@struktoai/mirage-core/dist/core/google/entry.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 { ContentType, FileStat, FileType } from "../../types.js";
import { enoent } from "../../errors/fs.js";
import { GoogleApiError } from "./client.js";
/**
 * A native app file as its corpus listing names it and stat answers. The
 * size stays null: Drive reports the source document's storage size, not the
 * rendered JSON length (FileStat.size must be render-derived or null, see the
 * CLAUDE.md FUSE rules). The source size rides in `extra`. Mirrors Python's
 * `app_file`.
 */
export function appFile(name, item) {
    const modified = item.modifiedTime !== undefined && item.modifiedTime !== '' ? item.modifiedTime : null;
    const extra = { doc_id: item.id, doc_name: item.name };
    const sourceSize = Number.parseInt(item.size ?? item.quotaBytesUsed ?? '0', 10);
    if (Number.isFinite(sourceSize) && sourceSize > 0)
        extra.source_size = sourceSize;
    return new FileStat({
        name,
        type: FileType.FILE,
        content: ContentType.JSON,
        modified,
        fingerprint: modified,
        extra,
    });
}
/**
 * Resolve a native app file by the id in its name, without an account-wide
 * search: a path no listing has named is fetched alone. Mirrors Python's
 * `resolve_app_entry`.
 */
export async function resolveAppEntry(drive, match, path, mime, filename) {
    const fileId = match.slots.file_id;
    if (fileId === undefined)
        throw enoent(path.virtual);
    let item;
    try {
        item = await drive.getFile(fileId);
    }
    catch (err) {
        if (!(err instanceof GoogleApiError) || err.status !== 404)
            throw err;
        throw enoent(path.virtual);
    }
    const name = filename(item.name, item.id, item.modifiedTime ?? '');
    const owned = item.owners?.[0]?.me === true;
    if (item.trashed === true ||
        item.mimeType !== mime ||
        owned !== (match.slots.corpus === 'owned') ||
        name !== path.vfsPath.split('/').at(-1)) {
        throw enoent(path.virtual);
    }
    return appFile(name, item);
}
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