whole_func_string: async function cleanDeps() {
    if (await exists(depsPath)) {
      await rimrafPromise(depsPath);
    }
    await mkdir(depsPath);
  }
func_code_string: async function cleanDeps() {
    if (await exists(depsPath)) {
      await rimrafPromise(depsPath);
    }
    await mkdir(depsPath);
  }
func_documentation_string: Deletes the deps directory if it exists, and creates a fresh deps folder.