Places the set/getLibs functions in script.js and removes utils depen…

…dency. Leaves utils.js as other code in our repo calls getLibs

scripts/scripts.js

@@ -1,5 +1,3 @@
-import { setLibs } from './utils.js';
-
 const LIBS = '/libs';
 const STYLES = ['/styles/styles.css'];
 const CONFIG = {
@@ -157,6 +155,22 @@ const loadStyle = (path) => {
   eagerLoad(marquee.querySelector('img'));
 }());
 
+export const [setLibs, getLibs] = (() => {
+  let libs;
+  return [
+    (prodLibs, location) => {
+      libs = (() => {
+        const { hostname, search } = location || window.location;
+        if (!(hostname.includes('.hlx.') || hostname.includes('local'))) return prodLibs;
+        const branch = new URLSearchParams(search).get('milolibs') || 'main';
+        if (branch === 'local') return 'http://localhost:6456/libs';
+        return branch.includes('--') ? `https://${branch}.hlx.live/libs` : `https://${branch}--milo--adobecom.hlx.live/libs`;
+      })();
+      return libs;
+    }, () => libs,
+  ];
+})();
+
 const miloLibs = setLibs(LIBS);
 
 (function loadStyles() {