Auto patch window if browser

.changeset/calm-tools-tease.md

@@ -0,0 +1,5 @@
+---
+'@chialab/quantum': patch
+---
+
+Auto patch window if browser.

.changeset/pre.json

@@ -1,12 +1,8 @@
 {
   "mode": "pre",
-  "tag": "latest",
+  "tag": "alpha",
   "initialVersions": {
     "@chialab/quantum": "0.0.1"
   },
-  "changesets": [
-    "kind-buckets-drop",
-    "spicy-worms-double",
-    "three-trainers-design"
-  ]
+  "changesets": ["kind-buckets-drop", "spicy-worms-double", "three-trainers-design"]
 }

src/Realm.js

@@ -1,5 +1,3 @@
-import { extend } from './extend.js';
-
 /**
  * @typedef {{ addedNodes: ChildNode[]; removedNodes: ChildNode[]; previousSibling: ChildNode | null; nextSibling: ChildNode | null }} MutationRecord
  */
@@ -14,11 +12,9 @@ const REALM_PARENT_SYMBOL = Symbol();
 /**
  * Create and attach a realm for a node.
  * @param {HTMLElement & { [REALM_SYMBOL]?: Realm }} node The root node.
- * @param {Window & typeof globalThis} [namespace] The namespace to use as DOM environment.
  * @returns The realm instance.
  */
-export function attachRealm(node, namespace = window) {
-    extend(namespace);
+export function attachRealm(node) {
     if (REALM_SYMBOL in node) {
         throw new Error('Node already has a realm');
     }

src/index.js

@@ -1,2 +1,8 @@
-export { extend } from './extend.js';
+import { extend } from './extend.js';
+
+export { extend };
 export { Realm, attachRealm, getRealm } from './Realm.js';
+
+if (typeof window !== 'undefined') {
+    extend(window);
+}