@struktoai/mirage-core/dist/vfs/bin/bin.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 { BinAccessor } from "../../accessor/bin.js";
import { read as binRead } from "../../core/bin/read.js";
import { readdir as binReaddir } from "../../core/bin/readdir.js";
import { refuse } from "../../core/bin/refuse.js";
import { stat as binStat } from "../../core/bin/stat.js";
import { VFSName } from "../../types.js";
import { BaseVFS } from "../base.js";
import {} from "../types.js";
/**
 * Read-only view VFS backing the /usr/bin mount. Lists one executable
 * file per program, rendered from the workspace's command lookup on every
 * call; holds no storage of its own.
 */
export class BinViewVFS extends BaseVFS {
    name = VFSName.BIN;
    cachesReads = false;
    // A stub's size is its rendering: cheap, no network, never null.
    sizesAlwaysKnown = true;
    accessor;
    constructor(programs, note) {
        super();
        this.accessor = new BinAccessor(programs, note);
    }
    readdir(path) {
        return binReaddir(this.accessor, path);
    }
    async read(path) {
        return binRead(this.accessor, path);
    }
    stat(path) {
        return binStat(this.accessor, path);
    }
    // Every write is its own refusal instead of a missing function, which
    // would answer "Operation not supported" where a read-only directory says
    // EROFS.
    write(path) {
        return refuse(this.accessor, path);
    }
    append(path) {
        return refuse(this.accessor, path);
    }
    pwrite(path) {
        return refuse(this.accessor, path);
    }
    create(path) {
        return refuse(this.accessor, path);
    }
    mkdir(path) {
        return refuse(this.accessor, path);
    }
    unlink(path) {
        return refuse(this.accessor, path);
    }
    rmdir(path) {
        return refuse(this.accessor, path);
    }
    rename(src) {
        return refuse(this.accessor, src);
    }
    truncate(path) {
        return refuse(this.accessor, path);
    }
    setattr(path, _fields) {
        return refuse(this.accessor, path);
    }
    /** The view owns nothing, so its type alone rebuilds it. */
    getState() {
        return { type: this.name };
    }
}
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