Allow latest pkg:yaml (#768)

Prepare to publish v1.0.4

Author: kevmoo

checked_yaml/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.0.4
+
+- Allow `package:yaml` `v3.x`.
+
 ## 1.0.3
 
 - Require at least Dart `2.7.0`.

checked_yaml/lib/checked_yaml.dart

@@ -27,8 +27,17 @@ T checkedYamlDecode<T>(
   allowNull ??= false;
   YamlNode yaml;
 
+  Uri sourceUri;
+  if (sourceUrl == null) {
+    // noop
+  } else if (sourceUrl is Uri) {
+    sourceUri = sourceUrl;
+  } else {
+    sourceUri = Uri.parse(sourceUrl as String);
+  }
+
   try {
-    yaml = loadYamlNode(yamlContent, sourceUrl: sourceUrl);
+    yaml = loadYamlNode(yamlContent, sourceUrl: sourceUri);
   } on YamlException catch (e) {
     throw ParsedYamlException.fromYamlException(e);
   }

checked_yaml/pubspec.yaml

@@ -1,16 +1,16 @@
 name: checked_yaml
-version: 1.0.3
+version: 1.0.4
 description: >-
   Generate more helpful exceptions when decoding YAML documents using
   package:json_serializable and package:yaml.
-homepage: https://github.com/google/json_serializable.dart
+repository: https://github.com/google/json_serializable.dart
 environment:
   sdk: '>=2.7.0 <3.0.0'
 
 dependencies:
   json_annotation: '>=2.2.0 <5.0.0'
   source_span: ^1.0.0
-  yaml: ^2.1.13
+  yaml: '>=2.1.13 <4.0.0'
 
 dev_dependencies:
   build_runner: ^1.0.0