Add conditional imports to prevent importing dart:io on Web targets

CHANGELOG.md

@@ -1,3 +1,6 @@
+## 3.2.1
+- Add conditional imports to prevent importing `dart:io` on Web targets
+
 ## 3.2.0
 - Apply Blend mode at layer level
 

example/pubspec.lock

@@ -169,7 +169,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "3.2.0"
+    version: "3.2.1"
   matcher:
     dependency: transitive
     description:

lib/src/lottie.dart

@@ -1,4 +1,3 @@
-import 'dart:io' as io;
 import 'dart:typed_data';
 import 'package:flutter/widgets.dart';
 import 'package:http/http.dart' as http;
@@ -97,7 +96,7 @@ class Lottie extends StatefulWidget {
 
   /// Creates a widget that displays an [LottieComposition] obtained from a [File].
   static LottieBuilder file(
-    io.File file, {
+    Object file, {
     Animation<double>? controller,
     FrameRate? frameRate,
     bool? animate,

lib/src/lottie_builder.dart

@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'dart:io' as io;
 import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 import 'package:http/http.dart' as http;
@@ -111,7 +110,7 @@ class LottieBuilder extends StatefulWidget {
   /// `android.permission.READ_EXTERNAL_STORAGE` permission.
   ///
   LottieBuilder.file(
-    io.File file, {
+    Object file, {
     this.controller,
     this.frameRate,
     this.animate,

lib/src/providers/file_provider_io.dart

@@ -12,11 +12,12 @@ import 'lottie_provider.dart';
 @immutable
 class FileLottie extends LottieProvider {
   FileLottie(
-    this.file, {
+    Object file, {
     super.imageProviderFactory,
     super.decoder,
     super.backgroundLoading,
-  }) : assert(
+  })  : file = file as io.File,
+        assert(
           !kIsWeb,
           'Lottie.file is not supported on Flutter Web. '
           'Consider using either Lottie.asset or Lottie.network instead.',

pubspec.lock

@@ -351,4 +351,4 @@ packages:
     version: "3.1.2"
 sdks:
   dart: ">=3.5.0 <4.0.0"
-  flutter: ">=3.18.0-18.0.pre.54"
+  flutter: ">=3.24.0"

pubspec.yaml

@@ -1,6 +1,6 @@
 name: lottie
 description: Render After Effects animations natively on Flutter. This package is a pure Dart implementation of a Lottie player.
-version: 3.2.0
+version: 3.2.1
 repository: https://github.com/xvrh/lottie-flutter
 
 funding: