@struktoai/mirage-core
Version:
A Unified Virtual Filesystem For AI Agents
31 lines • 1.39 kB
JavaScript
// ========= 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. =========
/**
* Encode one fd_readdir entry; d_next and d_ino are the entry's index + 1.
*
* @param index - zero-based position of the entry in the listing.
* @param name - the entry's name, already encoded.
* @param filetype - preview1 filetype, FT_UNKNOWN when not known.
*/
export function packDirent(index, name, filetype) {
const record = new Uint8Array(24 + name.byteLength);
const view = new DataView(record.buffer);
view.setBigUint64(0, BigInt(index + 1), true);
view.setBigUint64(8, BigInt(index + 1), true);
view.setUint32(16, name.byteLength, true);
view.setUint8(20, filetype);
record.set(name, 24);
return record;
}
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