Create future-unwrap-in-flutter.dart

Author: vandadnp

tipsandtricks/future-unwrap-in-flutter/future-unwrap-in-flutter.dart

@@ -0,0 +1,30 @@
+// 🐦 Twitter                   https://twitter.com/vandadnp
+// 🔵 LinkedIn                  https://linkedin.com/in/vandadnp
+// 🎥 YouTube                   https://youtube.com/c/vandadnp
+// 💙 Free Flutter Course       https://linktr.ee/vandadnp
+// 📦 11+ Hours Bloc Course     https://youtu.be/Mn254cnduOY
+// 🔶 7+ Hours MobX Course      https://youtu.be/7Od55PBxYkI
+// 🦄 8+ Hours RxSwift Coursde  https://youtu.be/xBFWMYmm9ro
+// 🤝 Want to support my work?  https://buymeacoffee.com/vandad
+
+import 'dart:async';
+import 'dart:io';
+import 'package:image_picker/image_picker.dart';
+
+extension Unwrap<T> on Future<T?> {
+  Future<T> unwrap() => then(
+        (value) => value != null 
+          ? Future<T>.value(value) 
+          : Future.any([]),
+      );
+}
+
+@immutable
+class ImagePickerHelper {
+  static final ImagePicker _imagePicker = ImagePicker();
+  static Future<File> pickImageFromGallery() => _imagePicker
+      .pickImage(source: ImageSource.gallery)
+      .unwrap()
+      .then((xFile) => xFile.path)
+      .then((filePath) => File(filePath));
+}