getParentPath static method
Extracts the path corresponding to the parent node for a given path.
Implementation
static String? getParentPath(String? path) {
if (path == null) {
return null;
}
if (path.isEmpty) {
return null;
}
var lastDelimiterIndex = path.lastIndexOf(keyDelimiter);
return lastDelimiterIndex == -1
? null
: path.substring(0, lastDelimiterIndex);
}