upgrade Asciidoctor.js used in UI preview [skip ci]

Author: mojavelinux

gulp.d/tasks/build-preview-pages.js

@@ -1,12 +1,6 @@
 'use strict'
 
-// NOTE remove patch after upgrading from asciidoctor.js to @asciidoctor/core
-Error.call = (self, ...args) => {
-  const err = new Error(...args)
-  return Object.assign(self, { message: err.message, stack: err.stack })
-}
-
-const asciidoctor = require('asciidoctor.js')()
+const Asciidoctor = require('@asciidoctor/core')()
 const fs = require('fs')
 const { promises: fsp } = fs
 const handlebars = require('handlebars')
@@ -43,7 +37,7 @@ module.exports = (src, previewSrc, previewDest, sink = () => map()) => (done) =>
             if (file.stem === '404') {
               uiModel.page = { layout: '404', title: 'Page Not Found' }
             } else {
-              const doc = asciidoctor.load(file.contents, { safe: 'safe', attributes: ASCIIDOC_ATTRIBUTES })
+              const doc = Asciidoctor.load(file.contents, { safe: 'safe', attributes: ASCIIDOC_ATTRIBUTES })
               uiModel.page.attributes = Object.entries(doc.getAttributes())
                 .filter(([name, val]) => name.startsWith('page-'))
                 .reduce((accum, [name, val]) => {

package-lock.json

@@ -18,7 +18,7 @@
   ],
   "devDependencies": {
     "@octokit/rest": "~18.0",
-    "asciidoctor.js": "1.5.9",
+    "@asciidoctor/core": "~2.2",
     "autoprefixer": "~10.0",
     "browser-pack-flat": "~3.4",
     "browserify": "~17.0",

package.json

@@ -25,7 +25,7 @@ Lorem pertinacia `expetenda` et nec, [.underline]#wisi# illud [.line-through]#so
 Eum an doctus <<liber-recusabo,maiestatis efficiantur>>.
 Eu mea inani iriure.
 
-[source,json]
+[,json]
 ----
 {
   "name": "module-name",
@@ -40,7 +40,7 @@ Eu mea inani iriure.
 ----
 
 .Example paragraph syntax
-[source,asciidoc]
+[,asciidoc]
 ----
 .Optional title
 [example]
@@ -51,23 +51,29 @@ This is an example paragraph.
 [example]
 This is an example paragraph.
 
+.Summary
+[%collapsible]
+====
+Loads of details.
+====
+
 === Some Code
 
 How about some code?
 
-[source,js]
+[,js]
 ----
 vfs
   .src('js/vendor/*.js', { cwd: 'src', cwdbase: true, read: false })
-  .pipe(tap((file) => { // <1>
+  .pipe(tap((file) => { // <.>
     file.contents = browserify(file.relative, { basedir: 'src', detectGlobals: false }).bundle()
   }))
-  .pipe(buffer()) // <2>
+  .pipe(buffer()) // <.>
   .pipe(uglify())
   .pipe(gulp.dest('build'))
 ----
-<1> The tap function is used to wiretap the data in the pipe.
-<2> Wrap each streaming file in a buffer so the files can be processed by uglify.
+<.> The tap function is used to wiretap the data in the pipe.
+<.> Wrap each streaming file in a buffer so the files can be processed by uglify.
 Uglify can only work with buffers, not streams.
 
 Execute these commands to validate and build your site:
@@ -105,7 +111,7 @@ m|"foo\nbar"
 l|foo
 bar
 a|
-[source,ruby]
+[,ruby]
 ----
 puts "foo\nbar"
 ----
@@ -264,7 +270,7 @@ Make the switch today!
 Altera atomorum his ex, has cu elitr melius propriae.
 Eos suscipit scaevola at.
 
-[quote, 'Famous Person. Cum dicat putant ne.', 'Cum dicat putant ne. https://example.com[Famous Person Website]']
+[,'Famous Person. Cum dicat putant ne.','Cum dicat putant ne. https://example.com[Famous Person Website]']
 ____
 Lorem ipsum dolor sit amet, consectetur adipiscing elit.
 Mauris eget leo nunc, nec tempus mi? Curabitur id nisl mi, ut vulputate urna.