add void func

Author: xenikopa

choose-script.js

@@ -9,7 +9,7 @@ const colorCyan = "\x1b[36m%s\x1b[0m";
 const colorPurple = "\x1b[35m%s\x1b[0m";
 const colorRed = "\x1b[31m%s\x1b[0m";
 
-(function(){
+void function(){
     let messageEmptyDir = () => {
         console.log(colorRed, 'Sorry, there are no scripts in "scripts" directory.')
         console.log(colorCyan, 'Change it and create first script on javascript in "scripts" dir!');
@@ -30,11 +30,12 @@ const colorRed = "\x1b[31m%s\x1b[0m";
             jsFiles.forEach((file, index) => {
                 console.log(colorCyan, `[${index}]: ${file}`); 
             });
+            console.log(colorRed, `[!]: exit`)
 
             execScript(jsFiles);
         }
     });
-})();
+}();
 
 /**
  * Execute choosen script
@@ -67,6 +68,10 @@ let execScript = (files) => {
         }
 
         rl.question('What do you want to exec? Write index of script: ', (answer) => {
+            if (answer === '!') {
+                rl.close();
+                return;
+            }
             if (isValidIndex(answer)) {
                 rl.close();
                 tryExecute(files[answer]);

scripts/compare.js

@@ -4,12 +4,12 @@
  * “Каким будет результат этих выражений?”
  * Excerpt From: Ilya Kantor. “Язык программирования JavaScript”. Apple Books. 
  */
-(function(){
+void function(){
     console.log(5 > 4); //true
     console.log("ананас" > "яблоко");  //false
     console.log("2" > "12");  //false => wrong => true
     console.log(undefined == null);  //true
     console.log(undefined === null); //false
     console.log(null == "\n0\n");  //false
     console.log(null === +"\n0\n"); //false
-})()
+}()

scripts/if-testing.js

@@ -98,9 +98,9 @@ let rewriteFunctions = function() {
 };
 
 
-(function(){
+void function(){
     ask('Какое «официальное» название JavaScript?', validateJsName)
         .then(x => console.log(x))
         .then(() => ask('Write any number', getNumberSign))
         .then(x => console.log(x))
-})();
+}();

scripts/read-user-input.js

@@ -4,7 +4,7 @@
 * “Создайте страницу, которая спрашивает имя у пользователя и выводит его.”
 * Excerpt From: Ilya Kantor. “Язык программирования JavaScript”. Apple Books. 
 */
-(function() {
+void function() {
     let rl = require('readline');
     let r = rl.createInterface({
         input: process.stdin,
@@ -14,4 +14,4 @@
         r.close();
         console.log('> Welcome, ' + answer);
     });
-})()
+}()

scripts/work-with-vars.js

@@ -9,12 +9,12 @@
  * Excerpt From: Ilya Kantor. “Язык программирования JavaScript”. Apple Books. 
  */
 
-(function() {
+void function() {
     let admin;
     let name;
 
     name = 'John';
     admin = name;
 
     console.log(admin);
-})()
+}()