refactor: cleaner nuget implementation

libs/live-fns/nuget.js

@@ -1,14 +1,13 @@
 const axios = require('../axios.js')
 const semColor = require('../utils/sem-color.js')
 
+const pre = versions => versions.filter(v => v.includes('-'))
+const stable = versions => versions.filter(v => !v.includes('-'))
+const latest = versions => versions.length > 0 && versions.slice(-1)[0]
+
 module.exports = async function (method, project, channel) {
   const endpoint = `https://api.nuget.org/v3-flatcontainer/${project}/index.json`
   const { versions } = await axios.get(endpoint).then(res => res.data)
-  const unknownBadgeData = {
-    subject: 'nuget',
-    status: 'unknown',
-    color: 'grey'
-  }
 
   switch (method) {
     case 'v':
@@ -16,38 +15,28 @@ module.exports = async function (method, project, channel) {
 
       switch (channel) {
         case 'latest':
-          if (versions.length > 0) {
-            version = versions.slice(-1)[0]
-          }
+          version = latest(versions)
           break
         case 'pre':
-          const preReleaseVersions = versions.filter(v => v.indexOf('-') !== -1)
-          if (preReleaseVersions.length > 0) {
-            version = preReleaseVersions.slice(-1)[0]
-          }
+          version = latest(pre(versions))
           break
-        default: // by default get stable version
-          const stableVersions = versions.filter(v => v.indexOf('-') === -1)
-          if (stableVersions.length > 0) {
-            version = stableVersions.slice(-1)[0]
-          }
+        default: // get stable version
+          version = latest(stable(versions))
       }
 
-      // if in case version is still empty, try to get the latest
-      if (!version && versions.length > 0) {
-        version = versions.slice(-1)[0]
-      }
+      // in case version is still empty, try to get the latest
+      version = version || latest(versions)
 
-      if (version) {
-        return {
-          subject: 'nuget',
-          status: 'v' + version,
-          color: semColor(version)
-        }
-      } else {
-        return unknownBadgeData
+      return {
+        subject: 'nuget',
+        status: version ? `v${version}` : 'unknown',
+        color: semColor(version)
       }
     default:
-      return unknownBadgeData
+      return {
+        subject: 'nuget',
+        status: 'unknown',
+        color: 'grey'
+      }
   }
 }

libs/utils/sem-color.js

@@ -11,7 +11,7 @@
  */
 
 module.exports = function vc (version) {
-  if (version.match(/\b(alpha|beta|canary)\b/)) {
+  if (version.match(/\b(alpha|beta|canary)/)) {
     return 'cyan'
   }