Allow petitparser version >=2.1.1<4.0.0 (#49)

Author: jonasfj

pem/CHANGELOG.md

@@ -1,2 +1,6 @@
+## v1.0.1
+ * Fixed incompability with petitparser version 3.x
+ * Relaxed dependency constraints on petitparser to `>=2.1.1<4.0.0`.
+
 ## v1.0.0
  * Initial release, with support for encoding/decoding PEM blocks.

pem/lib/pem.dart

@@ -59,6 +59,8 @@ library pem;
 
 import 'dart:convert' show base64, Codec, Converter;
 import 'dart:math' as math;
+import 'package:petitparser/petitparser.dart';
+
 import 'src/parser.dart' show stricttextualmsg, laxtextualmsg;
 
 /// Labels for PEM encoded strings.

pem/lib/src/helpers.dart

@@ -34,10 +34,10 @@ void _flattenString(dynamic value, StringBuffer target) {
 }
 
 /// Create a [Parser] that ignores output from [p] and return `null`.
-Parser<String> ignore<T>(Parser<T> p) => ActionParser(p, (_) => null);
+Parser<String> ignore<T>(Parser<T> p) => p.map((_) => null);
 
 /// Create a [Parser] that flattens all strings in the result from [p].
-Parser<String> flatten(Parser<dynamic> p) => ActionParser(p, (value) {
+Parser<String> flatten(Parser<dynamic> p) => p.map((value) {
       final s = StringBuffer();
       _flattenString(value, s);
       return s.toString();

pem/pubspec.yaml

@@ -1,5 +1,5 @@
 name: pem
-version: 1.0.0
+version: 1.0.1
 authors:
   - Jonas Finnemann Jensen <[email protected]>
 description: |
@@ -10,7 +10,7 @@ homepage: https://github.com/google/dart-neats/tree/master/pem
 repository: https://github.com/google/dart-neats.git
 issue_tracker: https://github.com/google/dart-neats/labels/pkg:pem
 dependencies:
-  petitparser: ^2.1.1
+  petitparser: '>=2.1.1<4.0.0'
 dev_dependencies:
   test: ^1.5.1
   pedantic: ^1.4.0