Add Podcasting 2.0 chapters

helpers.js

@@ -1,6 +1,6 @@
 const { decode, encode } = require('html-entities')
-const { writeFileSync } = require('fs')
+const { mkdirSync, writeFileSync } = require('fs')
-const { join, resolve } = require('path')
+const { dirname, join, resolve } = require('path')
 const meta = require('./content/meta.json')
 const dir = resolve(__dirname, '.')
 
@@ -24,7 +24,12 @@ const HOST = IS_DEV ? 'http://localhost:3000' : 'https://einundzwanzig.space'
 
 // replacements
 const replacements = str => str && str.replace(/<\/?u>/g, '').replace(meta.tallycoinUrl, meta.shoutoutUrl)
-const stripHTML = str => str && encode(decode(str.replace(/(<([^>]+)>)/ig, '').trim().replace(/\n\s*/g, '\n')), { level: 'xml' })
+const stripHTML = str => str && encode(decode(str
+  .replace(/<br(\s?\/?)>/g, '\n')
+  .replace(/<\/(p|ul|ol)>/g, '\n\n')
+  .replace(/(<([^>]+)>)/ig, '')
+  .trim()
+  .replace(/\n\s*/g, '\n')), { level: 'xml' })
 
 // meetups
 const toMeetupMapInfo = m => {
@@ -89,7 +94,11 @@ const assetUrl = (path, protocol = 'https') => {
   return url
 }
 
-const write = (name, data) => writeFileSync(join(dir, name), data)
+const write = (name, data) => {
+  const dst = join(dir, name)
+  mkdirSync(dirname(dst), { recursive: true })
+  writeFileSync(dst, data)
+}
 const writeJSON = (name, data) => write(`generated/${name}.json`, JSON.stringify(data, null, 2))
 
 module.exports = {

package-lock.json

@@ -1053,9 +1053,9 @@
       }
     },
     "node_modules/caniuse-lite": {
-      "version": "1.0.30001660",
+      "version": "1.0.30001701",
-      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001660.tgz",
+      "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001701.tgz",
-      "integrity": "sha512-GacvNTTuATm26qC74pt+ad1fW15mlQ/zuTzzY1ZoIzECTP8HURDfF43kNxPgf7H1jmelCBQTTbBNxdSXOA7Bqg==",
+      "integrity": "sha512-faRs/AW3jA9nTwmJBSO1PQ6L/EOgsB5HMQQq4iCu5zhPgVVgO/pZRHlmatwijZKetFw8/Pr4q6dEN8sJuq8qTw==",
       "dev": true,
       "funding": [
         {

tasks/fetch_feed.js

@@ -1,5 +1,5 @@
-const { replacements, slugify, stripHTML, participantsWithAliases, participantToId, assetUrl, writeJSON } = require('../helpers')
+const { replacements, slugify, stripHTML, participantsWithAliases, participantToId, assetUrl, write, writeJSON } = require('../helpers')
-const { masterFeedUrl, publicFeedUrl, nodeId } = require('../content/meta.json')
+const { masterFeedUrl, publicFeedUrl, nodeId, title: podcastName } = require('../content/meta.json')
 const participantsRaw = require('../content/participants.json')
 const request = require('sync-request')
 const { XMLParser } = require('fast-xml-parser')
@@ -125,7 +125,8 @@ const parseEpisode = e => {
     const episode = parseEpisode(item)
     episodes.push(episode)
 
-    const link = `https://einundzwanzig.space/podcast/${episode.slug}`
+    const episodePath = `podcast/${episode.slug}`
+    const link = `https://einundzwanzig.space/${episodePath}`
     let { description, descriptionPlain } = episode
     if (index > 20) {
       description = `Shownotes: ${link}`
@@ -203,6 +204,27 @@ const parseEpisode = e => {
       })
     }
 
+    // chapters
+    const chapterInfo = descriptionPlain.match(/(\d{1,2}:\d{2}:\d{2})\s(.*)/g)
+    if (chapterInfo) {
+      try {
+        const chapters = chapterInfo.map(chapter => {
+          const [_, hms, title] = chapter.match(/(\d{1,2}:\d{2}:\d{2})\s(.*)/)
+          const [h, m, s] = hms.split(':')
+          const startTime = parseInt(h) * 3600 + parseInt(m) * 60 + parseInt(s)
+          return { startTime, title }
+        })
+        const chapterData = { version: '1.2.0', podcastName, title: episode.title, chapters }
+        write(`dist/${episodePath}/chapters.json`, JSON.stringify(chapterData, null, 2))
+        updated['podcast:chapters'] = {
+          __attr: { url: `${link}/chapters.json`, type: 'application/json+chapters' }
+        }
+      }
+      catch (e) {
+        console.error('Error generating chapters for', episode.slug, chapterInfo)
+      }
+    }
+
     return updated
   })
 

tasks/generate_pages.js

@@ -1,6 +1,6 @@
 const pug = require('pug')
-const { mkdirSync, writeFileSync } = require('fs')
+const { resolve } = require('path')
-const { dirname, resolve } = require('path')
+const { write } = require('../helpers')
 const { slugify, participantsWithAliases, participantToId } = require('../helpers')
 const config = require('../pug.config')
 const site = require('../generated/site-data.json')
@@ -37,11 +37,8 @@ const renderPage = (template, out, data = {}) => {
   const file = resolve(__dirname, '..', templateFile)
   const options = Object.assign({}, config, { site }, data, { pagePath })
   const rendered = pug.renderFile(file, options)
-  const dst = resolve(__dirname, '..', 'dist', dest)
-  const dir = dirname(dst)
 
-  mkdirSync(dir, { recursive: true })
+  write(`dist/${dest}`, rendered)
-  writeFileSync(dst, rendered)
 }
 
 renderPage('index', 'index', { navCurrent: 'index', currentEpisode: episodes[0], participants })