Remove unused import

app/pubspec.lock

@@ -145,7 +145,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.0.0"
+    version: "1.0.1"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -464,6 +464,4 @@ packages:
     version: "0.1.2"
 sdks:
   dart: ">=2.12.0 <3.0.0"
-
   flutter: ">=1.22.0"
-

lib/widgets/editor.dart

@@ -1,7 +1,6 @@
 import 'dart:convert';
 import 'dart:io' as io;
 import 'dart:math' as math;
-import 'dart:ui' as ui;
 
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
@@ -110,15 +109,12 @@ Widget _defaultEmbedBuilder(BuildContext context, leaf.Embed node) {
 }
 
 Widget _defaultEmbedBuilderWeb(BuildContext context, leaf.Embed node) {
-  var ui = UniversalUI();
   switch (node.value.type) {
     case 'image':
       String imageUrl = node.value.data;
       Size size = MediaQuery.of(context).size;
-      ui.platformViewRegistry.registerViewFactory(
-        imageUrl,
-        (int viewId) => html.ImageElement()..src = imageUrl,
-      );
+      UniversalUI().platformViewRegistry.registerViewFactory(
+          imageUrl, (int viewId) => html.ImageElement()..src = imageUrl);
       return Padding(
         padding: EdgeInsets.only(
           right: ResponsiveWidget.isMediumScreen(context)