named exports, for tree-shakeability when we add new stuff

runtime/app.js

@@ -2,7 +2,7 @@ const detach = node => {
 	node.parentNode.removeChild(node);
 };
 
-let component;
+export let component;
 let target;
 let routes;
 
@@ -158,8 +158,7 @@ function findAnchor(node) {
 
 let inited;
 
-const app = {
-	init(_target, _routes) {
+export function init(_target, _routes) {
 	target = _target;
 	routes = _routes;
 
@@ -179,7 +178,6 @@ const app = {
 	history.replaceState({ id: uid }, '', window.location.href);
 	navigate(new URL(window.location), uid);
 }
-};
 
 function which(event) {
 	event = event || window.event;
@@ -192,5 +190,3 @@ function scroll_state() {
 		y: window.scrollY
 	};
 }
-
-export default app;