src/games/calc.js
import { roundsCount, engine } from '../engine';
import random from '../addition/random';
const operations = ['+', '-', '*'];
const taskGame = 'What is the result of the expression?';
const maxValueRandom = 10;
const minValueRandom = 0;
export default () => {
const gameData = [];
for (let i = 0; i < roundsCount; i += 1) {
const indexOperation = random(0, operations.length - 1);
const a = random(minValueRandom, maxValueRandom);
const b = random(minValueRandom, maxValueRandom);
const question = `${a} ${operations[indexOperation]} ${b}`;
let answer;
switch (operations[indexOperation]) {
case '+':
answer = a + b;
break;
case '-':
answer = a - b;
break;
default:
answer = a * b;
break;
}
gameData[i] = [question, answer.toString()];
}
engine(taskGame, gameData);
};