Migrate vs-marketplace badge to v2

endpoints/vs-marketplace.ts

@@ -0,0 +1,86 @@
+import millify from 'millify'
+import got from '../libs/got'
+import { version as v, versionColor } from '../libs/utils'
+import {
+  badgenServe,
+  BadgenServeMeta as Meta,
+  BadgenServeHandlers as Handlers,
+  BadgenServeHandlerArgs as Args
+} from '../libs/badgen-serve'
+
+export const meta: Meta = {
+  title: 'Visual Studio Marketplace',
+  examples: {
+    '/vs-marketplace/v/vscodevim.vim': 'version',
+    '/vs-marketplace/i/vscodevim.vim': 'installs',
+    '/vs-marketplace/d/vscodevim.vim': 'downloads',
+    '/vs-marketplace/rating/vscodevim.vim': 'rating',
+  }
+}
+
+export const handlers: Handlers = {
+  '/vs-marketplace/:topic<v|i|d|rating>/:pkg': handler
+}
+
+export default badgenServe(handlers)
+
+async function handler ({ topic, pkg }: Args) {
+  const { results } = await queryVSM(pkg)
+  const extension = results[0].extensions[0]
+
+  if (!extension) {
+    return {
+      subject: 'VS Marketplace',
+      status: 'not found',
+      color: 'grey'
+    }
+  }
+
+  switch (topic) {
+    case 'v':
+      const version = extension.versions[0].version
+      return {
+        subject: 'VS Marketplace',
+        status: v(version),
+        color: versionColor(version)
+      }
+    case 'd':
+      const { install, updateCount } = parseStatistics(extension)
+      return {
+        subject: 'downloads',
+        status: millify(install + updateCount),
+        color: 'green'
+      }
+    case 'i':
+      return {
+        subject: 'installs',
+        status: millify(parseStatistics(extension).install),
+        color: 'green'
+      }
+    case 'rating':
+      const { averagerating, ratingcount } = parseStatistics(extension)
+      return {
+        subject: 'rating',
+        status: `${averagerating.toFixed(1)}/5 (${ratingcount})`,
+        color: 'green'
+      }
+  }
+}
+
+const queryVSM = async pkgName => {
+  const endpoint = 'https://marketplace.visualstudio.com/_apis/public/gallery/extensionquery'
+  return got.post(endpoint, {
+    query: { 'api-version': '3.0-preview.1' },
+    body: {
+      filters: [{ criteria: [{ filterType: 7, value: pkgName }] }],
+      flags: 914
+    }
+  }).then(res => res.body)
+}
+
+const parseStatistics = extension => {
+  return extension.statistics.reduce((accu, curr) => {
+    accu[curr.statisticName] = curr.value
+    return accu
+  }, {})
+}

libs/examples.ts

@@ -23,6 +23,7 @@ const liveBadgeExampleList = [
   'rubygems',
   'apm',
   'hackage',
+  'vs-marketplace',
   // CI
   'appveyor',
   // quality & metrics