@struktoai/mirage-core/dist/core/tidb_filesystem/readdir.js

A Unified Virtual Filesystem For AI Agents

// ========= 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 { enotdir } from "../../errors/fs.js";
import { ancestors, norm } from "../../utils/path.js";
import { compareCodePoints } from "../../utils/sort.js";
import { listEntries } from "./client.js";
import { folderOf, kindsOf, lookupError } from "./dest.js";
import { backendPath } from "./path.js";
import { fileStat } from "./stat.js";
/**
 * A folder's rows from one listing, sorted by name. drive9 lists a missing
 * folder as an empty one, so only an empty listing asks what the path is. A
 * name that is both a file and a directory lists once, as the directory, as
 * it does on an object store.
 */
export async function readdir(accessor, path) {
    const listPath = path.pattern !== null ? path.dir : path;
    const key = norm(listPath.mountPath);
    const entries = await listEntries(accessor, backendPath(accessor.config, listPath));
    if (entries.length === 0) {
        const kinds = await kindsOf(accessor, [...ancestors(key), key]);
        const found = folderOf(kinds, key);
        if (found === null)
            throw lookupError(kinds, listPath, key);
        if (!found.isDir)
            throw enotdir(listPath);
        return [];
    }
    const rows = new Map([...entries]
        .sort((a, b) => Number(a.isDir) - Number(b.isDir))
        .map((entry) => [entry.name, fileStat(entry)]));
    return [...rows].sort(([a], [b]) => compareCodePoints(a, b)).map(([, row]) => row);
}
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