Function _throwError

packages/forms/src/directives/shared.ts:342–345

(dir: AbstractControlDirective, message: string)

}

function _throwError(dir: AbstractControlDirective, message: string): void {
  const messageEnd = _describeControlLocation(dir);
  throw new Error(`${message} ${messageEnd}`);
}

function _describeControlLocation(dir: AbstractControlDirective): string {
  const path = dir.path;