Method openSync

packages/dofs/src/provider.ts:141–172

(path: string, flags: string = "r", _mode?: number)

  }

  openSync(path: string, flags: string = "r", _mode?: number): number {
    const { read, write, truncate, append, create, exclusive } = parseFlags(flags);
    const existing = resolveInode(this.db, path);

    if (existing === null) {
      if (!create) {
        throw createWorkspaceError("ENOENT", `no such file: ${path}`, path);
      }
      writeFileSyncImpl(this.db, path, new Uint8Array(), {}, this.now);
    } else {
      if (existing.type !== "file") {
        throw createWorkspaceError("EISDIR", `path is a directory: ${path}`, path);
      }
      if (exclusive) {
        throw createWorkspaceError("EEXIST", `path exists: ${path}`, path);
      }
      if (truncate) {
        writeFileSyncImpl(this.db, path, new Uint8Array(), {}, this.now);
      }
    }

    const stat = statImpl(this.db, path);
    const fd = this.#nextFd++;
    this.#fds.set(fd, {
      path,
      position: append ? stat.size : 0,
      readable: read,
      writable: write,
      append,
    });
    return fd;
  }

  stat(path: string, options?: { bigint?: boolean }): Promise<VirtualStatsLike> {
    return Promise.resolve(this.statSync(path, options));