@struktoai/mirage-core/dist/core/tidb_filesystem/write.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 { ByteSpool } from "../../io/spool.js";
import { record, startOp } from "../../observe/context.js";
import { VFSName } from "../../types.js";
import { ancestors, norm } from "../../utils/path.js";
import { upload } from "./client.js";
import { checkWriteTarget, kindsOf } from "./dest.js";
import { backendPath } from "./path.js";
/**
 * Replace a file's bytes once one fs:batch-stat has found its parent chain
 * all directories and the path itself no directory, since drive9 would make
 * the parents and file the bytes beside a directory. A stream is spooled
 * first, as a multipart upload states its size.
 */
export async function write(accessor, path, data) {
    if (!(data instanceof Uint8Array) && !(data instanceof ByteSpool)) {
        const spool = new ByteSpool();
        try {
            await spool.fill(data);
            await write(accessor, path, spool);
        }
        finally {
            await spool.close();
        }
        return;
    }
    const key = norm(path.mountPath);
    const timer = startOp();
    const kinds = await kindsOf(accessor, [...ancestors(key), key]);
    checkWriteTarget(kinds, path, key);
    await upload(accessor, backendPath(accessor.config, path), data);
    const size = data instanceof ByteSpool ? data.size : data.byteLength;
    record('write', path.virtual, VFSName.TIDB_FILESYSTEM, size, timer);
}
//# sourceMappingURL=write.js.map