feat: add dub service (dlang package manager) (#482)

api/dub.ts

@@ -0,0 +1,95 @@
+import got from '../libs/got'
+import { millify, stars, version, versionColor } from '../libs/utils'
+import { createBadgenHandler, PathArgs } from '../libs/create-badgen-handler'
+
+// https://github.com/dlang/dub-registry/blob/v2.4.0/source/dubregistry/api.d#L77-L99
+const DUB_REGISTRY_API = 'https://code.dlang.org/api/packages/'
+
+const client = got.extend({ prefixUrl: DUB_REGISTRY_API })
+
+export default createBadgenHandler({
+  title: 'DUB',
+  examples: {
+    '/dub/v/dub': 'version',
+    '/dub/license/arsd-official': 'license',
+    '/dub/dt/vibe-d': 'total downloads',
+    '/dub/dd/vibe-d': 'daily downloads',
+    '/dub/dw/vibe-d': 'weekly downloads',
+    '/dub/dm/vibe-d': 'monthly downloads',
+    '/dub/rating/pegged': 'rating',
+    '/dub/stars/silly': 'stars'
+  },
+  handlers: {
+    '/dub/:topic<v|version|license|dd|dw|dm|dt|rating|stars>/:pkg': handler
+  }
+})
+
+async function handler ({ topic, pkg }: PathArgs) {
+  switch (topic) {
+    case 'v':
+    case 'version': {
+      const ver = await client.get(`${pkg}/latest`).json<any>()
+      return {
+        subject: 'dub',
+        status: version(ver),
+        color: versionColor(ver)
+      }
+    }
+    case 'license': {
+      const { info } = await client.get(`${pkg}/latest/info`).json<any>()
+      return {
+        subject: 'license',
+        status: info.license || 'unknown',
+        color: 'blue'
+      }
+    }
+    case 'dt': {
+      const { downloads } = await client.get(`${pkg}/stats`).json<any>()
+      return {
+        subject: 'downloads',
+        status: millify(downloads.total),
+        color: 'green'
+      }
+    }
+    case 'dd': {
+      const { downloads } = await client.get(`${pkg}/stats`).json<any>()
+      return {
+        subject: 'downloads',
+        status: `${millify(downloads.daily)}/day`,
+        color: 'green'
+      }
+    }
+    case 'dw': {
+      const { downloads } = await client.get(`${pkg}/stats`).json<any>()
+      return {
+        subject: 'downloads',
+        status: `${millify(downloads.weekly)}/week`,
+        color: 'green'
+      }
+    }
+    case 'dm': {
+      const { downloads } = await client.get(`${pkg}/stats`).json<any>()
+      return {
+        subject: 'downloads',
+        status: `${millify(downloads.monthly)}/month`,
+        color: 'green'
+      }
+    }
+    case 'rating': {
+      const { score } = await client.get(`${pkg}/stats`).json<any>()
+      return {
+        subject: 'rating',
+        status: `${score.toFixed(2)}/5`,
+        color: 'green'
+      }
+    }
+    case 'stars': {
+      const { score } = await client.get(`${pkg}/stats`).json<any>()
+      return {
+        subject: 'stars',
+        status: stars(score),
+        color: 'green'
+      }
+    }
+  }
+}

libs/badge-list.ts

@@ -33,6 +33,7 @@ export const liveBadgeList = [
   'cpan',
   'cran',
   'ctan',
+  'dub',
   'elm-package',
   'scoop',
   'winget',