src/games/calc.js
import startGame from '..';
import getRandomInt from '../utils';
const description = 'What is the result of the expression?';
const min = 1;
const max = 20;
const operations = [
{
sign: '+',
calculate: (a, b) => a + b,
},
{
sign: '-',
calculate: (a, b) => a - b,
},
{
sign: '*',
calculate: (a, b) => a * b,
},
];
const makeTest = () => {
const a = getRandomInt(min, max);
const b = getRandomInt(min, max);
const operationId = getRandomInt(0, operations.length - 1);
const question = `${a} ${operations[operationId].sign} ${b}`;
const answer = `${operations[operationId].calculate(a, b)}`;
return { question, answer };
};
export default () => {
startGame(description, makeTest);
};