feat: rubygems

api/services/rubygems.js

@@ -0,0 +1,20 @@
+const fetch = require('isomorphic-unfetch')
+const { send, sendError } = require('../util/http')
+
+module.exports = async (req, res) => {
+  const name = req.query.name
+
+  if (!name) {
+    return res.status(400).json({ error: 'no query given' })
+  }
+
+  try {
+    const response = await fetch(
+      `https://rubygems.org/gems/${encodeURIComponent(name)}`
+    )
+    const availability = response.status !== 200
+    send(res, availability)
+  } catch (err) {
+    sendError(res, err)
+  }
+}