Implement endpoints/amo v2

endpoints/amo.js

@@ -0,0 +1,65 @@
+const millify = require('millify')
+const got = require('../libs/got.js')
+const stars = require('../libs/utils/stars.js')
+const semColor = require('../libs/utils/sem-color.js')
+const v = require('../libs/utils/version-formatter.js')
+
+const badgenServe = require('../libs/badgen-serve.js')
+
+const examples = [
+  '/amo/v/markdown-viewer-chrome',
+  '/amo/users/markdown-viewer-chrome',
+  '/amo/rating/markdown-viewer-chrome',
+  '/amo/stars/markdown-viewer-chrome',
+  '/amo/reviews/markdown-viewer-chrome',
+]
+
+const handlers = {
+  '/amo/:topic/name': handler
+}
+
+const handler = async (topic, name) => {
+  const endpoint = `https://addons.mozilla.org/api/v3/addons/addon/${name}/`
+  const addon = await got(endpoint).then(res => res.body)
+
+  switch (topic) {
+    case 'v':
+      return {
+        subject: 'mozilla add-on',
+        status: v(addon.current_version.version),
+        color: semColor(addon.current_version.version)
+      }
+    case 'users':
+      return {
+        subject: 'users',
+        status: millify(parseInt(addon.average_daily_users)),
+        color: 'green'
+      }
+    case 'rating':
+      return {
+        subject: 'rating',
+        status: `${Number(addon.ratings.average).toFixed(2)}/5`,
+        color: 'green'
+      }
+    case 'stars':
+      return {
+        subject: 'stars',
+        status: stars(addon.ratings.average),
+        color: 'green'
+      }
+    case 'reviews':
+      return {
+        subject: 'reviews',
+        status: addon.ratings.count,
+        color: 'green'
+      }
+    default:
+      return {
+        subject: 'mozilla add-on',
+        status: 'unknown',
+        color: 'grey'
+      }
+  }
+}
+
+module.exports = badgenServe(handlers, { examples })

libs/badgen-serve.js

@@ -5,7 +5,7 @@ const serve404 = require('./serve-404.js')
 const serveHelp = require('./serve-help.js')
 const serveBadge = require('./serve-badge.js')
 
-module.exports = function createHandler (handlers, { help = '', examples = [] }) {
+module.exports = function createHandler (handlers, { help = '', examples = [] } = {}) {
   return async function httpHandler (req, res) {
     const { pathname, query } = url.parse(req.url, true)