8. not a working version progression.js

Author: WisdomQuest

bin/brain-progression.js

@@ -0,0 +1,6 @@
+#!/usr/bin/env node
+import { welcomeUser } from '../src/games/cli.js';
+import actionGame from '../src/games/progression.js';
+
+welcomeUser();
+actionGame();

package.json

@@ -22,7 +22,8 @@
     "brain-games": "bin/brain-games.js",
     "brain-even": "bin/brain-even.js",
     "brain-calc": "bin/brain-calc.js",
-    "brain-gcd": "bin/brain-gcd.js"
+    "brain-gcd": "bin/brain-gcd.js",
+    "brain-progression": "bin/brain-progression.js"
   },
   "dependencies": {
     "lodash": "^4.17.21",

src/games/progression.js

@@ -0,0 +1,26 @@
+import roundGame from '../index.js';
+import randomNumber from '../utilRandomNumber.js';
+
+const descriptionGame = 'What number is missing in the progression?';
+
+const actionGame = () => {
+  const progression = [];
+  for (let i = 0; i < 10; i += 1) {
+    progression.push(randomNumber());
+  }
+  const arithmeticProgression = progression.sort((a, b) => a - b);
+  const hiddenNum = randomNumber(10);
+  const correctAnswer = arithmeticProgression[hiddenNum];
+  arithmeticProgression[hiddenNum] = '..';
+  let question = '';
+  arithmeticProgression.forEach((element) => {
+    question += `${element} `;
+  });
+  return [question, String(correctAnswer)];
+};
+
+const progressionGame = () => {
+  console.log(descriptionGame);
+  roundGame(actionGame);
+};
+export default progressionGame;