example.js

import Fuse, { ENOENT } from "./";

const directory = 0o40000;
const regularFile = 0o100000;

const ops = {
    readdir: function (path, cb) {
        console.log("readdir(%s)", path);
        if (path === "/")
            return process.nextTick(
                cb,
                0,
                ["test"],
                [
                    {
                        mtime: new Date(),
                        atime: new Date(),
                        ctime: new Date(),
                        nlink: 1,
                        size: 12,
                        mode: regularFile | 0o777,
                        uid: process.getuid ? process.getuid() : 0,
                        gid: process.getgid ? process.getgid() : 0,
                    },
                ]
            );
        return process.nextTick(cb, 0);
    },
    /*
  access: function (path, cb) {
    return process.nextTick(cb, 0)
  },
  */
    getattr: function (path, cb) {
        console.log("getattr(%s)", path);
        if (path === "/") {
            return process.nextTick(cb, 0, {
                mtime: new Date(),
                atime: new Date(),
                ctime: new Date(),
                nlink: 1,
                size: 100,
                mode: directory | 0o777,
                uid: process.getuid ? process.getuid() : 0,
                gid: process.getgid ? process.getgid() : 0,
            });
        }

        if (path === "/test") {
            return process.nextTick(cb, 0, {
                mtime: new Date(),
                atime: new Date(),
                ctime: new Date(),
                nlink: 1,
                size: 12,
                mode: regularFile | 0o777,
                uid: process.getuid ? process.getuid() : 0,
                gid: process.getgid ? process.getgid() : 0,
            });
        }

        return process.nextTick(cb, ENOENT);
    },
    open: function (path, flags, cb) {
        console.log("open(%s, %d)", path, flags);
        return process.nextTick(cb, 0, 42); // 42 is an fd
    },
    read: function (path, fd, buf, len, pos, cb) {
        console.log("read(%s, %d, %d, %d)", path, fd, len, pos);
        var str = "hello world\n".slice(pos);
        if (!str) return process.nextTick(cb, 0);
        buf.write(str);
        return process.nextTick(cb, str.length);
    },
};

// Examples:

// Mount as drive letter on Windows.
// const fuse = new Fuse("M:", ops, { debug: true, displayFolder: true, volname: "Test Drive" });

// Mount as path on Windows (folder must not exist).
// const fuse = new Fuse("C:\\Test\\Drive", ops, { debug: true, displayFolder: true, volname: "Test Drive" });

// Mount as path on POSIX systems.
const fuse = new Fuse("./mnt", ops, { debug: true, displayFolder: true });

fuse.mount((err) => {
    if (err) throw err;
    console.log("filesystem mounted on " + fuse.mnt);
});

process.once("SIGINT", function () {
    fuse.unmount((err) => {
        if (err) {
            console.log("filesystem at " + fuse.mnt + " not unmounted", err);
        } else {
            console.log("filesystem at " + fuse.mnt + " unmounted");
        }
    });
});