Change the structure of the application

run.sh

@@ -4,7 +4,7 @@ notInstalled="nodejs is not installed."
 
 if [ -x "$(command -v node)" ]; 
 then 
-    node main.js
+    node ./src/main.js
 else
     echo $notInstalled
     exit 1

src/helpers.js

@@ -0,0 +1,15 @@
+const { spawn } = require('child_process');
+
+const installDependencies = () => new Promise((resolve, reject) => {
+    const npm = spawn('npm', ['i']);
+    npm.on('error', reject);
+    npm.on('close', resolve);
+});
+
+const unpackSkypeApplication = () => new Promise((resolve, reject) => {
+    const npm = spawn('npm', ['run', 'extract']);
+    npm.stdout.on('error', reject);
+    npm.stdout.on('close', resolve);
+});
+
+module.exports = { installDependencies, unpackSkypeApplication };

src/main.js

@@ -0,0 +1,27 @@
+const fs = require('fs');
+const paths = require('./paths.json');
+
+const {
+    unpackSkypeApplication,
+    installDependencies
+} = require('./helpers');
+
+const main = async () => {
+    const isExist = path => fs.existsSync(path);
+    const pathToSkype = paths.skype;
+
+    if (isExist(pathToSkype)) {
+
+        console.log('Installing dependencies...');
+        await installDependencies();
+        console.log('The installation is complete!\n----');
+
+        console.log('Unpacking skype packages...');
+        await unpackSkypeApplication();
+        console.log('Unpacking is complete!');
+    } else {
+        throw new Error("'Skype for linux' applicaton does not exist");
+    }
+}
+
+main();