Created
October 14, 2022 06:16
-
-
Save febritecno/84c7953ba4be90a273f2dcc9fb9937b3 to your computer and use it in GitHub Desktop.
Dart helper
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// handle null and handle deepest data json | |
T? resolve<T>({ | |
required Map<String, dynamic>? json, | |
required String path, | |
T? defaultValue, | |
}) { | |
try { | |
if (json == null) { | |
return defaultValue; | |
} | |
dynamic current = json; | |
path.split('.').forEach((segment) { | |
final maybeInt = int.tryParse(segment); | |
if (maybeInt != null && current is List<dynamic>) { | |
current = current[maybeInt]; | |
} else if (current is Map<String, dynamic>) { | |
current = current[segment]; | |
} | |
}); | |
return (current as T?) ?? defaultValue; | |
} catch (error) { | |
return defaultValue; | |
} | |
} | |
T? isNull<T>( | |
dynamic value, { | |
defaultValue = "-", | |
}) { | |
try { | |
if (value == null) { | |
return defaultValue; | |
} | |
return (value as T?) ?? defaultValue; | |
} catch (error) { | |
return defaultValue; | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment