sync, too many changes to list out

ui/lib/redirect.js

@@ -0,0 +1,13 @@
+import Router from 'next/router'
+
+export default (context, target) => {
+  if (context.res) {
+    // server
+    // 303: "See other"
+    context.res.writeHead(303, { Location: target })
+    context.res.end()
+  } else {
+    // In the browser, we just pretend like this never even happened ;)
+    Router.replace(target)
+  }
+}