Other versions links in frontmatter

Author: ralfhandl

scripts/md2html/build.sh

@@ -24,8 +24,10 @@ cp -p node_modules/respec/builds/respec-w3c.* $deploydir/js/
 
 latest=$(git describe --abbrev=0 --tags)
 
+allVersions=$(ls -1 versions/[23456789].*.md | grep -v -e "\-editors" | sort -r)
+
 if [ -z "$1" ]; then
-  specifications=$(ls -1 versions/[23456789].*.md | grep -v -e "\-editors" | sort -r)
+  specifications=$allVersions
 elif [ "$1" = "latest" ]; then
   specifications=$(ls -1 versions/$latest.md)
 elif [ "$1" = "src" ]; then
@@ -53,7 +55,7 @@ for specification in $specifications; do
 
   echo === Building $version to $destination
 
-  node scripts/md2html/md2html.js --maintainers $maintainers $specification > $tempfile
+  node scripts/md2html/md2html.js --maintainers $maintainers $specification "$allVersions" > $tempfile
   npx respec --no-sandbox --use-local --src $tempfile --out $destination
   rm $tempfile
 

scripts/md2html/md2html.js

@@ -77,6 +77,7 @@ const md = require('markdown-it')({
 });
 
 function preface(title,options) {
+    const otherVersions = options._[1].split('\n').map(v => path.basename(v,'.md')).filter(v => v !== options.subtitle);
     const respec = {
         specStatus: "base",
         latestVersion: "https://spec.openapis.org/oas/latest.html",
@@ -96,6 +97,14 @@ function preface(title,options) {
             height: 48,
             url: "https://openapis.org/"}],
         otherLinks: [
+            {
+                key: "Other versions:",
+                data: otherVersions.map(v => {
+                    return {
+                        href: `https://spec.openapis.org/oas/v${v}.html`
+                    }
+                })
+            },
             {
                 key: "Participate",
                 data: [