@struktoai/mirage-core
Version:
A Unified Virtual Filesystem For AI Agents
46 lines • 2.13 kB
JavaScript
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
import { enotempty } from "../../errors/fs.js";
import { keepLeft, lookupError } from "./dest.js";
import { rstripSlash } from "../../utils/slash.js";
import { norm } from "../../utils/path.js";
/**
* Remove an empty directory, mirroring the python backend.
*
* Both refusals go through the shared error helpers so they carry an
* errno. They used to be bare `Error`s whose only signal was the wording,
* which left the FUSE adapter sniffing message text to recover ENOTEMPTY
* and left every other caller -- `ws.vfs`, the sandbox runtimes -- with an
* error `classify` could not name at all. A missing directory is ENOENT,
* not ENOTDIR: the path resolves to nothing, which is also what python
* reports here.
*/
export async function rmdir(accessor, path) {
const p = norm(path.mountPath);
const store = accessor.store;
if (!(await store.hasDir(p)))
throw await lookupError(store, path, p);
const prefix = `${rstripSlash(p)}/`;
const files = await store.listFiles();
const dirs = await store.listDirs();
const candidates = [...files, ...dirs];
if (candidates.some((k) => k !== p && k.startsWith(prefix)))
throw enotempty(path);
await store.removeDir(p);
// A child written after the listing keeps the directory: ENOTEMPTY, and
// its entry goes back.
if ((await keepLeft(store, p)).size > 0)
throw enotempty(path);
}
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