Merge pull request #29 from zino-app/patch-5

Patch 5

CHANGELOG.md

@@ -1,3 +1,17 @@
+## [0.5.2] - July 11 2018
+
+### Breaking change
+
+n/a
+
+#### Fixes / Enhancements
+
+- Fixed error when cache file is non-existent
+
+#### Docs
+
+n/a
+
 ## [0.5.1] - June 29 2018
 
 ### Breaking change

README.md

@@ -25,7 +25,7 @@ First depend on the library by adding this to your packages `pubspec.yaml`:
 
 ```yaml
 dependencies:
-  graphql_flutter: ^0.5.1
+  graphql_flutter: ^0.5.2
 ```
 
 Now inside your Dart code you can import it.

lib/src/cache/in_memory.dart

@@ -36,19 +36,22 @@ class InMemoryCache {
   Future<HashMap<String, dynamic>> _readFromStorage() async {
     try {
       final File file = await _localStorageFile;
-      Stream<dynamic> inputStream = file.openRead();
-
       final HashMap<String, dynamic> storedHashMap =
           new HashMap<String, dynamic>();
 
-      inputStream
-          .transform(utf8.decoder) // Decode bytes to UTF8.
-          .transform(new LineSplitter()) // Convert stream to individual lines.
-          .listen((String line) {
-        final List keyAndValue = json.decode(line);
+      if (file.existsSync()) {
+        Stream<dynamic> inputStream = file.openRead();
+
+        inputStream
+            .transform(utf8.decoder) // Decode bytes to UTF8.
+            .transform(
+                new LineSplitter()) // Convert stream to individual lines.
+            .listen((String line) {
+          final List keyAndValue = json.decode(line);
 
-        storedHashMap[keyAndValue[0]] = keyAndValue[1];
-      });
+          storedHashMap[keyAndValue[0]] = keyAndValue[1];
+        });
+      }
 
       return storedHashMap;
     } on FileSystemException {

pubspec.yaml

@@ -1,6 +1,6 @@
 name: graphql_flutter
 description: A GraphQL client for Flutter.
-version: 0.5.1
+version: 0.5.2
 authors:
 - Eus Dima <eus@zinoapp.com>
 - Zino Hofmann <zino@zinoapp.com>