Function formatError

packages/angular/cli/src/utilities/json-file.ts:211–218

* Formats a JSON parsing error and throws an exception. * @param path The path to the file that failed to parse. * @param errors The list of parsing errors.

(path: string, errors: ParseError[])

 * @param errors The list of parsing errors.
 */
function formatError(path: string, errors: ParseError[]): never {
  const { error, offset } = errors[0];
  throw new Error(
    `Failed to parse "${path}" as JSON AST Object. ${printParseErrorCode(
      error,
    )} at location: ${offset}.`,
  );
}

/**
 * Parses a JSON string, supporting comments and trailing commas.