minor updated

lib/fluttertoast_web.dart

 import 'dart:async';
 import 'dart:html' as html;
-import 'dart:ui' as ui;
-import 'dart:js' as js;
 import 'package:flutter/services.dart';
 import 'package:flutter_web_plugins/flutter_web_plugins.dart';
 
 class FluttertoastWebPlugin {
-
   FluttertoastWebPlugin() {
     injectCssAndJSLibraries();
   }
 
   static void registerWith(Registrar registrar) {
-    final MethodChannel channel =
-        MethodChannel('PonnamKarthik/fluttertoast', const StandardMethodCodec(), registrar.messenger);
+    final MethodChannel channel = MethodChannel('PonnamKarthik/fluttertoast', const StandardMethodCodec(), registrar.messenger);
     final FluttertoastWebPlugin instance = FluttertoastWebPlugin();
     channel.setMethodCallHandler(instance.handleMethodCall);
   }
@@ -33,10 +29,10 @@ class FluttertoastWebPlugin {
     }
   }
 
-  Future<void> showToast(args) {
+  showToast(args) {
     String msg = args['msg'];
     String gravity = "top";
-    if(args['gravity'] == "top" || args['gravity'] == "bottom") {
+    if (args['gravity'] == "top" || args['gravity'] == "bottom") {
       gravity = args["gravity"];
     }
 
@@ -74,7 +70,13 @@ class FluttertoastWebPlugin {
     // addHtmlToast();
   }
 
-  addHtmlToast({String msg = "", String gravity = "top", String position = "right", String bgcolor = "linear-gradient(to right, #00b09b, #96c93d)", int time = 3000, bool showClose = false}) {
+  addHtmlToast(
+      {String msg = "",
+      String gravity = "top",
+      String position = "right",
+      String bgcolor = "linear-gradient(to right, #00b09b, #96c93d)",
+      int time = 3000,
+      bool showClose = false}) {
     print(html.querySelector("#toast-content"));
     html.Element ele = html.querySelector("#toast-content");
     String content = """
@@ -88,16 +90,12 @@ class FluttertoastWebPlugin {
           });
           toastElement.showToast();
         """;
-    if(html.querySelector("#toast-content") != null) {
+    if (html.querySelector("#toast-content") != null) {
       ele.remove();
     }
     final html.ScriptElement scriptText = html.ScriptElement()
       ..id = "toast-content"
       ..innerHtml = content;
     html.querySelector('head').children.add(scriptText);
-    
   }
-
 }
-
-