const _ = require('lodash') const cheerio = require('cheerio') const uslug = require('uslug') const pageHelper = require('../../../helpers/page') const URL = require('url').URL const mustacheRegExp = /(\{|{?){2}(.+?)(\}|}?){2}/i /* global WIKI */ module.exports = { async render() { let $ = cheerio.load(this.input, { decodeEntities: true }) if ($.root().children().length < 1) { return '' } // -------------------------------- // STEP: PRE // -------------------------------- for (let child of _.reject(this.children, ['step', 'post'])) { const renderer = require(`../${_.kebabCase(child.key)}/renderer.js`) await renderer.init($, child.config) } // -------------------------------- // Detect internal / external links // -------------------------------- let internalRefs = [] const reservedPrefixes = /^\/[a-z]\//i const exactReservedPaths = /^\/[a-z]$/i const isHostSet = WIKI.config.host.length > 7 && WIKI.config.host !== 'http://' if (!isHostSet) { WIKI.logger.warn('Host is not set. You must set the Site Host under General in the Administration Area!') } $('a').each((i, elm) => { let href = $(elm).attr('href') // -> Ignore empty / anchor links, e-mail addresses, and telephone numbers if (!href || href.length < 1 || href.indexOf('#') === 0 || href.indexOf('mailto:') === 0 || href.indexOf('tel:') === 0) { return } // -> Strip host from local links if (isHostSet && href.indexOf(`${WIKI.config.host}/`) === 0) { href = href.replace(WIKI.config.host, '') } // -> Assign local / external tag if (href.indexOf('://') < 0) { // -> Remove trailing slash if (_.endsWith('/')) { href = href.slice(0, -1) } // -> Check for system prefix if (reservedPrefixes.test(href) || exactReservedPaths.test(href)) { $(elm).addClass(`is-system-link`) } else if (href.indexOf('.') >= 0) { $(elm).addClass(`is-asset-link`) } else { let pagePath = null // -> Add locale prefix if using namespacing if (WIKI.config.lang.namespacing) { // -> Reformat paths if (href.indexOf('/') !== 0) { if (this.config.absoluteLinks) { href = `/${this.page.localeCode}/${href}` } else { href = (this.page.path === 'home') ? `/${this.page.localeCode}/${href}` : `/${this.page.localeCode}/${this.page.path}/${href}` } } else if (href.charAt(3) !== '/') { href = `/${this.page.localeCode}${href}` } try { const parsedUrl = new URL(`http://x${href}`) pagePath = pageHelper.parsePath(parsedUrl.pathname) } catch (err) { return } } else { // -> Reformat paths if (href.indexOf('/') !== 0) { if (this.config.absoluteLinks) { href = `/${href}` } else { href = (this.page.path === 'home') ? `/${href}` : `/${this.page.path}/${href}` } } try { const parsedUrl = new URL(`http://x${href}`) pagePath = pageHelper.parsePath(parsedUrl.pathname) } catch (err) { return } } // -> Save internal references internalRefs.push({ localeCode: pagePath.locale, path: pagePath.path }) $(elm).addClass(`is-internal-link`) } } else { $(elm).addClass(`is-external-link`) if (this.config.openExternalLinkNewTab) { $(elm).attr('target', '_blank') $(elm).attr('rel', this.config.relAttributeExternalLink) } } // -> Update element $(elm).attr('href', href) }) // -------------------------------- // Detect internal link states // -------------------------------- const pastLinks = await this.page.$relatedQuery('links') if (internalRefs.length > 0) { // -> Find matching pages const results = await WIKI.models.pages.query().column('id', 'path', 'localeCode').where(builder => { internalRefs.forEach((ref, idx) => { if (idx < 1) { builder.where(ref) } else { builder.orWhere(ref) } }) }) // -> Apply tag to internal links for found pages $('a.is-internal-link').each((i, elm) => { const href = $(elm).attr('href') let hrefObj = {} try { const parsedUrl = new URL(`http://x${href}`) hrefObj = pageHelper.parsePath(parsedUrl.pathname) } catch (err) { return } if (_.some(results, r => { return r.localeCode === hrefObj.locale && r.path === hrefObj.path })) { $(elm).addClass(`is-valid-page`) } else { $(elm).addClass(`is-invalid-page`) } }) // -> Add missing links const missingLinks = _.differenceWith(internalRefs, pastLinks, (nLink, pLink) => { return nLink.localeCode === pLink.localeCode && nLink.path === pLink.path }) if (missingLinks.length > 0) { if (WIKI.config.db.type === 'postgres') { await WIKI.models.pageLinks.query().insert(missingLinks.map(lnk => ({ pageId: this.page.id, path: lnk.path, localeCode: lnk.localeCode }))) } else { for (const lnk of missingLinks) { await WIKI.models.pageLinks.query().insert({ pageId: this.page.id, path: lnk.path, localeCode: lnk.localeCode }) } } } } // -> Remove outdated links if (pastLinks) { const outdatedLinks = _.differenceWith(pastLinks, internalRefs, (nLink, pLink) => { return nLink.localeCode === pLink.localeCode && nLink.path === pLink.path }) if (outdatedLinks.length > 0) { await WIKI.models.pageLinks.query().delete().whereIn('id', _.map(outdatedLinks, 'id')) } } // -------------------------------- // Add header handles // -------------------------------- let headers = [] $('h1,h2,h3,h4,h5,h6').each((i, elm) => { let headerSlug = uslug($(elm).text()) // -> If custom ID is defined, try to use that instead if ($(elm).attr('id')) { headerSlug = $(elm).attr('id') } // -> Cannot start with a number (CSS selector limitation) if (headerSlug.match(/^\d/)) { headerSlug = `h-${headerSlug}` } // -> Make sure header is unique if (headers.indexOf(headerSlug) >= 0) { let isUnique = false let hIdx = 1 while (!isUnique) { const headerSlugTry = `${headerSlug}-${hIdx}` if (headers.indexOf(headerSlugTry) < 0) { isUnique = true headerSlug = headerSlugTry } hIdx++ } } // -> Add anchor $(elm).attr('id', headerSlug).addClass('toc-header') $(elm).prepend(` `) headers.push(headerSlug) }) // -------------------------------- // Wrap non-empty root text nodes // -------------------------------- $('body').contents().toArray().forEach(item => { if (item && item.type === 'text' && item.parent.name === 'body' && item.data !== `\n` && item.data !== `\r`) { $(item).wrap('
') } }) // -------------------------------- // Wrap root table nodes // -------------------------------- $('body').contents().toArray().forEach(item => { if (item && item.name === 'table' && item.parent.name === 'body') { $(item).wrap('
') } }) // -------------------------------- // STEP: POST // -------------------------------- let output = decodeEscape($.html('body').replace('', '').replace('', '')) for (let child of _.sortBy(_.filter(this.children, ['step', 'post']), ['order'])) { const renderer = require(`../${_.kebabCase(child.key)}/renderer.js`) output = await renderer.init(output, child.config) } // -------------------------------- // Escape mustache expresions // -------------------------------- $ = cheerio.load(output, { decodeEntities: true }) function iterateMustacheNode (node) { $(node).contents().each((idx, item) => { if (item && item.type === 'text') { const rawText = $(item).text().replace(/\r?\n|\r/g, '') if (mustacheRegExp.test(rawText)) { if (!item.parent || item.parent.name === 'body') { $(item).wrap($('

').attr('v-pre', true)) } else { $(item).parent().attr('v-pre', true) } } } else { iterateMustacheNode(item) } }) } iterateMustacheNode($.root()) $('pre').each((idx, elm) => { $(elm).attr('v-pre', true) }) return decodeEscape($.html('body').replace('', '').replace('', '')) } } function decodeEscape (string) { return string.replace(/&#x([0-9a-f]{1,6});/ig, (entity, code) => { code = parseInt(code, 16) // Don't unescape ASCII characters, assuming they're encoded for a good reason if (code < 0x80) return entity return String.fromCodePoint(code) }) }