fix: better (lazier) 'stable' vs 'beta' detection

_common/github.js

@@ -61,20 +61,32 @@ async function getAllReleases(
   }
 
   function transformReleases(release) {
-    release['assets'].forEach(function (asset) {
+    for (let asset of release['assets']) {
       let name = asset['name'];
+      let date = release['published_at']?.replace(/T.*/, '');
+      let download = asset['browser_download_url'];
+
+      // TODO tags aren't always semver / sensical
+      let version = release['tag_name'];
+      let channel;
+      if (release['prerelease']) {
+        // -rcX, -preview, -beta, etc will be checked in _webi/normalize.js
+        channel = 'beta';
+      }
+      let lts = /(\b|_)(lts)(\b|_)/.test(release['tag_name']);
+
       all.releases.push({
         name: name,
-        version: release['tag_name'], // TODO tags aren't always semver / sensical
-        lts: /(\b|_)(lts)(\b|_)/.test(release['tag_name']),
-        channel: !release['prerelease'] ? 'stable' : 'beta',
-        date: (release['published_at'] || '').replace(/T.*/, ''),
+        version: version,
+        lts: lts,
+        channel: channel,
+        date: date,
         os: '', // will be guessed by download filename
         arch: '', // will be guessed by download filename
         ext: '', // will be normalized
-        download: asset['browser_download_url'],
+        download: download,
       });
-    });
+    }
   }
 
   return all;

_webi/normalize.js

@@ -72,7 +72,7 @@ function normalize(all) {
     formats: {},
   };
 
-  all.releases.forEach(function (rel) {
+  for (let rel of all.releases) {
     /* jshint maxcomplexity:25 */
     rel.version = rel.version.replace(/^v/i, '');
     if (!rel.name) {
@@ -85,7 +85,7 @@ function normalize(all) {
         }) || 'unknown';
     }
     // Hacky-doo for musl
-    // TODO some sort of glibc vs musl tag?
+    // TODO 'libc' some sort of glibc vs musl tag?
     if (!rel._musl_native) {
       if (!rel._musl) {
         if (/(\b|\.|_|-)(musl)(\b|\.|_|-)/.test(rel.download)) {
@@ -139,10 +139,28 @@ function normalize(all) {
     }
     supported.formats[tarExt || rel.ext] = true;
 
+    if (!rel.channel) {
+      // basically like this: (+.-_)(beta|rc)(0-9)(+.-_)
+      // matches:
+      //   - v1.0-beta
+      //   - v1.0-beta1.1
+      //   - v1.0-beta-11
+      // won't match:
+      //   - v1.0beta
+      //   - v1.0-beta1b
+      let isBetaRe = /(\b|_)(preview|rc|beta|alpha)(\d+)(\b|_)/;
+      let isBeta = isBetaRe.test(rel.name);
+      if (isBeta) {
+        rel.channel = 'beta';
+      } else {
+        rel.channel = 'stable';
+      }
+    }
+
     if (all.download) {
       rel.download = all.download.replace(/{{ download }}/, rel.download);
     }
-  });
+  }
 
   all.oses = Object.keys(supported.oses).filter(function (name) {
     return maps.oses[name];