From 251c792d74bb5482f72c452f3e7fd009304d695e Mon Sep 17 00:00:00 2001
From: Peter Dave Hello <hsu@peterdavehello.org>
Date: Mon, 10 Oct 2016 17:16:15 +0800
Subject: [PATCH] Add CDNJS version integration

---
 index.html |  4 ++++
 server.js  | 26 ++++++++++++++++++++++++++
 try.html   |  4 ++++
 3 files changed, 34 insertions(+)

diff --git a/index.html b/index.html
index bb05485..f441400 100644
--- a/index.html
+++ b/index.html
@@ -407,6 +407,10 @@ Pixel-perfect &nbsp; Retina-ready &nbsp; Fast &nbsp; Consistent &nbsp; Hackable
 </tbody></table>
 <h3 id="version"> Version </h3>
 <table class='badge'><tbody>
+  <tr><th data-keywords='cdn cdnjs'> CDNJS: </th>
+  <td><img src='https://img.shields.io/cdnjs/v/jquery.svg?maxAge=2592000' alt=''/></td>
+  <td><code>https://img.shields.io/cdnjs/v/jquery.svg</code></td>
+  </tr>
   <tr><th data-keywords='node'> npm: </th>
   <td><img src='https://img.shields.io/npm/v/npm.svg?maxAge=2592000' alt=''/></td>
   <td><code>https://img.shields.io/npm/v/npm.svg</code></td>
diff --git a/server.js b/server.js
index 33c9d10..f8678ab 100644
--- a/server.js
+++ b/server.js
@@ -1408,6 +1408,32 @@ cache(function(data, match, sendBadge, request) {
   });
 }));
 
+// CDNJS version integration
+camp.route(/^\/cdnjs\/v\/(.*)\.(svg|png|gif|jpg|json)$/,
+cache(function(data, match, sendBadge, request) {
+  var library = encodeURIComponent(match[1]);  // eg, "express" or "@user/express"
+  var format = match[2];
+  var apiUrl = 'https://api.cdnjs.com/libraries/' + library + '?fields=version';
+  var badgeData = getBadgeData('cdnjs', data);
+  request(apiUrl, function(err, res, buffer) {
+    if (err != null) {
+      badgeData.text[1] = 'inaccessible';
+      sendBadge(format, badgeData);
+      return;
+    }
+    try {
+      var version = JSON.parse(buffer).version || 0;
+      var vdata = versionColor(version);
+      badgeData.text[1] = vdata.version;
+      badgeData.colorscheme = vdata.color;
+      sendBadge(format, badgeData);
+    } catch(e) {
+      badgeData.text[1] = 'not found';
+      sendBadge(format, badgeData);
+    }
+  });
+}));
+
 // npm download integration.
 camp.route(/^\/npm\/dm\/(.*)\.(svg|png|gif|jpg|json)$/,
 cache(function(data, match, sendBadge, request) {
diff --git a/try.html b/try.html
index 4fea415..54c2397 100644
--- a/try.html
+++ b/try.html
@@ -406,6 +406,10 @@ Pixel-perfect &nbsp; Retina-ready &nbsp; Fast &nbsp; Consistent &nbsp; Hackable
 </tbody></table>
 <h3 id="version"> Version </h3>
 <table class='badge'><tbody>
+  <tr><th data-keywords='cdn cdnjs'> CDNJS: </th>
+  <td><img src='/cdnjs/v/jquery.svg' alt=''/></td>
+  <td><code>https://img.shields.io/cdnjs/v/jquery.svg</code></td>
+  </tr>
   <tr><th data-keywords='node'> npm: </th>
   <td><img src='/npm/v/npm.svg' alt=''/></td>
   <td><code>https://img.shields.io/npm/v/npm.svg</code></td>