extensionFromMimeType static method
Gets the extension for a MIME type.
Implementation
@visibleForTesting
static String? extensionFromMimeType(String mimeType) {
final String ext = defaultExtensionMap.entries
.firstWhere(
(e) => e.value == mimeType,
orElse: () => const MapEntry('', ''),
)
.key;
return ext.isNotEmpty ? ext : null;
}