feat: Added FutureOr in AsyncResult.MapError

Flutterando · Jan 26, 2023 · 5e16d57 · 5e16d57
1 parent b3581d0
commit 5e16d57
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Showing 6 changed files with 168 additions and 118 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## [1.0.5] - 2023-01-26
+
+* feat: Added FutureOr in AsyncResult.MapError
 ## [1.0.4] - 2023-01-26
 
 * feat: Added FutureOr in AsyncResult.Map

diff --git a/example/pubspec.lock b/example/pubspec.lock
@@ -5,7 +5,8 @@ packages:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.0"
   result_dart:
@@ -14,6 +15,6 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.0.1"
+    version: "1.0.5"
 sdks:
-  dart: ">=2.15.1 <3.0.0"
+  dart: ">=2.15.1 <4.0.0"
diff --git a/lib/src/async_result.dart b/lib/src/async_result.dart
@@ -26,7 +26,9 @@ extension AsyncResultExtension<S extends Object, F extends Object> //
 
   /// Returns a new `AsyncResult`, mapping any `Success` value
   /// using the given transformation.
-  AsyncResult<W, F> map<W extends Object>(FutureOr<W> Function(S success) fn) {
+  AsyncResult<W, F> map<W extends Object>(
+    FutureOr<W> Function(S success) fn,
+  ) {
     return then(
       (result) => result.map(fn).fold(
         (success) async {
@@ -41,8 +43,19 @@ extension AsyncResultExtension<S extends Object, F extends Object> //
 
   /// Returns a new `Result`, mapping any `Error` value
   /// using the given transformation.
-  AsyncResult<S, W> mapError<W extends Object>(W Function(F error) fn) {
-    return then((result) => result.mapError(fn));
+  AsyncResult<S, W> mapError<W extends Object>(
+    FutureOr<W> Function(F error) fn,
+  ) {
+    return then(
+      (result) => result.mapError(fn).fold(
+        (success) {
+          return Success(success);
+        },
+        (failure) async {
+          return Failure(await failure);
+        },
+      ),
+    );
   }
 
   /// Change a [Success] value.