Function handleError

packages/expect/src/index.ts:353–365

(error: Error)

    };

    const handleError = (error: Error) => {
      if (
        matcher[INTERNAL_MATCHER_FLAG] === true &&
        !(error instanceof JestAssertionError) &&
        error.name !== 'PrettyFormatPluginError' &&
        // Guard for some environments (browsers) that do not support this feature.
        Error.captureStackTrace
      ) {
        // Try to remove this and deeper functions from the stack trace frame.
        Error.captureStackTrace(error, throwingMatcher);
      }
      throw error;
    };

    let potentialResult: ExpectationResult;