Function operatorMessage

packages/jest-circus/src/formatNodeAssertErrors.ts:90–97

(operator: string | undefined)

};

const operatorMessage = (operator: string | undefined) => {
  const niceOperatorName = getOperatorName(operator, '');
  const humanReadableOperator = humanReadableOperators[niceOperatorName];

  return typeof operator === 'string'
    ? `${humanReadableOperator || niceOperatorName} to:\n`
    : '';
};

const assertThrowingMatcherHint = (operatorName: string) =>
  operatorName