LibMount

Standalone FAT12, FAT16, FAT32, VFAT implementation in JavaScript

Installation

npm install libmount

API

function mount(img: Uint8Array, charmap?: string): LmDisk;

index.d.ts

Example

import { mount } from "libmount";
import { readFileSync } from "fs";
import { cp1251 } from "libmount/codecs/cp1251";

const file = readFileSync("./freedos722.img", { flag: "r" }, cp1251);
const disk = mount(new Uint8Array(file));
const fs = disk.getFileSystem();

if (fs === null) {
    console.error("FileSystem is not detected");
    process.exit(2);
}
fs.mkfile('/test/bar.txt').getAbsolutePath();
print(fs.getRoot());

console.log(`FileSystem: ${fs.getName()}`);
console.log(`VolumeInfo: ${JSON.stringify(fs.getVolumeInfo())}`);

function print(f) {
  console.log(f.getAbsolutePath());
  f.listFiles()?.forEach(print);
}

Commands

npm run build - lint, compile, test and bundle javascript source files to dist/libmount.min.mjs

npm run dev - start local http server