Function makeDefaultFs

src/shell/fs.ts:57–127

()

};

export function makeDefaultFs(): Fs {
  return {
    async mkdir(path, options) {
      await fs.promises.mkdir(path, options);
    },
    pathExists,
    readFile(path) {
      return fs.promises.readFile(path, "utf-8");
    },
    async rm(path, options) {
      await fs.promises.rm(path, options);
    },
    stat(path) {
      return fs.promises.stat(path);
    },
    async unlink(path) {
      await fs.promises.unlink(path);
    },
    async writeFile(path, data, options) {
      if (typeof data === "string") {
        await fs.promises.writeFile(path, data, {
          encoding: "utf8",
          mode: options?.mode,
        });
      } else {
        await fs.promises.writeFile(path, data, options ?? undefined);
      }
    },
    readdir(path) {
      return fs.promises.readdir(path);
    },
    readdirWithTypes(path) {
      // fs.promises.readdir returns Dirent[]; cast satisfies Fs's FsDirent[] return
      return fs.promises.readdir(path, {
        withFileTypes: true,
      }) as Promise<FsDirent[]>;
    },
    rename(oldPath, newPath) {
      return fs.promises.rename(oldPath, newPath);
    },
    utimes(path, atime, mtime) {
      return fs.promises.utimes(path, atime, mtime);
    },
    createReadStream(path) {
      // Pre-check so missing-file throws synchronously, matching makeMemoryFs contract
      if (!fs.existsSync(path)) {
        const err = Object.assign(
          new Error(`ENOENT: no such file or directory, open '${path}'`),
          { code: "ENOENT", errno: -2 },
        );
        throw err;
      }
      return fs.createReadStream(path);
    },
    async copyFile(source, destination) {
      await fs.promises.copyFile(source, destination);
    },
    existsSync(path) {