fromDefault static method
We can provider capabity for multi instance. This function ONLY for convenience
Implementation
static Future<FileCache> fromDefault({
Loader loader = defaultLoader,
String? path,
bool scan = false,
}) async {
if (_instance == null) {
final Completer<FileCache> completer = Completer<FileCache>();
if (path == null) {
Directory dir = await getTemporaryDirectory();
path = "${dir.path}/cache2";
}
final fileCache = FileCache(
path: path,
loader: loader,
);
if (scan) {
fileCache.scanFolder().then((ScanResult res) {
print("FileCache in scan, delete ${res.deleteCount} file.");
fileCache.stats.bytesInFile = res.bytes;
completer.complete(fileCache);
});
} else {
completer.complete(fileCache);
}
_instance = completer.future;
}
return _instance!;
}