jr: show shortened ak_... string in popup window

jrx/src/popup.ts

@@ -97,10 +97,24 @@ pi_repop
         for (let this_akstr of akstrs) {
             // make an li
             let this_li = document.createElement('li');
+            // shorten akstr
+            let this_shakstr = pi_shakstr(this_akstr);
             // make inner text the key
-            this_li.innerHTML = this_akstr;
+            this_li.innerHTML = this_shakstr;
             // add it to the list
             pubkeys_ul.appendChild(this_li);
         }
     }
 }
+
+/**
+ * shorten the ak_... str
+ */
+function
+pi_shakstr
+    (akstr : string)
+    : string
+{
+    console.log('popup shakstr');
+    return akstr.slice(0, 10) + '...';
+}