Function absoluteFrom

packages/compiler-cli/src/ngtsc/file_system/src/helpers.ts:25–30

(path: string)

 * Convert the path `path` to an `AbsoluteFsPath`, throwing an error if it's not an absolute path.
 */
export function absoluteFrom(path: string): AbsoluteFsPath {
  if (!fs.isRooted(path)) {
    throw new Error(`Internal Error: absoluteFrom(${path}): path is not absolute`);
  }
  return fs.resolve(path);
}

const ABSOLUTE_PATH = Symbol('AbsolutePath');