Index: packages/when/example/read_json_file.dart |
diff --git a/packages/when/example/read_json_file.dart b/packages/when/example/read_json_file.dart |
deleted file mode 100755 |
index 3092ac8108dffb176cd460b516834bf82aadb3c2..0000000000000000000000000000000000000000 |
--- a/packages/when/example/read_json_file.dart |
+++ /dev/null |
@@ -1,38 +0,0 @@ |
- |
-library when.example.read_json_file; |
- |
-import 'dart:async'; |
-import 'dart:convert'; |
-import 'dart:io'; |
- |
-import 'package:when/when.dart'; |
- |
-/// Reads and decodes JSON from [path] asynchronously. |
-/// |
-/// If [path] does not exist, returns the result of calling [onAbsent]. |
-Future readJsonFile(String path, {onAbsent()}) => _readJsonFile( |
- path, onAbsent, (file) => file.exists(), (file) => file.readAsString()); |
- |
-/// Reads and decodes JSON from [path] synchronously. |
-/// |
-/// If [path] does not exist, returns the result of calling [onAbsent]. |
-readJsonFileSync(String path, {onAbsent()}) => _readJsonFile( |
- path, onAbsent, (file) => file.existsSync(), |
- (file) => file.readAsStringSync()); |
- |
-_readJsonFile(String path, onAbsent(), exists(File file), read(File file)) { |
- var file = new File(path); |
- return when( |
- () => exists(file), |
- onSuccess: (doesExist) => doesExist ? |
- when(() => read(file), onSuccess: JSON.decode) : |
- onAbsent()); |
-} |
- |
-main() { |
- var syncJson = readJsonFileSync('foo.json', onAbsent: () => {'foo': 'bar'}); |
- print('Sync json: $syncJson'); |
- readJsonFile('foo.json', onAbsent: () => {'foo': 'bar'}).then((asyncJson) { |
- print('Async json: $asyncJson'); |
- }); |
-} |