Function toThrowExpectedClass

packages/expect/src/toThrowMatchers.ts:287–339

(
  matcherName: string,
  options: MatcherHintOptions,
  thrown: Thrown | null,
  expected: Function,
)

};

const toThrowExpectedClass = (
  matcherName: string,
  options: MatcherHintOptions,
  thrown: Thrown | null,
  expected: Function,
): SyncExpectationResult => {
  const pass = thrown !== null && thrown.value instanceof expected;

  const message = pass
    ? () =>
        // eslint-disable-next-line prefer-template
        matcherHint(matcherName, undefined, undefined, options) +
        '\n\n' +
        printExpectedConstructorNameNot('Expected constructor', expected) +
        (thrown !== null &&
        thrown.value != null &&
        typeof thrown.value.constructor === 'function' &&
        thrown.value.constructor !== expected
          ? printReceivedConstructorNameNot(
              'Received constructor',
              thrown.value.constructor,
              expected,
            )
          : '') +
        '\n' +
        (thrown !== null && thrown.hasMessage
          ? formatReceived('Received message: ', thrown, 'message') +
            formatStack(thrown)
          : formatReceived('Received value: ', thrown, 'value'))
    : () =>
        // eslint-disable-next-line prefer-template
        matcherHint(matcherName, undefined, undefined, options) +
        '\n\n' +
        printExpectedConstructorName('Expected constructor', expected) +
        (thrown === null
          ? `\n${DID_NOT_THROW}`
          : `${
              thrown.value != null &&
              typeof thrown.value.constructor === 'function'
                ? printReceivedConstructorName(
                    'Received constructor',
                    thrown.value.constructor,
                  )
                : ''
            }\n${
              thrown.hasMessage
                ? formatReceived('Received message: ', thrown, 'message') +
                  formatStack(thrown)
                : formatReceived('Received value: ', thrown, 'value')
            }`);

  return {message, pass};
};

const toThrowExpectedString = (
  matcherName: string,