isImage static method
check field is valid image
Implementation
static bool isImage(Map<String, dynamic> data, dynamic value, String args) {
if (value is! RequestFile) {
return false;
}
List<String> extensions = <String>[
'jpg',
'jpeg',
'png',
'gif',
'bmp',
'svg',
'webp',
'tiff',
'ico'
];
if (args.toString().isNotEmpty) {
extensions = args.toString().split(',');
}
if (extensions.contains(value.extension)) {
return true;
}
return false;
}