|
|
}
|
|
const continuelinenumber = /=\+$/.test(lang)
|
|
const linegutter = `<div class='gutter linenumber${continuelinenumber ? ' continue' : ''}'>${linenumbers.join('\n')}</div>`
|
|
result.value = `<div class='wrapper'>${linegutter}<div class='code'>${result.value}</div></div>`
|
|
}
|
|
return result.value
|
|
}
|
|
|
|
import markdownit from 'markdown-it'
|
|
import markdownitContainer from 'markdown-it-container'
|
|
|
|
export let md = markdownit('default', {
|
|
html: true,
|
|
breaks: true,
|
|
langPrefix: '',
|
|
linkify: true,
|
|
typographer: true,
|
|
highlight: highlightRender
|
|
})
|
|
window.md = md
|
|
|
|
md.use(require('markdown-it-abbr'))
|
|
md.use(require('markdown-it-footnote'))
|
|
md.use(require('markdown-it-deflist'))
|
|
md.use(require('markdown-it-mark'))
|
|
md.use(require('markdown-it-ins'))
|
|
md.use(require('markdown-it-sub'))
|
|
md.use(require('markdown-it-sup'))
|
|
md.use(require('markdown-it-mathjax')({
|
|
beforeMath: '<span class="mathjax raw">',
|
|
afterMath: '</span>',
|
|
beforeInlineMath: '<span class="mathjax raw">\\(',
|
|
afterInlineMath: '\\)</span>',
|
|
beforeDisplayMath: '<span class="mathjax raw">\\[',
|
|
afterDisplayMath: '\\]</span>'
|
|
}))
|
|
md.use(require('markdown-it-imsize'))
|
|
|
|
md.use(require('markdown-it-emoji'), {
|
|
shortcuts: {}
|
|
})
|
|
|
|
window.emojify.setConfig({
|
|
blacklist: {
|
|
elements: ['script', 'textarea', 'a', 'pre', 'code', 'svg'],
|
|
classes: ['no-emojify']
|
|
},
|
|
img_dir: `${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 })
|
|
|
|
let 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('<pre') === 0) {
|
|
return `${highlighted}\n`
|
|
}
|
|
|
|
return `<pre><code${self.renderAttrs(token)}>${highlighted}</code></pre>\n`
|
|
}
|
|
|
|
/* Defined regex markdown it plugins */
|
|
import Plugin from 'markdown-it-regexp'
|
|
|
|
// youtube
|
|
const youtubePlugin = new Plugin(
|
|
// regexp to match
|
|
/{%youtube\s*([\d\D]*?)\s*%}/,
|
|
|
|
(match, utils) => {
|
|
const videoid = match[1]
|
|
if (!videoid) return
|
|
const div = $('<div class="youtube raw"></div>')
|
|
div.attr('data-videoid', videoid)
|
|
const thumbnailSrc = `//img.youtube.com/vi/${videoid}/hqdefault.jpg`
|
|
const image = `<img src="${thumbnailSrc}" />`
|
|
div.append(image)
|
|
const icon = '<i class="icon fa fa-youtube-play fa-5x"></i>'
|
|
div.append(icon)
|
|
return div[0].outerHTML
|
|
}
|
|
)
|
|
// vimeo
|
|
const vimeoPlugin = new Plugin(
|
|
// regexp to match
|
|
/{%vimeo\s*([\d\D]*?)\s*%}/,
|
|
|
|
(match, utils) => {
|
|
const videoid = match[1]
|
|
if (!videoid) return
|
|
const div = $('<div class="vimeo raw"></div>')
|
|
div.attr('data-videoid', videoid)
|
|
const icon = '<i class="icon fa fa-vimeo-square fa-5x"></i>'
|
|
div.append(icon)
|
|
return div[0].outerHTML
|
|
}
|
|
)
|
|
// gist
|
|
const gistPlugin = new Plugin(
|
|
// regexp to match
|
|
/{%gist\s*([\d\D]*?)\s*%}/,
|
|
|
|
(match, utils) => {
|
|
const gistid = match[1]
|
|
const code = `<code data-gist-id="${gistid}"></code>`
|
|
return code
|
|
}
|
|
)
|
|
// TOC
|
|
const tocPlugin = new Plugin(
|
|
// regexp to match
|
|
/^\[TOC\]$/i,
|
|
|
|
(match, utils) => '<div class="toc"></div>'
|
|
)
|
|
// slideshare
|
|
const slidesharePlugin = new Plugin(
|
|
// regexp to match
|
|
/{%slideshare\s*([\d\D]*?)\s*%}/,
|
|
|
|
(match, utils) => {
|
|
const slideshareid = match[1]
|
|
const div = $('<div class="slideshare raw"></div>')
|
|
div.attr('data-slideshareid', slideshareid)
|
|
return div[0].outerHTML
|
|
}
|
|
)
|
|
// speakerdeck
|
|
const speakerdeckPlugin = new Plugin(
|
|
// regexp to match
|
|
/{%speakerdeck\s*([\d\D]*?)\s*%}/,
|
|
|
|
(match, utils) => {
|
|
const speakerdeckid = match[1]
|
|
const div = $('<div class="speakerdeck raw"></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 = $('<div class="pdf raw"></div>')
|
|
div.attr('data-pdfurl', pdfurl)
|
|
return div[0].outerHTML
|
|
}
|
|
)
|
|
|
|
// yaml meta, from https://github.com/eugeneware/remarkable-meta
|
|
function get (state, line) {
|
|
const pos = state.bMarks[line]
|
|
const max = state.eMarks[line]
|
|
return state.src.substr(pos, max - pos)
|
|
}
|
|
|
|
function meta (state, start, end, silent) {
|
|
if (start !== 0 || state.blkIndent !== 0) return false
|
|
if (state.tShift[start] < 0) return false
|
|
if (!get(state, start).match(/^---$/)) return false
|
|
|
|
const data = []
|
|
for (var 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(youtubePlugin)
|
|
md.use(vimeoPlugin)
|
|
md.use(gistPlugin)
|
|
md.use(tocPlugin)
|
|
md.use(slidesharePlugin)
|
|
md.use(speakerdeckPlugin)
|
|
md.use(pdfPlugin)
|
|
|
|
export default {
|
|
md
|
|
}
|