first commit

public/scripts/AppIcon.js

@@ -0,0 +1,24 @@
+/* global VT */
+window.VT = window.VT || {};
+
+VT.AppIcon = function (el) {
+  if (el.children.length > 0) return;
+
+  var id = el.getAttribute('data-id');
+  var promise = VT.AppIcon.cache[id];
+
+  if (!promise) {
+    var url = VT.AppIcon.baseUrl + id + '.svg';
+    promise = VT.AppIcon.cache[id] = fetch(url).then(function (r) {
+      return r.text();
+    });
+  }
+
+  promise.then(function (svg) {
+    el.innerHTML = el.classList.contains('-double') ? svg + svg : svg;
+  });
+};
+
+VT.AppIcon.baseUrl =
+  'https://rawcdn.githack.com/primer/octicons/ff7f6eee63fa2f2d24d02e3aa76a87db48e4b6f6/icons/';
+VT.AppIcon.cache = {};