Merge remote-tracking branch 'upstream/main'

frontend/node_modules/svg-baker/lib/transformations/extract-namespaces-to-root.js

@@ -0,0 +1,35 @@
+const { getRoot } = require('../utils');
+
+/**
+ * @return {Function} PostHTML plugin
+ */
+function extractNamespacesToRoot() {
+  return (tree) => {
+    const namespaces = {};
+
+    tree.match({ tag: /.*/ }, (node) => {
+      const attrs = node.attrs || {};
+
+      Object.keys(attrs).forEach((attr) => {
+        if (attr.startsWith('xmlns')) {
+          if (attr in namespaces === false) {
+            namespaces[attr] = attrs[attr];
+          }
+
+          delete node.attrs[attr];
+        }
+      });
+
+      return node;
+    });
+
+    const root = getRoot(tree);
+    root.attrs = root.attrs || {};
+
+    Object.keys(namespaces).forEach(name => root.attrs[name] = namespaces[name]);
+
+    return tree;
+  };
+}
+
+module.exports = extractNamespacesToRoot;