@struktoai/mirage-core/dist/core/dropbox/paths.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 { lookup } from "./api.js";
import { enoent } from "../../errors/fs.js";
import { rawPathOf } from "../../utils/key_prefix.js";
import { stripSlash } from "../../utils/slash.js";
/** Map a mount path to the Dropbox API path under the configured root. */
export function dropboxPathOf(accessor, path) {
    const key = stripSlash(rawPathOf(path));
    return key === '' ? accessor.rootPath : `${accessor.rootPath}/${key}`;
}
/**
 * Whether Dropbox answered for `path` with a name in another case.
 *
 * Dropbox matches a path case-insensitively, a listing does not: a file stored
 * as `N` is not `n`. An answer without a name proves nothing, and calling it
 * absent would let a write go out over a file that is there. Mirrors Python's
 * `spelled_otherwise`.
 */
export function spelledOtherwise(path, entry) {
    const key = stripSlash(path.vfsPath);
    const named = entry?.name;
    return typeof named === 'string' && named !== key.slice(key.lastIndexOf('/') + 1);
}
/** Validate existing components below the configured root, never accepting case aliases. */
export async function checkPath(accessor, path) {
    const key = stripSlash(rawPathOf(path));
    let at = accessor.rootPath;
    let entry = null;
    for (const part of key === '' ? [] : key.split('/')) {
        at = `${at}/${part}`;
        entry = await lookup(accessor.tokenManager, at);
        if (entry == null)
            return null;
        if (typeof entry.name === 'string' && entry.name !== part)
            throw enoent(path.virtual);
    }
    return entry;
}
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