fix progression.js index.js gcd.js calc.js

src/games/calc.js

@@ -26,7 +26,7 @@ const playCalc = () => {
   const operators = ['+', '-', '*'];
   const operator = operators[getRandomANumber(0, 3)];
   const question = `${numberOne} ${operator} ${numberTwo}`;
-  const answerCorrect = rightAnswer(numberOne, numberTwo, operator);
+  const answerCorrect = String(rightAnswer(numberOne, numberTwo, operator));
   return [question, answerCorrect];
 };
 const runCalcGame = () => {

src/games/gcd.js

@@ -21,7 +21,7 @@ const playMaxGeneralDivider = () => {
   const numberOne = getRandomANumber(0, 100);
   const numberTwo = getRandomANumber(0, 100);
   const question = `${numberOne} ${numberTwo}`;
-  const answerCorrect = getMaxDevidor(numberOne, numberTwo);
+  const answerCorrect = String(getMaxDevidor(numberOne, numberTwo));
   return [question, answerCorrect];
 };
 const runGcdGame = () => {

src/games/progression.js

@@ -2,26 +2,26 @@ import game from '../index.js';
 
 import getRandomANumber from '../utils.js';
 
-const getArray = () => {
-  const a = 5;
-  const b = 10;
-  const lengthArray = getRandomANumber(a, b);
+const getArray = (step, firstEl, countEl) => {
   const array = [];
-  const startNum = getRandomANumber(0, 100);
-  const step = Math.ceil(Math.random() * 10);
-  for (let i = 0; i < lengthArray; i += 1) {
-    const current = startNum + step * i;
+  for (let i = 0; i < countEl; i += 1) {
+    const current = firstEl + step * i;
     array.push(current);
   }
-  const indexMissing = getRandomANumber(0, lengthArray);
-  const missingElement = array[indexMissing];
-  array.splice(indexMissing, 1, '..');
-  return [array, missingElement];
+  return array;
 };
 
 const progression = () => {
-  const [expression, answerCorrect] = getArray();
-  const question = expression.join(' ');
+  const step = Math.ceil(Math.random() * 10);
+  const countEl = getRandomANumber(5, 10);
+  const firstEl = getRandomANumber(0, 100);
+  const array = getArray(step, firstEl, countEl);
+
+  const indexMissing = getRandomANumber(0, countEl);
+  const missingElement = array[indexMissing];
+  array.splice(indexMissing, 1, '..');
+  const answerCorrect = String(missingElement);
+  const question = array.join(' ');
   return [question, answerCorrect];
 };
 const runProgressionGame = () => {

src/index.js

@@ -9,7 +9,7 @@ const game = (playGame, condition) => {
     const [question, answerCorrect] = playGame();
     console.log(`Question: ${question}`);
     const answerUser = readlineSync.question('Your answer: ');
-    if (answerUser === String(answerCorrect)) {
+    if (answerUser === answerCorrect) {
       console.log('Correct!');
     } else {
       console.log(`'${answerUser}' is wrong answer ;(. Correct answer was '${answerCorrect}'.\nLet's try again, ${userName}!`);