extensionOf method
Returns the extension of the path
.
The extension is the part behind the last '.'.
If the only '.' is at the top, the result is '' otherwise the the last part with '.'.
deprecated: Use extension() from package path
Implementation
@deprecated
String extensionOf(String path) {
var rc = '';
final ix = path.lastIndexOf('.');
final ixSlash = path.lastIndexOf(sep);
if (ix > 0 && (ixSlash < 0 || ix > ixSlash + 1)) {
rc = path.substring(ix);
}
return rc;
}