@struktoai/mirage-core/dist/core/msgraph/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 { enoent } from "../../errors/fs.js";
import { stripSlash } from "../../utils/slash.js";
import { GraphError, graphGet } from "./client.js";
/** Validate caller-controlled drive components; configured root components are infrastructure. */
export async function checkItem(config, loc, virtual, params) {
    const parts = stripSlash(loc.path) === '' ? [] : stripSlash(loc.path).split('/');
    const visible = stripSlash(loc.virtual) === '' ? [] : stripSlash(loc.virtual).split('/');
    const start = Math.max(0, parts.length - visible.length);
    let entry = null;
    for (let i = start; i < parts.length; i++) {
        try {
            entry = await graphGet(config, loc.itemAt(parts.slice(0, i + 1).join('/')), i === parts.length - 1 ? params : undefined);
        }
        catch (err) {
            if (err instanceof GraphError && err.status === 404)
                return null;
            throw err;
        }
        if (typeof entry.name === 'string' && entry.name !== parts[i]) {
            throw enoent(virtual ?? '/' + stripSlash(loc.virtual));
        }
    }
    return entry;
}
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