Function buildEqualErrorMessage

expect/_build_message.ts:27–48

(
  actual: T,
  expected: T,
  options: EqualErrorMessageOptions = {},
)

}

export function buildEqualErrorMessage<T>(
  actual: T,
  expected: T,
  options: EqualErrorMessageOptions = {},
): string {
  const { formatter = format, msg, summary = "Values are not equal." } =
    options;
  const msgPrefix = msg ? `${msg}: ` : "";
  const actualString = formatter(actual);
  const expectedString = formatter(expected);

  let message = `${msgPrefix}${summary}`;

  const stringDiff = isString(actual) && isString(expected);
  const diffResult = stringDiff
    ? diffStr(actual, expected)
    : diff(actualString.split("\n"), expectedString.split("\n"));
  const diffMsg = buildMessage(diffResult, { stringDiff }).join("\n");
  message = `${message}\n${diffMsg}`;

  return message;
}

export function buildNotEqualErrorMessage<T>(
  actual: T,