refactor: use lodash random

package.json

@@ -19,6 +19,7 @@
   "license": "ISC",
   "dependencies": {
     "@eslint/eslintrc": "^3.1.0",
+    "lodash": "^4.17.21",
     "readline-sync": "^1.4.10"
   },
   "devDependencies": {

src/games/GCDGame.js

@@ -1,9 +1,11 @@
+import _ from 'lodash';
+
 import { askQuestion, getAnswer, getResponseAfterRound } from '../cli.js';
 import { findGCD } from '../utils/index.js';
 
 export default () => {
-  const a = Math.round(Math.random() * 100);
-  const b = Math.round(Math.random() * 100);
+  const a = _.random(1, 100);
+  const b = _.random(1, 100);
 
   askQuestion(`${a} ${b}`);
 

src/games/calcGame.js

@@ -1,12 +1,14 @@
+import _ from 'lodash';
+
 import { askQuestion, getAnswer, getResponseAfterRound } from '../cli.js';
 
 const operators = ['+', '-', '*'];
 
 export default () => {
-  const a = Math.round(Math.random() * 10);
-  const b = Math.round(Math.random() * 10);
+  const a = _.random(0, 10);
+  const b = _.random(0, 10);
 
-  const operator = operators[Math.floor(Math.random() * operators.length)];
+  const operator = operators[_.random(0, operators.length - 1)];
   const expression = `${a} ${operator} ${b}`;
 
   askQuestion(expression);

src/games/evenGame.js

@@ -1,9 +1,11 @@
+import _ from 'lodash';
+
 import { BOOLEAN_TO_ANSWER_MAP } from '../constants/index.js';
 import { askQuestion, getAnswer, getResponseAfterRound } from '../cli.js';
 import { isEven } from '../utils/index.js';
 
 export default () => {
-  const num = Math.round(Math.random() * 1000);
+  const num = _.random(1, 1000);
 
   askQuestion(num);
 

src/games/primeGame.js

@@ -1,9 +1,11 @@
+import _ from 'lodash';
+
 import { askQuestion, getAnswer, getResponseAfterRound } from '../cli.js';
 import { isPrime } from '../utils/index.js';
 import { BOOLEAN_TO_ANSWER_MAP } from '../constants/index.js';
 
 export default () => {
-  const num = Math.round(Math.random() * 1000);
+  const num = _.random(1, 1000);
 
   askQuestion(num);
 

src/games/progressionGame.js

@@ -1,12 +1,14 @@
+import _ from 'lodash';
+
 import { askQuestion, getAnswer, getResponseAfterRound } from '../cli.js';
 
 export default () => {
-  const start = Math.round(Math.random() * 30);
-  const step = Math.round(Math.random() * 20);
+  const start = _.random(0, 30);
+  const step = _.random(1, 20);
   const length = 10;
 
   const progression = Array(length).fill(start).map((value, index) => start + index * step);
-  const targetIndex = Math.floor(Math.random() * length);
+  const targetIndex = _.random(0, length - 1);
   const copyProgression = [...progression];
 
   copyProgression[targetIndex] = '..';