add ui

ui/utils/parseQueryString.js

@@ -0,0 +1,11 @@
+export default function parseQueryString(str) {
+  const obj = {};
+  (str || document.location.search)
+    .replace(/(^\?)/, '')
+    .split('&')
+    .forEach((n) => {
+      const [key, value] = n.split('=').map(v => decodeURIComponent(v));
+      obj[key] = value;
+    });
+  return obj;
+}