src/games/prime.js
import playGame from '..';
import getRandomNumber from '../utils';
const gameDescription = 'Answer "yes" if given number is prime. Otherwise answer "no".';
const isPrime = (number) => {
if (number <= 1) {
return false;
}
if (number === 2 || number === 3) {
return true;
}
for (let divider = 2; divider * divider <= number; divider += 1) {
if (number % divider === 0) {
return false;
}
}
return true;
};
const generateGameData = () => {
const question = getRandomNumber(1, 100);
const correctAnswer = isPrime(question) ? 'yes' : 'no';
return { question, correctAnswer };
};
export default () => playGame(gameDescription, generateGameData);