Dart 3.7 requirement and formatting.

Author: renggli

CHANGELOG.md

@@ -1,12 +1,8 @@
 # Changelog
 
-## 3.5.0 (Unpublished)
+## 3.4.0 (Unpublished)
 
-* Dart 3.3 requirement.
-
-## 3.4.0
-
-* Dart 3.0 requirement.
+* Dart 3.7 requirement.
 
 ## 3.3.0
 

example/tooltip/tooltip.dart

@@ -7,13 +7,15 @@ import 'package:web/web.dart';
 /// A pretty HTML tooltip machine.
 class Tooltip {
   /// Constructor for tooltip machine.
-  Tooltip(this.root,
-      {this.attributeKey = 'data-tooltip',
-      this.baseCssClass = 'tooltip',
-      this.visibleCssClass = 'visible',
-      this.offsetX = 0,
-      this.offsetY = 0,
-      Duration delay = const Duration(milliseconds: 500)}) {
+  Tooltip(
+    this.root, {
+    this.attributeKey = 'data-tooltip',
+    this.baseCssClass = 'tooltip',
+    this.visibleCssClass = 'visible',
+    this.offsetX = 0,
+    this.offsetY = 0,
+    Duration delay = const Duration(milliseconds: 500),
+  }) {
     tooltip.classList.add(baseCssClass);
 
     final waiting = machine.newState(#waiting);

example/traffic/traffic.dart

@@ -2,12 +2,7 @@ import 'dart:io';
 
 import 'package:statemachine/statemachine.dart';
 
-enum TrafficState {
-  green,
-  yellowToRed,
-  yellowToGreen,
-  red,
-}
+enum TrafficState { green, yellowToRed, yellowToGreen, red }
 
 const ansiReset = '\u001b[0m';
 const ansiRed = '\u001b[31m';
@@ -18,19 +13,20 @@ void output(String output) {
   stdout.write('\r$output$ansiReset');
 }
 
-Callback1<String> keyboardDispatcher(Machine<TrafficState> machine,
-        [TrafficState? state]) =>
-    (input) {
-      if (input == ' ') {
-        if (state != null) {
-          machine.current = state;
-        }
-      } else if (input == 'q') {
-        stdin.echoMode = true;
-        stdin.lineMode = true;
-        exit(0);
-      }
-    };
+Callback1<String> keyboardDispatcher(
+  Machine<TrafficState> machine, [
+  TrafficState? state,
+]) => (input) {
+  if (input == ' ') {
+    if (state != null) {
+      machine.current = state;
+    }
+  } else if (input == 'q') {
+    stdin.echoMode = true;
+    stdin.lineMode = true;
+    exit(0);
+  }
+};
 
 void main() {
   // Require stdout to be connected to terminal.

lib/src/machine.dart

@@ -41,7 +41,10 @@ class Machine<T> {
   State<T> newState(T identifier) {
     if (_states.containsKey(identifier)) {
       throw ArgumentError.value(
-          identifier, 'identifier', 'Duplicated state identifier');
+        identifier,
+        'identifier',
+        'Duplicated state identifier',
+      );
     }
     final state = createState(identifier);
     _states[identifier] = state;
@@ -59,10 +62,14 @@ class Machine<T> {
   Iterable<State<T>> get states => _states.values;
 
   /// Returns the state of the provided identifier.
-  State<T> operator [](T identifier) => _states.containsKey(identifier)
-      ? _states[identifier]!
-      : throw ArgumentError.value(
-          identifier, 'identifier', 'Unknown identifier');
+  State<T> operator [](T identifier) =>
+      _states.containsKey(identifier)
+          ? _states[identifier]!
+          : throw ArgumentError.value(
+            identifier,
+            'identifier',
+            'Unknown identifier',
+          );
 
   /// Returns an event stream that is triggered before each transition.
   Stream<BeforeTransitionEvent<T>> get onBeforeTransition =>
@@ -91,13 +98,14 @@ class Machine<T> {
   /// a single [TransitionError] is rethrown at the end of the state change.
   set current(/*State<T>|T|Null*/ Object? state) {
     // Find and validate the target state.
-    final target = state is State<T>
-        ? state
-        : state is T
+    final target =
+        state is State<T>
+            ? state
+            : state is T
             ? this[state]
             : state == null
-                ? null
-                : throw ArgumentError.value(state, 'state', 'Invalid state');
+            ? null
+            : throw ArgumentError.value(state, 'state', 'Invalid state');
     if (target != null && target.machine != this) {
       throw ArgumentError.value(state, 'state', 'Invalid machine');
     }
@@ -136,8 +144,9 @@ class Machine<T> {
     }
     // Notify listeners about the completed transition.
     if (_afterTransitionController.hasListener) {
-      _afterTransitionController
-          .add(AfterTransitionEvent<T>(this, source, target, errors));
+      _afterTransitionController.add(
+        AfterTransitionEvent<T>(this, source, target, errors),
+      );
     }
     // Rethrow any remaining transition errors at the end.
     if (errors.isNotEmpty) {

lib/src/state.dart

@@ -45,8 +45,9 @@ class State<T> {
   /// Triggers the [callback] when the [Stream] provided by [provider] triggers
   /// an event.
   void onStreamProvider<S>(
-          Provider<Stream<S>> provider, Callback1<S> callback) =>
-      addTransition(StreamTransition<S>(provider, callback));
+    Provider<Stream<S>> provider,
+    Callback1<S> callback,
+  ) => addTransition(StreamTransition<S>(provider, callback));
 
   /// Triggers the [callback] when a [future] yields a value.
   void onFuture<S>(Future<S> future, Callback1<S> callback) =>
@@ -55,8 +56,9 @@ class State<T> {
   /// Triggers the [callback] when the [Future] provided by [provider] yields a
   /// value.
   void onFutureProvider<S>(
-          Provider<Future<S>> provider, Callback1<S> callback) =>
-      addTransition(FutureTransition<S>(provider, callback));
+    Provider<Future<S>> provider,
+    Callback1<S> callback,
+  ) => addTransition(FutureTransition<S>(provider, callback));
 
   /// Triggers the [callback] when [duration] elapses.
   void onTimeout(Duration duration, Callback0 callback) =>

pubspec.yaml

@@ -1,5 +1,5 @@
 name: statemachine
-version: 3.3.1
+version: 3.4.0
 
 homepage: https://github.com/renggli/dart-statemachine
 description: A simple, yet powerful state machine framework for Dart supporting
@@ -11,7 +11,7 @@ topics:
   - streams
 
 environment:
-  sdk: ^3.5.0
+  sdk: ^3.7.0
 dependencies:
   meta: ^1.16.0
 dev_dependencies: