Move logic from dom to xml module

src/ol/dom.js

@@ -122,27 +122,3 @@ export function replaceChildren(node, children) {
     node.insertBefore(newChild, oldChild);
   }
 }
-
-let document_ = undefined;
-
-/**
- * Register a Document to use when creating nodes for XML serializations. Can be used
- * to inject a Document where there is no globally available implementation.
- *
- * @param {Document} document A Document.
- * @api
- */
-export function registerDocument(document) {
-  document_ = document;
-}
-
-/**
- * Get a document that should be used when creating nodes for XML serializations.
- * @return {Document} The document.
- */
-export function getDocument() {
-  if (document_ === undefined && typeof document !== 'undefined') {
-    document_ = document.implementation.createDocument('', '', null);
-  }
-  return document_;
-}

src/ol/format/xsd.js

@@ -1,8 +1,7 @@
 /**
  * @module ol/format/xsd
  */
-import {getDocument} from '../dom.js';
-import {getAllTextContent} from '../xml.js';
+import {getAllTextContent, getDocument} from '../xml.js';
 import {padNumber} from '../string.js';
 
 

src/ol/xml.js

@@ -2,7 +2,6 @@
  * @module ol/xml
  */
 import {extend} from './array.js';
-import {getDocument} from './dom.js';
 
 
 /**
@@ -509,3 +508,28 @@ export function getXMLSerializer() {
   }
   return xmlSerializer_;
 }
+
+
+let document_ = undefined;
+
+/**
+ * Register a Document to use when creating nodes for XML serializations. Can be used
+ * to inject a Document where there is no globally available implementation.
+ *
+ * @param {Document} document A Document.
+ * @api
+ */
+export function registerDocument(document) {
+  document_ = document;
+}
+
+/**
+ * Get a document that should be used when creating nodes for XML serializations.
+ * @return {Document} The document.
+ */
+export function getDocument() {
+  if (document_ === undefined && typeof document !== 'undefined') {
+    document_ = document.implementation.createDocument('', '', null);
+  }
+  return document_;
+}