extensions/npm/src/npmView.ts/NpmScriptsTreeDataProvider/getParent
class NpmScriptsTreeDataProvider:	getParent(element: TreeItem): TreeItem | null {
		if (element instanceof Folder) {
			return null;
		}
		if (element instanceof PackageJSON) {
			return element.folder;
		}
		if (element instanceof NpmScript) {
			return element.package;
		}
		if (element instanceof NoScripts) {
			return null;
		}
		return null;
	}