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const { join } = require("path");const { ZipOpenFS, PosixFS } = require("@yarnpkg/fslib");const { getLibzipSync } = require("@yarnpkg/libzip");
const zipfs = new PosixFS(  new ZipOpenFS({    libzip: getLibzipSync(),    useCache: true,    maxOpenFiles: 80,  }),);
async function createReader(filePath) {  const fd = await zipfs.openPromise(filePath, "r");  return {    async read(p) {      const n = await zipfs.readPromise(fd, p, 0);      if (isNaN(n) || n == 0) {        await zipfs.closePromise(fd);        return null;      }      return n;    },  };}exports.createReader = createReader;
async function exists(filePath) {  return await zipfs.existsPromise(filePath);}exports.exists = exists;
async function readFile(filePath) {  return await zipfs.readFilePromise(filePath);}exports.readFile = readFile;
async function readTextFile(filePath) {  return await zipfs.readFilePromise(filePath, "utf8");}exports.readTextFile = readTextFile;
async function* walk(dir) {  for await (const d of await zipfs.opendirPromise(dir)) {    const entry = join(dir, d.name);    if (d.isDirectory()) yield* walk(entry);    if (d.isFile()) yield entry;  }}exports.walk = walk;