Add [Vcpkg] version service (#8923)

Co-authored-by: chris48s <chris48s@users.noreply.github.com>

services/vcpkg/vcpkg-version.service.js

@@ -0,0 +1,49 @@
+import Joi from 'joi'
+import { ConditionalGithubAuthV3Service } from '../github/github-auth-service.js'
+import { fetchJsonFromRepo } from '../github/github-common-fetch.js'
+import { renderVersionBadge } from '../version.js'
+import { NotFound } from '../index.js'
+
+const vcpkgManifestSchema = Joi.object({
+  version: Joi.string().required(),
+}).required()
+
+export default class VcpkgVersion extends ConditionalGithubAuthV3Service {
+  static category = 'version'
+
+  static route = { base: 'vcpkg/v', pattern: ':portName' }
+
+  static examples = [
+    {
+      title: 'Vcpkg',
+      namedParams: { portName: 'entt' },
+      staticPreview: this.render({ version: '3.11.1' }),
+    },
+  ]
+
+  static defaultBadgeData = { label: 'vcpkg' }
+
+  static render({ version }) {
+    return renderVersionBadge({ version })
+  }
+
+  async handle({ portName }) {
+    try {
+      const { version } = await fetchJsonFromRepo(this, {
+        schema: vcpkgManifestSchema,
+        user: 'microsoft',
+        repo: 'vcpkg',
+        branch: 'master',
+        filename: `ports/${portName}/vcpkg.json`,
+      })
+      return this.constructor.render({ version })
+    } catch (error) {
+      if (error instanceof NotFound) {
+        throw new NotFound({
+          prettyMessage: 'port not found',
+        })
+      }
+      throw error
+    }
+  }
+}

services/vcpkg/vcpkg-version.tester.js

@@ -0,0 +1,16 @@
+import { isSemver } from '../test-validators.js'
+import { createServiceTester } from '../tester.js'
+
+export const t = await createServiceTester()
+
+t.create('gets the port version of entt')
+  .get('/entt.json')
+  .expectBadge({ label: 'vcpkg', message: isSemver })
+
+t.create('returns not found for invalid port')
+  .get('/this-port-does-not-exist.json')
+  .expectBadge({
+    label: 'vcpkg',
+    color: 'red',
+    message: 'port not found',
+  })