@struktoai/mirage-core/dist/core/ram/set_attrs.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 { norm } from "../../utils/path.js";
import { lookupError } from "./dest.js";
// Write metadata fields on an existing entry (the write side of stat).
// Only present fields are written. Stored, not enforced: mount mode does
// real access control. Returns the residual (always empty; every field
// applies natively).
export function setAttrs(accessor, path, fields) {
    const store = accessor.store;
    const p = norm(path.mountPath);
    if (!store.files.has(p) && !store.dirs.has(p)) {
        throw lookupError(accessor, path, p);
    }
    const entry = store.attrs.get(p) ?? {};
    if (fields.mode !== undefined)
        entry.mode = fields.mode;
    if (fields.uid !== undefined)
        entry.uid = fields.uid;
    if (fields.gid !== undefined)
        entry.gid = fields.gid;
    if (fields.atime !== undefined)
        entry.atime = fields.atime;
    store.attrs.set(p, entry);
    if (fields.mtime !== undefined)
        store.modified.set(p, fields.mtime);
    return Promise.resolve({});
}
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