feat: wip invoice customizer

packages/webapp/src/utils/extract-children.ts

@@ -0,0 +1,10 @@
+import React from 'react';
+
+export const extractChildren = <T extends React.ReactNode>(
+  children: React.ReactNode,
+  type: React.ElementType,
+): T[] => {
+  return React.Children.toArray(children).filter(
+    (node) => React.isValidElement(node) && node.type === type,
+  ) as T[];
+};