src/vs/platform/files/browser/indexedDBFileSystemProvider.ts/IndexedDBFileSystemNode/delete
class IndexedDBFileSystemNode:	delete(path: string) {
		const toDelete = path.split('/').filter(p => p.length);
		if (toDelete.length === 0) {
			if (this.entry.type !== FileType.Directory) {
				throw ERR_UNKNOWN_INTERNAL(`Internal error deleting from IndexedDBFSNode. Expected root entry to be directory`);
			}
			this.entry.children.clear();
		} else {
			return this.doDelete(toDelete, path);
		}
	}