tryParse static method
Returns null if source is empty, not valid JSON, or missing codePoint.
Implementation
static IconData? tryParse(String source) {
if (source.isEmpty) return null;
try {
final map = jsonDecode(source);
if (map is! Map<String, dynamic>) return null;
final codePoint = map['codePoint'];
if (codePoint is! int) return null;
return IconData(
codePoint,
fontFamily: map['fontFamily'] as String?,
fontPackage: map['fontPackage'] as String?,
matchTextDirection: map['matchTextDirection'] as bool? ?? false,
);
} on FormatException {
return null;
} on TypeError {
return null;
}
}