Use canonical URL for tinyurl creation (closes #3).

fwenzel · Jul 23, 2010 · 62e31eb · 62e31eb
1 parent a7d9dc1
commit 62e31eb
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/main.js b/lib/main.js
@@ -17,6 +17,10 @@ function findShortUrl(ctx) {
 /** Create a short URL from tinyurl.com */
 function createShortUrl(ctx) {
     let req = new xhr.XMLHttpRequest(),
+        url, canonical;
+    // use canonical URL if it exists, current URL otherwise.
+    canonical = ctx.document.querySelector('link[rel=canonical]');
+    if (!(canonical && (url = canonical.getAttribute('href'))))
         url = ctx.document.URL;
     req.open("GET", "http://tinyurl.com/api-create.php?url="
              +encodeURIComponent(url), false);